Exploring Brain Networks via Structured Sparse Representation of fMRI Data.
Qinghua ZhaoJianfeng LuJinglei LvXi JiangShijie ZhaoTianming LiuPublished in: MICCAI (1) (2016)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressive sensing
- image patches
- face recognition
- image classification
- dimensionality reduction
- reconstruction error
- signal processing
- test images
- compressed sensing
- random projections
- regularized least squares
- image representation
- negative matrix factorization
- high dimensional data
- joint optimization
- sparse approximations
- piecewise smooth
- basis vectors
- object tracking
- sparse reconstruction
- norm minimization
- sparsity constraints
- high dimensional