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Related papers: CameraHMR: Aligning People with Perspective

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Current state-of-the-art methods cast monocular 3D human pose estimation as a learning problem by training neural networks on large data sets of images and corresponding skeleton poses. In contrast, we propose an approach that can exploit…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Simon Jenni , Paolo Favaro

Estimating 3D human pose from a single image is a challenging task. This work attempts to address the uncertainty of lifting the detected 2D joints to the 3D space by introducing an intermediate state - Part-Centric Heatmap Triplets…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Kun Zhou , Xiaoguang Han , Nianjuan Jiang , Kui Jia , Jiangbo Lu

Existing marker-less motion capture methods often assume known backgrounds, static cameras, and sequence specific motion priors, which narrows its application scenarios. Here we propose a fully automatic method that given multi-view video,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Yinghao Huang , Federica Bogo , Christoph Lassner , Angjoo Kanazawa , Peter V. Gehler , Ijaz Akhter , Michael J. Black

This paper proposes a reliable approach for human gait symmetry assessment using a depth camera and two mirrors. The input of our system is a sequence of 3D point clouds which are formed from a setup including a Time-of-Flight (ToF) depth…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Trong-Nguyen Nguyen , Huu-Hung Huynh , Jean Meunier

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

Monocular 3D human pose estimation has made progress in recent years. Most of the methods focus on single persons, which estimate the poses in the person-centric coordinates, i.e., the coordinates based on the center of the target person.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Yu Cheng , Bo Wang , Robby T. Tan

Many real-world applications require the estimation of human body joints for higher-level tasks as, for example, human behaviour understanding. In recent years, depth sensors have become a popular approach to obtain three-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Manuel J. Marin-Jimenez , Francisco J. Romero-Ramirez , Rafael Muñoz-Salinas , Rafael Medina-Carnicer

Most current single image camera calibration methods rely on specific image features or user input, and cannot be applied to natural images captured in uncontrolled settings. We propose directly inferring camera calibration parameters from…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Yannick Hold-Geoffroy , Kalyan Sunkavalli , Jonathan Eisenmann , Matt Fisher , Emiliano Gambaretto , Sunil Hadap , Jean-François Lalonde

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

Epipolar constraints are at the core of feature matching and depth estimation in current multi-person multi-camera 3D human pose estimation methods. Despite the satisfactory performance of this formulation in sparser crowd scenes, its…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 He Chen , Pengfei Guo , Pengfei Li , Gim Hee Lee , Gregory Chirikjian

Previous methods for 3D human motion recovery from monocular images often fall short due to reliance on camera coordinates, leading to inaccuracies in real-world applications. The limited availability and diversity of focal length labels…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Wei Yao , Hongwen Zhang , Yunlian Sun , Yebin Liu , Jinhui Tang

Due to the lack of camera parameter information for in-the-wild images, existing 3D human pose and shape (HPS) estimation methods make several simplifying assumptions: weak-perspective projection, large constant focal length, and zero…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Muhammed Kocabas , Chun-Hao P. Huang , Joachim Tesch , Lea Müller , Otmar Hilliges , Michael J. Black

3D human pose estimation from a monocular image or 2D joints is an ill-posed problem because of depth ambiguity and occluded joints. We argue that 3D human pose estimation from a monocular input is an inverse problem where multiple feasible…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Chen Li , Gim Hee Lee

We present an approach for estimating the pose of an external camera with respect to a robot using a single RGB image of the robot. The image is processed by a deep neural network to detect 2D projections of keypoints (such as joints)…

In this paper we contribute a simple yet effective approach for estimating 3D poses of multiple people from multi-view images. Our proposed coarse-to-fine pipeline first aggregates noisy 2D observations from multiple camera views into 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Zijian Dong , Jie Song , Xu Chen , Chen Guo , Otmar Hilliges

The typical bottom-up human pose estimation framework includes two stages, keypoint detection and grouping. Most existing works focus on developing grouping algorithms, e.g., associative embedding, and pixel-wise keypoint regression that we…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Ke Sun , Zigang Geng , Depu Meng , Bin Xiao , Dong Liu , Zhaoxiang Zhang , Jingdong Wang

The advances in monocular 3D human pose estimation are dominated by supervised techniques that require large-scale 2D/3D pose annotations. Such methods often behave erratically in the absence of any provision to discard unfamiliar…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jogendra Nath Kundu , Siddharth Seth , Pradyumna YM , Varun Jampani , Anirban Chakraborty , R. Venkatesh Babu

With the rapid development of autonomous driving, LiDAR-based 3D Human Pose Estimation (3D HPE) is becoming a research focus. However, due to the noise and sparsity of LiDAR-captured point clouds, robust human pose estimation remains…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Xiaoqi An , Lin Zhao , Chen Gong , Jun Li , Jian Yang

3D human pose estimation (HPE) is crucial in many fields, such as human behavior analysis, augmented reality/virtual reality (AR/VR) applications, and self-driving industry. Videos that contain multiple potentially occluded people captured…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Renshu Gu , Gaoang Wang , Jenq-Neng Hwang

Cross-view person matching and 3D human pose estimation in multi-camera networks are particularly difficult when the cameras are extrinsically uncalibrated. Existing efforts generally require large amounts of 3D data for training neural…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Yan Xu , Kris Kitani