Refractive error detection via group sparse representation.
Qin LiJinghua WangJane YouBob ZhangFakhri KarrayPublished in: AIS (2010)
Keyphrases
- sparse representation
- error detection
- error correction
- dictionary learning
- sparse coding
- face recognition
- image patches
- image representation
- image classification
- compressed sensing
- compressive sensing
- reconstruction error
- signal processing
- high dimensional data
- joint optimization
- random projections
- negative matrix factorization
- pattern recognition
- regularized least squares
- fault isolation
- piecewise smooth
- fault tolerance
- sparse approximations
- feature extraction
- nearest neighbor
- machine learning
- test images
- sparse learning
- sparse coefficients