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The rapid advancement of machine learning technologies raises questions about the security of machine learning models, with respect to both training-time (poisoning) and test-time (evasion, impersonation, and inversion) attacks. Models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Xinheng Xie , Kureha Yamaguchi , Margaux Leblanc , Simon Malzard , Varun Chhabra , Victoria Nockles , Yue Wu

In the past few years, the performance of road defect detection has been remarkably improved thanks to advancements on various studies on computer vision and deep learning. Although a large-scale and well-annotated datasets enhance the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Jongmin Yu , Duyong Kim , Younkwan Lee , Moongu Jeon

Aerial-ground person re-identification (AG-ReID) is fundamentally challenged by extreme viewpoint and distance discrepancies between aerial and ground cameras, which induce severe geometric distortions and invalidate the assumption of a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Kailash A. Hambarde , Hugo Proença

Insider threat is one of the most pressing threats in the field of information security as it leads to huge financial losses by the companies. Most of the proposed methods for detecting this threat require expensive and invasive equipment,…

Cryptography and Security · Computer Science 2020-05-07 Azamat Sultanov , Konstantin Kogos

The rapid expansion of cloud infrastructures and distributed identity systems has significantly increased the complexity and attack surface of modern enterprises. Traditional rule based or signature driven detection systems are often…

Cryptography and Security · Computer Science 2025-12-12 Venkata Tanuja Madireddy

APT, known as Advanced Persistent Threat, is a difficult challenge for cyber defence. These threats make many traditional defences ineffective as the vulnerabilities exploited by these threats are insiders who have access to and are within…

Cryptography and Security · Computer Science 2021-09-01 Mohammad Mamun , Kevin Shi

Deep Neural Networks (DNN) are known to be vulnerable to adversarial samples, the detection of which is crucial for the wide application of these DNN models. Recently, a number of deep testing methods in software engineering were proposed…

Machine Learning · Computer Science 2021-07-16 Zuohui Chen , Renxuan Wang , Jingyang Xiang , Yue Yu , Xin Xia , Shouling Ji , Qi Xuan , Xiaoniu Yang

We introduce the Visual Implicit Geometry Transformer (ViGT), an autonomous driving geometric model that estimates continuous 3D occupancy fields from surround-view camera rigs. ViGT represents a step towards foundational geometric models…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Arsenii Shirokov , Mikhail Kuznetsov , Danila Stepochkin , Egor Evdokimov , Daniil Glazkov , Nikolay Patakin , Anton Konushin , Dmitry Senushkin

Insider threats are the cyber attacks from within the trusted entities of an organization. Lack of real-world data and issue of data imbalance leave insider threat analysis an understudied research area. To mitigate the effect of skewed…

Cryptography and Security · Computer Science 2021-07-09 R G Gayathri , Atul Sajjanhar , Yong Xiang , Xingjun Ma

The external visual inspections of rolling stock's underfloor equipment are currently being performed via human visual inspection. In this study, we attempt to partly automate visual inspection by investigating anomaly inspection algorithms…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Yohei Baba , Takuro Hoshi , Ryosuke Mori , Gaurang Gavai

Enterprises and organizations are faced with potential threats from insider employees that may lead to serious consequences. Previous studies on insider threat detection (ITD) mainly focus on detecting abnormal users or abnormal time…

Cryptography and Security · Computer Science 2024-03-19 Xiangrui Cai , Yang Wang , Sihan Xu , Hao Li , Ying Zhang , Zheli Liu , Xiaojie Yuan

We introduce a novel approach to counter adversarial attacks, namely, image resampling. Image resampling transforms a discrete image into a new one, simulating the process of scene recapturing or rerendering as specified by a geometrical…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yue Cao , Tianlin Li , Xiaofeng Cao , Ivor Tsang , Yang Liu , Qing Guo

In the era of the Internet of Things (IoT) and data sharing, users frequently upload their personal information to enterprise databases to enjoy enhanced service experiences provided by various online services. However, the widespread…

Cryptography and Security · Computer Science 2024-11-05 Zilin Huang , Xiangyan Tang , Hongyu Li , Xinyi Cao , Jieren Cheng

Advanced Persistent Threats (APTs) represent a significant challenge in cybersecurity due to their sophisticated and stealthy nature. Traditional Intrusion Detection Systems (IDS) often fall short in detecting these multi-stage attacks.…

Cryptography and Security · Computer Science 2025-01-08 Atmane Ayoub Mansour Bahar , Kamel Soaid Ferrahi , Mohamed-Lamine Messai , Hamida Seba , Karima Amrouche

Data scarcity hinders the usability of data-dependent algorithms when tackling IoT intrusion detection (IID). To address this, we utilise the data rich network intrusion detection (NID) domain to facilitate more accurate intrusion detection…

Cryptography and Security · Computer Science 2023-01-25 Jiashu Wu , Hao Dai , Yang Wang , Kejiang Ye , Chengzhong Xu

Input transformation based defense strategies fall short in defending against strong adversarial attacks. Some successful defenses adopt approaches that either increase the randomness within the applied transformations, or make the defense…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Ankita Shukla , Pavan Turaga , Saket Anand

Finding local correspondences between images with different viewpoints requires local descriptors that are robust against geometric transformations. An approach for transformation invariance is to integrate out the transformations by…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Yuan Liu , Zehong Shen , Zhixuan Lin , Sida Peng , Hujun Bao , Xiaowei Zhou

The rapid advancement in generative AI models has enabled the creation of photorealistic images. At the same time, there are growing concerns about the potential misuse and dangers of generated content, as well as a pressing need for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Zhenhan Huang , Pin-Yu Chen , Tejaswini Pedapati , Jianxi Gao

Insider threats are one of the most damaging risk factors for the IT systems and infrastructure of a company or an organization; identification of insider threats has prompted the interest of the world academic research community, with…

Cryptography and Security · Computer Science 2021-09-07 Vasileios Koutsouvelis , Stavros Shiaeles , Bogdan Ghita , Gueltoum Bendiab

Reconstructing coherent 3D geometry and appearance from unposed multi-view images is a fundamental yet challenging problem in computer vision. Most existing visual geometry foundation models predict explicit geometry by regressing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Yuqi Wu , Tianyu Hu , Wenzhao Zheng , Yuanhui Huang , Haowen Sun , Jie Zhou , Jiwen Lu