Privacy-Preserving near Neighbor Search via Sparse Coding with Ambiguation.
Behrooz RazeghiSohrab FerdowsiDimche KostadinovFlávio P. CalmonSlava VoloshynovskiyPublished in: ICASSP (2021)
Keyphrases
- signal processing
- privacy preserving
- sparse coding
- sparse representation
- dictionary learning
- vertically partitioned data
- privacy preservation
- natural images
- privacy preserving data mining
- pattern recognition
- image processing
- image classification
- data privacy
- unsupervised learning
- image patches
- image representation
- scalar product
- linear combination
- sensitive information
- private information
- computer vision
- privacy concerns
- privacy sensitive
- visual words
- differential privacy
- search queries
- spatial information
- high dimensional
- image segmentation
- decision trees
- data sets