{"id":8427,"date":"2013-09-10T09:26:00","date_gmt":"2013-09-10T08:26:00","guid":{"rendered":"http:\/\/amateurphotographer.co.uk\/uncategorized\/sudoku-saves-photographers-from-rights-theft-8427"},"modified":"2014-09-02T13:08:03","modified_gmt":"2014-09-02T12:08:03","slug":"sudoku-saves-photographers-from-rights-theft","status":"publish","type":"post","link":"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/","title":{"rendered":"Sudoku \u2018saves\u2019 photographers from rights theft"},"content":{"rendered":"

The method uses the permutation of rows and columns in Sudoku solutions to \u2018create and detect an invisible digital watermark that is overlaid on an image with a random distribution’, reports Inderscience Publishers<\/a>, a distributor of scientific journals.<\/p>\n

A valid Suduko solution is needed to embed the watermark and to detect it, according to the paper, entitled Anti-cropping digital image watermarking using Sudoku<\/em>.<\/p>\n

It is hoped that the system, published in the International Journal of Grid and Utility Computing<\/em>, will prevent attempts by copyright thieves to \u2018crop’ a digital watermark in more than nine out of ten cases.<\/p>\n

\u2018Many digital image watermarking schemes have been developed to embed copyright information into an image,’ explain the research team, based at Universiti Tun Hussein Onn Malaysia.<\/p>\n

\u2018However, an attacker may reuse parts of the watermarked image by cropping out unwanted parts.’<\/p>\n

Designed to thwart \u2018severe cropping’ of a watermark, the Sudoku solution is based on the permutation nature of the puzzle game that allows \u2018evenly distributed copies of watermark pieces in all parts of the cover image’. <\/p>\n

Using 9×9 Sudoku, the team say their system worked in 94% of cropping attempts.<\/p>\n

\u2018If the image pirate crops part of the image, then the chances are that enough of the watermark will remain elsewhere in the image that the complete watermark might be retrievable – provided that the precise and correct Sudoku solution is given,’ adds www.eurekalert.org<\/a>.<\/p>\n

\u2018Based on the relationship between full and partially recovered watermarks, the Sudoku solution will be able to discern whether a pirated image has the copyright owner’s watermark.’<\/p>\n","protected":false},"excerpt":{"rendered":"

A digital watermarking system based on the numerical puzzle Sudoku has been developed by scientists in Malaysia to help combat copyright theft.<\/p>\n","protected":false},"author":324,"featured_media":6569,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[39],"tags":[],"product-category":[],"class_list":["post-8427","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-photo-news"],"yoast_head":"\nSudoku \u2018saves\u2019 photographers from rights theft - Amateur Photographer<\/title>\n<meta name=\"description\" content=\"A digital watermarking system based on the numerical puzzle Sudoku has been developed by scientists in Malaysia to help combat copyright theft.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sudoku \u2018saves\u2019 photographers from rights theft\" \/>\n<meta property=\"og:description\" content=\"A digital watermarking system based on the numerical puzzle Sudoku has been developed by scientists in Malaysia to help combat copyright theft.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/\" \/>\n<meta property=\"og:site_name\" content=\"Amateur Photographer\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/www.facebook.com\/Amateur.photographer.magazine\" \/>\n<meta property=\"article:published_time\" content=\"2013-09-10T08:26:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-09-02T12:08:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/other.kelsey.host\/amateurphotographer\/wp-content\/uploads\/sites\/16\/2014\/03\/Copyright_graphic.web_.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"480\" \/>\n\t<meta property=\"og:image:height\" content=\"361\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Megan Graye\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@AP_Magazine\" \/>\n<meta name=\"twitter:site\" content=\"@AP_Magazine\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Megan Graye\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/\"},\"author\":{\"name\":\"Megan Graye\",\"@id\":\"https:\/\/other.kelsey.host\/amateurphotographer\/#\/schema\/person\/09a37c0ec6db00d983eb2045e99ff2f1\"},\"headline\":\"Sudoku \u2018saves\u2019 photographers from rights theft\",\"datePublished\":\"2013-09-10T08:26:00+00:00\",\"dateModified\":\"2014-09-02T12:08:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/\"},\"wordCount\":268,\"commentCount\":1,\"image\":{\"@id\":\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/other.kelsey.host\/amateurphotographer\/wp-content\/uploads\/sites\/16\/2014\/03\/Copyright_graphic.web_.jpg\",\"articleSection\":[\"Latest news\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/\",\"url\":\"https:\/\/other.kelsey.host\/amateurphotographer\/latest\/photo-news\/sudoku-saves-photographers-from-rights-theft\/\",\"name\":\"Sudoku \u2018saves\u2019 photographers from rights theft - 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