Keyphrases
- image restoration
- dictionary learning
- edge preserving
- total variation
- image processing
- super resolution
- image deblurring
- markov random field
- sparse representation
- regularization parameter
- sparse coding
- modified hopfield neural network
- higher order
- prior knowledge
- image prior
- degraded images
- regularization method
- unsupervised learning
- maximum likelihood
- denoising
- bayesian estimation
- machine learning
- neural network