A Provable Approach for Double-Sparse Coding.
Thanh V. NguyenRaymond K. W. WongChinmay HegdePublished in: CoRR (2017)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- linear combination
- image classification
- discriminative power
- unsupervised learning
- generative model
- image representation
- feature space
- person re identification
- image patches
- group sparsity
- object category recognition
- visual words
- single image super resolution
- feature extraction
- sparse codes
- supervised learning
- input image
- semi supervised
- motion estimation
- ground truth
- sparsity constraints