Joint Sparse Representation of Brain Activity Patterns in Multi-Task fMRI Data.
Mahdi RamezaniKris MarbleH. TrangIngrid S. JohnsrudePurang AbolmaesumiPublished in: IEEE Trans. Medical Imaging (2015)
Keyphrases
- sparse representation
- activity patterns
- multi task
- sparse learning
- joint optimization
- multi task learning
- sparse coding
- learning tasks
- face recognition
- multi class
- image classification
- feature selection
- dimensionality reduction
- gaussian processes
- image representation
- high dimensional data
- signal processing
- learning problems
- image patches
- transfer learning
- compressive sensing
- random projections
- nearest neighbor
- neural network
- machine learning
- multiscale
- semi supervised
- model selection