Exploring human brain activation via nested sparse coding and functional operators.
Shu ZhangXiang LiLei GuoTianming LiuPublished in: ISBI (2017)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- brain activation
- natural images
- image classification
- linear combination
- human subjects
- unsupervised learning
- image representation
- generative model
- image patches
- human brain
- visual words
- brain activity
- small number
- semi supervised
- ground truth
- high dimensional
- data mining
- face recognition
- functional magnetic resonance imaging
- image segmentation