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Time series anomaly detection is critical in many real-world applications, where effective solutions must localize anomalous regions and support reliable decision-making under complex settings. However, most existing methods frame anomaly…

Machine Learning · Computer Science 2026-02-17 Xiaoyu Tao , Yuchong Wu , Mingyue Cheng , Ze Guo , Tian Gao

The shortest path between two concepts in a taxonomic ontology is commonly used to represent the semantic distance between concepts in the edge-based semantic similarity measures. In the past, the edge counting is considered to be the…

Artificial Intelligence · Computer Science 2015-06-09 Xinhua Zhu , Fei Li , Hongchao Chen , Qi Peng

Advanced Persistent Threats (APTs) are among the most challenging cyberattacks to detect. They are carried out by highly skilled attackers who carefully study their targets and operate in a stealthy, long-term manner. Because APTs exhibit…

Deep neural networks have been demonstrated to be vulnerable to adversarial attacks, where small perturbations intentionally added to the original inputs can fool the classifier. In this paper, we propose a defense method, Featurized…

Machine Learning · Computer Science 2018-10-02 Ruying Bao , Sihang Liang , Qingcan Wang

Recent advancements in weakly-supervised video anomaly detection have achieved remarkable performance by applying the multiple instance learning paradigm based on multimodal foundation models such as CLIP to highlight anomalous instances…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Wenti Yin , Huaxin Zhang , Xiang Wang , Yuqing Lu , Yicheng Zhang , Bingquan Gong , Jialong Zuo , Li Yu , Changxin Gao , Nong Sang

Removing fence occlusions from single images is a challenging task that degrades visual quality and limits downstream computer vision applications. Existing methods often fail on static scenes or require motion cues from multiple frames. To…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Kunal Swami , Sudha Velusamy , Chandra Sekhar Seelamantula

Auditory attention decoding (AAD) is the process of identifying the attended speech in a multi-talker environment using brain signals, typically recorded through electroencephalography (EEG). Over the past decade, AAD has undergone…

Sound · Computer Science 2025-07-08 Nhan Duc Thanh Nguyen , Huy Phan , Simon Geirnaert , Kaare Mikkelsen , Preben Kidmose

3D semantic segmentation is a critical task in many real-world applications, such as autonomous driving, robotics, and mixed reality. However, the task is extremely challenging due to ambiguities coming from the unstructured, sparse, and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Adriano Cardace , Pierluigi Zama Ramirez , Samuele Salti , Luigi Di Stefano

Semantic 3D building models are widely available and used in numerous applications. Such 3D building models display rich semantics but no fa\c{c}ade openings, chiefly owing to their aerial acquisition techniques. Hence, refining models'…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Olaf Wysocki , Eleonora Grilli , Ludwig Hoegner , Uwe Stilla

3D semantic segmentation is one of the most crucial tasks in driving perception. The ability of a learning-based model to accurately perceive dense 3D surroundings often ensures the safe operation of autonomous vehicles. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Qing Wu

An adversary can fool deep neural network object detectors by generating adversarial noises. Most of the existing works focus on learning local visible noises in an adversarial "patch" fashion. However, the 2D patch attached to a 3D object…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Yexin Duan , Jialin Chen , Xingyu Zhou , Junhua Zou , Zhengyun He , Jin Zhang , Wu Zhang , Zhisong Pan

Adversarial patches present significant challenges to the robustness of deep learning models, making the development of effective defenses become critical for real-world applications. This paper introduces DIFFender, a novel DIFfusion-based…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Xingxing Wei , Caixin Kang , Yinpeng Dong , Zhengyi Wang , Shouwei Ruan , Yubo Chen , Hang Su

Agentic frameworks are the software layer through which AI agents act in the world. Existing safety methods intervene on the model and therefore remain conditional on unverifiable properties of learned behavior. We introduce containment…

Artificial Intelligence · Computer Science 2026-05-12 Royce Moon , Lav R. Varshney

This paper proposes and studies a detection technique for adversarial scenarios (dubbed deterministic detection). This technique provides an alternative detection methodology in case the usual stochastic methods are not applicable: this can…

Machine Learning · Computer Science 2017-11-08 Kristiaan Pelckmans

Semi-supervised anomaly detection (AD) has shown great promise by effectively leveraging limited labeled data. However, existing methods are typically structured around scoring individual points or simple pairs. Such {point- or…

Machine Learning · Computer Science 2025-12-10 Jianling Gao , Chongyang Tao , Xuelian Lin , Junfeng Liu , Shuai Ma

Extensive research has demonstrated that deep neural networks (DNNs) are prone to adversarial attacks. Although various defense mechanisms have been proposed for image classification networks, fewer approaches exist for video-based models…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Nupur Thakur , Baoxin Li

Temporal action detection (TAD) aims to detect the semantic labels and boundaries of action instances in untrimmed videos. Current mainstream approaches are multi-step solutions, which fall short in efficiency and flexibility. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Shimin Chen , Chen Chen , Wei Li , Xunqiang Tao , Yandong Guo

Quantum-inspired tensor networks algorithms have shown to be effective and efficient models for machine learning tasks, including anomaly detection. Here, we propose a highly parallelizable quantum-inspired approach which we call SMT-AD…

Machine Learning · Computer Science 2026-04-09 Apimuk Sornsaeng , Si Min Chan , Wenxuan Zhang , Swee Liang Wong , Joshua Lim , Dario Poletti

Recent advances in deep neural networks have achieved state-of-the-art performance across vision and natural language processing tasks. In practice, however, most models are treated as monolithic black-box functions, limiting…

Logic in Computer Science · Computer Science 2026-04-10 Junyong Lee , Baek-Ryun Seong , Sang-Ki Ko , Andrew Ferraiuolo , Minwoo Kang , Hyuntae Jeon , Seungmin Lim , Jieung Kim

The emergence of agent-to-agent communication protocols mirrors the early internet: powerful connectivity with minimal security infrastructure. When AI agents communicate on behalf of users, every message crosses a trust boundary where the…

Cryptography and Security · Computer Science 2026-03-03 Sahar Abdelnabi , Amr Gomaa , Eugene Bagdasarian , Per Ola Kristensson , Reza Shokri
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