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Object detection is an essential step towards holistic scene understanding. Most existing object detection algorithms attend to certain object areas once and then predict the object locations. However, neuroscientists have revealed that…

计算机视觉与模式识别 · 计算机科学 2020-03-30 Shiyi Lan , Zhou Ren , Yi Wu , Larry S. Davis , Gang Hua

Anomaly detection in videos has been attracting an increasing amount of attention. Despite the competitive performance of recent methods on benchmark datasets, they typically lack desirable features such as modularity, cross-domain…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Keval Doshi , Yasin Yilmaz

When we say a person is texting, can you tell the person is walking or sitting? Emphatically, no. In order to solve this incomplete representation problem, this paper presents a sub-action descriptor for detailed action detection. The…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Cheng-Bin Jin , Shengzhe Li , Hakil Kim

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…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Mohammad Baradaran , Robert Bergevin

In this communication, we deal with the question of automatic target detection, recognition and tracking (ATD/R/T) algorithms performance assessment. We propose a complete methodology of evaluation which approaches objective image datasets…

图像与视频处理 · 电气工程与系统科学 2024-11-12 Jérôme Gilles , Stéphane Landeau , Tristan Dagobert , Philippe Chevalier , Eric Stiée , Damien Diaz , Jean-Luc Maillart

Visual sensory anomaly detection (AD) is an essential problem in computer vision, which is gaining momentum recently thanks to the development of AI for good. Compared with semantic anomaly detection which detects anomaly at the label level…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Xi Jiang , Guoyang Xie , Jinbao Wang , Yong Liu , Chengjie Wang , Feng Zheng , Yaochu Jin

Video relation detection forms a new and challenging problem in computer vision, where subjects and objects need to be localized spatio-temporally and a predicate label needs to be assigned if and only if there is an interaction between the…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Shuo Chen , Pascal Mettes , Cees G. M. Snoek

In this paper, we propose a new video object detector (VoD) method referred to as temporal feature aggregation and motion-aware VoD (TM-VoD), which produces a joint representation of temporal image sequences and object motion. The proposed…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Junho Koh , Jaekyum Kim , Younji Shin , Byeongwon Lee , Seungji Yang , Jun Won Choi

Video Anomaly Detection (VAD) is an open-set recognition task, which is usually formulated as a one-class classification (OCC) problem, where training data is comprised of videos with normal instances while test data contains both normal…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Ayush K. Rai , Tarun Krishna , Feiyan Hu , Alexandru Drimbarean , Kevin McGuinness , Alan F. Smeaton , Noel E. O'Connor

Part-level Action Parsing aims at part state parsing for boosting action recognition in videos. Despite of dramatic progresses in the area of video classification research, a severe problem faced by the community is that the detailed…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Xuanhan Wang , Xiaojia Chen , Lianli Gao , Lechao Chen , Jingkuan Song

Visual anomaly detection in multi-class settings poses significant challenges due to the diversity of object categories, the scarcity of anomalous examples, and the presence of camouflaged defects. In this paper, we propose PromptMAD, a…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Duncan McCain , Hossein Kashiani , Fatemeh Afghah

Accurate detection and tracking of objects is vital for effective video understanding. In previous work, the two tasks have been combined in a way that tracking is based heavily on detection, but the detection benefits marginally from the…

计算机视觉与模式识别 · 计算机科学 2018-11-28 Zheng Zhang , Dazhi Cheng , Xizhou Zhu , Stephen Lin , Jifeng Dai

Automatic security inspection using computer vision technology is a challenging task in real-world scenarios due to various factors, including intra-class variance, class imbalance, and occlusion. Most of the previous methods rarely solve…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Boying Wang , Libo Zhang , Longyin Wen , Xianglong Liu , Yanjun Wu

Unmanned Aerial Vehicles (UAVs) especially drones, equipped with vision techniques have become very popular in recent years, with their extensive use in wide range of applications. Many of these applications require use of computer vision…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Subrahmanyam Vaddi , Chandan Kumar , Ali Jannesari

Different from static images, videos contain additional temporal and spatial information for better object detection. However, it is costly to obtain a large number of videos with bounding box annotations that are required for supervised…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Zhongjie Yu , Gaoang Wang , Lin Chen , Sebastian Raschka , Jiebo Luo

The ever-evolving landscape of attacks, coupled with the growing complexity of ICT systems, makes crafting anomaly-based intrusion detectors (ID) and error detectors (ED) a difficult task: they must accurately detect attacks, and they…

密码学与安全 · 计算机科学 2024-02-15 Tommaso Puccetti , Andrea Ceccarelli

Video object detection has been an important yet challenging topic in computer vision. Traditional methods mainly focus on designing the image-level or box-level feature propagation strategies to exploit temporal information. This paper…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Fei He , Naiyu Gao , Jian Jia , Xin Zhao , Kaiqi Huang

We present a novel large-scale dataset for defect detection in a logistics setting. Recent work on industrial anomaly detection has primarily focused on manufacturing scenarios with highly controlled poses and a limited number of object…

In computer vision, an entity such as an image or video is often represented as a set of instance vectors, which can be SIFT, motion, or deep learning feature vectors extracted from different parts of that entity. Thus, it is essential to…

计算机视觉与模式识别 · 计算机科学 2016-04-28 Jianxin Wu , Bin-Bin Gao , Guoqing Liu

3D cameras have emerged as a critical source of information for applications in robotics and autonomous driving. These cameras provide robots with the ability to capture and utilize point clouds, enabling them to navigate their surroundings…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Vage Taamazyan , Alberto Dall'olio , Agastya Kalra