Blind Image Watermark Decoder in UDTCWT Domain Using Weibull Mixtures-Based Vector HMT.
Panpan NiuXin ShenTongtong WeiHongying YangXiang-Yang WangPublished in: IEEE Access (2020)
Keyphrases
- digital images
- image data
- multiscale
- image classification
- image representation
- watermarking technique
- input image
- noisy images
- test images
- image features
- singular values
- watermarked image
- contourlet domain
- image retrieval
- image segmentation
- contourlet transform
- feature vectors
- watermarking scheme
- similarity measure
- watermark embedding
- wavelet domain hidden markov tree
- statistical model
- high resolution
- pixel values
- subband
- hidden markov tree
- mixture model