KFCE: A dictionary generation algorithm for sparse representation.
Zongbo XieJiuchao FengPublished in: Signal Process. (2009)
Keyphrases
- sparse representation
- generation algorithm
- dictionary learning
- sparse coding
- face recognition
- learned dictionary
- random projections
- high dimensional data
- object tracking
- image classification
- reconstruction error
- image patches
- compressed sensing
- negative matrix factorization
- sparse approximations
- signal processing
- compressive sensing
- dimensionality reduction
- regularized least squares
- image representation
- joint optimization
- test images
- piecewise smooth
- sparse codes
- image processing
- feature extraction
- image data
- norm minimization
- sparse reconstruction
- sparse coefficients