Reducing the ciphertext expansion in image homomorphic encryption via linear interpolation technique.
Yunyu LiJiantao ZhouYuanman LiOscar C. AuPublished in: GlobalSIP (2015)
Keyphrases
- linear interpolation
- image data
- input image
- interpolation method
- encryption scheme
- optimization scheme
- post processing
- multiscale
- image processing
- ciphertext
- high quality
- image representation
- frequency domain
- privacy preserving
- image denoising
- public key
- data management
- high resolution
- image interpolation
- back projection
- preprocessing
- standard model
- databases