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Related papers: Viewpoint-Invariant Exercise Repetition Counting

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We present a novel method for recovering world-grounded human motion from monocular video. The main challenge lies in the ambiguity of defining the world coordinate system, which varies between sequences. Previous approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Zehong Shen , Huaijin Pi , Yan Xia , Zhi Cen , Sida Peng , Zechen Hu , Hujun Bao , Ruizhen Hu , Xiaowei Zhou

3D multi-person motion prediction is a challenging task that involves modeling individual behaviors and interactions between people. Despite the emergence of approaches for this task, comparing them is difficult due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Xiaogang Peng , Xiao Zhou , Yikai Luo , Hao Wen , Yu Ding , Zizhao Wu

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…

Computer Vision and Pattern Recognition · Computer Science 2019-05-08 Jimuyang Zhang , Sanping Zhou , Jinjun Wang , Dong Huang

Dynamic multi-person mesh recovery has broad applications in sports broadcasting, virtual reality, and video games. However, current multi-view frameworks rely on a time-consuming camera calibration procedure. In this work, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Buzhen Huang , Jingyi Ju , Yuan Shu , Yangang Wang

We develop a technique for generating smooth and accurate 3D human pose and motion estimates from RGB video sequences. Our method, which we call Motion Estimation via Variational Autoencoder (MEVA), decomposes a temporal sequence of human…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Zhengyi Luo , S. Alireza Golestaneh , Kris M. Kitani

Video repetition counting infers the number of repetitions of recurring actions or motion within a video. We propose an exemplar-based approach that discovers visual correspondence of video exemplars across repetitions within target videos.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Saptarshi Sinha , Alexandros Stergiou , Dima Damen

While automatic monitoring and coaching of exercises are showing encouraging results in non-medical applications, they still have limitations such as errors and limited use contexts. To allow the development and assessment of physical…

Machine Learning · Computer Science 2025-01-14 Sao Mai Nguyen , Maxime Devanne , Olivier Remy-Neris , Mathieu Lempereur , André Thepaut

Multiple cameras can provide comprehensive multi-view video coverage of a person. Fusing this multi-view data is crucial for tasks like behavioral analysis, although it traditionally requires camera calibration, a process that is often…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Yitao Zhu , Sheng Wang , Mengjie Xu , Zixu Zhuang , Zhixin Wang , Kaidong Wang , Han Zhang , Qian Wang

3D human pose reconstruction from single-view camera is a difficult and challenging topic. Many approaches have been proposed, but almost focusing on frame-by-frame independently while inter-frames are highly correlated in a pose sequence.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 X. T. Nguyen , T. D. Ngo , T. H. Le

Human motion synthesis is an important problem with applications in graphics, gaming and simulation environments for robotics. Existing methods require accurate motion capture data for training, which is costly to obtain. Instead, we…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Kevin Xie , Tingwu Wang , Umar Iqbal , Yunrong Guo , Sanja Fidler , Florian Shkurti

Recognizing human activities in videos is challenging due to the spatio-temporal complexity and context-dependence of human interactions. Prior studies often rely on single input modalities, such as RGB or skeletal data, limiting their…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Tuyen Tran , Thao Minh Le , Hung Tran , Truyen Tran

Advances in machine learning and wearable sensors offer new opportunities for capturing and analyzing human movement outside specialized laboratories. Accurate assessment of human movement under real-world conditions is essential for…

In this paper, we propose a novel framework that allows therapists to teach robot-assisted rehabilitation exercises remotely via RGB-D video. Our system encodes demonstrations as 6-DoF body-centric trajectories using Cartesian Dynamic…

Robotics · Computer Science 2026-03-17 Ali Alabbas , Camillo Murgia , Joanne Regan , Philip Long

Human motion prediction aims to forecast future human poses given a historical motion. Whether based on recurrent or feed-forward neural networks, existing learning based methods fail to model the observation that human motion tends to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Wei Mao , Miaomiao Liu , Mathieu Salzmann , Hongdong Li

Visual odometry is a widely used technique in the field of robotics and automation to keep a track on the location of a robot using visual cues alone. In this paper, we propose a joint forward backward visual odometry framework by combining…

Robotics · Computer Science 2020-02-03 Raghav Sardana , Rahul Kottath , Vinod Karar , Shashi Poddar

Recent advances in image-based human pose estimation make it possible to capture 3D human motion from a single RGB video. However, the inherent depth ambiguity and self-occlusion in a single view prohibit the recovery of as high-quality…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Junting Dong , Qing Shuai , Yuanqing Zhang , Xian Liu , Xiaowei Zhou , Hujun Bao

Despite the significant improvement in the performance of monocular pose estimation approaches and their ability to generalize to unseen environments, multi-view (MV) approaches are often lagging behind in terms of accuracy and are specific…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Abdolrahim Kadkhodamohammadi , Nicolas Padoy

Patient motion is well-known for degrading image quality during medical imaging. Especially positron emission tomography (PET) is susceptible to motion due to its usually long scan times. In hybrid PET/MRI (magnetic resonance imaging),…

Medical Physics · Physics 2019-05-21 Lynn Johann Frohwein , Florian Büther , Klaus Peter Schäfers

In this paper, we present a contrastive learning based framework, ExeChecker, for the interpretation of rehabilitation exercises. Our work builds upon state-of-the-art advances in the area of human pose estimation, graph-attention neural…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Yiwen Gu , Mahir Patel , Margrit Betke

The rising number of the elderly incurs growing concern about healthcare, and in particular rehabilitation healthcare. Assistive technology and assistive robotics in particular may help to improve this process. We develop a robot coach…

Human-Computer Interaction · Computer Science 2021-11-19 Maxime Devanne , Sao Mai Nguyen , Olivier Rémy-Néris , Beatrice Le Gales-Garnett , Gilles Kermarrec , André Thépaut