A Privacy Preserving Method with a Random Orthogonal Matrix for
ConvMixer Models
- URL: http://arxiv.org/abs/2301.03843v1
- Date: Tue, 10 Jan 2023 08:21:19 GMT
- Title: A Privacy Preserving Method with a Random Orthogonal Matrix for
ConvMixer Models
- Authors: Rei Aso, Tatsuya Chuman and Hitoshi Kiya
- Abstract summary: A privacy preserving image classification method is proposed under the use of ConvMixer models.
The proposed method allows us to use the same classification accuracy as that of ConvMixer models without considering privacy protection.
- Score: 13.653940190782146
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: 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 divided into blocks, and then every block is encrypted
by using a random orthogonal matrix. Moreover, a ConvMixer model trained with
plain images is transformed by the random orthogonal matrix used for encrypting
test images, on the basis of the embedding structure of ConvMixer. The proposed
method allows us not only to use the same classification accuracy as that of
ConvMixer models without considering privacy protection but to also enhance
robustness against various attacks compared to conventional privacy-preserving
learning.
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