Local thresholding with adaptive window shrinkage in the contourlet domain for image denoising.
Xiaohong ShenKai WangQiang GuoPublished in: Sci. China Inf. Sci. (2013)
Keyphrases
- image denoising
- denoising
- contourlet transform
- wavelet domain
- wavelet denoising
- image processing
- wavelet shrinkage
- noisy images
- natural images
- soft thresholding
- total variation
- partial differential equations
- denoising algorithm
- multiscale
- wavelet coefficients
- edge detection
- translation invariant
- frequency domain
- image segmentation
- discrete wavelet transform
- shift invariant
- sar images
- gaussian noise
- hard thresholding
- high quality
- wavelet packet
- feature space
- computer vision
- mathematical morphology
- gray level