Image super-resolution by learning weighted convolutional sparse coding.
Jingwei HeLei YuZhou LiuWen YangPublished in: Signal Image Video Process. (2021)
Keyphrases
- sparse coding
- dictionary learning
- image super resolution
- sparse representation
- unsupervised learning
- natural images
- image classification
- linear combination
- learning algorithm
- image patches
- image representation
- object recognition
- visual words
- deep belief networks
- data sets
- feature space
- low resolution
- generative model
- em algorithm
- higher order
- supervised learning
- active learning
- reinforcement learning
- bayesian networks