Image-adaptive watermarking based on perceptually shaping watermark blockwise.
Xinshan ZhuYong GaoYan ZhuPublished in: AsiaCCS (2006)
Keyphrases
- image processing operations
- watermarking technique
- watermarking method
- watermarking scheme
- image fidelity
- image authentication
- image watermarking
- digital watermark
- input image
- spread spectrum
- digital images
- watermarking algorithm
- image data
- geometric distortions
- geometric attacks
- watermark detection
- image processing
- copyright protection
- robust watermarking scheme
- fragile watermarking
- image watermarking scheme
- image blocks
- blind watermarking
- robust image watermarking
- lossy compression
- watermark embedding
- human visual perception
- watermarked image
- digital watermarking
- image segmentation
- embedded watermark
- jpeg compression
- additive noise
- video watermarking
- wavelet domain
- tampering detection
- human visual system
- test images