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In this paper, we propose a new hand gesture recognition method based on skeletal data by learning SPD matrices with neural networks. We model the hand skeleton as a graph and introduce a neural network for SPD matrix learning, taking as…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Xuan Nguyen , Luc Brun , Olivier Lezoray , Sébastien Bougleux

We describe Human Mesh Recovery (HMR), an end-to-end framework for reconstructing a full 3D mesh of a human body from a single RGB image. In contrast to most current methods that compute 2D or 3D joint locations, we produce a richer and…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Angjoo Kanazawa , Michael J. Black , David W. Jacobs , Jitendra Malik

We propose to estimate 3D human pose from multi-view images and a few IMUs attached at person's limbs. It operates by firstly detecting 2D poses from the two signals, and then lifting them to the 3D space. We present a geometric approach to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Zhe Zhang , Chunyu Wang , Wenhu Qin , Wenjun Zeng

Unlike traditional robotic hands, underactuated compliant hands are challenging to model due to inherent uncertainties. Consequently, pose estimation of a grasped object is usually performed based on visual perception. However, visual…

Robotics · Computer Science 2024-01-18 Osher Azulay , Inbar Ben-David , Avishai Sintov

We introduce SkelFormer, a novel markerless motion capture pipeline for multi-view human pose and shape estimation. Our method first uses off-the-shelf 2D keypoint estimators, pre-trained on large-scale in-the-wild data, to obtain 3D joint…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Vandad Davoodnia , Saeed Ghorbani , Alexandre Messier , Ali Etemad

Estimating 3D hand pose from 2D images is a difficult, inverse problem due to the inherent scale and depth ambiguities. Current state-of-the-art methods train fully supervised deep neural networks with 3D ground-truth data. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Adrian Spurr , Umar Iqbal , Pavlo Molchanov , Otmar Hilliges , Jan Kautz

Hand-object pose estimation from monocular RGB images remains a significant challenge mainly due to the severe occlusions inherent in hand-object interactions. Existing methods do not sufficiently explore global structural perception and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Hui Yang , Wei Sun , Jian Liu , Jin Zheng , Jian Xiao , Ajmal Mian

Tremendous amounts of expensive annotated data are a vital ingredient for state-of-the-art 3d hand pose estimation. Therefore, synthetic data has been popularized as annotations are automatically available. However, models trained only with…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Masoud Abdi , Ehsan Abbasnejad , Chee Peng Lim , Saeid Nahavandi

Directly regressing the non-rigid shape and camera pose from the individual 2D frame is ill-suited to the Non-Rigid Structure-from-Motion (NRSfM) problem. This frame-by-frame 3D reconstruction pipeline overlooks the inherent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Hui Deng , Tong Zhang , Yuchao Dai , Jiawei Shi , Yiran Zhong , Hongdong Li

Human pose estimation has given rise to a broad spectrum of novel and compelling applications, including action recognition, sports analysis, as well as surveillance. However, accurate video pose estimation remains an open challenge. One…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Yingying Jiao , Zhigang Wang , Zhenguang Liu , Shaojing Fan , Sifan Wu , Zheqi Wu , Zhuoyue Xu

In facial landmark localization tasks, various occlusions heavily degrade the localization accuracy due to the partial observability of facial features. This paper proposes a structural relation network (SRN) for occlusion-robust landmark…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Congcong Zhu , Xiaoqiang Li , Jide Li , Songmin Dai , Weiqin Tong

Accurate estimation of the in-hand pose of an object based on its CAD model is crucial in both industrial applications and everyday tasks, ranging from positioning workpieces and assembling components to seamlessly inserting devices like…

Machine Learning · Computer Science 2025-09-22 Mingdong Wu , Long Yang , Jin Liu , Weiyao Huang , Lehong Wu , Zelin Chen , Daolin Ma , Hao Dong

3D hand pose is an underexplored modality for action recognition. Poses are compact yet informative and can greatly benefit applications with limited compute budgets. However, poses alone offer an incomplete understanding of actions, as…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Md Salman Shamil , Dibyadip Chatterjee , Fadime Sener , Shugao Ma , Angela Yao

The extraction of keypoint positions from input hand frames, known as 3D hand pose estimation, is crucial for various human-computer interaction applications. However, current approaches often struggle with the dynamic nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Wencan Cheng , Eunji Kim , Jong Hwan Ko

3D hand pose tracking/estimation will be very important in the next generation of human-computer interaction. Most of the currently available algorithms rely on low-cost active depth sensors. However, these sensors can be easily interfered…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Jiawei Zhang , Jianbo Jiao , Mingliang Chen , Liangqiong Qu , Xiaobin Xu , Qingxiong Yang

Contactless hand pose estimation requires sensors that provide precise spatial information and low computational complexity for real-time processing. Unlike vision-based systems, radar offers lighting independence and direct motion…

Signal Processing · Electrical Eng. & Systems 2024-06-21 Johanna Bräunig , Vanessa Wirth , Marc Stamminger , Ingrid Ullmann , Martin Vossiek

Human pose estimation - the process of recognizing human keypoints in a given image - is one of the most important tasks in computer vision and has a wide range of applications including movement diagnostics, surveillance, or self-driving…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Trung Q. Tran , Giang V. Nguyen , Daeyoung Kim

This paper addresses the problem of 3D human pose estimation from a single image. We follow a standard two-step pipeline by first detecting the 2D position of the $N$ body joints, and then using these observations to infer 3D pose. For the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Francesc Moreno-Noguer

Regression based methods are not performing as well as detection based methods for human pose estimation. A central problem is that the structural information in the pose is not well exploited in the previous regression methods. In this…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Xiao Sun , Jiaxiang Shang , Shuang Liang , Yichen Wei

Estimating 3D rotations is a common procedure for 3D computer vision. The accuracy depends heavily on the rotation representation. One form of representation -- rotation matrices -- is popular due to its continuity, especially for pose…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Kerui Gu , Zhihao Li , Shiyong Liu , Jianzhuang Liu , Songcen Xu , Youliang Yan , Michael Bi Mi , Kenji Kawaguchi , Angela Yao
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