Multiscale Mining of fMRI Data with Hierarchical Structured Sparsity.
Rodolphe JenattonAlexandre GramfortVincent MichelGuillaume ObozinskiEvelyn EgerFrancis R. BachBertrand ThirionPublished in: SIAM J. Imaging Sci. (2012)
Keyphrases
- structured sparsity
- multiscale
- group sparsity
- statistical learning
- sparsity inducing
- natural images
- image processing
- group lasso
- learning problems
- image representation
- edge detection
- wavelet transform
- image segmentation
- wavelet coefficients
- text mining
- compressive sensing
- feature extraction
- pattern discovery
- regularization methods
- convex optimization problems
- data mining