Search Results for author: Hiroki Ito

Found 6 papers, 0 papers with code

Access Control with Encrypted Feature Maps for Object Detection Models

no code implementations29 Sep 2022 Teru Nagamori, Hiroki Ito, AprilPyone MaungMaung, Hitoshi Kiya

In an experiment, the protected models allowed authorized users to obtain almost the same performance as that of non-protected models but also with robustness against unauthorized access without a key.

Image Classification object-detection +1

Access Control of Semantic Segmentation Models Using Encrypted Feature Maps

no code implementations11 Jun 2022 Hiroki Ito, AprilPyone MaungMaung, Sayaka Shiota, Hitoshi Kiya

In this paper, we propose an access control method with a secret key for semantic segmentation models for the first time so that unauthorized users without a secret key cannot benefit from the performance of trained models.

Segmentation Semantic Segmentation

Access Control of Object Detection Models Using Encrypted Feature Maps

no code implementations1 Feb 2022 Teru Nagamori, Hiroki Ito, April Pyone Maung Maung, Hitoshi Kiya

In this paper, the use of encrypted feature maps is shown to be effective in access control of object detection models for the first time.

Image Classification Object +3

Access Control Using Spatially Invariant Permutation of Feature Maps for Semantic Segmentation Models

no code implementations3 Sep 2021 Hiroki Ito, MaungMaung AprilPyone, Hitoshi Kiya

In an experiment, the protected models were demonstrated to allow rightful users to obtain almost the same performance as that of non-protected models but also to be robust against access by unauthorized users without a key.

Image Classification Segmentation +1

Protecting Semantic Segmentation Models by Using Block-wise Image Encryption with Secret Key from Unauthorized Access

no code implementations20 Jul 2021 Hiroki Ito, MaungMaung AprilPyone, Hitoshi Kiya

Since production-level trained deep neural networks (DNNs) are of a great business value, protecting such DNN models against copyright infringement and unauthorized access is in a rising demand.

Image Classification Segmentation +1

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