English
Related papers

Related papers: Real-Time Anomalous Behavior Detection and Localiz…

200 papers

Anomaly detection in surveillance videos remains a challenging task due to the diversity of abnormal events, class imbalance, and scene-dependent visual clutter. To address these issues, we propose a robust deep learning framework that…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Mohammad Ali Etemadi Naeen , Hoda Mohammadzade , Saeed Bagheri Shouraki

We address the problem of temporal localization of repetitive activities in a video, i.e., the problem of identifying all segments of a video that contain some sort of repetitive or periodic motion. To do so, the proposed method represents…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Giorgos Karvounas , Iason Oikonomidis , Antonis Argyros

Video anomaly detection is to determine whether there are any abnormal events, behaviors or objects in a given video, which enables effective and intelligent public safety management. As video anomaly labeling is both time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Yang Wang , Jiaogen Zhou , Jihong Guan

In this study, we formulate the task of Video Anomaly Detection as a probabilistic analysis of object bounding boxes. We hypothesize that the representation of objects via their bounding boxes only, can be sufficient to successfully…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Mia Siemon , Thomas B. Moeslund , Barry Norton , Kamal Nasrollahi

In high population cities, the gatherings of large crowds in public places and public areas accelerate or jeopardize people safety and transportation, which is a key challenge to the researchers. Although much research has been carried out…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Muhammad Siraj

Anomaly detection is a fundamental problem in data mining field with many real-world applications. A vast majority of existing anomaly detection methods predominately focused on data collected from a single source. In real-world…

Machine Learning · Computer Science 2019-08-13 Yuening Li , Ninghao Liu , Jundong Li , Mengnan Du , Xia Hu

Optimized scene representation is an important characteristic of a framework for detecting abnormalities on live videos. One of the challenges for detecting abnormalities in live videos is real-time detection of objects in a non-parametric…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Santhosh Kelathodi Kumaran , Debi Prosad Dogra , Partha Pratim Roy

Semi-supervised video anomaly detection (VAD) methods formulate the task of anomaly detection as detection of deviations from the learned normal patterns. Previous works in the field (reconstruction or prediction-based methods) suffer from…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Mohammad Baradaran , Robert Bergevin

Panoptic tracking enables pixel-level scene interpretation of videos by integrating instance tracking in panoptic segmentation. This provides robots with a spatio-temporal understanding of the environment, an essential attribute for their…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Juana Valeria Hurtado , Sajad Marvi , Rohit Mohan , Abhinav Valada

The severity of sustained injury resulting from assault-related violence can be minimised by reducing detection time. However, it has been shown that human operators perform poorly at detecting events found in video footage when presented…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Kaelon Lloyd , David Marshall , Simon C. Moore , Paul L. Rosin

This paper proposes a novel approach for crowd counting in low to high density scenarios in static images. Current approaches cannot handle huge crowd diversity well and thus perform poorly in extreme cases, where the crowd density in…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Usman Sajid , Hasan Sajid , Hongcheng Wang , Guanghui Wang

Recent efforts towards video anomaly detection (VAD) try to learn a deep autoencoder to describe normal event patterns with small reconstruction errors. The video inputs with large reconstruction errors are regarded as anomalies at the test…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Yuandu Lai , Yahong Han , Yaowei Wang

The state-of-the art solutions for human activity understanding from a video stream formulate the task as a spatio-temporal problem which requires joint localization of all individuals in the scene and classification of their actions or…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Mahsa Ehsanpour , Alireza Abedin , Fatemeh Saleh , Javen Shi , Ian Reid , Hamid Rezatofighi

Research on video activity detection has primarily focused on identifying well-defined human activities in short video segments. The majority of the research on video activity recognition is focused on the development of large parameter…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Venkatesh Jatla , Sravani Teeparthi , Ugesh Egala , Sylvia Celedon Pattichis , Marios S. Patticis

In Pose-based Video Anomaly Detection prior art is rooted on the assumption that abnormal events can be mostly regarded as a result of uncommon human behavior. Opposed to utilizing skeleton representations of humans, however, we investigate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-30 Mia Siemon , Ivan Nikolov , Thomas B. Moeslund , Kamal Nasrollahi

Automatically describing a video with natural language is regarded as a fundamental challenge in computer vision. The problem nevertheless is not trivial especially when a video contains multiple events to be worthy of mention, which often…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Yehao Li , Ting Yao , Yingwei Pan , Hongyang Chao , Tao Mei

We present a transformer-based image anomaly detection and localization network. Our proposed model is a combination of a reconstruction-based approach and patch embedding. The use of transformer networks helps to preserve the spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Pankaj Mishra , Riccardo Verk , Daniele Fornasier , Claudio Piciarelli , Gian Luca Foresti

This paper presents a new method to describe spatio-temporal relations between objects and hands, to recognize both interactions and activities within video demonstrations of manual tasks. The approach exploits Scene Graphs to extract key…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Elena Merlo , Marta Lagomarsino , Edoardo Lamon , Arash Ajoudani

In this research we propose a deep learning approach for detecting anomalies in videos using convolutional autoencoder and decoder neural networks on the UCSD dataset.Our method utilizes a convolutional autoencoder to learn the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Gopikrishna Pavuluri , Gayathri Annem

A framework is proposed to detect anomalies in multi-modal data. A deep neural network-based object detector is employed to extract counts of objects and sub-events from the data. A cyclostationary model is proposed to model regular…

Signal Processing · Electrical Eng. & Systems 2018-07-19 Taposh Banerjee , Gene Whipps , Prudhvi Gurram , Vahid Tarokh