Secure Sparse Representations in L0 Norm Minimization and Its Application to EtC Systems.
Takayuki NakachiHitoshi KiyaPublished in: ICSPCS (2019)
Keyphrases
- sparse representation
- norm minimization
- convex optimization
- dictionary learning
- image classification
- sparse coding
- high dimensional data
- unsupervised feature selection
- multiscale
- dimensionality reduction
- image representation
- image patches
- negative matrix factorization
- neural network
- pattern recognition
- data analysis
- data mining
- matrix completion