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We propose a transformation network for generating visually-protected images for privacy-preserving DNNs. The proposed transformation network is trained by using a plain image dataset so that plain images are transformed into visually…

Image and Video Processing · Electrical Eng. & Systems 2020-08-10 Hiroki Ito , Yuma Kinoshita , Hitoshi Kiya

Human gait, which is a new biometric aimed to recognize individuals by the way they walk have come to play an increasingly important role in visual surveillance applications. In this paper a novel hybrid holistic approach is proposed to…

Computer Vision and Pattern Recognition · Computer Science 2011-09-01 L. R Sudha , Dr. R Bhavani

Research of adversarial attacks is important for AI security because it shows the vulnerability of deep learning models and helps to build more robust models. Adversarial attacks on images are most widely studied, which include noise-based…

Cryptography and Security · Computer Science 2024-10-14 Xiaopei Zhu , Peiyang Xu , Guanning Zeng , Yingpeng Dong , Xiaolin Hu

While deep neural networks have achieved remarkable success in various computer vision tasks, they often fail to generalize to new domains and subtle variations of input images. Several defenses have been proposed to improve the robustness…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Omid Poursaeed , Tianxing Jiang , Harry Yang , Serge Belongie , SerNam Lim

Anomaly detection is represented as an unsupervised learning to identify deviated images from normal images. In general, there are two main challenges of anomaly detection tasks, i.e., the class imbalance and the unexpectedness of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Shuting Yan , Pingping Chen , Honghui Chen , Huan Mao , Feng Chen , Zhijian Lin

Advanced persistent threats (APT) are stealthy, sophisticated, and unpredictable cyberattacks that can steal intellectual property, damage critical infrastructure, or cause millions of dollars in damage. Detecting APTs by monitoring…

Cryptography and Security · Computer Science 2020-03-06 Ghita Berrada , Sidahmed Benabderrahmane , James Cheney , William Maxwell , Himan Mookherjee , Alec Theriault , Ryan Wright

Implicit Neural Representations (INRs) are widely used for modeling continuous 2D images, enabling high-fidelity reconstruction, super-resolution, and compression. Architectures such as SIREN, WIRE, and FINER demonstrate their ability to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Weronika Jakubowska , Mikołaj Zieliński , Rafał Tobiasz , Krzysztof Byrski , Maciej Zięba , Dominik Belter , Przemysław Spurek

Learning transformation invariant representations of visual data is an important problem in computer vision. Deep convolutional networks have demonstrated remarkable results for image and video classification tasks. However, they have…

Computer Vision and Pattern Recognition · Computer Science 2017-03-02 Renata Khasanova , Pascal Frossard

In complex environments, infrared object detection exhibits broad applicability and stability across diverse scenarios. However, infrared object detection is vulnerable to both common corruptions and adversarial examples, leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Shiji Zhao , Shukun Xiong , Maoxun Yuan , Yao Huang , Ranjie Duan , Qing Guo , Jiansheng Chen , Haibin Duan , Xingxing Wei

Advanced Persistent Threat (APT) is challenging to detect due to prolonged duration, infrequent occurrence, and adept concealment techniques. Existing approaches primarily concentrate on the observable traits of attack behaviors, neglecting…

Cryptography and Security · Computer Science 2024-04-05 Xiaoxiao Liu , Fan Xu , Nan Wang , Qinxin Zhao , Dalin Zhang , Xibin Zhao , Jiqiang Liu

So-called unsupervised anomaly detection is better described as semi-supervised, as it assumes all training data are nominal. This assumption simplifies training but requires manual data curation, introducing bias and limiting adaptability.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Muhammad Aqeel , Shakiba Sharifi , Marco Cristani , Francesco Setti

Image translation based on a generative adversarial network (GAN-IT) is a promising method for the precise localization of abnormal regions in chest X-ray images (AL-CXR) even without the pixel-level annotation. However, heterogeneous…

Image and Video Processing · Electrical Eng. & Systems 2024-06-18 Kyungsu Kim , Seong Je Oh , Chae Yeon Lim , Ju Hwan Lee , Tae Uk Kim , Myung Jin Chung

Image denoising is a fundamental challenge in computer vision, with applications in photography and medical imaging. While deep learning-based methods have shown remarkable success, their reliance on specific noise distributions limits…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Dongjin Kim , Jaekyun Ko , Muhammad Kashif Ali , Tae Hyun Kim

Gait has been considered as a promising and unique biometric for person identification. Traditionally, gait data are collected using either color sensors, such as a CCD camera, depth sensors, such as a Microsoft Kinect, or inertial sensors,…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Qin Zou , Lihao Ni , Qian Wang , Qingquan Li , Song Wang

Adversarial images pose a severe security threat to multimodal large language models through prompt injection. Existing defenses largely lack a principled understanding of the underlying mechanisms and struggle to balance efficiency and…

Machine Learning · Computer Science 2026-05-26 Dongpeng Zhang , Ke Ma , Yangbangyan Jiang , Gaozheng Pei , Longtao Huang , Qianqian Xu , Qingming Huang

Backdoor attacks are an insidious security threat against machine learning models. Adversaries can manipulate the predictions of compromised models by inserting triggers into the training phase. Various backdoor attacks have been devised…

Computation and Language · Computer Science 2023-05-29 Xuanli He , Jun Wang , Benjamin Rubinstein , Trevor Cohn

Insider threats are a particularly tricky cybersecurity issue, especially in zero-trust architectures (ZTA) where implicit trust is removed. Although the rule of thumb is never trust, always verify, attackers can still use legitimate…

Cryptography and Security · Computer Science 2026-01-13 Gaurav Sarraf

The rapid increase in the use of IoT devices brings many benefits to the digital society, ranging from improved efficiency to higher productivity. However, the limited resources and the open nature of these devices make them vulnerable to…

Cryptography and Security · Computer Science 2021-09-07 Joseph Rose , Matthew Swann , Gueltoum Bendiab , Stavros Shiaeles , Nicholas Kolokotronis

Corporate insiders have control of material non-public preferential information (MNPI). Occasionally, the insiders strategically bypass legal and regulatory safeguards to exploit MNPI in their execution of securities trading. Due to a large…

Computational Finance · Quantitative Finance 2025-11-12 Krishna Neupane , Igor Griva

Deep neural networks have become the driving force of modern image recognition systems. However, the vulnerability of neural networks against adversarial attacks poses a serious threat to the people affected by these systems. In this paper,…

Machine Learning · Computer Science 2021-12-13 Seungyong Moon , Gaon An , Hyun Oh Song