A non-convex ternary variational decomposition and its application for image denoising.
Liming TangLiang WuZhuang FangChunyan LiPublished in: IET Signal Process. (2022)
Keyphrases
- image denoising
- total variation regularization
- image decomposition
- denoising
- total variation
- augmented lagrangian
- natural images
- noisy images
- convex optimization
- partial differential equations
- wavelet coefficients
- image processing
- wavelet packet
- denoising methods
- wavelet domain
- additive gaussian noise
- image deblurring
- minimization problems
- bilateral filtering
- undecimated wavelet transform
- nonlocal means
- denoising algorithm
- optical flow
- wavelet domain hidden markov tree
- constrained optimization
- wavelet transform
- frequency domain
- contourlet transform
- constrained optimization problems
- variational methods
- multiresolution
- optic flow
- computer vision
- image segmentation
- singularity detection
- subband