Improving the robustness of DCT-based image watermarking against JPEG compression.
Shinfeng D. LinShih-Chieh ShieJ. Y. GuoPublished in: Comput. Stand. Interfaces (2010)
Keyphrases
- image watermarking
- jpeg compression
- geometric attacks
- dct coefficients
- image watermarking scheme
- watermarking algorithm
- watermark embedding
- watermarked image
- spread spectrum
- discrete cosine transform
- digital images
- discrete wavelet transform
- watermarking scheme
- image compression
- geometric distortions
- gaussian noise
- digital image watermarking
- digital watermark
- dct domain
- additive noise
- copyright protection
- lossy compression
- image restoration
- transform domain
- peak signal to noise ratio
- digital watermarking
- signal processing
- compressed domain
- noise level
- noisy images
- feature vectors