Public watermarking algorithm based on the polarity of DCT coefficients

被引：0
|
作者：
Yu, Pengfei [1 ]
Liu, Bing [2 ]
机构：
[1] Yunnan Univ, Sch Informat, Kunming, Yunnan, Peoples R China
[2] Yunnan Univ, Sch Software, Kunming, Yunnan, Peoples R China
来源：
ISDA 2006: SIXTH INTERNATIONAL CONFERENCE ON INTELLIGENT SYSTEMS DESIGN AND APPLICATIONS, VOL 2 | 2006年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper present a novel blind watermarking algorithm based on the AC coefficients distribution properties of an image's DCT transform. This method uses the signs of the DCT coefficients to represent the bit I and 0 respectively. Furthermore, the parameters of this scheme can be calculated since we analyze the round off errors caused by storing a watermarked image. The experiment results show that the algorithm is effective and robust to common image processing operations, such as JPEG lossy compression, cropping, lowpass filter and intensity transform.
引用
收藏
页码：277 / +
页数：3
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