A new watermark decoder in DNST domain using singular values and gaussian-cauchy mixture-based vector HMT.
Xiang-Yang WangTao-tao WenXin ShenPanpan NiuHong-Ying YangPublished in: Inf. Sci. (2020)
Keyphrases
- singular values
- digital images
- noisy images
- wavelet domain
- singular value decomposition
- mixture model
- maximum likelihood
- em algorithm
- gaussian noise
- spatial domain
- object recognition
- watermarked image
- gaussian mixture model
- low rank
- wavelet transform
- motion estimation
- copyright protection
- natural images
- human visual system
- expectation maximization
- image compression
- denoising
- jpeg compression
- computer vision