3 papers
cs.CR2023
Security Evaluation of Compressible and Learnable Image Encryption Against Jigsaw Puzzle Solver Attacks
Tatsuya Chuman, Nobutaka Ono, Hitoshi Kiya
Several learnable image encryption schemes have been developed for privacy-preserving image classification. This paper focuses on the security block-based image encryption methods…
cs.CV2023
A Privacy Preserving Method with a Random Orthogonal Matrix for ConvMixer Models
Rei Aso, Tatsuya Chuman, Hitoshi Kiya
In this paper, a privacy preserving image classification method is proposed under the use of ConvMixer models. To protect the visual information of test images, a test image is div…
cs.CR2022
Security Evaluation of Compressible Image Encryption for Privacy-Preserving Image Classification against Ciphertext-only Attacks
Tatsuya Chuman, Hitoshi Kiya
The security of learnable image encryption schemes for image classification using deep neural networks against several attacks has been discussed. On the other hand, block scrambli…