A NEW METHOD FOR SELF-EMBEDDING IMAGE CONSTRUCTION

被引：0
|
作者：
Alipour, Ghafour [1 ]
Parsai, Manouchehr [2 ]
机构：
[1] Islamic Azad Univ, Hashtroud Branch, Hashtroud, Iran
[2] Univ Tehran, Tehran, Iran
来源：
THIRD INTERNATIONAL CONFERENCE ON COMPUTER ENGINEERING AND TECHNOLOGY (ICCET 2011) | 2011年
关键词：
DCT; Anti-tampering; LSB; Pixel; self-embedding;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, we introduce two algorithms for self-embedding an image into itself as a means for protecting the image content. After self-embedding, it is possible to recover portions of the image that have been cropped out, replaced, damaged, or otherwise tampered. The algorithms is based on transforming small 8x8 blocks using a DCT, quantizing the coefficients, and carefully encoding them in the least significant bits of other distant squares. This method provides a very high quality of reconstruction but it is very fragile.
引用
收藏
页码：65 / +
页数：2
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