%0 Journal Article %T New JPEG image authentication algorithm applied to multi-region tampering
适用于多区域篡改的JPEG图像认证算法 %A GAO Bao-jian %A FENG Feng %A HOU Ai-qin %A
高宝建 %A 冯峰 %A 侯爱琴 %J 计算机应用 %D 2009 %I %X A new method of distilling m bits abstract from the binary information sequence with the length of 2m-1 was proposed based on the coset decomposing theory of correct error coding.An important conclusion was proved that distortion of image block mean caused by JPEG lossy compression has a maximal value;a new image pre-processing method based on the conclusion was introduced and analyzed.Based on those,a new image authentication algorithm based on digital signature was proposed.It can distinguish between JPEG... %K image authentication %K tamper detection and location %K JPEG compression
图像认证 %K 篡改检测与定位 %K JPEG压缩 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=831E194C147C78FAAFCC50BC7ADD1732&aid=827D48C27FF3824425D6C566092B4E24&yid=DE12191FBD62783C&vid=771469D9D58C34FF&iid=B31275AF3241DB2D&sid=1A9481F9E49EB812&eid=15347EAE303D7206&journal_id=1001-9081&journal_name=计算机应用&referenced_num=1&reference_num=8