Sparse Representation of Higher-Order Functional Interaction Patterns in Task-Based FMRI Data.
Shu ZhangXiang LiJinglei LvXi JiangDajiang ZhuHanbo ChenTuo ZhangLei GuoTianming LiuPublished in: MICCAI (3) (2013)
Keyphrases
- sparse representation
- interaction patterns
- higher order
- dictionary learning
- content analysis
- sparse coding
- social network analysis
- image classification
- social interaction
- compressed sensing
- natural images
- joint optimization
- piecewise smooth
- compressive sensing
- signal processing
- cognitive style
- face recognition
- random projections
- regularized least squares
- image patches
- high order
- image representation
- pairwise
- dimensionality reduction
- interesting patterns
- high dimensional data
- online communities
- linear combination