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相关论文: Video Event Recognition and Anomaly Detection by C…

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This paper introduces an unsupervised framework to extract semantically rich features for video representation. Inspired by how the human visual system groups objects based on motion cues, we propose a deep convolutional neural network that…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Xunyu Lin , Victor Campos , Xavier Giro-i-Nieto , Jordi Torres , Cristian Canton Ferrer

Tracking using bio-inspired event cameras has drawn more and more attention in recent years. Existing works either utilize aligned RGB and event data for accurate tracking or directly learn an event-based tracker. The first category needs…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Xiao Wang , Shiao Wang , Chuanming Tang , Lin Zhu , Bo Jiang , Yonghong Tian , Jin Tang

Vision-based activity recognition is essential for security, monitoring and surveillance applications. Further, real-time analysis having low-quality video and contain less information about surrounding due to poor illumination, and…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Tej Singh , Dinesh Kumar Vishwakarma

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…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Mohammad Ali Etemadi Naeen , Hoda Mohammadzade , Saeed Bagheri Shouraki

Detecting rare events, those defined to give rise to high impact but have a low probability of occurring, is a challenge in a number of domains including meteorological, environmental, financial and economic. The use of machine learning to…

应用统计 · 统计学 2022-09-13 Santhosh Narayanan , Carsten Maple , Mark Hooper

Human action recognition refers to automatic recognizing human actions from a video clip. In reality, there often exist multiple human actions in a video stream. Such a video stream is often weakly-annotated with a set of relevant human…

计算机视觉与模式识别 · 计算机科学 2019-02-07 Qian Wang , Ke Chen

Event perception tasks such as recognizing and localizing actions in streaming videos are essential for scaling to real-world application contexts. We tackle the problem of learning actor-centered representations through the notion of…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Sathyanarayanan N. Aakur , Sudeep Sarkar

We propose a framework for semi-automated annotation of video frames where the video is of an object that at any point in time can be labeled as being in one of a finite number of discrete states. A Hidden Markov Model (HMM) is used to…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Lex Fridman , Bryan Reimer

Action parsing in videos with complex scenes is an interesting but challenging task in computer vision. In this paper, we propose a generic 3D convolutional neural network in a multi-task learning manner for effective Deep Action Parsing…

计算机视觉与模式识别 · 计算机科学 2016-02-11 Li Liu , Yi Zhou , Ling Shao

Semi-supervised and unsupervised systems provide operators with invaluable support and can tremendously reduce the operators load. In the light of the necessity to process large volumes of video data and provide autonomous decisions, this…

机器学习 · 统计学 2017-09-20 Olga Isupova , Danil Kuzin , Lyudmila Mihaylova

Understanding human activity and being able to explain it in detail surpasses mere action classification by far in both complexity and value. The challenge is thus to describe an activity on the basis of its most fundamental constituents,…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Timo Milbich , Miguel Bautista , Ekaterina Sutter , Bjorn Ommer

Process mining methods often analyze processes in terms of the individual end-to-end process runs. Process behavior, however, may materialize as a general state of many involved process components, which can not be captured by looking at…

数据库 · 计算机科学 2022-11-02 Bianka Bakullari , Wil M. P. van der Aalst

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…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Wenti Yin , Huaxin Zhang , Xiang Wang , Yuqing Lu , Yicheng Zhang , Bingquan Gong , Jialong Zuo , Li Yu , Changxin Gao , Nong Sang

Estimating geometric elements such as depth, camera motion, and optical flow from images is an important part of the robot's visual perception. We use a joint self-supervised method to estimate the three geometric elements. Depth network,…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Jianfeng Li , Junqiao Zhao , Shuangfu Song , Tiantian Feng

Autonomous highlight detection is crucial for enhancing the efficiency of video browsing on social media platforms. To attain this goal in a data-driven way, one may often face the situation where highlight annotations are not available on…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Minghao Xu , Hang Wang , Bingbing Ni , Riheng Zhu , Zhenbang Sun , Changhu Wang

Abnormal event detection, which refers to mining unusual interactions among involved entities, plays an important role in many real applications. Previous works mostly over-simplify this task as detecting abnormal pair-wise interactions.…

机器学习 · 计算机科学 2023-04-05 Bo Yan , Cheng Yang , Chuan Shi , Jiawei Liu , Xiaochen Wang

Evolving consumer demands and market trends have led to businesses increasingly embracing a production approach that prioritizes flexibility and customization. Consequently, factory workers must engage in tasks that are more complex than…

机器学习 · 计算机科学 2024-05-17 Issei Saito , Tomoaki Nakamura , Toshiyuki Hatta , Wataru Fujita , Shintaro Watanabe , Shotaro Miwa

Anomaly activities such as robbery, explosion, accidents, etc. need immediate actions for preventing loss of human life and property in real world surveillance systems. Although the recent automation in surveillance systems are capable of…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Snehashis Majhi , Srijan Das , Francois Bremond , Ratnakar Dash , Pankaj Kumar Sa

Automatic detection of traffic accidents is an important emerging topic in traffic monitoring systems. Nowadays many urban intersections are equipped with surveillance cameras connected to traffic management systems. Therefore, computer…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Hadi Ghahremannezhad , Hang Shi , Chengjun Liu

Detecting abnormal events in video is commonly framed as a one-class classification task, where training videos contain only normal events, while test videos encompass both normal and abnormal events. In this scenario, anomaly detection is…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Andra Acsintoae , Andrei Florescu , Mariana-Iuliana Georgescu , Tudor Mare , Paul Sumedrea , Radu Tudor Ionescu , Fahad Shahbaz Khan , Mubarak Shah