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Related papers: Towards Unstructured Unlabeled Optical Mocap: A Vi…

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We present EgoHDM, an online egocentric-inertial human motion capture (mocap), localization, and dense mapping system. Our system uses 6 inertial measurement units (IMUs) and a commodity head-mounted RGB camera. EgoHDM is the first human…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Bonan Liu , Handi Yin , Manuel Kaufmann , Jinhao He , Sammy Christen , Jie Song , Pan Hui

Recent methods for arbitrary-skeleton motion capture from monocular video follow a factorized pipeline, where a Video-to-Pose network predicts joint positions and an analytical inverse-kinematics (IK) stage recovers joint rotations. While…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Kehong Gong , Zhengyu Wen , Dao Thien Phong , Mingxi Xu , Weixia He , Qi Wang , Ning Zhang , Zhengyu Li , Guanli Hou , Dongze Lian , Xiaoyu He , Mingyuan Zhang , Hanwang Zhang

The goal of unpaired image captioning (UIC) is to describe images without using image-caption pairs in the training phase. Although challenging, we except the task can be accomplished by leveraging a training set of images aligned with…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Peipei Zhu , Xiao Wang , Yong Luo , Zhenglong Sun , Wei-Shi Zheng , Yaowei Wang , Changwen Chen

Optical motion capture (mocap) systems are widely used for ground-truth capture in AR/VR, SLAM and robotics datasets. These datasets require extrinsic calibration to align mocap coordinates to external camera frames -- a step that is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Tianyi Liu , Christopher Twigg , Patrick Grady , Kevin Harris , Shangchen Han , Kun He

We tackle the problem of highly-accurate, holistic performance capture for the face, body and hands simultaneously. Motion-capture technologies used in film and game production typically focus only on face, body or hand capture…

Person images captured by surveillance cameras are often occluded by various obstacles, which lead to defective feature representation and harm person re-identification (Re-ID) performance. To tackle this challenge, we propose to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Shijie Yu , Dapeng Chen , Rui Zhao , Haobin Chen , Yu Qiao

Humans constantly interact with daily objects to accomplish tasks. To understand such interactions, computers need to reconstruct these from cameras observing whole-body interaction with scenes. This is challenging due to occlusion between…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Yinghao Huang , Omid Tehari , Michael J. Black , Dimitrios Tzionas

Human performance capture is a highly important computer vision problem with many applications in movie production and virtual/augmented reality. Many previous performance capture approaches either required expensive multi-view setups or…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Marc Habermann , Weipeng Xu , Michael Zollhoefer , Gerard Pons-Moll , Christian Theobalt

Motion capture now underpins content creation far beyond digital humans, yet most existing pipelines remain species- or template-specific. We formalize this gap as Category-Agnostic Motion Capture (CAMoCap): given a monocular video and an…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Kehong Gong , Zhengyu Wen , Weixia He , Mingxi Xu , Qi Wang , Ning Zhang , Zhengyu Li , Dongze Lian , Wei Zhao , Xiaoyu He , Mingyuan Zhang

Privacy preservation is a prerequisite for using video data in Operating Room (OR) research. Effective anonymization relies on the exhaustive localization of every individual; even a single missed detection necessitates extensive manual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Keqi Chen , Vinkle Srivastav , Armine Vardazaryan , Cindy Rolland , Didier Mutter , Nicolas Padoy

Recently, occluded person re-identification(Re-ID) remains a challenging task that people are frequently obscured by other people or obstacles, especially in a crowd massing situation. In this paper, we propose a self-supervised deep…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Mi Zhou , Hongye Liu , Zhekun Lv , Wei Hong , Xiai Chen

Optical motion capture systems have become a widely used technology in various fields, such as augmented reality, robotics, movie production, etc. Such systems use a large number of cameras to triangulate the position of optical markers.The…

Machine Learning · Computer Science 2018-09-26 Taras Kucherenko , Jonas Beskow , Hedvig Kjellström

Capturing challenging human motions is critical for numerous applications, but it suffers from complex motion patterns and severe self-occlusion under the monocular setting. In this paper, we propose ChallenCap -- a template-based approach…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Yannan He , Anqi Pang , Xin Chen , Han Liang , Minye Wu , Yuexin Ma , Lan Xu

We introduce a new method that generates photo-realistic humans under novel views and poses given a monocular video as input. Despite the significant progress recently on this topic, with several methods exploring shared canonical neural…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Tiantian Wang , Nikolaos Sarafianos , Ming-Hsuan Yang , Tony Tung

The proliferation of commercial egocentric devices offers a unique lens into human behavior, yet reconstructing full-body 3D motion remains difficult due to frequent self-occlusion and the 'out-of-sight' nature of the wearer's limbs. While…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Kyungwon Cho , Hanbyul Joo

We present a novel locality-based learning method for cleaning and solving optical motion capture data. Given noisy marker data, we propose a new heterogeneous graph neural network which treats markers and joints as different types of…

Although significant progress has been achieved on monocular maker-less human motion capture in recent years, it is still hard for state-of-the-art methods to obtain satisfactory results in occlusion scenarios. There are two main reasons:…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Buzhen Huang , Yuan Shu , Jingyi Ju , Yangang Wang

In recent years, Neural Radiance Fields (NeRF) have achieved remarkable progress in dynamic human reconstruction and rendering. Part-based rendering paradigms, guided by human segmentation, allow for flexible parameter allocation based on…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Yao Lu , Jiawei Li , Ming Jiang

Most existing monocular 3D pose estimation approaches only focus on a single body part, neglecting the fact that the essential nuance of human motion is conveyed through a concert of subtle movements of face, hands, and body. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Yu Rong , Takaaki Shiratori , Hanbyul Joo

Unsupervised Learning based monocular visual odometry (VO) has lately drawn significant attention for its potential in label-free leaning ability and robustness to camera parameters and environmental variations. However, partially due to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-18 Yang Li , Yoshitaka Ushiku , Tatsuya Harada