Graph Laplacian Regularization With Sparse Coding for Image Restoration and Representation.
Lingdao ShaDan SchonfeldJing WangPublished in: IEEE Trans. Circuits Syst. Video Technol. (2020)
Keyphrases
- image restoration
- sparse coding
- regularization parameter
- image representation
- manifold structure
- image classification
- natural images
- wiener filter
- total variation
- sparse representation
- linear combination
- markov random field
- image processing
- super resolution
- unsupervised learning
- regularization term
- image prior
- generative model
- multiscale
- point spread function
- feature space
- visual words
- image patches
- cross validation
- spectral clustering
- high dimensional
- euclidean space
- blurred images
- image retrieval
- training set
- higher order
- semi supervised learning