Characterizing task-evoked and intrinsic functional networks from task-based fMRI data via two-stage sparse dictionary learning.
Huan LiuShijie ZhaoXi JiangShu ZhangXintao HuLei QuoTianming LiuPublished in: ISBI (2018)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- sparsity constraints
- natural images
- sparse codes
- image representation
- geometric structure
- object category recognition
- neural network
- image classification
- negative matrix factorization
- signal recovery
- sparse representation based classification