Simultaneous sparse coding with Laplacian scale mixture prior for image restoration.
Xiaolei LuXuebin LüYongsheng ZuoPublished in: J. Electronic Imaging (2018)
Keyphrases
- sparse coding
- image restoration
- natural images
- sparse representation
- generative model
- image classification
- linear combination
- unsupervised learning
- total variation
- image prior
- mixture model
- edge preserving
- markov random field
- shift invariant
- image patches
- super resolution
- image processing
- feature space
- image deblurring
- regularization parameter
- image representation
- expectation maximization
- prior knowledge
- low resolution
- higher order
- blurred images
- maximum a posteriori
- visual words
- regularization method
- scale space
- gaussian mixture model
- degraded images
- probabilistic model
- high dimensional
- pairwise
- bag of words
- input image
- computer vision
- model selection