Sparse Representation With Kernels.
Shenghua GaoIvor Wai-Hung TsangLiang-Tien ChiaPublished in: IEEE Trans. Image Process. (2013)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- image classification
- reconstruction error
- dimensionality reduction
- image patches
- signal processing
- compressive sensing
- face recognition
- kernel function
- test images
- random projections
- image representation
- joint optimization
- compressed sensing
- feature space
- negative matrix factorization
- sparse approximations
- piecewise smooth
- high dimensional data
- support vector
- kernel methods
- multiple kernel learning
- data sets
- linear combination
- kernel learning
- gaussian kernels
- principal component analysis
- high resolution
- data analysis
- multiscale
- positive definite
- feature extraction
- image processing
- regularized least squares