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LangXAI is a framework that integrates Explainable Artificial Intelligence (XAI) with advanced vision models to generate textual explanations for visual recognition tasks. Despite XAI advancements, an understanding gap persists for…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Truong Thanh Hung Nguyen , Tobias Clement , Phuc Truong Loc Nguyen , Nils Kemmerzell , Van Binh Truong , Vo Thanh Khang Nguyen , Mohamed Abdelaal , Hung Cao

We study the safety problem for the next-generation access control (NGAC) model. We show that under mild assumptions it is coNP-complete, and under further realistic assumptions we give an algorithm for the safety problem that significantly…

Computational Complexity · Computer Science 2025-05-13 Brian Tan , Ewan S. D. Davies , Indrakshi Ray , Mahmoud A. Abdelgawad

Face detection and recognition benchmarks have shifted toward more difficult environments. The challenge presented in this paper addresses the next step in the direction of automatic detection and identification of people from outdoor…

Image classification has become one of the main tasks in the field of computer vision technologies. In this context, a recent algorithm called CapsNet that implements an approach based on activity vectors and dynamic routing between…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Rinat Mukhometzianov , Juan Carrillo

Face recognition algorithms have demonstrated very high recognition performance, suggesting suitability for real world applications. Despite the enhanced accuracies, robustness of these algorithms against attacks and bias has been…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Richa Singh , Akshay Agarwal , Maneet Singh , Shruti Nagpal , Mayank Vatsa

Combining multiple perceptual inputs and performing combinatorial reasoning in complex scenarios is a sophisticated cognitive function in humans. With advancements in multi-modal large language models, recent benchmarks tend to evaluate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Chao Wang , Luning Zhang , Zheng Wang , Yang Zhou

Advanced Persistent Threats (APTs) represent a growing menace to modern digital infrastructure. Unlike traditional cyberattacks, APTs are stealthy, adaptive, and long-lasting, often bypassing signature-based detection systems. This paper…

Cryptography and Security · Computer Science 2025-08-27 Sidahmed Benabderrahmane , Talal Rahwan

Automated content filtering and moderation is an important tool that allows online platforms to build striving user communities that facilitate cooperation and prevent abuse. Unfortunately, resourceful actors try to bypass automated filters…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Florian Stimberg , Ayan Chakrabarti , Chun-Ta Lu , Hussein Hazimeh , Otilia Stretcu , Wei Qiao , Yintao Liu , Merve Kaya , Cyrus Rashtchian , Ariel Fuxman , Mehmet Tek , Sven Gowal

One-time login process in conventional authentication systems does not guarantee that the identified user is the actual user throughout the session. However, it is necessary to re-verify the user identity periodically throughout a login…

Cryptography and Security · Computer Science 2018-03-07 Abbas Acar , Hidayet Aksu , A. Selcuk Uluagac , Kemal Akkaya

The obstacles of each security system combined with the increase of cyber-attacks, negatively affect the effectiveness of network security management and rise the activities to be taken by the security staff and network administrators. So,…

Cryptography and Security · Computer Science 2025-02-06 Mamoon A. Al Jbaar , Adel Jalal Yousif , Qutaiba I. Ali

Person re-identification is a basic subject in the field of computer vision. The traditional methods have several limitations in solving the problems of person illumination like occlusion, pose variation and feature variation under complex…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Hamed Alqahtani , Manolya Kavakli-Thorne , Charles Z. Liu

Social bots play a significant role in many online social networks (OSN) as they imitate human behavior. This fact raises difficult questions about their capabilities and potential risks. Given the recent advances in Generative AI (GenAI),…

Social and Information Networks · Computer Science 2024-05-06 Shaghayegh Najari , Davood Rafiee , Mostafa Salehi , Reza Farahbakhsh

Adversarial examples raise questions about whether neural network models are sensitive to the same visual features as humans. In this paper, we first detect adversarial examples or otherwise corrupted images based on a class-conditional…

Machine Learning · Computer Science 2020-02-19 Yao Qin , Nicholas Frosst , Sara Sabour , Colin Raffel , Garrison Cottrell , Geoffrey Hinton

Even though passwords are the most convenient means of authentication, they bring along themselves the threat of dictionary attacks. Dictionary attacks may be of two kinds: online and offline. While offline dictionary attacks are possible…

Cryptography and Security · Computer Science 2011-11-17 Vipul Goyal , Virendra Kumar , Mayank Singh , Ajith Abraham , Sugata Sanyal

Text-based machine learning models are vulnerable to an emerging class of Unicode-based adversarial examples capable of tricking a model into misreading text with potentially disastrous effects. The primary existing defense against these…

Cryptography and Security · Computer Science 2025-10-14 Nicholas Boucher , Jenny Blessing , Ilia Shumailov , Ross Anderson , Nicolas Papernot

Deep neural networks need to make robust inference in the presence of occlusion, background clutter, pose and viewpoint variations -- to name a few -- when the task of person re-identification is considered. Attention mechanisms have…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Jieming Zhou , Soumava Kumar Roy , Pengfei Fang , Mehrtash Harandi , Lars Petersson

Passwords are a good idea, in theory. They have the potential to act as a fairly strong gateway. In practice though, passwords are plagued with problems. They are (1) easily shared, (2) trivial to observe and (3) maddeningly elusive when…

Cryptography and Security · Computer Science 2015-08-25 Joseph Maguire , Karen Renaud

As artificial intelligence (AI) models are scaled up, new capabilities can emerge unintentionally and unpredictably, some of which might be dangerous. In response, dangerous capabilities evaluations have emerged as a new risk assessment…

Computers and Society · Computer Science 2023-10-03 Jide Alaga , Jonas Schuett

Face Recognition is a common problem in Machine Learning. This technology has already been widely used in our lives. For example, Facebook can automatically tag people's faces in images, and also some mobile devices use face recognition to…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Fares Jalled

With Artificial Intelligence (AI) influencing the decision-making process of sensitive applications such as Face Verification, it is fundamental to ensure the transparency, fairness, and accountability of decisions. Although Explainable…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Miriam Doh , Caroline Mazini Rodrigues , Nicolas Boutry , Laurent Najman , Matei Mancas , Hugues Bersini