Luminance channel modulated watermarking of digital images

被引：0
|
作者：
Chu, CHH [1 ]
Wiltz, AW [1 ]
机构：
[1] Univ SW Louisiana, Ctr Adv Comp Studies, Lafayette, LA 70503 USA
来源：
WAVELET APPLICATIONS VI | 1999年 / 3723卷
关键词：
digital watermarking; wavelet transform;
D O I：
10.1117/12.342956
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Digital watermarking of digital images allow authentication of ownership and protection of intellectual property. We consider an algorithm wherein a luminance channel modulated watermark is embedded in the blue channel of a color image. The blue channel image is decomposed via a wavelet transform, and the embedding strength is varied depending on the resolution band. The resolution band weighting improves the algorithm's watermark recovery performance when distortion is introduced due to lossy compression.
引用
收藏
页码：437 / 445
页数：9
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