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Multi-person pose estimation in images and videos is an important yet challenging task with many applications. Despite the large improvements in human pose estimation enabled by the development of convolutional neural networks, there still…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Mihai Fieraru , Anna Khoreva , Leonid Pishchulin , Bernt Schiele

The field of 3D human-body reconstruction (abbreviated as 3DHR) that utilizes parametric pose and shape representations has witnessed significant advancements in recent years. However, the application of 3DHR techniques to handle…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Jonathan Samuel Lumentut , Kyoung Mu Lee

Fully supervised human mesh recovery methods are data-hungry and have poor generalizability due to the limited availability and diversity of 3D-annotated benchmark datasets. Recent progress in self-supervised human mesh recovery has been…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Xuan Gong , Meng Zheng , Benjamin Planche , Srikrishna Karanam , Terrence Chen , David Doermann , Ziyan Wu

Current works on multi-person 3D pose estimation mainly focus on the estimation of the 3D joint locations relative to the root joint and ignore the absolute locations of each pose. In this paper, we propose the Human Depth Estimation…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Jiahao Lin , Gim Hee Lee

Deep Learning-based 2D/3D registration methods are highly robust but often lack the necessary registration accuracy for clinical application. A refinement step using the classical optimization-based 2D/3D registration method applied in…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Srikrishna Jaganathan , Jian Wang , Anja Borsdorf , Karthik Shetty , Andreas Maier

We present here the result of continuation work, performed to further fulfill the vision we outlined in [Harel,Lekien,P\'eba\"y-2017] for the visualization and analysis of tree-based adaptive mesh refinement (AMR) simulations, using the…

Graphics · Computer Science 2017-03-02 Guénolé Harel , Jacques-Bernard Lekien , Philippe P. Pébaÿ

We introduce the problem of knot-based inverse perceptual art. Given multiple target images and their corresponding viewing configurations, the objective is to find a 3D knot-based tubular structure whose appearance resembles the target…

Graphics · Computer Science 2023-08-22 Aalok Gangopadhyay , Paras Gupta , Tarun Sharma , Prajwal Singh , Shanmuganathan Raman

We proposed a novel test-time optimisation (TTO) approach framed by a NeRF-based architecture for long-term 3D point tracking. Most current methods in point tracking struggle to obtain consistent motion or are limited to 2D motion. TTO…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Gerardo Loza , Junlei Hu , Dominic Jones , Sharib Ali , Pietro Valdastri

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

We propose a novel approach for 3D mesh reconstruction from multi-view images. Our method takes inspiration from large reconstruction models like LRM that use a transformer-based triplane generator and a Neural Radiance Field (NeRF) model…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Peiye Zhuang , Songfang Han , Chaoyang Wang , Aliaksandr Siarohin , Jiaxu Zou , Michael Vasilkovsky , Vladislav Shakhrai , Sergey Korolev , Sergey Tulyakov , Hsin-Ying Lee

Learning articulated object pose is inherently difficult because the pose is high dimensional but has many structural constraints. Most existing work do not model such constraints and does not guarantee the geometric validity of their pose…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Xingyi Zhou , Xiao Sun , Wei Zhang , Shuang Liang , Yichen Wei

Automating chicken shoulder deboning requires precise 6-DoF cutting through a partially occluded, deformable, multi-material joint, since contact with the bones presents serious health and safety risks. Our work makes both systems-level and…

Robotics · Computer Science 2026-03-30 Zhaodong Yang , Ai-Ping Hu , Harish Ravichandar

In single-particle cryo-electron microscopy (cryo-EM), the efficient determination of orientation parameters for 2D projection images poses a significant challenge yet is crucial for reconstructing 3D structures. This task is complicated by…

Image and Video Processing · Electrical Eng. & Systems 2025-09-30 Szu-Chi Chung

This paper focuses on the challenging problem of 3D pose estimation of a diverse spectrum of articulated objects from single depth images. A novel structured prediction approach is considered, where 3D poses are represented as skeletal…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 Yu Zhang , Chi Xu , Li Cheng

State-of-the-art methods can recover accurate overall 3D human body motion from in-the-wild videos. However, they often fail to capture fine-grained articulations, especially in the feet, which are critical for applications such as gait…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Tom Wehrbein , Bodo Rosenhahn

DPO is an effective preference optimization algorithm. However, the DPO-tuned models tend to overfit on the dispreferred samples, manifested as overly long generations lacking diversity. While recent regularization approaches have…

Computation and Language · Computer Science 2025-08-26 Chenxu Yang , Ruipeng Jia , Naibin Gu , Zheng Lin , Siyuan Chen , Chao Pang , Weichong Yin , Yu Sun , Hua Wu , Weiping Wang

We introduce MotioNet, a deep neural network that directly reconstructs the motion of a 3D human skeleton from monocular video.While previous methods rely on either rigging or inverse kinematics (IK) to associate a consistent skeleton with…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Mingyi Shi , Kfir Aberman , Andreas Aristidou , Taku Komura , Dani Lischinski , Daniel Cohen-Or , Baoquan Chen

We present KAMA, a 3D Keypoint Aware Mesh Articulation approach that allows us to estimate a human body mesh from the positions of 3D body keypoints. To this end, we learn to estimate 3D positions of 26 body keypoints and propose an…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Umar Iqbal , Kevin Xie , Yunrong Guo , Jan Kautz , Pavlo Molchanov

In this study, we focus on the problem of 3D human mesh recovery from a single image under obscured conditions. Most state-of-the-art methods aim to improve 2D alignment technologies, such as spatial averaging and 2D joint sampling.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Jiahao Li , Zongxin Yang , Xiaohan Wang , Jianxin Ma , Chang Zhou , Yi Yang

This paper investigates a constrained inverse kinematic (IK) problem that seeks a feasible configuration of an articulated robot under various constraints such as joint limits and obstacle collision avoidance. Due to the high-dimensionality…

Robotics · Computer Science 2024-06-18 Yu Chen , Yilin Cai , Jinyun Xu , Zhongqiang Ren , Guanya Shi , Howie Choset
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