Image Restoration via Simultaneous Sparse Coding: Where Structured Sparsity Meets Gaussian Scale Mixture.
Weisheng DongGuangming ShiYi MaXin LiPublished in: Int. J. Comput. Vis. (2015)
Keyphrases
- image restoration
- group sparsity
- sparse coding
- structured sparsity
- dictionary learning
- regularization methods
- total variation
- image prior
- sparse representation
- edge preserving
- natural images
- linear combination
- generative model
- image classification
- regularization parameter
- regularization method
- unsupervised learning
- image processing
- gaussian mixture model
- markov random field
- image deblurring
- image patches
- compressive sensing
- blurred images
- image representation
- visual words
- super resolution
- maximum likelihood
- feature space
- computer vision
- group lasso
- low rank
- convex optimization
- scale space
- learning problems
- image denoising
- higher order
- denoising
- feature vectors
- high dimensional
- convex optimization problems
- object recognition
- expectation maximization