Voxel Selection in fMRI Data Analysis Based on Sparse Representation.
Yuanqing LiPraneeth NamburiZhuliang YuCuntai GuanJianfeng FengZhenghui GuPublished in: IEEE Trans. Biomed. Eng. (2009)
Keyphrases
- sparse representation
- data analysis
- high dimensional data
- dictionary learning
- sparse coding
- image patches
- data mining
- face recognition
- reconstruction error
- compressive sensing
- image classification
- signal processing
- functional magnetic resonance imaging
- compressed sensing
- random projections
- three dimensional
- regularized least squares
- joint optimization
- image representation
- dimensionality reduction
- negative matrix factorization
- machine learning
- human brain
- test images
- small number
- brain activation
- sparse approximations
- pairwise
- image processing
- computer vision
- norm minimization
- sparsity constraints
- sparse codes
- sparse coefficients