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Yamazaki</title> <meta name="description" content="Search results for: Kiyohiro Yamazaki"> <meta name="keywords" content="Kiyohiro Yamazaki"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="Kiyohiro Yamazaki"> <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> 13</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Kiyohiro Yamazaki</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Mechanism of Changing a Product Concept</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kiyohiro%20Yamazaki">Kiyohiro Yamazaki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper is to examine the hypothesis explaining the mechanism in the case, where the product is deleted or reduced the fundamental function of the product through the product concept changes in the digital camera industry. This paper points out not owning the fundamental technology might cause the change of the product concept. Casio could create new competitive factor so that this paper discusses a possibility of the mechanism of changing the product concept. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=firm%20without%20fundamental%20technology" title="firm without fundamental technology">firm without fundamental technology</a>, <a href="https://publications.waset.org/abstracts/search?q=product%20development" title=" product development"> product development</a>, <a href="https://publications.waset.org/abstracts/search?q=product%20concept" title=" product concept"> product concept</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20camera%20industry" title=" digital camera industry"> digital camera industry</a>, <a href="https://publications.waset.org/abstracts/search?q=Casio" title=" Casio"> Casio</a> </p> <a href="https://publications.waset.org/abstracts/16190/mechanism-of-changing-a-product-concept" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16190.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">562</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">12</span> Competitive Advantages of a Firm without Fundamental Technology: A Case Study of Sony, Casio and Nintendo</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kiyohiro%20Yamazaki">Kiyohiro Yamazaki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A purpose of this study is to examine how a firm without fundamental technology is able to gain the competitive advantage. This paper examines three case studies, Sony in the flat display TV industry, Casio in the digital camera industry and Nintendo in the home game machine industry. This paper maintain the firms without fundamental technology construct two advantages, economic advantage and organizational advantage. An economic advantage involves the firm can select either high-tech or cheap devices out of several device makers, and change the alternatives cheaply and quickly. In addition, organizational advantage means that a firm without fundamental technology is not restricted by organizational inertia and cognitive restraints, and exercises the characteristic of strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=firm%20without%20fundamental%20technology" title="firm without fundamental technology">firm without fundamental technology</a>, <a href="https://publications.waset.org/abstracts/search?q=economic%20advantage" title=" economic advantage"> economic advantage</a>, <a href="https://publications.waset.org/abstracts/search?q=organizational%20advantage" title=" organizational advantage"> organizational advantage</a>, <a href="https://publications.waset.org/abstracts/search?q=Sony" title=" Sony"> Sony</a>, <a href="https://publications.waset.org/abstracts/search?q=Casio" title=" Casio"> Casio</a>, <a href="https://publications.waset.org/abstracts/search?q=Nintendo" title=" Nintendo"> Nintendo</a> </p> <a href="https://publications.waset.org/abstracts/56971/competitive-advantages-of-a-firm-without-fundamental-technology-a-case-study-of-sony-casio-and-nintendo" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56971.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">288</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">11</span> A Process of Forming a Single Competitive Factor in the Digital Camera Industry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kiyohiro%20Yamazaki">Kiyohiro Yamazaki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper considers a forming process of a single competitive factor in the digital camera industry from the viewpoint of product platform. To make product development easier for companies and to increase product introduction ratios, development efforts concentrate on improving and strengthening certain product attributes, and it is born in the process that the product platform is formed continuously. It is pointed out that the formation of this product platform raises product development efficiency of individual companies, but on the other hand, it has a trade-off relationship of causing unification of competitive factors in the whole industry. This research tries to analyze product specification data which were collected from the web page of digital camera companies. Specifically, this research collected all product specification data released in Japan from 1995 to 2003 and analyzed the composition of image sensor and optical lens; and it identified product platforms shared by multiple products and discussed their application. As a result, this research found that the product platformation was born in the development of the standard product for major market segmentation. Every major company has made product platforms of image sensors and optical lenses, and as a result, this research found that the competitive factors were unified in the entire industry throughout product platformation. In other words, this product platformation brought product development efficiency of individual firms; however, it also caused industrial competition factors to be unified in the industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=digital%20camera%20industry" title="digital camera industry">digital camera industry</a>, <a href="https://publications.waset.org/abstracts/search?q=product%20evolution%20trajectory" title=" product evolution trajectory"> product evolution trajectory</a>, <a href="https://publications.waset.org/abstracts/search?q=product%20platform" title=" product platform"> product platform</a>, <a href="https://publications.waset.org/abstracts/search?q=unification%20of%20competitive%20factors" title=" unification of competitive factors"> unification of competitive factors</a> </p> <a href="https://publications.waset.org/abstracts/95172/a-process-of-forming-a-single-competitive-factor-in-the-digital-camera-industry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95172.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">158</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">10</span> Development of a Web Exploration Support System Focusing on Accumulation of Search Contexts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Yamazaki">T. Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Onuma"> R. Onuma</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Kaminaga"> H. Kaminaga</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Miyadera"> Y. Miyadera</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Nakamura"> S. Nakamura</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Web exploration has increasingly diversified in accordance with the development of browsing environments on the Internet. Moreover, advanced exploration often conducted in intellectual activities such as surveys in research activities. This kind of exploration is conducted for a long period with trials and errors. In such a case, it is extremely important for a user to accumulate the search contexts and understand them. However, existing support systems were not effective enough since most systems could not handle the various factors involved in the exploration. This research aims to develop a novel system to support web exploration focusing on the accumulation of the search contexts. This paper mainly describes the outline of the system. An experiment using the system is also described. Finally, features of the system are discussed based on the results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=web%20exploration%20context" title="web exploration context">web exploration context</a>, <a href="https://publications.waset.org/abstracts/search?q=refinement%20of%20search%20intention" title=" refinement of search intention"> refinement of search intention</a>, <a href="https://publications.waset.org/abstracts/search?q=accumulation%20of%20context" title=" accumulation of context"> accumulation of context</a>, <a href="https://publications.waset.org/abstracts/search?q=exploration%20support" title=" exploration support"> exploration support</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20visualization" title=" information visualization"> information visualization</a> </p> <a href="https://publications.waset.org/abstracts/4213/development-of-a-web-exploration-support-system-focusing-on-accumulation-of-search-contexts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4213.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">9</span> Aerodynamic Bicycle Torque Augmentation with a Wells Turbine in Wheels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tsuyoshi%20Yamazaki">Tsuyoshi Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Etsuo%20Morishita"> Etsuo Morishita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cyclists often run through a crosswind and sometimes we experience the adverse pressure. We came to an idea that Wells turbine can be used as power augmentation device in the crosswind something like sails of a yacht. Wells turbine always rotates in the same direction irrespective of the incoming flow direction, and we use it in the small-scale power generation in the ocean where waves create an oscillating flow. We incorporate the turbine to the wheel of a bike. A commercial device integrates strain gauges in the crank of a bike and transmitted force and torque applied to the pedal of the bike as an e-mail to the driver’s mobile phone. We can analyze the unsteady data in a spreadsheet sent from the crank sensor. We run the bike with the crank sensor on the rollers at the exit of a low-speed wind tunnel and analyze the effect of the crosswind to the wheel with a Wells turbine. We also test the aerodynamic characteristics of the turbine separately. Although power gain depends on the flow direction, several Watts increase might be possible by the Wells turbine incorporated to a bike wheel. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerodynamics" title="aerodynamics">aerodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=Wells%20turbine" title=" Wells turbine"> Wells turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=bicycle" title=" bicycle"> bicycle</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20engineering" title=" wind engineering"> wind engineering</a> </p> <a href="https://publications.waset.org/abstracts/84277/aerodynamic-bicycle-torque-augmentation-with-a-wells-turbine-in-wheels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84277.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">180</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">8</span> Aerodynamic Devices Development for Model Aircraft Control and Wind-Driven Bicycle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yuta%20Moriyama">Yuta Moriyama</a>, <a href="https://publications.waset.org/abstracts/search?q=Tsuyoshi%20Yamazaki"> Tsuyoshi Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Etsuo%20Morishita"> Etsuo Morishita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several aerodynamic devices currently attract engineers and research students. The plasma actuator is one of them, and it is very effective to control the flow. The actuator recovers a separated flow to an attached one. The actuator is also inversely applied to a spoiler. The model aircraft might be controlled by this actuator. We develop a model aircraft with the plasma actuator. Another interesting device is the Wells turbine which rotates in one direction. The present authors propose a bicycle with the Wells turbine in the wheels. Power reduction is measured when the turbine is driven by an electric motor at the exit of a wind tunnel. Several Watts power reduction might be possible. This means that the torque of the bike can be augmented by the turbine in the cross wind. These devices are tested in the wind tunnel with a three-component balance and the aerodynamic forces and moment are obtained. In this paper, we introduce these devices and their aerodynamic characteristics. The control force and moment of the plasma actuator are clarified and the power reduction of the bicycle is quantified. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerodynamics" title="aerodynamics">aerodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20aircraft" title=" model aircraft"> model aircraft</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma%20actuator" title=" plasma actuator"> plasma actuator</a>, <a href="https://publications.waset.org/abstracts/search?q=Wells%20turbine" title=" Wells turbine"> Wells turbine</a> </p> <a href="https://publications.waset.org/abstracts/92167/aerodynamic-devices-development-for-model-aircraft-control-and-wind-driven-bicycle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92167.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">246</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">7</span> Rasch Analysis in the Development of 'Kohesif-Ques': An Instrument to Measure Social Cohesion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Paramita%20Sekar%20Ayu">Paramita Sekar Ayu</a>, <a href="https://publications.waset.org/abstracts/search?q=Sunjaya%20Deni%20Kurniadi"> Sunjaya Deni Kurniadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yamazaki%20Chiho"> Yamazaki Chiho</a>, <a href="https://publications.waset.org/abstracts/search?q=Hilfi%20Lukman"> Hilfi Lukman</a>, <a href="https://publications.waset.org/abstracts/search?q=Koyama%20Hiroshi"> Koyama Hiroshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Social cohesion, or closeness among members of society, is an important determinant of population health. A cohesive society is a crucial societal condition for a positive life evaluation and subjective wellbeing, and people living in a cohesive society are happier and more satisfied with life and achieve better health status. The objective of this study was to compose and validate a questionnaire for measuring social cohesion with Rasch analysis. We develop a set of 13 questions to measure 4 dimensions of social cohesion. Random samples of 166 Bandung citizens’ were selected to answer the questionnaire. To evaluate the questionnaire’s validity and reliability, Rasch analysis (a psychometric model for analyzing categorical data on questionnaire responses) was carried out using Winsteps version 3.75.0. Rasch analysis was performed on the response given to 13 items included in the questionnaire. The reliability coefficient, Cronbach’s alpha was 0.70, model RMSE 0.08, SD 0.54, separation 7.14, and reliability of 0.98. ‘Kohesif-Ques’ is a useful instrument to assess social cohesion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rasch%20analysis" title="rasch analysis">rasch analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=rasch%20model" title=" rasch model"> rasch model</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20cohesion" title=" social cohesion"> social cohesion</a>, <a href="https://publications.waset.org/abstracts/search?q=quesionnaire" title=" quesionnaire"> quesionnaire</a> </p> <a href="https://publications.waset.org/abstracts/97217/rasch-analysis-in-the-development-of-kohesif-ques-an-instrument-to-measure-social-cohesion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97217.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">177</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">6</span> A Pilot Study of Robot Reminiscence in Dementia Care</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ryuji%20Yamazaki">Ryuji Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Masahiro%20Kochi"> Masahiro Kochi</a>, <a href="https://publications.waset.org/abstracts/search?q=Weiran%20Zhu"> Weiran Zhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroko%20Kase"> Hiroko Kase</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In care for older adults, behavioral and psychological symptoms of dementia (BPSD) like agitation and aggression are distressing for patients and their caretakers, often resulting in premature institutionalization with increased costs of care. To improve mood and mitigate symptoms, as a non-pharmaceutical approach, emotion-oriented therapy like reminiscence work is adopted in face-to-face communication. Telecommunication support is expected to be provided by robotic media as a bridge for digital divide for those with dementia and facilitate social interaction both verbally and nonverbally. The purpose of this case study is to explore the conditions in which robotic media can effectively attract attention from older adults with dementia and promote their well-being. As a pilot study, we introduced the pillow-phone Hugvie<sup>®</sup>, a huggable humanly shaped communication medium to five residents with dementia at a care facility, to investigate how the following conditions work for the elderly when they use the medium; 1) no sound, 2) radio, non-interactive, 3) daily conversation, and 4) reminiscence work. As a result, under condition 4, reminiscence work, the five participants kept concentration in interacting with the medium for a longer duration than other conditions. In condition 4, they also showed larger amount of utterances than under other conditions. These results indicate that providing topics related to personal histories through robotic media could affect communication positively and should, therefore, be further investigated. In addition, the issue of ethical implications by using persuasive technology that affects emotions and behaviors of older adults is also discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BPSD" title="BPSD">BPSD</a>, <a href="https://publications.waset.org/abstracts/search?q=reminiscence" title=" reminiscence"> reminiscence</a>, <a href="https://publications.waset.org/abstracts/search?q=tactile%20telecommunication" title=" tactile telecommunication"> tactile telecommunication</a>, <a href="https://publications.waset.org/abstracts/search?q=utterances" title=" utterances"> utterances</a> </p> <a href="https://publications.waset.org/abstracts/92288/a-pilot-study-of-robot-reminiscence-in-dementia-care" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92288.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">173</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">5</span> Use of Social Support for Fathers with Developmental Disabilities in Japan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shiori%20Ishida">Shiori Ishida</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiromi%20Okuno"> Hiromi Okuno</a>, <a href="https://publications.waset.org/abstracts/search?q=Hisato%20Igarashi"> Hisato Igarashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Akemi%20Yamazaki"> Akemi Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroko%20Takahashi"> Hiroko Takahashi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to clarify the differences and similarities regarding the social support of fathers and mothers towards considering increased assistance for the paternity of children with developmental disabilities. Written questionnaires were completed by fathers (n=85) and mothers (n=101) of children using rehabilitation facilities between infancy and 5 years of age. The survey contained multiple-choice questions on four categories: information support (6 items), emotional support (7 items), evaluation support (3 items), and daily living support (3 items). Regarding information support, fathers answered ‘spouse’ as the provider in over 50% of cases for all 6 items, which was significantly different compared with mothers (all p < 0.001). For emotional support, fathers were significantly more likely to get support from the workplace (p < 0.001) and from spouse (p < 0.001). The ‘evaluation support’ did not have significant differences for fathers in all the items, but the most frequent support providers were ‘spouses’. ‘Daily living support’ was significantly different from fathers in the workplace (p < 0.000) in terms of make allowances for work and duties. Thus, it appeared that fathers had fewer social support sources as compared with mothers and limited non-spouse support. The understanding of developmental disabilities, acquisition of methods of rehabilitation, and sources of support might have been inadequately addressed among fathers, which could be a hindrance to the involvement of fathers in the rearing of children with developmental disabilities. On the other hand, we also observed that some fathers were involved in the care of developmentally troubled children while providing mental support for their spouse, cooperating with housework, and adjusting their work life. However, the results on the external and social backgrounds of fathers indicated a necessity for greater empowerment and peer support to improve the paternal care of children with developmental disabilities in the family survey. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=children%20with%20developmental%20disabilities" title="children with developmental disabilities">children with developmental disabilities</a>, <a href="https://publications.waset.org/abstracts/search?q=family%20support" title=" family support"> family support</a>, <a href="https://publications.waset.org/abstracts/search?q=father" title=" father"> father</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20support" title=" social support"> social support</a> </p> <a href="https://publications.waset.org/abstracts/114583/use-of-social-support-for-fathers-with-developmental-disabilities-in-japan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114583.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">132</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">4</span> Development and Evaluation of Virtual Basketball Game Using Motion Capture Technology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shunsuke%20Aoki">Shunsuke Aoki</a>, <a href="https://publications.waset.org/abstracts/search?q=Taku%20Ri"> Taku Ri</a>, <a href="https://publications.waset.org/abstracts/search?q=Tatsuya%20Yamazaki"> Tatsuya Yamazaki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> These days, along with the development of e-sports, video games as a competitive sport is attracting attention. But, in many cases, action in the screen does not match the real motion of operation. Inclusiveness of player motion is needed to increase reality and excitement for sports games. Therefore, in this study, the authors propose a method to recognize player motion by using the motion capture technology and develop a virtual basketball game. The virtual basketball game consists of a screen with nine targets, players, depth sensors, and no ball. The players pretend a two-handed basketball shot without a ball aiming at one of the nine targets on the screen. Time-series data of three-dimensional coordinates of player joints are captured by the depth sensor. 20 joints data are measured for each player to estimate the shooting motion in real-time. The trajectory of the thrown virtual ball is calculated based on the time-series data and hitting on the target is judged as success or failure. The virtual basketball game can be played by 2 to 4 players as a competitive game among the players. The developed game was exhibited to the public for evaluation on the authors' university open campus days. 339 visitors participated in the exhibition and enjoyed the virtual basketball game over the two days. A questionnaire survey on the developed game was conducted for the visitors who experienced the game. As a result of the survey, about 97.3% of the players found the game interesting regardless of whether they had experienced actual basketball before or not. In addition, it is found that women are easy to comfort for shooting motion. The virtual game with motion capture technology has the potential to become a universal entertainment between e-sports and actual sports. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=basketball" title="basketball">basketball</a>, <a href="https://publications.waset.org/abstracts/search?q=motion%20capture" title=" motion capture"> motion capture</a>, <a href="https://publications.waset.org/abstracts/search?q=questionnaire%20survey" title=" questionnaire survey"> questionnaire survey</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20ga" title=" video ga"> video ga</a> </p> <a href="https://publications.waset.org/abstracts/108335/development-and-evaluation-of-virtual-basketball-game-using-motion-capture-technology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108335.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">126</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">3</span> Development of Wave-Dissipating Block Installation Simulation for Inexperienced Worker Training</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hao%20Min%20Chuah">Hao Min Chuah</a>, <a href="https://publications.waset.org/abstracts/search?q=Tatsuya%20Yamazaki"> Tatsuya Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryosui%20Iwasawa"> Ryosui Iwasawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Tatsumi%20Suto"> Tatsumi Suto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, with the advancement of digital technology, the movement to introduce so-called ICT (Information and Communication Technology), such as computer technology and network technology, to civil engineering construction sites and construction sites is accelerating. As part of this movement, attempts are being made in various situations to reproduce actual sites inside computers and use them for designing and construction planning, as well as for training inexperienced engineers. The installation of wave-dissipating blocks on coasts, etc., is a type of work that has been carried out by skilled workers based on their years of experience and is one of the tasks that is difficult for inexperienced workers to carry out on site. Wave-dissipating blocks are structures that are designed to protect coasts, beaches, and so on from erosion by reducing the energy of ocean waves. Wave-dissipating blocks usually weigh more than 1 t and are installed by being suspended by a crane, so it would be time-consuming and costly for inexperienced workers to train on-site. In this paper, therefore, a block installation simulator is developed based on Unity 3D, a game development engine. The simulator computes porosity. Porosity is defined as the ratio of the total volume of the wave breaker blocks inside the structure to the final shape of the ideal structure. Using the evaluation of porosity, the simulator can determine how well the user is able to install the blocks. The voxelization technique is used to calculate the porosity of the structure, simplifying the calculations. Other techniques, such as raycasting and box overlapping, are employed for accurate simulation. In the near future, the simulator will install an automatic block installation algorithm based on combinatorial optimization solutions and compare the user-demonstrated block installation and the appropriate installation solved by the algorithm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20simulator" title="3D simulator">3D simulator</a>, <a href="https://publications.waset.org/abstracts/search?q=porosity" title=" porosity"> porosity</a>, <a href="https://publications.waset.org/abstracts/search?q=user%20interface" title=" user interface"> user interface</a>, <a href="https://publications.waset.org/abstracts/search?q=voxelization" title=" voxelization"> voxelization</a>, <a href="https://publications.waset.org/abstracts/search?q=wave-dissipating%20blocks" title=" wave-dissipating blocks"> wave-dissipating blocks</a> </p> <a href="https://publications.waset.org/abstracts/175733/development-of-wave-dissipating-block-installation-simulation-for-inexperienced-worker-training" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/175733.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">103</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">2</span> Childhood Obesity in Japan: Trends in Obesity Prevalence among Japanese Kids under 17 Years Old from 2007 to 2016</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Houda%20Mnif%20Sellami">Houda Mnif Sellami</a>, <a href="https://publications.waset.org/abstracts/search?q=Toshi%20Umehara"> Toshi Umehara</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuriko%20Yamazaki"> Yuriko Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Reie%20Matoba"> Reie Matoba</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Sakashita"> Anna Sakashita</a>, <a href="https://publications.waset.org/abstracts/search?q=Yoshimi%20Abe"> Yoshimi Abe</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroyuki%20Otake"> Hiroyuki Otake</a>, <a href="https://publications.waset.org/abstracts/search?q=Satoko%20Morita"> Satoko Morita</a>, <a href="https://publications.waset.org/abstracts/search?q=Yoshitaka%20Akiyama"> Yoshitaka Akiyama</a>, <a href="https://publications.waset.org/abstracts/search?q=Chieko%20Morisawa"> Chieko Morisawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Eiji%20Omura"> Eiji Omura</a>, <a href="https://publications.waset.org/abstracts/search?q=Masako%20Yazawa"> Masako Yazawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Yoshie%20Koike"> Yoshie Koike</a>, <a href="https://publications.waset.org/abstracts/search?q=Mitsugu%20Tokunaga"> Mitsugu Tokunaga</a>, <a href="https://publications.waset.org/abstracts/search?q=Seiki%20Wada"> Seiki Wada</a>, <a href="https://publications.waset.org/abstracts/search?q=Shinya%20Minagawa"> Shinya Minagawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Masafumi%20Matsuda"> Masafumi Matsuda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Childhood obesity has been, for decades, a very serious public health problem worldwide. Some Asian countries have already reached alarming rates, as lifestyle changed dramatically in this part of the world. In many concerned countries, strategies including educational, promotional and awareness-raising activities have been established to combat obesity within kids. Objective: To estimate the obesity and also the underweight trends of Japanese kids from 5 to 17 years, by single year of age and by gender, over the last decade. Methods We used the data from the cross-sectional annual Nationwide surveys (National Nutrition Survey, Japan, Ministry of education, culture, sports, science and technology) conducted from 2007 to 2016. We compared trajectories of obesity prevalence, with the data on sex and age groups. We also analyzed energy and macronutrients intakes of Japanese kids using Ministry of Health, Labor and Welfare-Japan annual data, from 2007 to 2014. Results: From 2007 to 2016, Boys obesity was higher than Girls obesity for the over 6 YO participants. Both Boys and Girls obesity trends had 2 peaks of prevalence at (11-13 YO) and then at (15-16 YO). From 2007 to 2012, Kids obesity decreased considerably in both sex and all year of age; then obesity decline was more modest till 2016.On the other side, Kids underweight prevalence increased in both sexes. The macronutrients analyze couldn’t show an evident association between obesity trends and foods intake. Conclusion: Japanese kids’ obesity has been decreased since 2007, in opposition to some other countries reports. We didn’t find an observed association with food intake using Health Ministry data; we need further investigation to estimate energy intake, lifestyle and physical activity by year of age to know whether there is any possible relation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=childhood" title="childhood">childhood</a>, <a href="https://publications.waset.org/abstracts/search?q=Japan" title=" Japan"> Japan</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=underweight" title=" underweight"> underweight</a> </p> <a href="https://publications.waset.org/abstracts/74974/childhood-obesity-in-japan-trends-in-obesity-prevalence-among-japanese-kids-under-17-years-old-from-2007-to-2016" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74974.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">289</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">1</span> Field Environment Sensing and Modeling for Pears towards Precision Agriculture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tatsuya%20Yamazaki">Tatsuya Yamazaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuya%20Miyakawa"> Kazuya Miyakawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Tomohiko%20Sugiyama"> Tomohiko Sugiyama</a>, <a href="https://publications.waset.org/abstracts/search?q=Toshitaka%20Iwatani"> Toshitaka Iwatani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The introduction of sensor technologies into agriculture is a necessary step to realize Precision Agriculture. Although sensing methodologies themselves have been prevailing owing to miniaturization and reduction in costs of sensors, there are some difficulties to analyze and understand the sensing data. Targeting at pears ’Le Lectier’, which is particular to Niigata in Japan, cultivation environmental data have been collected at pear fields by eight sorts of sensors: field temperature, field humidity, rain gauge, soil water potential, soil temperature, soil moisture, inner-bag temperature, and inner-bag humidity sensors. With regard to the inner-bag temperature and humidity sensors, they are used to measure the environment inside the fruit bag used for pre-harvest bagging of pears. In this experiment, three kinds of fruit bags were used for the pre-harvest bagging. After over 100 days continuous measurement, volumes of sensing data have been collected. Firstly, correlation analysis among sensing data measured by respective sensors reveals that one sensor can replace another sensor so that more efficient and cost-saving sensing systems can be proposed to pear farmers. Secondly, differences in characteristic and performance of the three kinds of fruit bags are clarified by the measurement results by the inner-bag environmental sensing. It is found that characteristic and performance of the inner-bags significantly differ from each other by statistical analysis. Lastly, a relational model between the sensing data and the pear outlook quality is established by use of Structural Equation Model (SEM). Here, the pear outlook quality is related with existence of stain, blob, scratch, and so on caused by physiological impair or diseases. Conceptually SEM is a combination of exploratory factor analysis and multiple regression. By using SEM, a model is constructed to connect independent and dependent variables. The proposed SEM model relates the measured sensing data and the pear outlook quality determined on the basis of farmer judgement. In particularly, it is found that the inner-bag humidity variable relatively affects the pear outlook quality. Therefore, inner-bag humidity sensing might help the farmers to control the pear outlook quality. These results are supported by a large quantity of inner-bag humidity data measured over the years 2014, 2015, and 2016. The experimental and analytical results in this research contribute to spreading Precision Agriculture technologies among the farmers growing ’Le Lectier’. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=precision%20agriculture" title="precision agriculture">precision agriculture</a>, <a href="https://publications.waset.org/abstracts/search?q=pre-harvest%20bagging" title=" pre-harvest bagging"> pre-harvest bagging</a>, <a href="https://publications.waset.org/abstracts/search?q=sensor%20fusion" title=" sensor fusion"> sensor fusion</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20equation%20model" title=" structural equation model"> structural equation model</a> </p> <a href="https://publications.waset.org/abstracts/59440/field-environment-sensing-and-modeling-for-pears-towards-precision-agriculture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59440.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">314</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Explore <li><a href="https://waset.org/disciplines">Disciplines</a></li> <li><a href="https://waset.org/conferences">Conferences</a></li> <li><a href="https://waset.org/conference-programs">Conference Program</a></li> <li><a href="https://waset.org/committees">Committees</a></li> <li><a href="https://publications.waset.org">Publications</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Research <li><a href="https://publications.waset.org/abstracts">Abstracts</a></li> <li><a href="https://publications.waset.org">Periodicals</a></li> <li><a href="https://publications.waset.org/archive">Archive</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Open Science <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Philosophy.pdf">Open Science Philosophy</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Award.pdf">Open Science Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Society-Open-Science-and-Open-Innovation.pdf">Open Innovation</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Postdoctoral-Fellowship-Award.pdf">Postdoctoral Fellowship Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Scholarly-Research-Review.pdf">Scholarly Research Review</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Support <li><a href="https://waset.org/page/support">Support</a></li> <li><a href="https://waset.org/profile/messages/create">Contact Us</a></li> <li><a href="https://waset.org/profile/messages/create">Report Abuse</a></li> </ul> </div> </div> </div> </div> </div> <div class="container text-center"> <hr style="margin-top:0;margin-bottom:.3rem;"> <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" class="text-muted small">Creative Commons Attribution 4.0 International License</a> <div id="copy" class="mt-2">© 2024 World Academy of Science, Engineering and Technology</div> </div> </footer> <a href="javascript:" id="return-to-top"><i class="fas fa-arrow-up"></i></a> <div class="modal" id="modal-template"> <div class="modal-dialog"> <div class="modal-content"> <div class="row m-0 mt-1"> <div class="col-md-12"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> </div> </div> <div class="modal-body"></div> </div> </div> </div> <script src="https://cdn.waset.org/static/plugins/jquery-3.3.1.min.js"></script> <script src="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/js/bootstrap.bundle.min.js"></script> <script src="https://cdn.waset.org/static/js/site.js?v=150220211556"></script> <script> jQuery(document).ready(function() { /*jQuery.get("https://publications.waset.org/xhr/user-menu", function (response) { jQuery('#mainNavMenu').append(response); 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