English
Related papers

Related papers: Privacy-Preserving Image Classification Using Conv…

200 papers

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…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Rei Aso , Tatsuya Chuman , Hitoshi Kiya

In this paper, we propose a privacy-preserving image classification method that uses encrypted images and an isotropic network such as the vision transformer. The proposed method allows us not only to apply images without visual information…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 AprilPyone MaungMaung , Hitoshi Kiya

In this paper, we propose a privacy-preserving image classification method that is based on the combined use of encrypted images and the vision transformer (ViT). The proposed method allows us not only to apply images without visual…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Zheng Qi , AprilPyone MaungMaung , Yuma Kinoshita , Hitoshi Kiya

In this paper, we propose a novel learnable image encryption method for privacy-preserving deep neural networks (DNNs). The proposed method is carried out on the basis of block scrambling used in combination with data augmentation…

Cryptography and Security · Computer Science 2021-06-01 Tatsuya Chuman , Hitoshi Kiya

To ensure the privacy of sensitive data used in the training of deep learning models, a number of privacy-preserving methods have been designed by the research community. However, existing schemes are generally designed to work with textual…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Yuexin Xiang , Tiantian Li , Wei Ren , Tianqing Zhu , Kim-Kwang Raymond Choo

In this paper, we propose an encryption method for ConvMixer models with a secret key. Encryption methods for DNN models have been studied to achieve adversarial defense, model protection and privacy-preserving image classification.…

Cryptography and Security · Computer Science 2022-07-26 Ryota Iijima , Hitoshi Kiya

In this study, a perceptually hidden object-recognition method is investigated to generate secure images recognizable by humans but not machines. Hence, both the perceptual information hiding and the corresponding object recognition methods…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Koki Madono , Masayuki Tanaka , Masaki Onishi , Tetsuji Ogawa

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 scrambling image encryption using the vision transformer has been…

Cryptography and Security · Computer Science 2022-07-19 Tatsuya Chuman , Hitoshi Kiya

We propose a novel method for privacy-preserving fine-tuning vision transformers (ViTs) with encrypted images. Conventional methods using encrypted images degrade model performance compared with that of using plain images due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Kouki Horio , Kiyoshi Nishikawa , Hitoshi Kiya

We present a novel privacy-preserving scheme for deep neural networks (DNNs) that enables us not to only apply images without visual information to DNNs for both training and testing but to also consider data augmentation in the encrypted…

Cryptography and Security · Computer Science 2019-05-07 Warit Sirichotedumrong , Takahiro Maekawa , Yuma Kinoshita , Hitoshi Kiya

Conventional adversarial defenses reduce classification accuracy whether or not a model is under attacks. Moreover, most of image processing based defenses are defeated due to the problem of obfuscated gradients. In this paper, we propose a…

Machine Learning · Computer Science 2020-05-19 MaungMaung AprilPyone , Hitoshi Kiya

We propose a privacy-preserving framework for learning visual classifiers by leveraging distributed private image data. This framework is designed to aggregate multiple classifiers updated locally using private data and to ensure that no…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Ryo Yonetani , Vishnu Naresh Boddeti , Kris M. Kitani , Yoichi Sato

In recent years, privacy-preserving methods for deep learning have become an urgent problem. Accordingly, we propose the combined use of federated learning (FL) and encrypted images for privacy-preserving image classification under the use…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Teru Nagamori , Hitoshi Kiya

We propose an image identification scheme for double-compressed encrypted JPEG images that aims to identify encrypted JPEG images that are generated from an original JPEG image. To store images without any visual sensitive information on…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Kenta Iida , Hitoshi Kiya

Deep convolutional neural networks require large amounts of labeled data samples. For many real-world applications, this is a major limitation which is commonly treated by augmentation methods. In this work, we address the problem of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Christoph Reinders , Frederik Schubert , Bodo Rosenhahn

In this paper, we propose a novel content based-image retrieval scheme allowing the mixed use of encrypted and plain images for the first time. In the proposed scheme, images are encrypted by a block-scrambling method developed for…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Kenta Iida , Hitoshi Kiya

We propose a novel method for privacy-preserving deep neural networks (DNNs) with the Vision Transformer (ViT). The method allows us not only to train models and test with visually protected images but to also avoid the performance…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Teru Nagamori , Sayaka Shiota , Hitoshi Kiya

Applying encryption technology to image retrieval can ensure the security and privacy of personal images. The related researches in this field have focused on the organic combination of encryption algorithm and artificial feature…

Multimedia · Computer Science 2022-08-26 Zhixun Lu , Qihua Feng , Peiya Li

In this paper, we propose a privacy-preserving method with a secret key for convolutional neural network (CNN)-based speech classification tasks. Recently, many methods related to privacy preservation have been developed in image…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-09 Shoko Niwa , Sayaka Shiota , Hitoshi Kiya

A privacy-preserving clothing classification scheme is presented to enable secure occupant-centric control (OCC) systems. Although the utilization of camera images for HVAC control has been widely studied to optimize thermal comfort,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Tatsuya Chuman , Yousuke Udagawa , Hitoshi Kiya
‹ Prev 1 2 3 10 Next ›