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Related papers: MVAD: A Multiple Visual Artifact Detector for Vide…

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Video anomaly detection (VAD) aims to discover behaviors or events deviating from the normality in videos. As a long-standing task in the field of computer vision, VAD has witnessed much good progress. In the era of deep learning, with the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Peng Wu , Chengyu Pan , Yuting Yan , Guansong Pang , Peng Wang , Yanning Zhang

The latest trend in anomaly detection is to train a unified model instead of training a separate model for each category. However, existing multi-class anomaly detection (MCAD) models perform poorly in multi-view scenarios because they…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Qianzi Yu , Yang Cao , Yu Kang

Video Action Detection (VAD) entails localizing and categorizing action instances within videos, which inherently consist of diverse information sources such as audio, visual cues, and surrounding scene contexts. Leveraging this multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Taein Son , Soo Won Seo , Jisong Kim , Seok Hwan Lee , Jun Won Choi

Video anomaly detection (VAD) with weak supervision has achieved remarkable performance in utilizing video-level labels to discriminate whether a video frame is normal or abnormal. However, current approaches are inherently limited to a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Peng Wu , Xuerong Zhou , Guansong Pang , Yujia Sun , Jing Liu , Peng Wang , Yanning Zhang

Single shot detectors that are potentially faster and simpler than two-stage detectors tend to be more applicable to object detection in videos. Nevertheless, the extension of such object detectors from image to video is not trivial…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 Jiajun Deng , Yingwei Pan , Ting Yao , Wengang Zhou , Houqiang Li , Tao Mei

Weakly supervised video anomaly detection (WS-VAD) is a crucial area in computer vision for developing intelligent surveillance systems. This system uses three feature streams: RGB video, optical flow, and audio signals, where each stream…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Yuta Kaneko , Abu Saleh Musa Miah , Najmul Hassan , Hyoun-Sup Lee , Si-Woong Jang , Jungpil Shin

Video prediction is a challenging task. The quality of video frames from current state-of-the-art (SOTA) generative models tends to be poor and generalization beyond the training data is difficult. Furthermore, existing prediction…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Vikram Voleti , Alexia Jolicoeur-Martineau , Christopher Pal

Although there have been notable advancements in video compression technologies in recent years, banding artifacts remain a serious issue affecting the quality of compressed videos, particularly on smooth regions of high-definition videos.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Qi Zheng , Li-Heng Chen , Chenlong He , Neil Berkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik , Yibo Fan , Zhengzhong Tu

Visual attributes in individual video frames, such as the presence of characteristic objects and scenes, offer substantial information for action recognition in videos. With individual 2D video frame as input, visual attributes extraction…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Yunfeng Wang , Wengang Zhou , Qilin Zhang , Houqiang Li

Audio-visual deepfake detection (AVD) is increasingly important as modern generators can fabricate convincing speech and video. Most current multimodal detectors are small, task-specific models: they work well on curated tests but scale…

Sound · Computer Science 2026-03-02 Songjun Cao , Yuqi Li , Yunpeng Luo , Jianjun Yin , Long Ma

In modern manufacturing, Visual Anomaly Detection (VAD) is essential for automated inspection and consistent product quality. Yet, increasingly dynamic and flexible production environments introduce key challenges: First, frequent product…

Machine Learning · Computer Science 2025-12-16 Haoyu Ren , Kay Koehle , Kirill Dorofeev , Darko Anicic

Video anomaly detection (VAD) has been paid increasing attention due to its potential applications, its current dominant tasks focus on online detecting anomalies% at the frame level, which can be roughly interpreted as the binary or…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Peng Wu , Jing Liu , Xiangteng He , Yuxin Peng , Peng Wang , Yanning Zhang

While today's video recognition systems parse snapshots or short clips accurately, they cannot connect the dots and reason across a longer range of time yet. Most existing video architectures can only process <5 seconds of a video without…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Chao-Yuan Wu , Yanghao Li , Karttikeya Mangalam , Haoqi Fan , Bo Xiong , Jitendra Malik , Christoph Feichtenhofer

VAD is a critical field in machine learning focused on identifying deviations from normal patterns in images, often challenged by the scarcity of anomalous data and the need for unsupervised training. To accelerate research and deployment…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Manuel Barusco , Francesco Borsatti , Arianna Stropeni , Davide Dalle Pezze , Gian Antonio Susto

Visual Anomaly Detection (VAD) has gained significant research attention for its ability to identify anomalous images and pinpoint the specific areas responsible for the anomaly. A key advantage of VAD is its unsupervised nature, which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Manuel Barusco , Francesco Borsatti , Davide Dalle Pezze , Francesco Paissan , Elisabetta Farella , Gian Antonio Susto

With the advancement of IPTV and HDTV technology, previous subtle errors in videos are now becoming more prominent because of the structure oriented and compression based artifacts. In this paper, we focus towards the development of a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-31 Md Mehedi Hasan , Tasneem Rahman , Kiok Ahn , Oksam Chae

In many intelligent systems, a network of agents collaboratively perceives the environment for better and more efficient situation awareness. As these agents often have limited resources, it could be greatly beneficial to identify the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Shuyue Lan , Zhilu Wang , Amit K. Roy-Chowdhury , Ermin Wei , Qi Zhu

This paper addresses the challenge of developing a robust audio-visual deepfake detection model. In practical use cases, new generation algorithms are continually emerging, and these algorithms are not encountered during the development of…

Sound · Computer Science 2024-08-20 Kyungbok Lee , You Zhang , Zhiyao Duan

Idling vehicle detection (IVD) can be helpful in monitoring and reducing unnecessary idling and can be integrated into real-time systems to address the resulting pollution and harmful products. The previous approach [13], a non-end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Xiwen Li , Rehman Mohammed , Tristalee Mangin , Surojit Saha , Ross T Whitaker , Kerry E. Kelly , Tolga Tasdizen

Free-view video (FVV) allows users to explore immersive video content from multiple views. However, delivering FVV poses significant challenges due to the uncertainty in view switching, combined with the substantial bandwidth and…

Multimedia · Computer Science 2025-01-24 Qiang Hu , Qihan He , Houqiang Zhong , Guo Lu , Xiaoyun Zhang , Guangtao Zhai , Yanfeng Wang