Privacy-Preserving Pattern Recognition Using Encrypted Sparse Representations in L0 Norm Minimization.
Takayuki NakachiYitu WangHitoshi KiyaPublished in: ICASSP (2020)
Keyphrases
- privacy preserving
- sparse representation
- norm minimization
- sparse coding
- convex optimization
- image classification
- dimensionality reduction
- face recognition
- image representation
- high dimensional data
- signal processing
- random projections
- image patches
- nearest neighbor
- sensitive data
- negative matrix factorization
- pattern recognition
- training set
- data privacy
- interior point methods
- data sets