Wavelet-domain image shrinkage using variance field diffusion.
Zhenyu LiuJing TianLi ChenYongtao WangPublished in: ACPR (2011)
Keyphrases
- wavelet domain
- multiscale
- wavelet decomposition
- denoising
- wavelet coefficients
- image denoising
- denoising algorithm
- spatial domain
- wavelet domain hidden markov tree
- phase information
- multiresolution
- shift invariant
- wavelet transform
- discrete wavelet transform
- soft thresholding
- image watermarking scheme
- image data
- shrinkage functions
- human visual system
- image resolution enhancement
- speckle noise
- subband
- wavelet denoising
- image classification
- image segmentation
- image features
- input image
- wavelet basis
- image retrieval
- watermarking algorithm
- complex wavelet transform
- denoising methods
- high resolution
- gaussian noise
- edge detection
- nonlinear diffusion
- low level
- shift invariance
- high frequency
- noisy images
- sar images
- frequency domain
- natural images
- image quality
- similarity measure