Tree-Guided Sparse Coding for Brain Disease Classification.
Manhua LiuDaoqiang ZhangPew-Thian YapDinggang ShenPublished in: MICCAI (3) (2012)
Keyphrases
- sparse coding
- dictionary learning
- image classification
- object category recognition
- sparse representation
- unsupervised learning
- natural images
- feature space
- pattern recognition
- linear combination
- feature extraction
- feature vectors
- generative model
- support vector machine
- supervised learning
- data sets
- image patches
- spatial pyramid matching
- sparse codes
- image representation
- visual words
- decision trees