Keyphrases
- group sparsity
- image segmentation
- structured sparsity
- sparse coding
- dictionary learning
- low rank
- markov random field
- sparse representation
- multiscale
- discriminative power
- image processing
- graph cuts
- compressive sensing
- active contours
- computer vision
- energy function
- segmentation method
- singular value decomposition
- natural images
- expectation maximization
- linear combination
- image denoising
- learning models
- statistical learning
- level set
- high dimensional