Four-Directional Total Variation With Overlapping Group Sparsity for Image Denosing.
Xianchun ZhouMengjia FanPublished in: IEEE Access (2021)
Keyphrases
- total variation
- regularization term
- denoising
- image restoration
- image denoising
- image representation
- image segmentation
- input image
- mumford shah
- image classification
- image features
- multiscale
- high resolution
- convex optimization
- test images
- image deblurring
- similarity measure
- high quality
- image processing
- edge detection
- regularization methods
- compressive sensing
- energy function
- augmented lagrangian