Semi-Fragile Image Watermarking Based on Block Mean Difference.
Dong-Hwan ShinJong-Weon KimJong-Uk ChoiPublished in: Security and Management (2003)
Keyphrases
- image watermarking
- jpeg compression
- watermarking algorithm
- dct coefficients
- digital watermarking
- watermarking technique
- spread spectrum
- jpeg images
- discrete wavelet transform
- watermarking scheme
- discrete cosine transform
- digital images
- copyright protection
- lossy compression
- geometric distortions
- wavelet domain
- transform domain
- signal processing
- peak signal to noise ratio
- gaussian noise
- compressed domain
- watermarked image
- high frequency
- watermark detection
- video analysis
- motion vectors