A novel robust image watermarking in quaternion wavelet domain based on superpixel segmentation.
Pan-Pan NiuLi WangXin ShenSi-yu ZhangXiang-Yang WangPublished in: Multidimens. Syst. Signal Process. (2020)
Keyphrases
- wavelet domain
- multiscale
- robust image watermarking
- spatial domain
- wavelet coefficients
- denoising
- wavelet transform
- wavelet domain hidden markov tree
- multiresolution
- discrete wavelet transform
- shift invariant
- superpixels
- image denoising
- segmentation algorithm
- human visual system
- image segmentation
- unsupervised segmentation
- subband
- high frequency
- segmentation method
- level set
- wavelet decomposition
- complex wavelet transform
- object segmentation
- sar images
- image regions
- watermarking algorithm
- natural images
- frequency domain
- edge detection
- fourier transform
- texture segmentation
- motion estimation
- wavelet basis
- high level
- image processing
- autoregressive model
- region growing
- computer vision
- similarity measure
- image classification