New inequalities on sparse representation in pairs of bases.
Guanlei XuXiaotong WangLijia ZhouXiaogang XuPublished in: IET Signal Process. (2013)
Keyphrases
- sparse representation
- sparse coefficients
- dictionary learning
- sparse coding
- image classification
- face recognition
- image patches
- compressive sensing
- compressed sensing
- joint optimization
- signal processing
- image representation
- random projections
- negative matrix factorization
- dimensionality reduction
- high dimensional data
- object tracking
- regularized least squares
- pairwise
- sparse approximations
- reconstruction error
- piecewise smooth
- test images
- data sets
- bag of words
- computer vision
- neural network
- natural images
- linear programming
- sparse reconstruction