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相关论文: A Deep Learning Approach to Video Anomaly Detectio…

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Automated surface inspection is an important task in many manufacturing industries and often requires machine learning driven solutions. Supervised approaches, however, can be challenging, since it is often difficult to obtain large amounts…

计算机视觉与模式识别 · 计算机科学 2018-11-19 Matthias Haselmann , Dieter P. Gruber , Paul Tabatabai

The existing methods for video anomaly detection mostly utilize videos containing identifiable facial and appearance-based features. The use of videos with identifiable faces raises privacy concerns, especially when used in a hospital or…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Pratik K. Mishra , Alex Mihailidis , Shehroz S. Khan

We propose a novel unsupervised approach based on a two-stage object-centric adversarial framework that only needs object regions for detecting frame-level local anomalies in videos. The first stage consists in learning the correspondence…

计算机视觉与模式识别 · 计算机科学 2020-11-16 Pankaj Raj Roy , Guillaume-Alexandre Bilodeau , Lama Seoud

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…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yang Wang , Jiaogen Zhou , Jihong Guan

This paper addresses the problem of joint detection and recounting of abnormal events in videos. Recounting of abnormal events, i.e., explaining why they are judged to be abnormal, is an unexplored but critical task in video surveillance,…

计算机视觉与模式识别 · 计算机科学 2017-09-27 Ryota Hinami , Tao Mei , Shin'ichi Satoh

Automating the analysis of surveillance video footage is of great interest when urban environments or industrial sites are monitored by a large number of cameras. As anomalies are often context-specific, it is hard to predefine events of…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Bo Li , Sam Leroux , Pieter Simoens

Automated surface-anomaly detection using machine learning has become an interesting and promising area of research, with a very high and direct impact on the application domain of visual inspection. Deep-learning methods have become the…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Domen Tabernik , Samo Šela , Jure Skvarč , Danijel Skočaj

Human actions that do not conform to usual behavior are considered as anomalous and such actors are called anomalous entities. Detection of anomalous entities using visual data is a challenging problem in computer vision. This paper…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Hamza Riaz , Muhammad Uzair , Habib Ullah

Video Anomaly Detection (VAD) automates the identification of unusual events, such as security threats in surveillance videos. In real-world applications, VAD models must effectively operate in cross-domain settings, identifying rare…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Yashika Jain , Ali Dabouei , Min Xu

In this article, we propose using deep learning and transformer architectures combined with classical machine learning algorithms to detect and identify text anomalies in texts. Deep learning model provides a very crucial context…

计算与语言 · 计算机科学 2022-11-28 Amir Jafari

Anomaly detection in video is a challenging computer vision problem. Due to the lack of anomalous events at training time, anomaly detection requires the design of learning methods without full supervision. In this paper, we approach…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Mariana-Iuliana Georgescu , Antonio Barbalau , Radu Tudor Ionescu , Fahad Shahbaz Khan , Marius Popescu , Mubarak Shah

Open Set Video Anomaly Detection (OpenVAD) aims to identify abnormal events from video data where both known anomalies and novel ones exist in testing. Unsupervised models learned solely from normal videos are applicable to any testing…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Yuansheng Zhu , Wentao Bao , Qi Yu

Video anomaly detection is often seen as one-class classification (OCC) problem due to the limited availability of anomaly examples. Typically, to tackle this problem, an autoencoder (AE) is trained to reconstruct the input with training…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Marcella Astrid , Muhammad Zaigham Zaheer , Jae-Yeong Lee , Seung-Ik Lee

We present a meta-learning framework for weakly supervised anomaly detection in videos, where the detector learns to adapt to unseen types of abnormal activities effectively when only video-level annotations of binary labels are available.…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Jaeyoo Park , Junha Kim , Bohyung Han

Anomaly detection consists in identifying, within a dataset, those samples that significantly differ from the majority of the data, representing the normal class. It has many practical applications, e.g. ranging from defective product…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Pankaj Mishra , Claudio Piciarelli , Gian Luca Foresti

We propose an efficient abnormal event detection model based on a lightweight masked auto-encoder (AE) applied at the video frame level. The novelty of the proposed model is threefold. First, we introduce an approach to weight tokens based…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Nicolae-Catalin Ristea , Florinel-Alin Croitoru , Radu Tudor Ionescu , Marius Popescu , Fahad Shahbaz Khan , Mubarak Shah

Automating the detection of anomalous events within long video sequences is challenging due to the ambiguity of how such events are defined. We approach the problem by learning generative models that can identify anomalies in videos using…

计算机视觉与模式识别 · 计算机科学 2016-12-16 Jefferson Ryan Medel , Andreas Savakis

Anomaly detection in images plays a significant role for many applications across all industries, such as disease diagnosis in healthcare or quality assurance in manufacturing. Manual inspection of images, when extended over a monotonously…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Vincent Wilmet , Sauraj Verma , Tabea Redl , Håkon Sandaker , Zhenning Li

We propose a lightweight and accurate method for detecting anomalies in videos. Existing methods used multiple-instance learning (MIL) to determine the normal/abnormal status of each segment of the video. Recent successful researches argue…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Yudai Watanabe , Makoto Okabe , Yasunori Harada , Naoji Kashima

Anomaly detection is referred to as a process in which the aim is to detect data points that follow a different pattern from the majority of data points. Anomaly detection methods suffer from several well-known challenges that hinder their…

机器学习 · 计算机科学 2021-08-31 Kasra Babaei , Zhi Yuan Chen , Tomas Maul