Subcortical Brain Segmentation Based on a Novel Discriminative Dictionary Learning Method and Sparse Coding.
Xiang LiYing WeiYunlong ZhouBin HongPublished in: IEEE Access (2019)
Keyphrases
- dictionary learning
- sparse coding
- group sparsity
- sparse representation
- sparse codes
- unsupervised learning
- natural images
- object category recognition
- linear combination
- test images
- image patches
- discriminative power
- single image super resolution
- object recognition
- training data
- generative model
- ground truth
- image representation
- image processing
- knn
- visual words
- active learning
- pairwise
- sparsity constraints
- feature space