A global sparse gradient based coupled system for image denoising.
Rui ZhangXiangchu FengLixia YangLihong ChangXiaolong ZhuPublished in: Comput. Math. Appl. (2019)
Keyphrases
- image denoising
- denoising
- natural images
- noisy images
- total variation
- partial differential equations
- image processing
- wavelet domain
- wavelet coefficients
- bilateral filtering
- soft thresholding
- additive gaussian noise
- denoising algorithm
- wavelet domain hidden markov tree
- image deblurring
- denoising methods
- contourlet transform
- multiresolution
- undecimated wavelet transform
- object recognition
- nonlocal means
- edge preservation
- sparse representation
- noise level
- computer vision
- multiscale
- image inpainting
- higher order