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Reversible Data Hiding (RDH) is a practical and efficient technique for information encryption. Among its methods, the Pixel-Value Ordering (PVO) algorithm and its variants primarily modify prediction errors to embed information. However,…

Cryptography and Security · Computer Science 2026-01-21 Yusen Zhang , Haoyun Xu , Jingwen Li

To improve storage and transmission, images are generally compressed. Vector quantization (VQ) is a popular compression method as it has a high compression ratio that suppresses other compression techniques. Despite this, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Haiju Fan , Xiaona Qin , Shuang Chen , Hubert P. H. Shum , Ming Li

Reversible adversarial examples (RAE) combine adversarial attacks and reversible data-hiding technology on a single image to prevent illegal access. Most RAE studies focus on achieving white-box attacks. In this paper, we propose a novel…

Cryptography and Security · Computer Science 2023-06-21 Haodong Zhang , Chi Man Pun , Xia Du

With the rapid development of Artificial Intelligence (AI), the problem of AI security has gradually emerged. Most existing machine learning algorithms may be attacked by adversarial examples. An adversarial example is a slightly modified…

Cryptography and Security · Computer Science 2018-10-19 Yingdi Wang , Wenjia Niu , Tong Chen , Yingxiao Xiang , Jingjing Liu , Gang Li , Jiqiang Liu

The popularity of various social platforms has prompted more people to share their routine photos online. However, undesirable privacy leakages occur due to such online photo sharing behaviors. Advanced deep neural network (DNN) based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Mingfu Xue , Shichang Sun , Zhiyu Wu , Can He , Jian Wang , Weiqiang Liu

The advanced RDH work focuses on both data encryption and image encryption which makes it more secure and free of errors. All previous methods embed data without encrypting the data which may subject to errors on the data extraction or…

Cryptography and Security · Computer Science 2014-08-05 Shilpa Sreekumar , Vincy Salam

Convolutional Neural Networks have achieved significant success across multiple computer vision tasks. However, they are vulnerable to carefully crafted, human-imperceptible adversarial noise patterns which constrain their deployment in…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Aamir Mustafa , Salman H. Khan , Munawar Hayat , Jianbing Shen , Ling Shao

Adding perturbations via utilizing auxiliary gradient information or discarding existing details of the benign images are two common approaches for generating adversarial examples. Though visual imperceptibility is the desired property of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Zihan Chen , Ziyue Wang , Junjie Huang , Wentao Zhao , Xiao Liu , Dejian Guan

Adversarial example detection is known to be an effective adversarial defense method. Black-box attack, which is a more realistic threat and has led to various black-box adversarial training-based defense methods, however, does not attract…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Yifei Gao , Zhiyu Lin , Yunfan Yang , Jitao Sang

Person re-identification (re-ID) is the task of matching person images across camera views, which plays an important role in surveillance and security applications. Inspired by great progress of deep learning, deep re-ID models began to be…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Zhibo Wang , Siyan Zheng , Mengkai Song , Qian Wang , Alireza Rahimpour , Hairong Qi

With the increasing prevalence of cloud computing platforms, ensuring data privacy during the cloud-based image related services such as classification has become crucial. In this study, we propose a novel privacypreserving image…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Jun Liu , Jiantao Zhou , Jinyu Tian , Weiwei Sun

Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

Though deep neural networks (DNNs) have shown superiority over other techniques in major fields like computer vision, natural language processing, robotics, recently, it has been proven that they are vulnerable to adversarial attacks. The…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Nupur Thakur , Yuzhen Ding , Baoxin Li

Adversarial attacks present a significant security risk to image recognition tasks. Defending against these attacks in a real-life setting can be compared to the way antivirus software works, with a key consideration being how well the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Haibo Zhang , Zhihua Yao , Kouichi Sakurai

Benefiting from its superior feature learning capabilities and efficiency, deep hashing has achieved remarkable success in large-scale image retrieval. Recent studies have demonstrated the vulnerability of deep hashing models to backdoor…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Ziqi Zhou , Menghao Deng , Yufei Song , Hangtao Zhang , Wei Wan , Shengshan Hu , Minghui Li , Leo Yu Zhang , Dezhong Yao

While deep neural networks have proven to be a powerful tool for many recognition and classification tasks, their stability properties are still not well understood. In the past, image classifiers have been shown to be vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Rima Alaifari , Giovanni S. Alberti , Tandri Gauksson

Malicious intelligent algorithms greatly threaten the security of social users' privacy by detecting and analyzing the uploaded photos to social network platforms. The destruction to DNNs brought by the adversarial attack sparks the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Jiawei Zhang , Jinwei Wang , Hao Wang , Xiangyang Luo

Data for deep learning should be protected for privacy preserving. Researchers have come up with the notion of learnable image encryption to satisfy the requirement. However, existing privacy preserving approaches have never considered the…

Image and Video Processing · Electrical Eng. & Systems 2019-08-01 MaungMaung AprilPyone , Warit Sirichotedumrong , Hitoshi Kiya

In spite of the enormous success of neural networks, adversarial examples remain a relatively weakly understood feature of deep learning systems. There is a considerable effort in both building more powerful adversarial attacks and…

Machine Learning · Computer Science 2022-08-16 Maciej Żelaszczyk , Jacek Mańdziuk

Among various methods of reversible data hiding (RDH) in JPEG images, the consideration in designing is only the image quality, but the image quality and the file size expansion are equally important in JPEG images. Based on this situation,…

Multimedia · Computer Science 2021-10-19 Zhaoxia Yin , Yuan Ji , Bin Luo