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Existing 3D human pose estimation algorithms trained on distortion-free datasets suffer performance drop when applied to new scenarios with a specific camera distortion. In this paper, we propose a simple yet effective model for 3D human…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Hanbyel Cho , Yooshin Cho , Jaemyung Yu , Junmo Kim

Estimating 3d human pose from monocular images is a challenging problem due to the variety and complexity of human poses and the inherent ambiguity in recovering depth from the single view. Recent deep learning based methods show promising…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Sandika Biswas , Sanjana Sinha , Kavya Gupta , Brojeshwar Bhowmick

Recent advances with Convolutional Networks (ConvNets) have shifted the bottleneck for many computer vision tasks to annotated data collection. In this paper, we present a geometry-driven approach to automatically collect annotations for…

Computer Vision and Pattern Recognition · Computer Science 2017-04-18 Georgios Pavlakos , Xiaowei Zhou , Konstantinos G. Derpanis , Kostas Daniilidis

3D human pose estimation is frequently seen as the task of estimating 3D poses relative to the root body joint. Alternatively, we propose a 3D human pose estimation method in camera coordinates, which allows effective combination of 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Diogo C Luvizon , Hedi Tabia , David Picard

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

We introduce Multi-view Ancestral Sampling (MAS), a method for 3D motion generation, using 2D diffusion models that were trained on motions obtained from in-the-wild videos. As such, MAS opens opportunities to exciting and diverse fields of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Roy Kapon , Guy Tevet , Daniel Cohen-Or , Amit H. Bermano

We propose a viewpoint invariant model for 3D human pose estimation from a single depth image. To achieve this, our discriminative model embeds local regions into a learned viewpoint invariant feature space. Formulated as a multi-task…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Albert Haque , Boya Peng , Zelun Luo , Alexandre Alahi , Serena Yeung , Li Fei-Fei

Training accurate 3D human pose estimators requires large amount of 3D ground-truth data which is costly to collect. Various weakly or self supervised pose estimation methods have been proposed due to lack of 3D data. Nevertheless, these…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Muhammed Kocabas , Salih Karagoz , Emre Akbas

One major challenge for monocular 3D human pose estimation in-the-wild is the acquisition of training data that contains unconstrained images annotated with accurate 3D poses. In this paper, we address this challenge by proposing a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Umar Iqbal , Pavlo Molchanov , Jan Kautz

Most recent view-invariant action recognition and performance assessment approaches rely on a large amount of annotated 3D skeleton data to extract view-invariant features. However, acquiring 3D skeleton data can be cumbersome, if not…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Faegheh Sardari , Björn Ommer , Majid Mirmehdi

We present a self-supervised learning algorithm for 3D human pose estimation of a single person based on a multiple-view camera system and 2D body pose estimates for each view. To train our model, represented by a deep neural network, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Arij Bouazizi , Julian Wiederer , Ulrich Kressel , Vasileios Belagiannis

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

Human pose estimation is a key step to action recognition. We propose a method of estimating 3D human poses from a single image, which works in conjunction with an existing 2D pose/joint detector. 3D pose estimation is challenging because…

Computer Vision and Pattern Recognition · Computer Science 2014-06-10 Chunyu Wang , Yizhou Wang , Zhouchen Lin , Alan L. Yuille , Wen Gao

In this paper, a novel deep-learning based framework is proposed to infer 3D human poses from a single image. Specifically, a two-phase approach is developed. We firstly utilize a generator with two branches for the extraction of explicit…

Computer Vision and Pattern Recognition · Computer Science 2018-09-24 Kun Zhou , Jinmiao Cai , Yao Li , Yulong Shi , Xiaoguang Han , Nianjuan Jiang , Kui Jia , Jiangbo Lu

Estimating 3D human poses only from a 2D human pose sequence is thoroughly explored in recent years. Yet, prior to this, no such work has attempted to unify 2D and 3D pose representations in the shared feature space. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zhenyu Zhang , Wenhao Chai , Zhongyu Jiang , Tian Ye , Mingli Song , Jenq-Neng Hwang , Gaoang Wang

Most of the previous 3D human pose estimation work relied on the powerful memory capability of the network to obtain suitable 2D-3D mappings from the training data. Few works have studied the modeling of human posture deformation in motion.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Haorui Ji , Hui Deng , Yuchao Dai , Hongdong Li

In this paper we propose a technique for obtaining coarse pose estimation of humans in an image that does not require any manual supervision. While a general unsupervised technique would fail to estimate human pose, we suggest that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Prabuddha Chakraborty , Vinay P. Namboodiri

We introduce UPose3D, a novel approach for multi-view 3D human pose estimation, addressing challenges in accuracy and scalability. Our method advances existing pose estimation frameworks by improving robustness and flexibility without…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Vandad Davoodnia , Saeed Ghorbani , Marc-André Carbonneau , Alexandre Messier , Ali Etemad

We present an unsupervised learning approach to recover 3D human pose from 2D skeletal joints extracted from a single image. Our method does not require any multi-view image data, 3D skeletons, correspondences between 2D-3D points, or use…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Ching-Hang Chen , Ambrish Tyagi , Amit Agrawal , Dylan Drover , Rohith MV , Stefan Stojanov , James M. Rehg

In this paper, a novel Diffusion-based 3D Pose estimation (D3DP) method with Joint-wise reProjection-based Multi-hypothesis Aggregation (JPMA) is proposed for probabilistic 3D human pose estimation. On the one hand, D3DP generates multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Wenkang Shan , Zhenhua Liu , Xinfeng Zhang , Zhao Wang , Kai Han , Shanshe Wang , Siwei Ma , Wen Gao