%0 Journal Article %T Digital Image Steganography Based on Tolerable Error Range
基于可容忍失真范围的数字图像隐写方法研究 %A LI Sheng %A ZHANG Xin-peng %A WANG Shuo-zhong %A
李晟 %A 张新鹏 %A 王朔中 %J 中国图象图形学报 %D 2007 %I %X Previous proposed steganographic schemes based on tolerable error range(TER) can restrict the distortion caused by data-hiding within an accepted range,but both the stego-image and the original cover image are necessary for extracting the secret message.This paper presents a novel TER-based steganographic scheme,in which JPEG compression under a certain quality factor is regarded as TER,and the modification caused by data-hiding on each pixel is less than that caused by JPEG compression.Furthermore,the JPEG version of a stego-image is completely the same as that of the corresponding original one.At receiver side,the embedded secret data can be extracted by subtracting the stego-image from its JPEG version,so that the original cover is needless.Experimental results show that the presented scheme can gain a stego-image which is superior to its JPEG version in quality,and possesses a capability of withstanding the statistical analysis. %K steganography %K JPEG compression %K tolerable error range(TER)
隐写 %K JPEG压缩 %K 可容忍失真范围 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=D06194629680C940ACE75262F54B9D85&aid=E2E3099F1FD81AF4&yid=A732AF04DDA03BB3&vid=59906B3B2830C2C5&iid=0B39A22176CE99FB&sid=D2742EEE6F4DF8FE&eid=F9F74EC1AA08A7B9&journal_id=1006-8961&journal_name=中国图象图形学报&referenced_num=0&reference_num=10