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<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Blind Extraction of Digital Watermarking Algorithm for Color Images</title>  <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <meta name="title" content="Blind Extraction of Digital Watermarking Algorithm for Color Images"> <meta name="description" content="Digital watermark technology hides copyright information in digital images, effectively protecting the copyright of digital images. At present, the color image digital watermarking algorithm still has defects such as the inability to balance robustness, invisibility and the weak anti-attack ability. Aiming at the above problems, this paper studies the digital watermarking method based on discrete wavelet transform and discrete cosine transform. Then this paper proposes a color image blind digital watermarking algorithm based on QR code. First, convert the color image from RGB space to YCbCr space, extract the Y component and perform the second-level discrete wavelet transform. secondly, block the LL2 subband and perform the discrete cosine transform. finally, use the embedding method to convert the watermark information after the Arnold transform embedded in the block. The experimental results show that the PSNR of the color image embedded with the QR code is 56.7159 without being attacked. After being attacked, its PSNR and NC values are respectively 30dB and 0.95 or more, which proves that the algorithm has good robustness and can achieve watermarking blind extraction"/> <meta name="keywords" content="QR Code, Color Image, Arnold Transform, Discrete Wavelet Transform, Discrete Wavelet Transform"/>   <meta name="dc.title" content="Blind Extraction of Digital Watermarking Algorithm for Color Images"> <meta name="dc.creator" content="Xuecheng Gong"> <meta name="dc.creator" content="Wanggen Li"> <meta name="dc.creator" content="Wang Jing"> <meta name="dc.type" content="Article"> <meta name="dc.source" content="The International Journal of Multimedia & Its Applications (IJMA) Vol.13 No.2, 2021"> <meta name="dc.date" content="2021-04-30"> <meta name="dc.identifier" content="10.5121/ijma.2021.13202"> <meta name="dc.publisher" content="AIRCC Publishing Corporation"> <meta name="dc.rights" content="http://creativecommons.org/licenses/by/3.0/"> <meta name="dc.format" content="application/pdf"> <meta name="dc.language" content="en"> <meta name="dc.description" content="Digital watermark technology hides copyright information in digital images, effectively protecting the copyright of digital images. At present, the color image digital watermarking algorithm still has defects such as the inability to balance robustness, invisibility and the weak anti-attack ability. Aiming at the above problems, this paper studies the digital watermarking method based on discrete wavelet transform and discrete cosine transform. Then this paper proposes a color image blind digital watermarking algorithm based on QR code. First, convert the color image from RGB space to YCbCr space, extract the Y component and perform the second-level discrete wavelet transform. secondly, block the LL2 subband and perform the discrete cosine transform. finally, use the embedding method to convert the watermark information after the Arnold transform embedded in the block. The experimental results show that the PSNR of the color image embedded with the QR code is 56.7159 without being attacked. After being attacked, its PSNR and NC values are respectively 30dB and 0.95 or more, which proves that the algorithm has good robustness and can achieve watermarking blind extraction."/> <meta name="dc.subject" content="QR Code"> <meta name="dc.subject" content="Color Image"> <meta name="dc.subject" content="Arnold Transform"> <meta name="dc.subject" content="Discrete Wavelet Transform">   <meta name="prism.publicationName" content="The International Journal of Multimedia & Its Applications (IJMA)"> <meta name="prism.publicationDate" content="2021-04-30"> <meta name="prism.volume" content="13"> <meta name="prism.number" content="2"> <meta name="prism.section" content="Article"> <meta name="prism.startingPage" content="15">   <meta name="citation_journal_title" content="The International Journal of Multimedia & Its Applications (IJMA)"> <meta name="citation_publisher" content="AIRCC Publishing Corporation"> <meta name="citation_authors" content="Xuecheng Gong, Wanggen Li and Wang Jing"> <meta name="citation_title" content="Blind Extraction of Digital Watermarking Algorithm for Color Images"> <meta name="citation_online_date" content="2021/04/30"> <meta name="citation_volume" content="13"> <meta name="citation_issue" content="2"> <meta name="citation_firstpage" content="15"> <meta name="citation_author" content="Xuecheng Gong"> <meta name="citation_author" content="Wanggen Li"> <meta name="citation_author" content="Wang Jing"> <meta name="citation_doi" content="10.5121/ijma.2021.13202"> <meta name="citation_abstract_html_url" content="https://aircconline.com/abstract/ijma/v13n2/13221ijma02.html"> <meta name="citation_pdf_url" content="https://aircconline.com/ijma/V13N2/13221ijma02.pdf">   <meta property="og:site_name" content="AIRCC" /> <meta property="og:type" content="article" /> <meta property="og:url" content="https://aircconline.com/abstract/ijma/v13n2/13221ijma02.html"/> <meta property="og:title" content="Blind Extraction of Digital Watermarking Algorithm for Color Images"/> <meta property="og:description" content="Digital watermark technology hides copyright information in digital images, effectively protecting the copyright of digital images. At present, the color image digital watermarking algorithm still has defects such as the inability to balance robustness, invisibility and the weak anti-attack ability. Aiming at the above problems, this paper studies the digital watermarking method based on discrete wavelet transform and discrete cosine transform. Then this paper proposes a color image blind digital watermarking algorithm based on QR code. First, convert the color image from RGB space to YCbCr space, extract the Y component and perform the second-level discrete wavelet transform. secondly, block the LL2 subband and perform the discrete cosine transform. finally, use the embedding method to convert the watermark information after the Arnold transform embedded in the block. The experimental results show that the PSNR of the color image embedded with the QR code is 56.7159 without being attacked. After being attacked, its PSNR and NC values are respectively 30dB and 0.95 or more, which proves that the algorithm has good robustness and can achieve watermarking blind extraction."/>   <meta name="google-site-verification" content="t8rHIcM8EfjIqfQzQ0IdYIiA9JxDD0uUZAitBCzsOIw" /> <meta name="yandex-verification" content="e3d2d5a32c7241f4" />  <style type="text/css"> .imagess { height:90px; text-align:left; margin:0px 5px 2px 8px; float:right; border:none; } a{ color:white; text-decoration:none; } ul li a{ font-weight:bold; color:#000; list-style:none; text-decoration:none; size:10px;} #button{ float: left; font-size: 17px; margin-left: 10px; height: 28px; width: 100px; background-color: #1e86c6; } </style> <link rel="stylesheet" type="text/css" href="../main.css" /> </head> <body> <div id="wap"> <div id="page"> <div id="top"> <table width="100%" cellspacing="0" cellpadding="0" > <tr><td colspan="3" valign="top"><img src="../ijma.gif" /></td></tr> </table> </div> <div id="menu"> <a href="http://airccse.org/journal/ijma.html">Home</a> <a href="http://airccse.org/journal/Editorialboard.html">Editorial</a> <a href="http://airccse.org/journal/Papersub.html">Submission</a> <a href="http://airccse.org/journal/ijma_index.html">Indexing</a> <a href="http://airccse.org/journal/Specialissue.html">Special Issue</a> <a href="http://airccse.org/journal/Contact.html">Contacts</a> <a href="http://airccse.org" target="_blank">AIRCC</a></div> <div id="content"> <div id="left"> <h2>Volume 13, Number 2</h2> <h4 style="text-align:center;height:auto;"><a>Blind Extraction of Digital Watermarking Algorithm for Color Images</a></h4> <h3>  Authors</h3> <p class="#left">Xuecheng Gong, Wanggen Li and Wang Jing, Anhui Normal University, China </p> <h3>  Abstract</h3> <p class="#left right" style="text-align:justify">Digital watermark technology hides copyright information in digital images, effectively protecting the copyright of digital images. At present, the color image digital watermarking algorithm still has defects such as the inability to balance robustness, invisibility and the weak anti-attack ability. Aiming at the above problems, this paper studies the digital watermarking method based on discrete wavelet transform and discrete cosine transform. Then this paper proposes a color image blind digital watermarking algorithm based on QR code. First, convert the color image from RGB space to YCbCr space, extract the Y component and perform the second-level discrete wavelet transform. secondly, block the LL2 subband and perform the discrete cosine transform. finally, use the embedding method to convert the watermark information after the Arnold transform embedded in the block. The experimental results show that the PSNR of the color image embedded with the QR code is 56.7159 without being attacked. After being attacked, its PSNR and NC values are respectively 30dB and 0.95 or more, which proves that the algorithm has good robustness and can achieve watermarking blind extraction. </p> <h3>  Keywords</h3> <p class="#left right" style="text-align:justify">QR Code, Color Image, Arnold Transform, Discrete Wavelet Transform, Discrete Wavelet Transform.</p><br> <button type="button" id="button"><a target="blank" href="/ijma/V13N2/13221ijma02.pdf">Full Text</a></button>   <button type="button" id="button"><a href="http://www.airccse.org/journal/ijma_current21.html">Volume 13</a></button> <br><br><br><br><br> </div> <div id="right"> <div class="menu_right"> <ul><li id="id"><a href="http://airccse.org/journal/ijma.html">Scope & Topics</a></li> <li><a href="http://airccse.org/ethics.html">Ethics</a></li> <li><a href="http://airccse.org/journal/ijma_archive.html">Archives</a></li> <li><a href="http://airccse.org/journal/ijma_cited.html">Most Cited Articles</a></li> <li><a href="http://airccse.org/journal/ijma.pdf" title="">Download leaflet</a></li> <li><a href="http://airccse.org/faq.html" target="_blank">FAQ</a></li> </ul> </div><br /> <p align="center"> </p> <p align="center"> </p> </div> <div class="clear"></div> <div id="footer"><table width="100%" ><tr><td height="25" colspan="2"><br /><p align="center">© AIRCC Publishing Corporation</p></td></table> </div> </div> </div> </div> </body> </html>