Kernel Sparse Representation for Image Classification and Face Recognition.
Shenghua GaoIvor Wai-Hung TsangLiang-Tien ChiaPublished in: ECCV (4) (2010)
Keyphrases
- sparse representation
- image classification
- face recognition
- regularized least squares
- dictionary learning
- sparse coding
- feature extraction
- image representation
- kernel function
- compressed sensing
- joint optimization
- subspace learning
- bag of words
- image features
- compressive sensing
- random projections
- image patches
- kernel methods
- object tracking
- visual words
- test images
- kernel matrix
- feature space
- sparse reconstruction
- facial expressions
- sparse representation based classification
- sparse approximations
- illumination variations
- support vector
- multiscale
- principal component analysis
- reproducing kernel hilbert space
- similarity measure
- sparse codes