Sensing Matrix Optimization Based on Equiangular Tight Frames With Consideration of Sparse Representation Error.
Huang BaiSheng LiXiongxiong HePublished in: IEEE Trans. Multim. (2016)
Keyphrases
- sparse representation
- reconstruction error
- joint optimization
- dictionary learning
- norm minimization
- sparse coding
- image classification
- compressive sensing
- face recognition
- compressed sensing
- high dimensional data
- negative matrix factorization
- random projections
- image patches
- signal processing
- dimensionality reduction
- regularized least squares
- low rank
- linear combination
- sparse codes
- sparse approximations
- sparsity constraints
- orthogonal matching pursuit
- neural network
- sparse signal representation
- test images
- semi supervised
- data analysis
- data mining