Extracting Brain Regions from Rest fMRI with Total-Variation Constrained Dictionary Learning.
Alexandre AbrahamElvis DohmatobBertrand ThirionDimitris SamarasGaël VaroquauxPublished in: MICCAI (2) (2013)
Keyphrases
- total variation
- brain regions
- sparse coding
- sparse representation
- human brain
- image restoration
- image denoising
- functional magnetic resonance imaging
- denoising
- natural images
- brain activity
- brain images
- convex optimization
- diffusion tensor imaging
- regularization term
- cognitive states
- image processing
- brain tissue
- linear combination
- image classification
- subband
- unsupervised learning
- generative model
- computer vision
- image patches
- white matter
- face recognition
- machine learning
- information processing
- super resolution
- medical images