Simultaneous Sparse Approximation Using an Iterative Method with Adaptive Thresholding.
Shahrzad KianiSahar SadrizadehMahdi BoloursazFarokh MarvastiPublished in: CoRR (2017)
Keyphrases
- adaptive thresholding
- sparse approximation
- orthogonal matching pursuit
- linear combination
- noise model
- gaussian process
- sparse coding
- convex relaxation
- image segmentation
- machine learning
- ls svm
- convex optimization
- marginal likelihood
- carotid artery
- closed form
- image classification
- principal component analysis
- multiscale
- feature extraction
- feature selection