A New Total Variation Denoising Algorithm for Piecewise Constant Signals Based on Non-convex Penalty.
Donghao LvWeihua CaoWenkai HuMin WuPublished in: NCAA (2021)
Keyphrases
- piecewise constant
- total variation
- denoising algorithm
- denoising
- image denoising
- convex optimization
- noisy images
- piecewise smooth
- mumford shah
- level set
- natural images
- wavelet domain
- image processing
- level set method
- noise removal
- image deblurring
- curve evolution
- regularization term
- velocity field
- partial differential equations
- frequency domain
- mumford shah functional
- noise model
- fidelity term
- gaussian noise
- noise level
- mean shift
- objective function
- wavelet packet
- vector field
- wavelet coefficients
- image restoration
- motion estimation
- feature space
- high quality