Smart access control system by using sparse representation features.
Yuchen PanPublished in: Internet Technol. Lett. (2021)
Keyphrases
- sparse representation
- control system
- dictionary learning
- sparse coding
- piecewise smooth
- feature extraction
- signal processing
- basis vectors
- compressive sensing
- negative matrix factorization
- test images
- neural network
- compressed sensing
- reconstruction error
- image patches
- face recognition
- data sets
- high dimensional data
- image classification
- feature space
- random projections
- image processing
- joint optimization
- regularized least squares
- sparsity constraints
- sparse codes
- similarity measure
- machine learning
- sparse approximations