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Related papers: Access Control of Semantic Segmentation Models Usi…

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In this paper, we propose an access control method that uses the spatially invariant permutation of feature maps with a secret key for protecting semantic segmentation models. Segmentation models are trained and tested by permuting selected…

Computer Vision and Pattern Recognition · Computer Science 2021-09-06 Hiroki Ito , MaungMaung AprilPyone , Hitoshi Kiya

In this paper, we propose an access control method with a secret key for object detection models for the first time so that unauthorized users without a secret key cannot benefit from the performance of trained models. The method enables us…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Teru Nagamori , Hiroki Ito , AprilPyone MaungMaung , Hitoshi Kiya

A novel method for access control with a secret key is proposed to protect models from unauthorized access in this paper. We focus on semantic segmentation models with the vision transformer (ViT), called segmentation transformer (SETR).…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Teru Nagamori , Ryota Iijima , Hitoshi Kiya

In this paper, we propose an access control method for object detection models. The use of encrypted images or encrypted feature maps has been demonstrated to be effective in access control of models from unauthorized access. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Teru Nagamori , Hiroki Ito , April Pyone Maung Maung , 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. However, conventional model protection…

Image and Video Processing · Electrical Eng. & Systems 2021-07-21 Hiroki Ito , MaungMaung AprilPyone , Hitoshi Kiya

This paper proposes a novel privacy-preserving semantic segmentation method that can use independent keys for each client and image. In the proposed method, the model creator and each client encrypt images using locally generated keys, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Mare Hirose , Shoko Imaizumi , Hitoshi Kiya

In this paper, we propose a model protection method for convolutional neural networks (CNNs) with a secret key so that authorized users get a high classification accuracy, and unauthorized users get a low classification accuracy. The…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 MaungMaung AprilPyone , Hitoshi Kiya

In this paper, we propose a block-wise image transformation method with a secret key for support vector machine (SVM) models. Models trained by using transformed images offer a poor performance to unauthorized users without a key, while…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Ryota Iijima , AprilPyone MaungMaung , Hitoshi Kiya

We propose a privacy-preserving semantic-segmentation method for applying perceptual encryption to images used for model training in addition to test images. This method also provides almost the same accuracy as models without any…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Homare Sueyoshi , Kiyoshi Nishikawa , Hitoshi Kiya

We propose a novel method for protecting trained models with a secret key so that unauthorized users without the correct key cannot get the correct inference. By taking advantage of transfer learning, the proposed method enables us to train…

Machine Learning · Computer Science 2021-03-08 MaungMaung AprilPyone , Hitoshi Kiya

In this paper, we propose a novel method for protecting convolutional neural network (CNN) models with a secret key set so that unauthorized users without the correct key set cannot access trained models. The method enables us to protect…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 AprilPyone MaungMaung , Hitoshi Kiya

Segmentation models have been found to be vulnerable to targeted and non-targeted adversarial attacks. However, the resulting segmentation outputs are often so damaged that it is easy to spot an attack. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Zhenhua Chen , Chuhua Wang , David J. Crandall

We propose an approach to semantic segmentation that achieves state-of-the-art supervised performance when applied in a zero-shot setting. It thus achieves results equivalent to those of the supervised methods, on each of the major semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wei Yin , Yifan Liu , Chunhua Shen , Baichuan Sun , Anton van den Hengel

Semantic segmentation, like other fields of computer vision, has seen a remarkable performance advance by the use of deep convolution neural networks. However, considering that neighboring pixels are heavily dependent on each other, both…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Hyojin Park , Jisoo Jeong , Youngjoon Yoo , Nojun Kwak

Membership inference attacks aim to infer whether a data record has been used to train a target model by observing its predictions. In sensitive domains such as healthcare, this can constitute a severe privacy violation. In this work we…

Cryptography and Security · Computer Science 2022-12-05 Tomas Chobola , Dmitrii Usynin , Georgios Kaissis

Semantic segmentation is a critical task in computer vision aiming to identify and classify individual pixels in an image, with numerous applications in for example autonomous driving and medical image analysis. However, semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Halil Ibrahim Aysel , Xiaohao Cai , Adam Prügel-Bennett

Semantic segmentation is a key computer vision task that has been actively researched for decades. In recent years, supervised methods have reached unprecedented accuracy, however they require many pixel-level annotations for every new…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Nir Zabari , Yedid Hoshen

Semantic segmentation aims to robustly predict coherent class labels for entire regions of an image. It is a scene understanding task that powers real-world applications (e.g., autonomous navigation). One important application, the use of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Yuxiang Zhang , Sachin Mehta , Anat Caspi

Annotating medical data for training AI models is often costly and limited due to the shortage of specialists with relevant clinical expertise. This challenge is further compounded by privacy and ethical concerns associated with sensitive…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Qinkai Yu , Chong Zhang , Gaojie Jin , Tianjin Huang , Wei Zhou , Wenhui Li , Xiaobo Jin , Bo Huang , Yitian Zhao , Guang Yang , Gregory Y. H. Lip , Yalin Zheng , Aline Villavicencio , Yanda Meng

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
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