Hybrid priors based on weighted hyper-Laplacian with overlapping group sparsity for poisson noise removal.
Yuanna HeJianguang ZhuBinbin HaoPublished in: Signal Image Video Process. (2023)
Keyphrases
- noise removal
- group sparsity
- sparse coding
- edge detection
- structured sparsity
- anisotropic diffusion
- image enhancement
- denoising
- dictionary learning
- noise reduction
- natural images
- sparse representation
- low rank
- discriminative power
- linear combination
- gaussian noise
- image representation
- image classification
- multiscale
- generative model
- image processing
- unsupervised learning
- visual words
- image analysis
- high dimensional
- noisy images
- least squares
- wavelet transform
- pairwise