Keyphrases
- covariance matrix
- differential privacy
- differentially private
- covariance matrices
- privacy preserving
- private data
- privacy guarantees
- principal component analysis
- sample size
- geometrical interpretation
- personal information
- privacy preservation
- data sharing
- high dimensional
- data privacy
- image processing
- machine learning
- correlation matrix
- random projections
- privacy preserving data mining
- data model
- objective function
- information retrieval