Autogrouped Sparse Representation for Visual Analysis.
Jiashi FengXiao-Tong YuanZilei WangHuan XuShuicheng YanPublished in: IEEE Trans. Image Process. (2014)
Keyphrases
- visual analysis
- sparse representation
- dictionary learning
- sparse coding
- image classification
- face recognition
- joint optimization
- information visualization
- dimensionality reduction
- signal processing
- high dimensional data
- data analysis
- compressive sensing
- sparse approximations
- compressed sensing
- image patches
- test images
- regularized least squares
- random projections
- image representation
- sparsity constraints
- sparse reconstruction
- denoising
- knowledge discovery
- image processing