Total variation, adaptive total variation and nonconvex smoothly clipped absolute deviation penalty for denoising blocky images.
Aditya ChopraHeng LianPublished in: Pattern Recognit. (2010)
Keyphrases
- total variation
- denoising
- total variation regularization
- blind deconvolution
- convex optimization
- image denoising
- smooth regions
- image restoration
- gaussian noise
- vector valued images
- denoising methods
- natural images
- restored image
- image processing
- regularization methods
- edge preservation
- noisy images
- regularization term
- denoising algorithm
- input image
- fidelity term
- augmented lagrangian
- image deblurring
- partial differential equations
- absolute deviation
- object recognition
- edge detection
- noise removal
- nonlinear diffusion
- degraded images
- piecewise smooth
- objective function
- edge preserving
- scheduling problem
- super resolution
- image segmentation
- computer vision
- beltrami flow
- scalar valued