Recovering HRFs from overlapping ROIs in fMRI data using thresholding correlations for sparse dictionary learning.
Adnan ShahMuhammad Usman KhalidAbd-Krim SeghouanePublished in: EMBC (2015)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- object category recognition
- natural images
- sparsity constraints
- edge detection
- linear combination
- image segmentation
- image classification
- denoising
- image representation
- ground truth
- sparse representation based classification
- neural network
- dictionary learning for sparse
- sparse codes
- unsupervised learning
- medical images
- image processing
- machine learning