DCT-based image watermarking using subsampling

被引：193
|
作者：
Chu, WC [1 ]
机构：
[1] DoCoMo USA Labs, San Jose, CA 95110 USA
来源：
IEEE TRANSACTIONS ON MULTIMEDIA | 2003年 / 5卷 / 01期
关键词：
discrete cosine transform; image watermarking; subsampling;
D O I：
10.1109/TMM.2003.808816
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A DCT-based image watermarking algorithm is described, where the original image is not required for watermark recovery, and is achieved by inserting the watermark in subimages obtained through subsampling.
引用
收藏
页码：34 / 38
页数：5
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