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Traditionally, monocular 3D human pose estimation employs a machine learning model to predict the most likely 3D pose for a given input image. However, a single image can be highly ambiguous and induces multiple plausible solutions for the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Karl Holmquist , Bastian Wandt

Although significant improvement has been achieved recently in 3D human pose estimation, most of the previous methods only treat a single-person case. In this work, we firstly propose a fully learning-based, camera distance-aware top-down…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Gyeongsik Moon , Ju Yong Chang , Kyoung Mu Lee

3D human pose estimation has been a long-standing challenge in computer vision and graphics, where multi-view methods have significantly progressed but are limited by the tedious calibration processes. Existing multi-view methods are…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Boyuan Jiang , Lei Hu , Shihong Xia

We propose a CNN-based approach for 3D human body pose estimation from single RGB images that addresses the issue of limited generalizability of models trained solely on the starkly limited publicly available 3D pose data. Using only the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-05 Dushyant Mehta , Helge Rhodin , Dan Casas , Pascal Fua , Oleksandr Sotnychenko , Weipeng Xu , Christian Theobalt

In this letter, we present a novel markerless 3D human motion capture (MoCap) system for unstructured, outdoor environments that uses a team of autonomous unmanned aerial vehicles (UAVs) with on-board RGB cameras and computation. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Nitin Saini , Elia Bonetto , Eric Price , Aamir Ahmad , Michael J. Black

We present a novel data-driven regularizer for weakly-supervised learning of 3D human pose estimation that eliminates the drift problem that affects existing approaches. We do this by moving the stereo reconstruction problem into the loss…

Computer Vision and Pattern Recognition · Computer Science 2019-09-16 Guillaume Rochette , Chris Russell , Richard Bowden

When enough annotated training data is available, supervised deep-learning algorithms excel at estimating human body pose and shape using a single camera. The effects of too little such data being available can be mitigated by using other…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Andrey Davydov , Alexey Sidnev , Artsiom Sanakoyeu , Yuhua Chen , Mathieu Salzmann , Pascal Fua

Following the success of deep convolutional networks, state-of-the-art methods for 3d human pose estimation have focused on deep end-to-end systems that predict 3d joint locations given raw image pixels. Despite their excellent performance,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Julieta Martinez , Rayat Hossain , Javier Romero , James J. Little

Estimating the head pose of a person is a crucial problem that has a large amount of applications such as aiding in gaze estimation, modeling attention, fitting 3D models to video and performing face alignment. Traditionally head pose is…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Nataniel Ruiz , Eunji Chong , James M. Rehg

Most 3d human pose estimation methods assume that input -- be it images of a scene collected from one or several viewpoints, or from a video -- is given. Consequently, they focus on estimates leveraging prior knowledge and measurement by…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Erik Gärtner , Aleksis Pirinen , Cristian Sminchisescu

3D human pose estimation from a single image is a challenging problem, especially for in-the-wild settings due to the lack of 3D annotated data. We propose two anatomically inspired loss functions and use them with a weakly-supervised…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Rishabh Dabral , Anurag Mundhada , Uday Kusupati , Safeer Afaque , Abhishek Sharma , Arjun Jain

3D human pose estimation captures the human joint points in three-dimensional space while keeping the depth information and physical structure. That is essential for applications that require precise pose information, such as human-computer…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Jianbin Jiao , Xina Cheng , Weijie Chen , Xiaoting Yin , Hao Shi , Kailun Yang

3D human pose estimation in multi-view operating room (OR) videos is a relevant asset for person tracking and action recognition. However, the surgical environment makes it challenging to find poses due to sterile clothing, frequent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Beerend G. A. Gerats , Jelmer M. Wolterink , Ivo A. M. J. Broeders

In this work, we demonstrate that 3D poses in video can be effectively estimated with a fully convolutional model based on dilated temporal convolutions over 2D keypoints. We also introduce back-projection, a simple and effective…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Dario Pavllo , Christoph Feichtenhofer , David Grangier , Michael Auli

Multi-person 3D human pose estimation from a single image is a challenging problem, especially for in-the-wild settings due to the lack of 3D annotated data. We propose HG-RCNN, a Mask-RCNN based network that also leverages the benefits of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Rishabh Dabral , Nitesh B Gundavarapu , Rahul Mitra , Abhishek Sharma , Ganesh Ramakrishnan , Arjun Jain

This paper introduces key machine learning operations that allow the realization of robust, joint 6D pose estimation of multiple instances of objects either densely packed or in unstructured piles from RGB-D data. The first objective is to…

Robotics · Computer Science 2019-10-14 Chaitanya Mitash , Bowen Wen , Kostas Bekris , Abdeslam Boularias

Human pose analysis has garnered significant attention within both the research community and practical applications, owing to its expanding array of uses, including gaming, video surveillance, sports performance analysis, and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Lijuan Zhou , Xiang Meng , Zhihuan Liu , Mengqi Wu , Zhimin Gao , Pichao Wang

Depictions of similar human body configurations can vary with changing viewpoints. Using only 2D information, we would like to enable vision algorithms to recognize similarity in human body poses across multiple views. This ability is…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Jennifer J. Sun , Jiaping Zhao , Liang-Chieh Chen , Florian Schroff , Hartwig Adam , Ting Liu

Single camera 3D pose estimation is an ill-defined problem due to inherent ambiguities from depth, occlusion or keypoint noise. Multi-hypothesis pose estimation accounts for this uncertainty by providing multiple 3D poses consistent with…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Paweł A. Pierzchlewicz , Caio O. da Silva , R. James Cotton , Fabian H. Sinz

In this paper, we propose a method for coarse camera pose computation which is robust to viewing conditions and does not require a detailed model of the scene. This method meets the growing need of easy deployment of robotics or augmented…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Matthieu Zins , Gilles Simon , Marie-Odile Berger