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Encryption-then-Compression (EtC) systems have been considered for the user-controllable privacy protection of social media like Twitter. The aim of this paper is to evaluate the security of block scrambling-based encryption schemes, which…

密码学与安全 · 计算机科学 2018-12-26 Tatsuya Chuman , Hitoshi Kiya

As long as human beings exist on this earth, there will be confidential images intended for limited audience. These images have to be transmitted in such a way that no unauthorized person gets knowledge of them. DNA sequences play a vital…

密码学与安全 · 计算机科学 2016-11-28 Grasha Jacob , A. Murugan

Machine learning with formal privacy-preserving techniques like Differential Privacy (DP) allows one to derive valuable insights from sensitive medical imaging data while promising to protect patient privacy, but it usually comes at a sharp…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Florian A. Hölzl , Daniel Rueckert , Georgios Kaissis

Privacy preserving machine learning is an active area of research usually relying on techniques such as homomorphic encryption or secure multiparty computation. Recent novel encryption techniques for performing machine learning using deep…

密码学与安全 · 计算机科学 2020-04-30 Alex Habeen Chang , Benjamin M. Case

Deep learning is widely applied to modern problems through neural networks, but the growing computational and energy demands of these models have driven interest in more efficient approaches. Spiking Neural Networks (SNNs), the third…

Privacy protection is a crucial issue in machine learning algorithms, and the current privacy protection is combined with traditional artificial neural networks based on real values. Spiking neural network (SNN), the new generation of…

神经与进化计算 · 计算机科学 2023-04-12 Jihang Wang , Dongcheng Zhao , Guobin Shen , Qian Zhang , Yi Zeng

In this paper, we propose a model protection method by using block-wise pixel shuffling with a secret key as a preprocessing technique to input images for the first time. The protected model is built by training with such preprocessed…

机器学习 · 计算机科学 2020-08-07 MaungMaung AprilPyone , Hitoshi Kiya

Image steganography camouflages secret messages in images by tampering image contents. There is a natural desire for hiding maximum secret information with the least possible distortions in the host image. This requires an algorithm that…

密码学与安全 · 计算机科学 2023-01-24 Laeeq Aslam Sandhu , Ebrahim Shahzad , Fatima Yaqoob , Sharjeel Abid Butt , Wasim Khan , I. M. Qureshi

Adversarial attacks can readily disrupt the image classification system, revealing the vulnerability of DNN-based recognition tasks. While existing adversarial perturbations are primarily applied to uncompressed images or compressed images…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Yang Sui , Zhuohang Li , Ding Ding , Xiang Pan , Xiaozhong Xu , Shan Liu , Zhenzhong Chen

Large training data and expensive model tweaking are standard features of deep learning for images. As a result, data owners often utilize cloud resources to develop large-scale complex models, which raises privacy concerns. Existing…

密码学与安全 · 计算机科学 2023-01-03 Sagar Sharma , Yuechun Gu , Keke Chen

This article presents block-wise image encryption for the vision transformer and its applications. Perceptual image encryption for deep learning enables us not only to protect the visual information of plain images but to also embed unique…

密码学与安全 · 计算机科学 2023-08-16 Hitoshi Kiya , Ryota Iijima , Teru Nagamori

Deep networks for visual recognition are known to leverage "easy to recognise" portions of objects such as faces and distinctive texture patterns. The lack of a holistic understanding of objects may increase fragility and overfitting. In…

计算机视觉与模式识别 · 计算机科学 2019-10-28 Ruth Fong , Andrea Vedaldi

The network-based machine learning algorithm is very powerful tools. However, it requires huge training dataset. Researchers often meet privacy issues when they collect image dataset especially for surveillance applications. A learnable…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Masayuki Tanaka

Recently, an image encryption algorithm based on scrambling and Vegin`ere cipher has been proposed. However, it was soon cryptanalyzed by Zhang et al. using a combination of chosen-plaintext attack and differential attack. This paper…

密码学与安全 · 计算机科学 2014-09-18 Li Zeng , Renren Liu , Leo Yu Zhang , Yuansheng Liu , Kwok-Wo Wong

In this paper, a novel image encryption algorithm, which involves a chaotic block image scrambling followed by a two-dimensional (2-D) discrete linear chirp transform, is proposed. The definition of the 2-D discrete linear chirp transform…

图像与视频处理 · 电气工程与系统科学 2018-07-10 Osama A. S. Alkishriwo

Private data, when published online, may be collected by unauthorized parties to train deep neural networks (DNNs). To protect privacy, defensive noises can be added to original samples to degrade their learnability by DNNs. Recently,…

机器学习 · 计算机科学 2025-01-16 Xueluan Gong , Yuji Wang , Yanjiao Chen , Haocheng Dong , Yiming Li , Mengyuan Sun , Shuaike Li , Qian Wang , Chen Chen

Holographic information hiding is a technique for embedding holograms or images into another hologram, used for copyright protection and steganography of holograms. Using deep neural networks, we offer a way to improve the visual quality of…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Tomoyoshi Shimobaba , Sota Oshima , Takashi Kakue , and Tomoyoshi Ito

The existing image embedding networks are basically vulnerable to malicious attacks such as JPEG compression and noise adding, not applicable for real-world copyright protection tasks. To solve this problem, we introduce a generative deep…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Qichao Ying , Hang Zhou , Xianhan Zeng , Haisheng Xu , Zhenxing Qian , Xinpeng Zhang

A new grayscale-based block scrambling image encryption scheme is presented to enhance the security of Encryption-then-Compression (EtC) systems, which are used to securely transmit images through an untrusted channel provider. The proposed…

密码学与安全 · 计算机科学 2018-12-18 Warit Sirichotedumrong , Tatsuya Chuman , Hitoshi Kiya

Deep neural networks (DNNs) are demonstrated to be vulnerable to universal perturbation, a single quasi-perceptible perturbation that can deceive the DNN on most images. However, the previous works are focused on using universal…

密码学与安全 · 计算机科学 2023-11-06 Donghua Wang , Wen Yao , Tingsong Jiang , Xiaoqian Chen