Keyphrases
- wavelet domain
- edge detection
- multiscale
- scale space
- wavelet coefficients
- denoising
- spatial domain
- wavelet transform
- noisy images
- discrete wavelet transform
- shift invariant
- image denoising
- human visual system
- wavelet decomposition
- subband
- multiresolution
- image processing
- edge detector
- zero crossing
- image enhancement
- sar images
- high frequency
- watermarking algorithm
- natural images
- anisotropic diffusion
- phase information
- image watermarking scheme
- wavelet domain hidden markov tree
- bit rate
- high resolution
- autoregressive model
- texture image retrieval
- complex wavelet transform
- order statistics filters
- visual quality
- noise removal
- image quality
- wavelet basis
- wavelet denoising
- feature vectors
- image segmentation