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Video anomaly detection (VAD) identifies suspicious events in videos, which is critical for crime prevention and homeland security. In this paper, we propose a simple but highly effective VAD method that relies on attribute-based…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Tal Reiss , Yedid Hoshen

We give an explicit algorithm and source code for constructing risk models based on machine learning techniques. The resultant covariance matrices are not factor models. Based on empirical backtests, we compare the performance of these…

Portfolio Management · Quantitative Finance 2019-04-10 Zura Kakushadze , Willie Yu

Video gaming streaming services are growing rapidly due to new services such as passive video streaming, e.g. Twitch.tv, and cloud gaming, e.g. Nvidia Geforce Now. In contrast to traditional video content, gaming content has special…

Multimedia · Computer Science 2020-05-05 Markus Utke , Saman Zadtootaghaj , Steven Schmidt , Sebastian Möller

We provide a comprehensive overview of adversarial machine learning focusing on two application domains, i.e., cybersecurity and computer vision. Research in adversarial machine learning addresses a significant threat to the wide…

Cryptography and Security · Computer Science 2021-07-08 Bowei Xi

Safety and security are essential for the admission and acceptance of automated and autonomous vehicles. Deep neural networks (DNNs) are widely used for perception and further components of the autonomous driving (AD) stack. However, they…

Cryptography and Security · Computer Science 2026-04-24 Svetlana Pavlitska , Christopher Gerking , J. Marius Zöllner

As the Internet is growing rapidly these years, the variant of malicious software, which often referred to as malware, has become one of the major and serious threats to Internet users. The dramatic increase of malware has led to a research…

Machine Learning · Computer Science 2020-04-10 Jingyun Jia

With the rapid growth of surveillance cameras in many public places to mon-itor human activities such as in malls, streets, schools and, prisons, there is a strong demand for such systems to detect violence events automatically. Au-tomatic…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Heyam M. Bin Jahlan , Lamiaa A. Elrefaei

Student mental health is an increasing concern in academic institutions, where stress can severely impact well-being and academic performance. Traditional assessment methods rely on subjective surveys and periodic evaluations, offering…

Machine Learning · Computer Science 2025-08-05 Md Sultanul Islam Ovi , Jamal Hossain , Md Raihan Alam Rahi , Fatema Akter

Currently, video behavior recognition is one of the most foundational tasks of computer vision. The 2D neural networks of deep learning are built for recognizing pixel-level information such as images with RGB, RGB-D, or optical flow…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Zihan Wang , Yang Yang , Zhi Liu , Yifan Zheng

Diffusion models have made significant strides in image generation, mastering tasks such as unconditional image synthesis, text-image translation, and image-to-image conversions. However, their capability falls short in the realm of video…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Gaurav Shrivastava , Abhinav Shrivastava

Recent advances in vision-language models (VLMs) have accelerated their application to indoor safety hazards assessment. However, existing benchmarks suffer from three fundamental limitations: (1) heavy reliance on synthetic datasets…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Qiucheng Yu , Ruijie Xu , Mingang Chen , Xuequan Lu , Jianfeng Dong , Chaochao Lu , Xin Tan

Recently, deep learning has been successfully applied to a variety of networking problems. A fundamental challenge is that when the operational environment for a learning-augmented system differs from its training environment, such systems…

Machine Learning · Computer Science 2020-10-09 Noga H. Rotman , Michael Schapira , Aviv Tamar

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

The increasing use of Machine Learning (ML) components embedded in autonomous systems -- so-called Learning-Enabled Systems (LESs) -- has resulted in the pressing need to assure their functional safety. As for traditional functional safety,…

Software Engineering · Computer Science 2023-01-16 Yi Dong , Wei Huang , Vibhav Bharti , Victoria Cox , Alec Banks , Sen Wang , Xingyu Zhao , Sven Schewe , Xiaowei Huang

To operate safely, an automated vehicle (AV) must anticipate how the environment around it will evolve. For that purpose, it is important to know which prediction models are most appropriate for every situation. Currently, assessment of…

Artificial Intelligence · Computer Science 2022-10-14 Manuel Muñoz Sánchez , Jos Elfring , Emilia Silvas , René van de Molengraft

Recent research has found that navigation systems usually assume that all roads are equally safe, directing drivers to dangerous routes, which led to catastrophic consequences. To address this problem, this paper aims to begin the process…

Human-Computer Interaction · Computer Science 2021-12-07 Runsheng Xu , Shibo Zhang , Yue Zhao , Peixi Xiong , Allen Yilun Lin , Brent Hecht , Jiaqi Ma

Video moderation, which refers to remove deviant or explicit content from e-commerce livestreams, has become prevalent owing to social and engaging features. However, this task is tedious and time consuming due to the difficulties…

Human-Computer Interaction · Computer Science 2021-09-09 Tan Tang , Yanhong Wu , Lingyun Yu , Yuhong Li , Yingcai Wu

Recent advances in vision-language models (VLMs) have enabled impressive generalization across diverse video understanding tasks under zero-shot settings. However, their capabilities in high-stakes industrial domains-where recognizing both…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Raiyaan Abdullah , Yogesh Singh Rawat , Shruti Vyas

Along with the increasing use of unmanned aerial vehicles (UAVs), large volumes of aerial videos have been produced. It is unrealistic for humans to screen such big data and understand their contents. Hence methodological research on the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Lichao Mou , Yuansheng Hua , Pu Jin , Xiao Xiang Zhu

Purpose: A profound education of novice surgeons is crucial to ensure that surgical interventions are effective and safe. One important aspect is the teaching of technical skills for minimally invasive or robot-assisted procedures. This…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Isabel Funke , Sören Torge Mees , Jürgen Weitz , Stefanie Speidel