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IEICE TRANSACTIONS on Information

Image and Model Transformation with Secret Key for Vision Transformer

Hitoshi KIYA, Ryota IIJIMA, Aprilpyone MAUNGMAUNG, Yuma KINOSHITA

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Summary :

In this paper, we propose a combined use of transformed images and vision transformer (ViT) models transformed with a secret key. We show for the first time that models trained with plain images can be directly transformed to models trained with encrypted images on the basis of the ViT architecture, and the performance of the transformed models is the same as models trained with plain images when using test images encrypted with the key. In addition, the proposed scheme does not require any specially prepared data for training models or network modification, so it also allows us to easily update the secret key. In an experiment, the effectiveness of the proposed scheme is evaluated in terms of performance degradation and model protection performance in an image classification task on the CIFAR-10 dataset.

Publication
IEICE TRANSACTIONS on Information Vol.E106-D No.1 pp.2-11
Publication Date
2023/01/01
Publicized
2022/11/02
Online ISSN
1745-1361
DOI
10.1587/transinf.2022MUI0001
Type of Manuscript
Special Section INVITED PAPER (Special Section on Enriched Multimedia--Advanced Safety, Security and Convenience--)
Category

Authors

Hitoshi KIYA
  Tokyo Metropolitan University
Ryota IIJIMA
  Tokyo Metropolitan University
Aprilpyone MAUNGMAUNG
  Tokyo Metropolitan University
Yuma KINOSHITA
  Tokyo Metropolitan University

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