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Moura</title> <meta name="description" content="Search results for: Rodrigo Moura"> <meta name="keywords" content="Rodrigo Moura"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Rodrigo Moura"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 128</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Rodrigo Moura</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">128</span> Preparation on Sentimental Analysis on Social Media Comments with Bidirectional Long Short-Term Memory Gated Recurrent Unit and Model Glove in Portuguese</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leonardo%20Alfredo%20Mendoza">Leonardo Alfredo Mendoza</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristian%20Munoz"> Cristian Munoz</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20Aurelio%20Pacheco"> Marco Aurelio Pacheco</a>, <a href="https://publications.waset.org/abstracts/search?q=Manoela%20Kohler"> Manoela Kohler</a>, <a href="https://publications.waset.org/abstracts/search?q=Evelyn%20%20Batista"> Evelyn Batista</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Moura"> Rodrigo Moura</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Natural Language Processing (NLP) techniques are increasingly more powerful to be able to interpret the feelings and reactions of a person to a product or service. Sentiment analysis has become a fundamental tool for this interpretation but has few applications in languages other than English. This paper presents a classification of sentiment analysis in Portuguese with a base of comments from social networks in Portuguese. A word embedding's representation was used with a 50-Dimension GloVe pre-trained model, generated through a corpus completely in Portuguese. To generate this classification, the bidirectional long short-term memory and bidirectional Gated Recurrent Unit (GRU) models are used, reaching results of 99.1%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=natural%20processing%20language" title="natural processing language">natural processing language</a>, <a href="https://publications.waset.org/abstracts/search?q=sentiment%20analysis" title=" sentiment analysis"> sentiment analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=bidirectional%20long%20short-term%20memory" title=" bidirectional long short-term memory"> bidirectional long short-term memory</a>, <a href="https://publications.waset.org/abstracts/search?q=BI-LSTM" title=" BI-LSTM"> BI-LSTM</a>, <a href="https://publications.waset.org/abstracts/search?q=gated%20recurrent%20unit" title=" gated recurrent unit"> gated recurrent unit</a>, <a href="https://publications.waset.org/abstracts/search?q=GRU" title=" GRU"> GRU</a> </p> <a href="https://publications.waset.org/abstracts/131061/preparation-on-sentimental-analysis-on-social-media-comments-with-bidirectional-long-short-term-memory-gated-recurrent-unit-and-model-glove-in-portuguese" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131061.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">159</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">127</span> Opinions of Individuals from Different Age and Income Brackets on the Duterte Administration's Overall Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jose%20Carlos%20Montemayor">Jose Carlos Montemayor</a>, <a href="https://publications.waset.org/abstracts/search?q=Kendrick%20Thomas%20Angelo%20Santos"> Kendrick Thomas Angelo Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Filipinos have been divided on President Rodrigo Duterte’s leadership ever since his election in 2016. This study aimed to gain a thorough, in-depth understanding of the opinions of Filipinos from different age and income brackets on these issues in order to address the lack of studies analysing the current Philippine political landscape. An interview tackling relevant national issues were conducted with twelve respondents from the intersections of four age groups and three income brackets. The government’s handling of some issues received mixed opinions, some had neutral viewpoints, while others had more unfavorable ones. The responses differed on three levels: (1) the general stance on an issue; (2) the strength of a stance; and (3) the factoring in of an issue in forming an overall perception on the administration’s performance. Contrary to previous studies on political thought, opinions varied greatly such that no unique set of viewpoints could be attributed to any of the defined age or income groups. These results will be most useful to political science researchers, political analysts, and candidates shaping their platforms for the upcoming elections. Future studies are recommended to tackle more national issues and to consider other factors that may affect political opinions and behavior. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=age%20groups" title="age groups">age groups</a>, <a href="https://publications.waset.org/abstracts/search?q=opinion%20formation" title=" opinion formation"> opinion formation</a>, <a href="https://publications.waset.org/abstracts/search?q=socioeconomic%20brackets" title=" socioeconomic brackets"> socioeconomic brackets</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippine%20politics" title=" Philippine politics"> Philippine politics</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Duterte" title=" Rodrigo Duterte"> Rodrigo Duterte</a> </p> <a href="https://publications.waset.org/abstracts/111060/opinions-of-individuals-from-different-age-and-income-brackets-on-the-duterte-administrations-overall-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111060.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">126</span> Educase–Intelligent System for Pedagogical Advising Using Case-Based Reasoning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elionai%20Moura">Elionai Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20A.%20Cunha"> José A. Cunha</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9sar%20Analide"> César Analide</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work introduces a proposal scheme for an Intelligent System applied to Pedagogical Advising using Case-Based Reasoning, to find consolidated solutions before used for the new problems, making easier the task of advising students to the pedagogical staff. We do intend, through this work, introduce the motivation behind the choices for this system structure, justifying the development of an incremental and smart web system who learns bests solutions for new cases when it’s used, showing technics and technology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=case-based%20reasoning" title="case-based reasoning">case-based reasoning</a>, <a href="https://publications.waset.org/abstracts/search?q=pedagogical%20advising" title=" pedagogical advising"> pedagogical advising</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20data-mining%20%28EDM%29" title=" educational data-mining (EDM)"> educational data-mining (EDM)</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a> </p> <a href="https://publications.waset.org/abstracts/27352/educase-intelligent-system-for-pedagogical-advising-using-case-based-reasoning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27352.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">420</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">125</span> Computational Tool for Surface Electromyography Analysis; an Easy Way for Non-Engineers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fabiano%20Araujo%20Soares">Fabiano Araujo Soares</a>, <a href="https://publications.waset.org/abstracts/search?q=Sauro%20Emerick%20Salomoni"> Sauro Emerick Salomoni</a>, <a href="https://publications.waset.org/abstracts/search?q=Joao%20Paulo%20Lima%20da%20Silva"> Joao Paulo Lima da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Luiz%20Moura"> Igor Luiz Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Adson%20Ferreira%20da%20Rocha"> Adson Ferreira da Rocha </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a tool developed in the Matlab platform. It was developed to simplify the analysis of surface electromyography signals (S-EMG) in a way accessible to users that are not familiarized with signal processing procedures. The tool receives data by commands in window fields and generates results as graphics and excel tables. The underlying math of each S-EMG estimator is presented. Setup window and result graphics are presented. The tool was presented to four non-engineer users and all of them managed to appropriately use it after a 5 minutes instruction period. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=S-EMG%20estimators" title="S-EMG estimators">S-EMG estimators</a>, <a href="https://publications.waset.org/abstracts/search?q=electromyography" title=" electromyography"> electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20electromyography" title=" surface electromyography"> surface electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=ARV" title=" ARV"> ARV</a>, <a href="https://publications.waset.org/abstracts/search?q=RMS" title=" RMS"> RMS</a>, <a href="https://publications.waset.org/abstracts/search?q=MDF" title=" MDF"> MDF</a>, <a href="https://publications.waset.org/abstracts/search?q=MNF" title=" MNF"> MNF</a>, <a href="https://publications.waset.org/abstracts/search?q=CV" title=" CV"> CV</a> </p> <a href="https://publications.waset.org/abstracts/33667/computational-tool-for-surface-electromyography-analysis-an-easy-way-for-non-engineers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33667.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">558</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">124</span> Low Cost Surface Electromyographic Signal Amplifier Based on Arduino Microcontroller</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Luiz%20Bernardes%20de%20Moura">Igor Luiz Bernardes de Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Luan%20Carlos%20de%20Sena%20Monteiro%20Ozelim"> Luan Carlos de Sena Monteiro Ozelim</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabiano%20Araujo%20Soares"> Fabiano Araujo Soares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of a low cost acquisition system of S-EMG signals which are reliable, comfortable for the user and with high mobility shows to be a relevant proposition in modern biomedical engineering scenario. In the study, the sampling capacity of the Arduino microcontroller Atmel Atmega328 with an A/D converter with 10-bit resolution and its reconstructing capability of a signal of surface electromyography are analyzed. An electronic circuit to capture the signal through two differential channels was designed, signals from Biceps Brachialis of a healthy man of 21 years was acquired to test the system prototype. ARV, MDF, MNF and RMS estimators were used to compare de acquired signals with physiological values. The Arduino was configured with a sampling frequency of 1.5 kHz for each channel, and the tests with the circuit designed offered a SNR of 20.57dB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromyography" title="electromyography">electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=Arduino" title=" Arduino"> Arduino</a>, <a href="https://publications.waset.org/abstracts/search?q=low-cost" title=" low-cost"> low-cost</a>, <a href="https://publications.waset.org/abstracts/search?q=atmel%20atmega328%20microcontroller" title=" atmel atmega328 microcontroller"> atmel atmega328 microcontroller</a> </p> <a href="https://publications.waset.org/abstracts/5919/low-cost-surface-electromyographic-signal-amplifier-based-on-arduino-microcontroller" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5919.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">366</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">123</span> Mathematics Vision of the Companies' Growth with Educational Technologies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valencia%20P.%20L.%20Rodrigo">Valencia P. L. Rodrigo</a>, <a href="https://publications.waset.org/abstracts/search?q=Morita%20A.%20Adelina"> Morita A. Adelina</a>, <a href="https://publications.waset.org/abstracts/search?q=Vargas%20V.%20Martin"> Vargas V. Martin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This proposal consists of an analysis of macro concepts involved within an organization growth using educational technologies, which will relate each concept, in a mathematical way with a vision of harmonic work. Working collaboratively, competitively and cooperatively so that this growth is harmonious and homogenous, coining a new term, Harmonic Work. The Harmonic Work ensures that the organization grows in all business directions, allowing managers to project a much more accurate growth, making clear the contribution of each department, resulting in an algorithm that analyzes each of the variables both endogenous and exogenous, establishing different performance indicators in its process of growth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=business%20projection" title="business projection">business projection</a>, <a href="https://publications.waset.org/abstracts/search?q=collaboration" title=" collaboration"> collaboration</a>, <a href="https://publications.waset.org/abstracts/search?q=competitiveness" title=" competitiveness"> competitiveness</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20technology" title=" educational technology"> educational technology</a>, <a href="https://publications.waset.org/abstracts/search?q=harmonious%20growth" title=" harmonious growth"> harmonious growth</a> </p> <a href="https://publications.waset.org/abstracts/78593/mathematics-vision-of-the-companies-growth-with-educational-technologies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78593.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">321</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">122</span> The Perspective of Waste Frying Oil in São Paulo and Its Dimensions in the Reverse Logistics of the Production of Biodiesel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Max%20Filipe%20Goncalves">Max Filipe Goncalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Alessandra%20Concilio"> Alessandra Concilio</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Shimada"> Rodrigo Shimada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The waste frying oil is highly pollutant when disposed incorrectly in the environment. Is necessary search of the Reverse Logistics to identify how can be structure to return the waste like this to productive chain and to be used in the new process. In this context, the objective of this paper is to analyze the perspective of the waste frying oil in São Paulo, and its dimensions in the production of biodiesel. Subjacent factors such as the agents, motivators and legal aspects were analyzed to demonstrate it. Then, the SWOT matrix was built with the aspects observed and the forces, weaknesses, opportunities and threats of the reverse logistic chain in São Paulo. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title="biodiesel">biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=perspective" title=" perspective"> perspective</a>, <a href="https://publications.waset.org/abstracts/search?q=reverse%20logistic" title=" reverse logistic"> reverse logistic</a>, <a href="https://publications.waset.org/abstracts/search?q=WFO" title=" WFO"> WFO</a> </p> <a href="https://publications.waset.org/abstracts/59374/the-perspective-of-waste-frying-oil-in-sao-paulo-and-its-dimensions-in-the-reverse-logistics-of-the-production-of-biodiesel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59374.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">209</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">121</span> Denoising of Magnetotelluric Signals by Filtering </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Montufar-Chaveznava">Rodrigo Montufar-Chaveznava</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernando%20Brambila-Paz"> Fernando Brambila-Paz</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivette%20Caldelas"> Ivette Caldelas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present the advances corresponding to the denoising processing of magnetotelluric signals using several filters. In particular, we use the most common spatial domain filters such as median and mean, but we are also using the Fourier and wavelet transform for frequency domain filtering. We employ three datasets obtained at the different sampling rate (128, 4096 and 8192 bps) and evaluate the mean square error, signal-to-noise relation, and peak signal-to-noise relation to compare the kernels and determine the most suitable for each case. The magnetotelluric signals correspond to earth exploration when water is searched. The object is to find a denoising strategy different to the one included in the commercial equipment that is employed in this task. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=denoising" title="denoising">denoising</a>, <a href="https://publications.waset.org/abstracts/search?q=filtering" title=" filtering"> filtering</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetotelluric%20signals" title=" magnetotelluric signals"> magnetotelluric signals</a>, <a href="https://publications.waset.org/abstracts/search?q=wavelet%20transform" title=" wavelet transform"> wavelet transform</a> </p> <a href="https://publications.waset.org/abstracts/91383/denoising-of-magnetotelluric-signals-by-filtering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91383.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">370</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">120</span> Biodiversity and Biotechnology: Some Considerations about the International Regulation of Agriculture and the International Legal System on Access to Genetic Resources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leandro%20Moura%20da%20Silva">Leandro Moura da Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The international community has strived to create legal mechanisms to protect their biodiversity, but this can represent, sometimes, particularly in the case of regulatory regime on access to genetic resources, an excessive nationalism which transforms itself into a significant obstacle to scientific progress causing damages to the country and to local farmers. Although it has been poorly publicized in the media, the international legal system was marked, in 2014, by the entry into force of the Nagoya Protocol, which regulates the access and benefit sharing of genetic resources of the States Party to that legal instrument. However, it’s not reasonable to think of regulating access to genetic resources without reflecting on the links of this important subject with other related issues, such as family farming and agribusiness, food safety, food security, intellectual property rights (on seeds, genetic material, new plant varieties, etc.), environmental sustainability, biodiversity, and biosafety. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=international%20law" title="international law">international law</a>, <a href="https://publications.waset.org/abstracts/search?q=regulation%20on%20agriculture" title=" regulation on agriculture"> regulation on agriculture</a>, <a href="https://publications.waset.org/abstracts/search?q=agronomy%20techniques" title=" agronomy techniques"> agronomy techniques</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20resources%20and%20new%20crop%20varieties" title=" genetic resources and new crop varieties"> genetic resources and new crop varieties</a>, <a href="https://publications.waset.org/abstracts/search?q=CBD" title=" CBD"> CBD</a>, <a href="https://publications.waset.org/abstracts/search?q=Nagoya%20Protocol" title=" Nagoya Protocol"> Nagoya Protocol</a>, <a href="https://publications.waset.org/abstracts/search?q=ITPGRFA" title=" ITPGRFA"> ITPGRFA</a> </p> <a href="https://publications.waset.org/abstracts/34512/biodiversity-and-biotechnology-some-considerations-about-the-international-regulation-of-agriculture-and-the-international-legal-system-on-access-to-genetic-resources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34512.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">501</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">119</span> A Video Surveillance System Using an Ensemble of Simple Neural Network Classifiers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20S.%20Moreira">Rodrigo S. Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Nelson%20F.%20F.%20Ebecken"> Nelson F. F. Ebecken</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes a maritime vessel tracker composed of an ensemble of WiSARD weightless neural network classifiers. A failure detector analyzes vessel movement with a Kalman filter and corrects the tracking, if necessary, using FFT matching. The use of the WiSARD neural network to track objects is uncommon. The additional contributions of the present study include a performance comparison with four state-of-art trackers, an experimental study of the features that improve maritime vessel tracking, the first use of an ensemble of classifiers to track maritime vessels and a new quantization algorithm that compares the values of pixel pairs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ram%20memory" title="ram memory">ram memory</a>, <a href="https://publications.waset.org/abstracts/search?q=WiSARD%20weightless%20neural%20network" title=" WiSARD weightless neural network"> WiSARD weightless neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=object%20tracking" title=" object tracking"> object tracking</a>, <a href="https://publications.waset.org/abstracts/search?q=quantization" title=" quantization"> quantization</a> </p> <a href="https://publications.waset.org/abstracts/49928/a-video-surveillance-system-using-an-ensemble-of-simple-neural-network-classifiers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49928.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">310</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">118</span> A Proposal of Ontology about Brazilian Government Transparency Portal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Estela%20Mayra%20de%20Moura%20Vianna">Estela Mayra de Moura Vianna</a>, <a href="https://publications.waset.org/abstracts/search?q=Thiago%20Jos%C3%A9%20Tavares%20%C3%81vila"> Thiago José Tavares Ávila</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20Morais%20Silva"> Bruno Morais Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Diego%20Henrique%20Bezerra"> Diego Henrique Bezerra</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20Henrique%20Gomes%20Silva"> Paulo Henrique Gomes Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Alan%20Pedro%20da%20Silva"> Alan Pedro da Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Brazilian Federal Constitution defines the access to information as a crucial right of the citizen and the Law on Access to Public Information, which regulates this right. Accordingly, the Fiscal Responsibility Act, 2000, amended in 2009 by the “Law of Transparency”, began demanding a wider disclosure of public accounts for the society, including electronic media for public access. Thus, public entities began to create "Transparency Portals," which aim to gather a diversity of data and information. However, this information, in general, is still published in formats that do not simplify understanding of the data by citizens and that could be better especially available for audit purposes. In this context, a proposal of ontology about Brazilian Transparency Portal can play a key role in how these data will be better available. This study aims to identify and implement in ontology, the data model about Transparency Portal ecosystem, with emphasis in activities that use these data for some applications, like audits, press activities, social government control, and others. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=audit" title="audit">audit</a>, <a href="https://publications.waset.org/abstracts/search?q=government%20transparency" title=" government transparency"> government transparency</a>, <a href="https://publications.waset.org/abstracts/search?q=ontology" title=" ontology"> ontology</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20sector" title=" public sector"> public sector</a> </p> <a href="https://publications.waset.org/abstracts/14657/a-proposal-of-ontology-about-brazilian-government-transparency-portal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14657.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">506</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">117</span> Study of the Influence of Hole Topology on Crack Propagation Rate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hallan%20Moura%20Ladeira">Hallan Moura Ladeira</a>, <a href="https://publications.waset.org/abstracts/search?q=Carla%20Tatiana%20Mota%20Anflor"> Carla Tatiana Mota Anflor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The drilling process for bolted or riveted joints of components is very common in the naval, aeronautical, mechanical, and civil industries. In this context, the present work aims to study, through computer simulation, the influence of hole geometry (through, chamfered, and rounded) on crack propagation when submitted to static and dynamic loads. For the static crack evaluation, failure was considered when the stress intensity factor (FIT) exceeds the fracture toughness of the material (KIc). In the case of fatigue, the condition of the small crack tip plastification zone and the Paris Law were considered for determining region II of the dadN x ΔK curve. Initially, a parametric analysis of the hole geometry was performed to obtain a topology that would result in less discontinuity of the stress field and, consequently, less influence on static crack growth. The best performing topology was then used to study the fatigue crack growth rate considering the Paris Law. The numerical tests were performed on a 7075-T6 aluminum specimen resulting in dadN x ΔK curves in good agreement with the literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=holes" title="holes">holes</a>, <a href="https://publications.waset.org/abstracts/search?q=cracks" title=" cracks"> cracks</a>, <a href="https://publications.waset.org/abstracts/search?q=loading" title=" loading"> loading</a>, <a href="https://publications.waset.org/abstracts/search?q=fracture%20toughness" title=" fracture toughness"> fracture toughness</a> </p> <a href="https://publications.waset.org/abstracts/157384/study-of-the-influence-of-hole-topology-on-crack-propagation-rate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157384.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">114</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">116</span> Virtual Reality Application for Neurorehabilitation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Vargas-Herrera">Daniel Vargas-Herrera</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivette%20Caldelas"> Ivette Caldelas</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernando%20Brambila-Paz"> Fernando Brambila-Paz</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Montufar-Chaveznava"> Rodrigo Montufar-Chaveznava</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present a virtual reality application for neurorehabilitation. This application was developed using the Unity SDK integrating the Oculus Rift and Leap Motion devices. Essentially, it consists of three stages according to the kind of rehabilitation to carry on: ocular rehabilitation, head/neck rehabilitation, and eye-hand coordination. We build three scenes for each task; for ocular and head/neck rehabilitation, there are different objects moving in the field of view and extended field of view of the user according to some patterns relative to the therapy. In the third stage the user must try to touch with the hand some objects guided by its view. We report the primer results of the use of the application with healthy people. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=virtual%20reality" title="virtual reality">virtual reality</a>, <a href="https://publications.waset.org/abstracts/search?q=interactive%20technologies" title=" interactive technologies"> interactive technologies</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20games" title=" video games"> video games</a>, <a href="https://publications.waset.org/abstracts/search?q=neurorehabilitation" title=" neurorehabilitation"> neurorehabilitation</a> </p> <a href="https://publications.waset.org/abstracts/55918/virtual-reality-application-for-neurorehabilitation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55918.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">412</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">115</span> Hedging and Corporate Governance: Lessons from the Financial Crisis </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Zeidan">Rodrigo Zeidan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper identifies failures of decision making and corporate governance that allow non-financial companies around the world to develop hedging strategies that lead to hefty losses in the aftermath of the financial crisis. The sample is comprised of 346 companies from 10 international markets, of which 49 companies (and a subsample of 13 distressed companies) lose a combined US$18.9 billion. An event study shows that most companies that present losses in derivatives experience negative abnormal returns, including a number of companies in which the effect is persistent after a year. The results of a probit model indicate that the lack of a formal hedging policy, no monitoring to the CFOs, and considerations of hubris and remuneration contribute to the mismanagement of hedging policies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=risk%20management" title="risk management">risk management</a>, <a href="https://publications.waset.org/abstracts/search?q=hedging" title=" hedging"> hedging</a>, <a href="https://publications.waset.org/abstracts/search?q=derivatives" title=" derivatives"> derivatives</a>, <a href="https://publications.waset.org/abstracts/search?q=monitoring" title=" monitoring"> monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=corporate%20governance%20structure" title=" corporate governance structure"> corporate governance structure</a>, <a href="https://publications.waset.org/abstracts/search?q=event%20study" title=" event study"> event study</a>, <a href="https://publications.waset.org/abstracts/search?q=hubris" title=" hubris"> hubris</a> </p> <a href="https://publications.waset.org/abstracts/3438/hedging-and-corporate-governance-lessons-from-the-financial-crisis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3438.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">442</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">114</span> Effects of Convective Momentum Transport on the Cyclones Intensity: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Davi%20Oliveira%20De%20Moura">José Davi Oliveira De Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Chou%20Sin%20Chan"> Chou Sin Chan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the effect of convective momentum transport (CMT) on the life of cyclone systems and their organization is analyzed. A case of strong precipitation, in the southeast of Brazil, was simulated using Eta model with two kinds of convective parameterization: Kain-Fritsch without CMT and Kain-fritsch with CMT. Reanalysis data from CFSR were used to compare Eta model simulations. The Wind, mean sea level pressure, rain and temperature are included in analysis. The rain was evaluated by Equitable Threat Score (ETS) and Bias Index; the simulations were compared among themselves to detect the influence of CMT displacement on the systems. The result shows that CMT process decreases the intensity of meso cyclones (higher pressure values on nuclei) and change the positions and production of rain. The decrease of intensity in meso cyclones should be caused by the dissolution of momentum from lower levels from up levels. The rain production and rain distribution were altered because the displacement of the larger systems scales was changed. In addition, the inclusion of CMT process is very important to improve the simulation of life time of meteorological systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=convection" title="convection">convection</a>, <a href="https://publications.waset.org/abstracts/search?q=Kain-Fritsch" title=" Kain-Fritsch"> Kain-Fritsch</a>, <a href="https://publications.waset.org/abstracts/search?q=momentum" title=" momentum"> momentum</a>, <a href="https://publications.waset.org/abstracts/search?q=parameterization" title=" parameterization"> parameterization</a> </p> <a href="https://publications.waset.org/abstracts/63535/effects-of-convective-momentum-transport-on-the-cyclones-intensity-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63535.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">325</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">113</span> Video Games Technologies Approach for Their Use in the Classroom</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Vargas-Herrera">Daniel Vargas-Herrera</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivette%20Caldelas"> Ivette Caldelas</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernando%20Brambila-Paz"> Fernando Brambila-Paz</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Montufar-Chaveznava"> Rodrigo Montufar-Chaveznava</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present the advances corresponding to the implementation of a set of educational materials based on video games technologies. Essentially these materials correspond to projects developed and under development as bachelor thesis of some Computer Engineering students of the Engineering School. All materials are based on the Unity SDK; integrating some devices such as kinect, leap motion, oculus rift, data gloves and Google cardboard. In detail, we present a virtual reality application for neurosciences students (suitable for neural rehabilitation), and virtual scenes for the Google cardboard, which will be used by the psychology students for phobias treatment. The objective is these materials will be located at a server to be available for all students, in the classroom or in the cloud, considering the use of smartphones has been widely extended between students. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=virtual%20reality" title="virtual reality">virtual reality</a>, <a href="https://publications.waset.org/abstracts/search?q=interactive%20technologies" title=" interactive technologies"> interactive technologies</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20games" title=" video games"> video games</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20materials" title=" educational materials"> educational materials</a> </p> <a href="https://publications.waset.org/abstracts/55917/video-games-technologies-approach-for-their-use-in-the-classroom" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55917.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">657</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">112</span> Reinforcement Learning the Born Rule from Photon Detection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20S.%20Piera">Rodrigo S. Piera</a>, <a href="https://publications.waset.org/abstracts/search?q=Jailson%20Sales%20Ara%C2%B4ujo"> Jailson Sales Ara´ujo</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriela%20B.%20Lemos"> Gabriela B. Lemos</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20B.%20Weiss"> Matthew B. Weiss</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20B.%20DeBrota"> John B. DeBrota</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20H.%20Aguilar"> Gabriel H. Aguilar</a>, <a href="https://publications.waset.org/abstracts/search?q=Jacques%20L.%20Pienaar"> Jacques L. Pienaar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Born rule was historically viewed as an independent axiom of quantum mechanics until Gleason derived it in 1957 by assuming the Hilbert space structure of quantum measurements [1]. In subsequent decades there have been diverse proposals to derive the Born rule starting from even more basic assumptions [2]. In this work, we demonstrate that a simple reinforcement-learning algorithm, having no pre-programmed assumptions about quantum theory, will nevertheless converge to a behaviour pattern that accords with the Born rule, when tasked with predicting the output of a quantum optical implementation of a symmetric informationally-complete measurement (SIC). Our findings support a hypothesis due to QBism (the subjective Bayesian approach to quantum theory), which states that the Born rule can be thought of as a normative rule for making decisions in a quantum world [3]. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum%20Bayesianism" title="quantum Bayesianism">quantum Bayesianism</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20theory" title=" quantum theory"> quantum theory</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20information" title=" quantum information"> quantum information</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20measurement" title=" quantum measurement"> quantum measurement</a> </p> <a href="https://publications.waset.org/abstracts/175290/reinforcement-learning-the-born-rule-from-photon-detection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/175290.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">108</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">111</span> Machine Learning Techniques to Develop Traffic Accident Frequency Prediction Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Aguiar">Rodrigo Aguiar</a>, <a href="https://publications.waset.org/abstracts/search?q=Adelino%20Ferreira"> Adelino Ferreira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Road traffic accidents are the leading cause of unnatural death and injuries worldwide, representing a significant problem of road safety. In this context, the use of artificial intelligence with advanced machine learning techniques has gained prominence as a promising approach to predict traffic accidents. This article investigates the application of machine learning algorithms to develop traffic accident frequency prediction models. Models are evaluated based on performance metrics, making it possible to do a comparative analysis with traditional prediction approaches. The results suggest that machine learning can provide a powerful tool for accident prediction, which will contribute to making more informed decisions regarding road safety. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title="machine learning">machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title=" artificial intelligence"> artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20of%20accidents" title=" frequency of accidents"> frequency of accidents</a>, <a href="https://publications.waset.org/abstracts/search?q=road%20safety" title=" road safety"> road safety</a> </p> <a href="https://publications.waset.org/abstracts/178875/machine-learning-techniques-to-develop-traffic-accident-frequency-prediction-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178875.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">89</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">110</span> Analyzing the Evolution and Maturation of Bitcoin Improvement Proposals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Costa">Rodrigo Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Thomas%20Mazzuchi"> Thomas Mazzuchi</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahram%20Sarkani"> Shahram Sarkani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study analyzes the evolution of Bitcoin Improvement Proposals (BIPs), the self-governing mechanism that enables updates to the Bitcoin protocol. By modeling BIP submission frequencies with a Negative Binomial distribution and detecting change points with the Pelt Rupture model, we identify three distinct intervals of proposal activity, suggesting shifts in development priorities over time. Long-term growth patterns, captured by Gompertz and Weibull models, indicate an S-shaped trend in cumulative BIP counts, pointing toward a maturation phase in Bitcoin’s protocol. Our findings suggest that Bitcoin may be entering a stable stage, with fewer fundamental changes and more incremental enhancements. This trend highlights the need for further research into BIP content and more studies into its dynamics to better understand decentralized protocol governance and maturation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bitcoin%20improvement%20proposals" title="bitcoin improvement proposals">bitcoin improvement proposals</a>, <a href="https://publications.waset.org/abstracts/search?q=innovation%20management" title=" innovation management"> innovation management</a>, <a href="https://publications.waset.org/abstracts/search?q=change%20point%20detection" title=" change point detection"> change point detection</a>, <a href="https://publications.waset.org/abstracts/search?q=systems%20modeling" title=" systems modeling"> systems modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a> </p> <a href="https://publications.waset.org/abstracts/194645/analyzing-the-evolution-and-maturation-of-bitcoin-improvement-proposals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/194645.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">109</span> Development of Ferrous-Aluminum Alloys from Recyclable Material by High Energy Milling </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arnold%20S.%20Freitas%20Neto">Arnold S. Freitas Neto</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20E.%20Coelho"> Rodrigo E. Coelho</a>, <a href="https://publications.waset.org/abstracts/search?q=Erick%20S.%20Mendon%C3%A7a"> Erick S. Mendonça</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to obtain an alloy of Iron and Aluminum in the proportion of 50% of atomicity for each constituent. Alloys were obtained by processing recycled aluminum and chips of 1200 series carbon steel in a high-energy mill. For the experiment, raw materials were processed thorough high energy milling before mixing the substances. Subsequently, the mixture of 1200 series carbon steel and Aluminum powder was carried out a milling process. Thereafter, hot compression was performed in a closed die in order to obtain the samples. The pieces underwent heat treatments, sintering and aging. Lastly, the composition and the mechanical properties of their hardness were analyzed. In this paper, results are compared with previous studies, which used iron powder of high purity instead of Carbon steel in the composition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fe-Al%20alloys" title="Fe-Al alloys">Fe-Al alloys</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20energy%20milling" title=" high energy milling"> high energy milling</a>, <a href="https://publications.waset.org/abstracts/search?q=metallography%20characterization" title=" metallography characterization"> metallography characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=powder%20metallurgy" title=" powder metallurgy"> powder metallurgy</a> </p> <a href="https://publications.waset.org/abstracts/57596/development-of-ferrous-aluminum-alloys-from-recyclable-material-by-high-energy-milling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57596.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">309</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">108</span> Dynamics of the Landscape in the Different Colonization Models Implemented in the Legal Amazon</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valdir%20Moura">Valdir Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Francil%C3%A9Ia%20De%20Oliveira%20E.%20Silva"> FranciléIa De Oliveira E. Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Erivelto%20Mercante"> Erivelto Mercante</a>, <a href="https://publications.waset.org/abstracts/search?q=Ranieli%20Dos%20Anjos%20De%20Souza"> Ranieli Dos Anjos De Souza</a>, <a href="https://publications.waset.org/abstracts/search?q=Jerry%20Adriani%20Johann"> Jerry Adriani Johann</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several colonization projects were implemented in the Brazilian Legal Amazon in the 1970s and 1980s. Among all of these colonization projects, the most prominent were those with the Fishbone and Topographic models. Within this scope, the projects of settlements known as Anari and Machadinho were created, which stood out because they are contiguous areas with different models and structure of occupation and colonization. The main objective of this work was to evaluate the dynamics of Land-Use and Land-Cover (LULC) in two different colonization models, implanted in the State of Rondonia in the 1980s. The Fishbone and Topographic models were implanted in the Anari and Machadinho settlements respectively. The understanding of these two forms of occupation will help in future colonization programs of the Brazilian Legal Amazon. These settlements are contiguous areas with different occupancy structures. A 32-year Landsat time series (1984-2016) was used to evaluate the rates and trends in the LULC process in the different colonization models. In the different occupation models analyzed, the results showed a rapid loss of primary and secondary forests (deforestation), mainly due to the dynamics of use, established by the Agriculture/Pasture (A/P) relation and, with heavy dependence due to road construction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=land-cover" title="land-cover">land-cover</a>, <a href="https://publications.waset.org/abstracts/search?q=deforestation" title=" deforestation"> deforestation</a>, <a href="https://publications.waset.org/abstracts/search?q=rate%20fragments" title=" rate fragments"> rate fragments</a>, <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title=" remote sensing"> remote sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20succession" title=" secondary succession"> secondary succession</a> </p> <a href="https://publications.waset.org/abstracts/107849/dynamics-of-the-landscape-in-the-different-colonization-models-implemented-in-the-legal-amazon" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107849.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">135</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">107</span> Pilot Induced Oscillations Adaptive Suppression in Fly-By-Wire Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Herlandson%20C.%20Moura">Herlandson C. Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20H.%20Bidinotto"> Jorge H. Bidinotto</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20M.%20Belo"> Eduardo M. Belo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work proposes the development of an adaptive control system which enables the suppression of Pilot Induced Oscillations (PIO) in Digital Fly-By-Wire (DFBW) aircrafts. The proposed system consists of a Modified Model Reference Adaptive Control (M-MRAC) integrated with the Gain Scheduling technique. The PIO oscillations are detected using a Real Time Oscillation Verifier (ROVER) algorithm, which then enables the system to switch between two reference models; one in PIO condition, with low proneness to the phenomenon and another one in normal condition, with high (or medium) proneness. The reference models are defined in a closed loop condition using the Linear Quadratic Regulator (LQR) control methodology for Multiple-Input-Multiple-Output (MIMO) systems. The implemented algorithms are simulated in software implementations with state space models and commercial flight simulators as the controlled elements and with pilot dynamics models. A sequence of pitch angles is considered as the reference signal, named as Synthetic Task (Syntask), which must be tracked by the pilot models. The initial outcomes show that the proposed system can detect and suppress (or mitigate) the PIO oscillations in real time before it reaches high amplitudes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adaptive%20control" title="adaptive control">adaptive control</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20Fly-By-Wire" title=" digital Fly-By-Wire"> digital Fly-By-Wire</a>, <a href="https://publications.waset.org/abstracts/search?q=oscillations%20suppression" title=" oscillations suppression"> oscillations suppression</a>, <a href="https://publications.waset.org/abstracts/search?q=PIO" title=" PIO"> PIO</a> </p> <a href="https://publications.waset.org/abstracts/86219/pilot-induced-oscillations-adaptive-suppression-in-fly-by-wire-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86219.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">134</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">106</span> Nonuniformity Correction Technique in Infrared Video Using Feedback Recursive Least Square Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Flavio%20O.%20Torres">Flavio O. Torres</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20J.%20Castilla"> Maria J. Castilla</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20A.%20Augsburger"> Rodrigo A. Augsburger</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20I.%20Cachana"> Pedro I. Cachana</a>, <a href="https://publications.waset.org/abstracts/search?q=Katherine%20S.%20Reyes"> Katherine S. Reyes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present a scene-based nonuniformity correction method using a modified recursive least square algorithm with a feedback system on the updates. The feedback is designed to remove impulsive noise contamination images produced by a recursive least square algorithm by measuring the output of the proposed algorithm. The key advantage of the method is based on its capacity to estimate detectors parameters and then compensate for impulsive noise contamination image in a frame by frame basics. We define the algorithm and present several experimental results to demonstrate the efficacy of the proposed method in comparison to several previously published recursive least square-based methods. We show that the proposed method removes impulsive noise contamination image. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=infrared%20focal%20plane%20arrays" title="infrared focal plane arrays">infrared focal plane arrays</a>, <a href="https://publications.waset.org/abstracts/search?q=infrared%20imaging" title=" infrared imaging"> infrared imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=least%20mean%20square" title=" least mean square"> least mean square</a>, <a href="https://publications.waset.org/abstracts/search?q=nonuniformity%20correction" title=" nonuniformity correction"> nonuniformity correction</a> </p> <a href="https://publications.waset.org/abstracts/131681/nonuniformity-correction-technique-in-infrared-video-using-feedback-recursive-least-square-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131681.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">143</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">105</span> City Image of Rio De Janeiro as the Host City of 2016 Olympic Games</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luciana%20Brandao%20Ferreira">Luciana Brandao Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Janaina%20de%20Moura%20Engracia%20Giraldi"> Janaina de Moura Engracia Giraldi</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabiana%20Gondim%20Mariutti"> Fabiana Gondim Mariutti</a>, <a href="https://publications.waset.org/abstracts/search?q=Marina%20Toledo%20de%20Arruda%20Lourencao"> Marina Toledo de Arruda Lourencao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Developing countries, such as BRICS (Brazil, Russia, India, China and South Africa) are hosting sports mega-events to promote socio-economic development and image enhancement. Thus, this paper aims to verify the image of Rio de Janeiro, in Brazil, as the host city of 2016 Olympic Games, considering the main cognitive and affective image dimensions. The research design uses exploratory factorial analysis to find the most important factors highlighted in the city image dimensions. The data were collected by structured questionnaires with an international respondents sample (n=274) with high international travel experience. The results show that Rio’s image as a sport mega-event host city has two main factors in each dimension: Cognitive ('General Infrastructure'; 'Services and Attractions') and Affective ('Positive Feelings'; 'Negative Feelings'). The most important factor related to cognitive dimension was 'Services and Attractions' which is more related to tourism activities. In the affective dimension 'Positive Feelings' was the most important factor, which means a good result considering that is a city in an emerging country with many unmet social demands. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rio%20de%20Janeiro" title="Rio de Janeiro">Rio de Janeiro</a>, <a href="https://publications.waset.org/abstracts/search?q=2016%20olympic%20games" title=" 2016 olympic games"> 2016 olympic games</a>, <a href="https://publications.waset.org/abstracts/search?q=host%20city%20image" title=" host city image"> host city image</a>, <a href="https://publications.waset.org/abstracts/search?q=cognitive%20image%20dimension" title=" cognitive image dimension"> cognitive image dimension</a>, <a href="https://publications.waset.org/abstracts/search?q=affective%20image%20dimension" title=" affective image dimension"> affective image dimension</a> </p> <a href="https://publications.waset.org/abstracts/98545/city-image-of-rio-de-janeiro-as-the-host-city-of-2016-olympic-games" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98545.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">147</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">104</span> Learning through Gaming with Mobile Devices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luis%20Rodrigo%20Valencia%20P%C3%A9rez">Luis Rodrigo Valencia Pérez</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Manuel%20Pe%C3%B1a%20Aguilar"> Juan Manuel Peña Aguilar</a>, <a href="https://publications.waset.org/abstracts/search?q=Adelina%20Morita%20Alexander"> Adelina Morita Alexander</a>, <a href="https://publications.waset.org/abstracts/search?q=Alberto%20Lamadrid%20Alvarez"> Alberto Lamadrid Alvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=H%C3%A9ctor%20Fernando%20Valencia%20P%C3%A9rez"> Héctor Fernando Valencia Pérez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Financial education is among the areas of opportunity in the Spanish-speaking from an early age to high school, through mobile devices such as cell phones and tablets using ludic and fun applications like interactive games, children can learn money management and investment through time, thereby fostering the habit of saving and/or sound management of cash and family business resources, having interaction with an uncontrolled environment such as the involvement of other players in the external decisions of the environment in which the game is play. The application proposed in Phase 1 (design and development) was designed in multi-user environments, under methodologies of hybrid programming for any platform on the market and designed under CMMI standards that allow for quality production over time, following up on these improvements counting with continuous user feedback and usage statistics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mobile%20educational%20games" title="mobile educational games">mobile educational games</a>, <a href="https://publications.waset.org/abstracts/search?q=ludic%20games" title=" ludic games"> ludic games</a>, <a href="https://publications.waset.org/abstracts/search?q=children" title=" children"> children</a>, <a href="https://publications.waset.org/abstracts/search?q=multiuser" title=" multiuser"> multiuser</a>, <a href="https://publications.waset.org/abstracts/search?q=design%20and%20software%20development" title=" design and software development"> design and software development</a> </p> <a href="https://publications.waset.org/abstracts/40392/learning-through-gaming-with-mobile-devices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40392.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">382</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">103</span> Study on Parallel Shear Stress of Cement-Wood Composites Using Pinus sp. and Eucalyptus sp. in natura and Treated with CCA</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20D.%20S.%20Oliveira">Rodrigo D. S. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarah%20David-Muzel"> Sarah David-Muzel</a>, <a href="https://publications.waset.org/abstracts/search?q=Maristela%20Gava"> Maristela Gava</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20A.%20De%20Araujo"> Victor A. De Araujo</a>, <a href="https://publications.waset.org/abstracts/search?q=Glaucia%20A.%20Prates"> Glaucia A. Prates</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliana%20Cortez-Barbosa"> Juliana Cortez-Barbosa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Improper disposal of treated wood waste is a problem of the timber sector, since this residue is toxic, due to the harmful characteristics of the preservative substances. An environmentally friendly alternative is the use of this waste for the production of cement-wood composites. The aim of this work was to study the possibility of using wood treated with CCA (Chromated Cooper Arsenate) in cement-wood. Specimens of Pinus sp. and Eucalyptus sp. were produced with wood raw in natura and treated with CCA. A test was performed to determine the parallel shear stress of samples after 14 days of drying, according to the Brazilian Standard NBR-7215/97. Based on the analyzed results it is concluded that the use of wood treated with CCA is not feasible in cement-wood production, because the composite samples of treated wood showed lower mechanical strength in shear stress than those with wood in natura. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=waste%20recovery" title="waste recovery">waste recovery</a>, <a href="https://publications.waset.org/abstracts/search?q=wood%20composites" title=" wood composites"> wood composites</a>, <a href="https://publications.waset.org/abstracts/search?q=cement-wood" title=" cement-wood"> cement-wood</a>, <a href="https://publications.waset.org/abstracts/search?q=wood%20preservation" title=" wood preservation"> wood preservation</a>, <a href="https://publications.waset.org/abstracts/search?q=chromated%20copper%20arsenate" title=" chromated copper arsenate"> chromated copper arsenate</a> </p> <a href="https://publications.waset.org/abstracts/13252/study-on-parallel-shear-stress-of-cement-wood-composites-using-pinus-sp-and-eucalyptus-sp-in-natura-and-treated-with-cca" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13252.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">620</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">102</span> Computational Fluids Dynamics Investigation of the Effect of Geometric Parameters on the Ejector Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michel%20Wakim">Michel Wakim</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Rivera%20Tinoco"> Rodrigo Rivera Tinoco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Supersonic ejector is an economical device that use high pressure vapor to compress a low pressure vapor without any rotating parts or external power sources. Entrainment ratio is a major characteristic of the ejector performance, so the ejector performance is highly dependent on its geometry. The aim of this paper is to design ejector geometry, based on pre-specified operating conditions, and to study the flow behavior inside the ejector by using computational fluid dynamics ‘CFD’ by using ‘ANSYS FLUENT 15.0’ software. In the first section; 1-D mathematical model is carried out to predict the ejector geometry. The second part describes the flow behavior inside the designed model. CFD is the most reliable tool to reveal the mixing process at different parts of the supersonic turbulent flow and to study the effect of the geometry on the effective ejector area. Finally, the results show the effect of the geometry on the entrainment ratio. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computational%20fluids%20dynamics" title="computational fluids dynamics">computational fluids dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=ejector" title=" ejector"> ejector</a>, <a href="https://publications.waset.org/abstracts/search?q=entrainment%20ratio" title=" entrainment ratio"> entrainment ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=geometry%20optimization" title=" geometry optimization"> geometry optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=performance" title=" performance"> performance</a> </p> <a href="https://publications.waset.org/abstracts/60609/computational-fluids-dynamics-investigation-of-the-effect-of-geometric-parameters-on-the-ejector-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60609.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">274</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">101</span> Neural Networks and Genetic Algorithms Approach for Word Correction and Prediction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20S.%20Fonseca">Rodrigo S. Fonseca</a>, <a href="https://publications.waset.org/abstracts/search?q=Ant%C3%B4nio%20C.%20P.%20Veiga"> Antônio C. P. Veiga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aiming at helping people with some movement limitation that makes typing and communication difficult, there is a need to customize an assistive tool with a learning environment that helps the user in order to optimize text input, identifying the error and providing the correction and possibilities of choice in the Portuguese language. The work presents an Orthographic and Grammatical System that can be incorporated into writing environments, improving and facilitating the use of an alphanumeric keyboard, using a prototype built using a genetic algorithm in addition to carrying out the prediction, which can occur based on the quantity and position of the inserted letters and even placement in the sentence, ensuring the sequence of ideas using a Long Short Term Memory (LSTM) neural network. The prototype optimizes data entry, being a component of assistive technology for the textual formulation, detecting errors, seeking solutions and informing the user of accurate predictions quickly and effectively through machine learning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm" title="genetic algorithm">genetic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=neural%20networks" title=" neural networks"> neural networks</a>, <a href="https://publications.waset.org/abstracts/search?q=word%20prediction" title=" word prediction"> word prediction</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a> </p> <a href="https://publications.waset.org/abstracts/141048/neural-networks-and-genetic-algorithms-approach-for-word-correction-and-prediction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141048.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">194</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">100</span> Evaluation of Iron Oxide-Functionalized Multiwall Carbon Nanotube Self-Standing Electrode for Symmetric Supercapacitor Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20V.%20Bhaskara%20Rao">B. V. Bhaskara Rao</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Espinoza"> Rodrigo Espinoza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The rapid development of renewable energy sources has drawn great attention to energy storage devices, especially supercapacitors, because of their high power density and rate performance. This work focus on Fe₃O₄ nanoparticles synthesized by reverse co-precipitation and MWCNTs functionalized by –COOH acid functionalization. The results show that Optimized 25wt% Fe₃O₄@FMWCNT show high specific capacitance 100 mF/cm² at one mA/cm² whereas 15wt% Fe₃O₄@FMWCNT showed high stability (80% retention capacity) over 5000 cycles. The electrolyte used in the coin cell is LiPF6 and the thickness of the electrode is 30 microns. The optimized Fe₃O₄@FMWCNT bucky papers coin cell electrochemical studies suggest that 25wt% Fe₃O₄@FMWCNT could be a good candidate for high-capacity supercapacitor devices. This could be further tested for flexible and planar supercapacitor device application with gel electrolytes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=self-standing%20electrode" title="self-standing electrode">self-standing electrode</a>, <a href="https://publications.waset.org/abstracts/search?q=Fe%E2%82%83O4%40FMWCNT" title=" Fe₃O4@FMWCNT"> Fe₃O4@FMWCNT</a>, <a href="https://publications.waset.org/abstracts/search?q=supercapacitor" title=" supercapacitor"> supercapacitor</a>, <a href="https://publications.waset.org/abstracts/search?q=symmetric%20coin-cell" title=" symmetric coin-cell"> symmetric coin-cell</a> </p> <a href="https://publications.waset.org/abstracts/143024/evaluation-of-iron-oxide-functionalized-multiwall-carbon-nanotube-self-standing-electrode-for-symmetric-supercapacitor-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143024.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">99</span> Development of a Computer Vision System for the Blind and Visually Impaired Person</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodrigo%20C.%20Belleza">Rodrigo C. Belleza</a>, <a href="https://publications.waset.org/abstracts/search?q=Jr."> Jr.</a>, <a href="https://publications.waset.org/abstracts/search?q=Roselyn%20A.%20Maa%C3%B1o"> Roselyn A. Maaño</a>, <a href="https://publications.waset.org/abstracts/search?q=Karl%20Patrick%20E.%20Camota"> Karl Patrick E. Camota</a>, <a href="https://publications.waset.org/abstracts/search?q=Darwin%20Kim%20Q.%20Bulawan"> Darwin Kim Q. Bulawan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Eyes are an essential and conspicuous organ of the human body. Human eyes are outward and inward portals of the body that allows to see the outside world and provides glimpses into ones inner thoughts and feelings. Inevitable blindness and visual impairments may result from eye-related disease, trauma, or congenital or degenerative conditions that cannot be corrected by conventional means. The study emphasizes innovative tools that will serve as an aid to the blind and visually impaired (VI) individuals. The researchers fabricated a prototype that utilizes the Microsoft Kinect for Windows and Arduino microcontroller board. The prototype facilitates advanced gesture recognition, voice recognition, obstacle detection and indoor environment navigation. Open Computer Vision (OpenCV) performs image analysis, and gesture tracking to transform Kinect data to the desired output. A computer vision technology device provides greater accessibility for those with vision impairments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algorithms" title="algorithms">algorithms</a>, <a href="https://publications.waset.org/abstracts/search?q=blind" title=" blind"> blind</a>, <a href="https://publications.waset.org/abstracts/search?q=computer%20vision" title=" computer vision"> computer vision</a>, <a href="https://publications.waset.org/abstracts/search?q=embedded%20systems" title=" embedded systems"> embedded systems</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20analysis" title=" image analysis"> image analysis</a> </p> <a href="https://publications.waset.org/abstracts/2016/development-of-a-computer-vision-system-for-the-blind-and-visually-impaired-person" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2016.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">318</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Moura&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Moura&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Moura&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Moura&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Rodrigo%20Moura&page=2" 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