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Tracking mouse body parts in video is often incomplete due to occlusions such that - e.g. - subsequent action and behavior analysis is impeded. In this conceptual work, videos from several perspectives are integrated via global exterior…

Accurately estimating the 3D pose and shape is an essential step towards understanding animal behavior, and can potentially benefit many downstream applications, such as wildlife conservation. However, research in this area is held back by…

This paper introduces a novel framework, i.e., RFPose-OT, to enable the 3D human pose estimation from Radio Frequency (RF) signals. Different from existing methods that predict human poses from RF signals on the signal level directly, we…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Cong Yu , Dongheng Zhang , Zhi Wu , Zhi Lu , Chunyang Xie , Yang Hu , Yan Chen

Numerous fields, such as ecology, biology, and neuroscience, use animal recordings to track and measure animal behaviour. Over time, a significant volume of such data has been produced, but some computer vision techniques cannot explore it…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Jose Sosa , Sharn Perry , Jane Alty , David Hogg

Animal behaviour is complex and the amount of data in the form of video, if extracted, is copious. Manual analysis of behaviour is massively limited by two insurmountable obstacles, the complexity of the behavioural patterns and human bias.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Anthony Bourached , Parashkev Nachev

The estimation of 3D face shape from a single image must be robust to variations in lighting, head pose, expression, facial hair, makeup, and occlusions. Robustness requires a large training set of in-the-wild images, which by construction,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Soubhik Sanyal , Timo Bolkart , Haiwen Feng , Michael J. Black

Tracking 3D objects accurately and consistently is crucial for autonomous vehicles, enabling more reliable downstream tasks such as trajectory prediction and motion planning. Based on the substantial progress in object detection in recent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Shuxiao Ding , Eike Rehder , Lukas Schneider , Marius Cordts , Juergen Gall

While 2D pose estimation has advanced our ability to interpret body movements in animals and primates, it is limited by the lack of depth information, constraining its application range. 3D pose estimation provides a more comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Soumyaratna Debnath , Harish Katti , Shashikant Verma , Shanmuganathan Raman

This research focuses on developing reinforcement learning approaches for the locomotion generation of small-size quadruped robots. The rat robot NeRmo is employed as the experimental platform. Due to the constrained volume, small-size…

Robotics · Computer Science 2024-04-16 Xinhui Shan , Yuhong Huang , Zhenshan Bing , Zitao Zhang , Xiangtong Yao , Kai Huang , Alois Knoll

Animal models, particularly rats, play a critical role in seizure research for studying epileptogenesis and treatment response. However, progress is limited by the lack of datasets with precise temporal annotations and standardized…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ting Yu Tsai , An Yu , Lucy Lee , Felix X. -F. Ye , Damian S. Shin , Tzu-Jen Kao , Xin Li , Ming-Ching Chang

This study proposes a method for simulating signals received by frequency-modulated continuous-wave radar during respiratory monitoring, using human body geometry and displacement data acquired via a depth camera. Unlike previous studies…

Signal Processing · Electrical Eng. & Systems 2025-07-21 Kimitaka Sumi , Takuya Sakamoto

Animal pose estimation is a fundamental task in computer vision, with growing importance in ecological monitoring, behavioral analysis, and intelligent livestock management. Compared to human pose estimation, animal pose estimation is more…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Tianyu Xiong , Dayi Tan , Wei Tian

This paper addresses the challenging task of reconstructing the poses of multiple individuals engaged in close interactions, captured by multiple calibrated cameras. The difficulty arises from the noisy or false 2D keypoint detections due…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Qing Shuai , Zhiyuan Yu , Zhize Zhou , Lixin Fan , Haijun Yang , Can Yang , Xiaowei Zhou

The dominant paradigm in 3D human pose estimation that lifts a 2D pose sequence to 3D heavily relies on long-term temporal clues (i.e., using a daunting number of video frames) for improved accuracy, which incurs performance saturation,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Qitao Zhao , Ce Zheng , Mengyuan Liu , Chen Chen

Despite progress in human motion capture, existing multi-view methods often face challenges in estimating the 3D pose and shape of multiple closely interacting people. This difficulty arises from reliance on accurate 2D joint estimations,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Feichi Lu , Zijian Dong , Jie Song , Otmar Hilliges

The 3D reconstruction of faces gains wide attention in computer vision and is used in many fields of application, for example, animation, virtual reality, and even forensics. This work is motivated by monitoring patients in sleep…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Valentin Braeutigam , Vanessa Wirth , Ingrid Ullmann , Christian Schüßler , Martin Vossiek , Matthias Berking , Bernhard Egger

Egocentric motion capture with a head-mounted body-facing stereo camera is crucial for VR and AR applications but presents significant challenges such as heavy occlusions and limited annotated real-world data. Existing methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Andrea Boscolo Camiletto , Jian Wang , Eduardo Alvarado , Rishabh Dabral , Thabo Beeler , Marc Habermann , Christian Theobalt

Gait, as one of unique biometric features, has the advantage of being recognized from a long distance away, can be widely used in public security. Considering 3D pose estimation is more challenging than 2D pose estimation in practice , we…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Na Li , Xinbo Zhao , Chong Ma

We present a system to recover the 3D shape and motion of a wide variety of quadrupeds from video. The system comprises a machine learning front-end which predicts candidate 2D joint positions, a discrete optimization which finds…

Computer Vision and Pattern Recognition · Computer Science 2018-11-15 Benjamin Biggs , Thomas Roddick , Andrew Fitzgibbon , Roberto Cipolla

Recently, human pose estimation mainly focuses on how to design a more effective and better deep network structure as human features extractor, and most designed feature extraction networks only introduce the position of each anatomical…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Zhangjian Ji , Zilong Wang , Ming Zhang , Yapeng Chen , Yuhua Qian