BGGMM-HMT based locally optimum image watermark detector in high-order NSST difference domain.
Xiang-Yang WangXin ShenPan-Pan NiuHong-Ying YangPublished in: J. Vis. Commun. Image Represent. (2022)
Keyphrases
- high order
- digital images
- higher order
- multiscale
- noisy images
- watermarking technique
- image data
- edge detection
- input image
- image representation
- image segmentation
- pairwise
- wavelet domain
- image features
- image retrieval
- high resolution
- hidden markov tree
- copyright protection
- wavelet domain hidden markov tree
- statistical model
- segmentation algorithm
- hidden markov models
- spatial domain
- frequency domain
- gaussian noise
- fusion method
- image quality
- watermarking method
- image classification
- contourlet domain