Tsallis entropy based uncertainty relations on sparse representation for vector and matrix signals.
Guanlei XuXiaogang XuXiaotong WangPublished in: Inf. Sci. (2022)
Keyphrases
- sparse representation
- signal processing
- information theory
- dictionary learning
- sparse matrix
- reconstruction error
- sparse coding
- random projections
- sparse signal representation
- blind source separation
- image classification
- face recognition
- joint optimization
- sparse approximations
- compressed sensing
- image patches
- compressive sensing
- regularized least squares
- feature vectors
- negative matrix factorization
- sparse reconstruction
- image representation
- information theoretic
- image processing
- sparsity constraints
- singular value decomposition
- rows and columns
- computer vision
- pattern recognition
- object recognition
- singular values
- positive definite
- data analysis
- training set
- norm minimization
- test images
- sparse learning
- high dimensional data
- higher order
- dimensionality reduction