Optimal design of orders of DFrFTs for sparse representations.
Xiao-Zhi ZhangBingo Wing-Kuen LingRan TaoZhijing YangWai Lok WooSaeid SaneiKok Lay TeoPublished in: IET Signal Process. (2018)
Keyphrases
- optimal design
- sparse representation
- dictionary learning
- sparse coding
- compressed sensing
- compressive sensing
- object tracking
- reconstruction error
- image classification
- image patches
- negative matrix factorization
- random projections
- signal processing
- dimensionality reduction
- face recognition
- joint optimization
- image representation
- regularized least squares
- water supply
- sparse reconstruction
- test images
- linear combination
- higher order
- norm minimization
- knn
- data analysis