Unbiased Group-Sparsity Sensing Using Quadratic Envelopes.
Marcus CarlssonJean-Yves TourneretHerwig WendtPublished in: CAMSAP (2019)
Keyphrases
- group sparsity
- structured sparsity
- sparse coding
- dictionary learning
- low rank
- sparse representation
- discriminative power
- pairwise
- objective function
- unsupervised learning
- natural images
- image classification
- compressive sensing
- linear combination
- high dimensional data
- missing data
- high order
- linear programming
- dimensionality reduction
- semi supervised