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Related papers: Long-Range Trajectories from Global and Local Moti…

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Trajectory analysis is essential in many applications. In this paper, we address the problem of representing motion trajectories in a highly informative way, and consequently utilize it for analyzing trajectories. Our approach first…

Computer Vision and Pattern Recognition · Computer Science 2017-04-27 Weiyao Lin , Yang Zhou , Hongteng Xu , Junchi Yan , Mingliang Xu , Jianxin Wu , Zicheng Liu

With the advancement in computer vision deep learning, systems now are able to analyze an unprecedented amount of rich visual information from videos to enable applications such as autonomous driving, socially-aware robot assistant and…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Junwei Liang

We propose a new representation of human body motion which encodes a full motion in a sequence of latent motion primitives. Recently, task generic motion priors have been introduced and propose a coherent representation of human motion…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Mathieu Marsot , Stefanie Wuhrer , Jean-Sebastien Franco , Anne Hélène Olivier

Identifying human actions in complex scenes is widely considered as a challenging research problem due to the unpredictable behaviors and variation of appearances and postures. For extracting variations in motion and postures, trajectories…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Tauseef Ali , Eissa Jaber Alreshidi

Predicting human motion in unstructured and dynamic environments is difficult as humans naturally exhibit complex behaviors that can change drastically from one environment to the next. In order to alleviate this issue, we propose to encode…

Robotics · Computer Science 2019-07-01 Philipp Kratzer , Marc Toussaint , Jim Mainprice

Human motion prediction is essential for the safe and smooth operation of mobile service robots and intelligent vehicles around people. Commonly used neural network-based approaches often require large amounts of complete trajectories to…

Robotics · Computer Science 2023-06-07 Yufei Zhu , Andrey Rudenko , Tomasz P. Kucner , Achim J. Lilienthal , Martin Magnusson

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

Human movement is goal-directed and influenced by the spatial layout of the objects in the scene. To plan future human motion, it is crucial to perceive the environment -- imagine how hard it is to navigate a new room with lights off.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Zhe Cao , Hang Gao , Karttikeya Mangalam , Qi-Zhi Cai , Minh Vo , Jitendra Malik

We consider the problem of segmenting objects in videos based on their motion and no other forms of supervision. Prior work has often approached this problem by using the principle of common fate, namely the fact that the motion of points…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Laurynas Karazija , Iro Laina , Christian Rupprecht , Andrea Vedaldi

This letter presents a novel approach to extract reliable dense and long-range motion trajectories of articulated human in a video sequence. Compared with existing approaches that emphasize temporal consistency of each tracked point, we…

Computer Vision and Pattern Recognition · Computer Science 2016-03-30 Yuanyuan Wu , Xiaohai He , Byeongkeun Kang , Haiying Song , Truong Q. Nguyen

We propose a method for representing motion information for video classification and retrieval. We improve upon local descriptor based methods that have been among the most popular and successful models for representing videos. The desired…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Zhenzhong Lan , Xuanchong Li , Ming Lin , Alexander G. Hauptmann

Mining the underlying patterns in gigantic and complex data is of great importance to data analysts. In this paper, we propose a motion pattern approach to mine frequent behaviors in trajectory data. Motion patterns, defined by a set of…

Computer Vision and Pattern Recognition · Computer Science 2015-01-06 Mahdi M. Kalayeh , Stephen Mussmann , Alla Petrakova , Niels da Vitoria Lobo , Mubarak Shah

Motion control is crucial for generating expressive and compelling video content; however, most existing video generation models rely mainly on text prompts for control, which struggle to capture the nuances of dynamic actions and temporal…

Video surveillance is a well researched area of study with substantial work done in the aspects of object detection, tracking and behavior analysis. With the abundance of video data captured over a long period of time, we can understand…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Huai-Qian Khor , John See

Activity analysis in which multiple people interact across a large space is challenging due to the interplay of individual actions and collective group dynamics. We propose an end-to-end approach for learning person trajectory…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Nazanin Mehrasa , Yatao Zhong , Frederick Tung , Luke Bornn , Greg Mori

Interpreting motion captured in image sequences is crucial for a wide range of computer vision applications. Typical estimation approaches include optical flow (OF), which approximates the apparent motion instantaneously in a scene, and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Tanner D. Harms , Steven L. Brunton , Beverley J. McKeon

We are concerned with retrieving a query person from multiple videos captured by a non-overlapping camera network. Existing methods often rely on purely visual matching or consider temporal constraints but ignore the spatial information of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Xin Zhang , Xiaohua Xie , Jianhuang Lai , Wei-Shi Zheng

Real-time motion detection in non-stationary scenes is a difficult task due to dynamic background, changing foreground appearance and limited computational resource. These challenges degrade the performance of the existing methods in…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Junjie Huang , Wei Zou , Zheng Zhu , Jiagang Zhu

Deciphering human behaviors to predict their future paths/trajectories and what they would do from videos is important in many applications. Motivated by this idea, this paper studies predicting a pedestrian's future path jointly with…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Junwei Liang , Lu Jiang , Juan Carlos Niebles , Alexander Hauptmann , Li Fei-Fei

We propose a new video representation in terms of an over-segmentation of dense trajectories covering the whole video. Trajectories are often used to encode long-temporal information in several computer vision applications. Similar to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Ijaz Akhter , Cheong Loong Fah , Richard Hartley
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