Coupled dictionary learning on common feature space for medical image super resolution.
Songze TangHaitao GuoNan ZhouLili HuangTianming ZhanPublished in: ICIP (2016)
Keyphrases
- image super resolution
- dictionary learning
- feature space
- sparse coding
- sparse representation
- feature vectors
- image representation
- dimensionality reduction
- natural images
- class specific
- image retrieval
- visual words
- high dimensional
- image classification
- mean shift
- generative model
- linear combination
- data points
- feature extraction
- unsupervised learning
- data sets
- gaussian mixture model
- low dimensional
- multiscale
- active learning
- image restoration
- pairwise
- image reconstruction
- principal component analysis
- feature selection