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Tracking is one of the most important but still difficult tasks in computer vision and pattern recognition. The main difficulties in the tracking field are appearance variation and occlusion. Most traditional tracking methods set the…

计算机视觉与模式识别 · 计算机科学 2016-12-28 Jinho Lee , Brian Kenji Iwana , Shouta Ide , Seiichi Uchida

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

Detecting and segmenting individual objects, regardless of their category, is crucial for many applications such as action detection or robotic interaction. While this problem has been well-studied under the classic formulation of…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Achal Dave , Pavel Tokmakov , Deva Ramanan

Many applications such as autonomous navigation, urban planning and asset monitoring, rely on the availability of accurate information about objects and their geolocations. In this paper we propose to automatically detect and compute the…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Vladimir A. Krylov , Eamonn Kenny , Rozenn Dahyot

Significant progress has been made in Video Object Segmentation (VOS), the video object tracking task in its finest level. While the VOS task can be naturally decoupled into image semantic segmentation and video object tracking,…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Xuhua Huang , Jiarui Xu , Yu-Wing Tai , Chi-Keung Tang

A guiding robot aims to effectively bring people to and from specific places within environments that are possibly unknown to them. During this operation the robot should be able to detect and track the accompanied person, trying never to…

计算机视觉与模式识别 · 计算机科学 2023-07-31 Alberto Bacchin , Filippo Berno , Emanuele Menegatti , Alberto Pretto

Object segmentation and object tracking are fundamental research area in the computer vision community. These two topics are diffcult to handle some common challenges, such as occlusion, deformation, motion blur, and scale variation. The…

计算机视觉与模式识别 · 计算机科学 2019-04-29 Rui Yao , Guosheng Lin , Shixiong Xia , Jiaqi Zhao , Yong Zhou

A range of video modeling tasks, from optical flow to multiple object tracking, share the same fundamental challenge: establishing space-time correspondence. Yet, approaches that dominate each space differ. We take a step towards bridging…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Zhangxing Bian , Allan Jabri , Alexei A. Efros , Andrew Owens

A current limitation of video generative video models is that they generate plausible looking frames, but poor motion -- an issue that is not well captured by FVD and other popular methods for evaluating generated videos. Here we go beyond…

We propose an approach to detect flying objects such as UAVs and aircrafts when they occupy a small portion of the field of view, possibly moving against complex backgrounds, and are filmed by a camera that itself moves. Solving such a…

计算机视觉与模式识别 · 计算机科学 2015-12-14 Artem Rozantsev , Vincent Lepetit , Pascal Fua

Object proposals for detecting moving or static video objects need to address issues such as speed, memory complexity and temporal consistency. We propose an efficient Video Object Proposal (VOP) generation method and show its efficacy in…

计算机视觉与模式识别 · 计算机科学 2016-01-22 Subarna Tripathi , Serge Belongie , Youngbae Hwang , Truong Nguyen

In this paper we propose a novel approach for detecting and tracking objects in videos with variable background i.e. videos captured by moving cameras without any additional sensor. In a video captured by a moving camera, both the…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Kumar S. Ray , Vijayan K. Asari , Soma Chakraborty

The main challenge of Multiple Object Tracking (MOT) is the efficiency in associating indefinite number of objects between video frames. Standard motion estimators used in tracking, e.g., Long Short Term Memory (LSTM), only deal with single…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Jimuyang Zhang , Sanping Zhou , Jinjun Wang , Dong Huang

Motion is a fundamental cue for scene analysis and human activity understan- ding in videos. It can be encoded in trajectories for tracking objects and for action recognition, or in form of flow to address behaviour analysis in crowded…

计算机视觉与模式识别 · 计算机科学 2015-09-30 Eduardo M. Pereira , Jaime S. Cardoso , Ricardo Morla

Accurate location information is indispensable for the emerging applications of \ac{iov}, such as automatic driving and formation control. In the real scenario, vision-based localization has demonstrated superior performance to other…

系统与控制 · 电气工程与系统科学 2019-11-19 Fengzhuo Zhang , Kai Gu , Yuan Shen

This paper proposes a novel approach to create an automated visual surveillance system which is very efficient in detecting and tracking moving objects in a video captured by moving camera without any apriori information about the captured…

计算机视觉与模式识别 · 计算机科学 2017-06-09 Kumar S. Ray , Soma Chakraborty

Current approaches in Multiple Object Tracking (MOT) rely on the spatio-temporal coherence between detections combined with object appearance to match objects from consecutive frames. In this work, we explore MOT using object appearances as…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Andreu Girbau , Ferran Marqués , Shin'ichi Satoh

Spatiotemporal pairwise movement analysis involves identifying shared geographic-based behaviors between individuals within specific time frames. Traditionally, this task relies on sequence modeling and behavior analysis techniques applied…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Maria Cardei , Sabit Ahmed , Gretchen Chapman , Afsaneh Doryab

Recognizing group activities is challenging due to the difficulties in isolating individual entities, finding the respective roles played by the individuals and representing the complex interactions among the participants. Individual…

计算机视觉与模式识别 · 计算机科学 2015-03-20 Qiang Qiu , Rama Chellappa

Clustering trajectory data attracted considerable attention in the last few years. Most of prior work assumed that moving objects can move freely in an euclidean space and did not consider the eventual presence of an underlying road network…

机器学习 · 计算机科学 2013-10-22 Mohamed Khalil El Mahrsi , Fabrice Rossi