Performance Enhancement for DWT-HMM Image Watermarking with Content-Adaptive Approach.
Jiangqun NiChuntao WangJiwu HuangRongyue ZhangPublished in: ICIP (2006)
Keyphrases
- image watermarking
- discrete wavelet transform
- hidden markov models
- jpeg compression
- copyright protection
- additive noise
- geometric attacks
- digital watermarking
- lossy compression
- watermarking algorithm
- multimedia content
- geometric distortions
- image processing
- low frequency
- multimedia data
- high frequency
- wavelet coefficients
- speech recognition
- image quality
- digital images
- multiresolution
- metadata
- wavelet domain
- watermarking technique
- video data
- signal processing