Statistical image watermark decoder using NSM-HMT in NSCT-FGPCET magnitude domain.
Xiangyang WangFanchen PengPanpan NiuHongying YangPublished in: J. Inf. Secur. Appl. (2022)
Keyphrases
- digital images
- multiscale
- image data
- wavelet domain
- noisy images
- input image
- image classification
- high resolution
- image analysis
- image representation
- watermarking technique
- image features
- edge detection
- phase information
- pixel values
- test images
- wavelet domain hidden markov tree
- multiresolution
- shift invariant
- image retrieval
- image segmentation
- gaussian mixture model
- computer vision
- wavelet coefficients
- maximum likelihood
- copyright protection
- super resolution
- fused image