Coefficient difference based watermark detector in nonsubsampled contourlet transform domain.
Xiang-Yang WangSi-yu ZhangTao-tao WenHong-Ying YangPan-Pan NiuPublished in: Inf. Sci. (2019)
Keyphrases
- transform domain
- robust watermarking scheme
- spatial domain
- spread spectrum
- blind watermarking
- directional filter banks
- contourlet transform
- dct domain
- image blocks
- dct coefficients
- wavelet domain
- discrete cosine transform
- frequency domain
- digital images
- watermarked image
- discrete wavelet transform
- bit plane
- wavelet transform
- watermarking scheme
- shift invariant
- watermark embedding
- multiresolution
- hadamard transform
- wyner ziv video coding
- distributed video coding
- denoising
- multiscale
- image quality
- digital watermarking
- subband
- image denoising
- image watermarking
- geometric distortions
- low frequency