Learning block-structured incoherent dictionaries for sparse representation.
Yongqin ZhangJinsheng XiaoShuhong LiCaiyun ShiGuoxi XiePublished in: Sci. China Inf. Sci. (2015)
Keyphrases
- sparse representation
- dictionary learning
- single image super resolution
- sparse coding
- learning algorithm
- image classification
- face recognition
- learning tasks
- compressed sensing
- joint optimization
- reconstruction error
- sparse learning
- regularized least squares
- group sparsity
- sparse reconstruction
- compressive sensing
- image representation
- multiscale
- decision trees