Discriminative Local Sparse Representation by Robust Adaptive Dictionary Pair Learning.
Yulin SunZhao ZhangWeiming JiangZheng ZhangLi ZhangShuicheng YanMeng WangPublished in: CoRR (2019)
Keyphrases
- sparse representation
- dictionary learning
- sparse codes
- sparse coding
- face recognition
- image classification
- group sparsity
- learning algorithm
- learning tasks
- compressed sensing
- prior knowledge
- signal processing
- image super resolution
- random projections
- negative matrix factorization
- sparse approximations
- feature extraction
- joint optimization
- active learning
- subspace learning
- unsupervised learning
- discriminative power
- higher order
- multi task
- data sets
- test images
- natural images