Image authentication by exact histogram specification

被引：1
|
作者：
Coltuc, D [1 ]
Chassery, JM [1 ]
Bolon, P [1 ]
机构：
[1] ENSIEG, LIS, Inst Natl Polytech Grenoble, F-38402 St Martin Dheres, France
来源：
2001 IEEE FOURTH WORKSHOP ON MULTIMEDIA SIGNAL PROCESSING | 2001年
关键词：
D O I：
10.1109/MMSP.2001.962782
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
The paper proposes a spatial domain watermarking scheme for image authentication and, in case image content has been changed, for localization of the altered area. A pseudo-random set of pixels is selected by using a secrete key and is marked with a visually meaningful watermark by exact histogram specification. The exact recovery of the watermark authenticates image. Specially designed watermarks are used to locate the altered area. Image visual aspect as well as image histogram are preserved. The approach addresses graylevel and color images as well.
引用
收藏
页码：499 / 504
页数：6
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