Estimation of hemodynamic response functions for un-delineated overlapping rois in fMRI data based on sparse dictionary learning.
Adnan ShahAbd-Krim SeghouanePublished in: ISBI (2013)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- group sparsity
- sparsity constraints
- object category recognition
- sparse codes
- pairwise
- higher order
- dimensionality reduction
- image classification
- image representation
- dictionary learning for sparse
- image processing
- signal recovery
- compressive sensing
- signal processing
- feature vectors
- face recognition