Evaluation of K-SVD with different embedded sparse representation algorithms.
Jingjing LiuWanquan LiuQilin LiShiwei MaGuanghua ChenPublished in: ICNC-FSKD (2016)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- sparse coefficients
- sparse approximations
- image classification
- signal processing
- image patches
- learning algorithm
- image representation
- face recognition
- compressed sensing
- compressive sensing
- computer vision
- reconstruction error
- random projections
- joint optimization
- negative matrix factorization
- discriminative power
- image processing
- regularized least squares
- dimensionality reduction
- image segmentation
- test images
- image retrieval
- natural images