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Person detection and pose estimation is a key requirement to develop intelligent context-aware assistance systems. To foster the development of human pose estimation methods and their applications in the Operating Room (OR), we release the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Vinkle Srivastav , Thibaut Issenhuth , Abdolrahim Kadkhodamohammadi , Michel de Mathelin , Afshin Gangi , Nicolas Padoy

Human pose estimation (HPE) is a key building block for developing AI-based context-aware systems inside the operating room (OR). The 24/7 use of images coming from cameras mounted on the OR ceiling can however raise concerns for privacy,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Vinkle Srivastav , Afshin Gangi , Nicolas Padoy

The lifting-based methods have dominated monocular 3D human pose estimation by leveraging detected 2D poses as intermediate representations. The 2D component of the final 3D human pose benefits from the detected 2D poses, whereas its depth…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Mengyuan Liu , Jiajie Liu , Jinyan Zhang , Wenhao Li , Junsong Yuan

The recovery of multi-person 3D poses from a single RGB image is a severely ill-conditioned problem due to the inherent 2D-3D depth ambiguity, inter-person occlusions, and body truncations. To tackle these issues, recent works have shown…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Nicolas Ugrinovic , Adria Ruiz , Antonio Agudo , Alberto Sanfeliu , Francesc Moreno-Noguer

We present a novel approach for tracking multiple people in video. Unlike past approaches which employ 2D representations, we focus on using 3D representations of people, located in three-dimensional space. To this end, we develop a method,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Jathushan Rajasegaran , Georgios Pavlakos , Angjoo Kanazawa , Jitendra Malik

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

Current unsupervised 2D-3D human pose estimation (HPE) methods do not work in multi-person scenarios due to perspective ambiguity in monocular images. Therefore, we present one of the first studies investigating the feasibility of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Peter Hardy , Hansung Kim

In monocular 3D human pose estimation a common setup is to first detect 2D positions and then lift the detection into 3D coordinates. Many algorithms suffer from overfitting to camera positions in the training set. We propose a siamese…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Márton Véges , Viktor Varga , András Lőrincz

We present two novel solutions for multi-view 3D human pose estimation based on new learnable triangulation methods that combine 3D information from multiple 2D views. The first (baseline) solution is a basic differentiable algebraic…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Karim Iskakov , Egor Burkov , Victor Lempitsky , Yury Malkov

3D human pose estimation involves reconstructing the human skeleton by detecting the body joints. Accurate and efficient solutions are required for several real-world applications including animation, human-robot interaction, surveillance,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Ana Filipa Rodrigues Nogueira , Hélder P. Oliveira , Luís F. Teixeira

We present a new self-supervised approach, SelfPose3d, for estimating 3d poses of multiple persons from multiple camera views. Unlike current state-of-the-art fully-supervised methods, our approach does not require any 2d or 3d ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Vinkle Srivastav , Keqi Chen , Nicolas Padoy

Human pose estimation - the process of recognizing a human's limb positions and orientations in a video - has many important applications including surveillance, diagnosis of movement disorders, and computer animation. While deep learning…

Computer Vision and Pattern Recognition · Computer Science 2019-02-11 Steven Schwarcz , Thomas Pollard

In this paper, we concern on the bottom-up paradigm in multi-person pose estimation (MPPE). Most previous bottom-up methods try to consider the relation of instances to identify different body parts during the post processing, while…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Ruoqi Yin , Jianqin Yin

This paper presents a novel 3D human pose estimation approach using a single stream of asynchronous events as input. Most of the state-of-the-art approaches solve this task with RGB cameras, however struggling when subjects are moving fast.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Gianluca Scarpellini , Pietro Morerio , Alessio Del Bue

Depth estimation is usually ill-posed and ambiguous for monocular camera-based 3D multi-person pose estimation. Since LiDAR can capture accurate depth information in long-range scenes, it can benefit both the global localization of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Peishan Cong , Yiteng Xu , Yiming Ren , Juze Zhang , Lan Xu , Jingya Wang , Jingyi Yu , Yuexin Ma

This paper addresses the challenge of 3D full-body human pose estimation from a monocular image sequence. Here, two cases are considered: (i) the image locations of the human joints are provided and (ii) the image locations of joints are…

Computer Vision and Pattern Recognition · Computer Science 2016-04-29 Xiaowei Zhou , Menglong Zhu , Spyridon Leonardos , Kosta Derpanis , Kostas Daniilidis

We propose an approach to estimate 3D human pose in real world units from a single RGBD image and show that it exceeds performance of monocular 3D pose estimation approaches from color as well as pose estimation exclusively from depth. Our…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Christian Zimmermann , Tim Welschehold , Christian Dornhege , Wolfram Burgard , Thomas Brox

In this paper, we propose a new single shot method for multi-person 3D human pose estimation in complex images. The model jointly learns to locate the human joints in the image, to estimate their 3D coordinates and to group these…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Abdallah Benzine , Bertrand Luvison , Quoc Cuong Pham , Catherine Achard

Understanding the geometry and pose of objects in 2D images is a fundamental necessity for a wide range of real world applications. Driven by deep neural networks, recent methods have brought significant improvements to object pose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Jogendra Nath Kundu , Rahul M. V. , Aditya Ganeshan , R. Venkatesh Babu

We address the problem of 3D human pose estimation from 2D input images using only weakly supervised training data. Despite showing considerable success for 2D pose estimation, the application of supervised machine learning to 3D pose…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Matteo Ruggero Ronchi , Oisin Mac Aodha , Robert Eng , Pietro Perona