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Human image animation involves generating a video from a static image by following a specified pose sequence. Current approaches typically adopt a multi-stage pipeline that separately learns appearance and motion, which often leads to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Qilin Wang , Zhengkai Jiang , Chengming Xu , Jiangning Zhang , Yabiao Wang , Xinyi Zhang , Yun Cao , Weijian Cao , Chengjie Wang , Yanwei Fu

Motion capture is facing some new possibilities brought by the inertial sensing technologies which do not suffer from occlusion or wide-range recordings as vision-based solutions do. However, as the recorded signals are sparse and quite…

Graphics · Computer Science 2021-05-12 Xinyu Yi , Yuxiao Zhou , Feng Xu

Despite significant progress in single image-based 3D human mesh recovery, accurately and smoothly recovering 3D human motion from a video remains challenging. Existing video-based methods generally recover human mesh by estimating the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yingxuan You , Hong Liu , Ti Wang , Wenhao Li , Runwei Ding , Xia Li

In the era of deep learning, human pose estimation from multiple cameras with unknown calibration has received little attention to date. We show how to train a neural model to perform this task with high precision and minimal latency…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Ben Usman , Andrea Tagliasacchi , Kate Saenko , Avneesh Sud

In visual localization, Absolute Pose Regression (APR) enables real-time 6-DoF camera pose inference from single images, yet critically depends on fine-tuning data quality and coverage. While recent methods leverage 3D Gaussian Splatting…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yanan Zhou , Zhaoyan Qian , Yanli Li , Nan Yang , Zhongliang Guo , Dong Yuan

Human Pose Estimation (HPE) to assess human motion in sports, rehabilitation or work safety requires accurate sensing without compromising the sensitive underlying personal data. Therefore, local processing is necessary and the limited…

Signal Processing · Electrical Eng. & Systems 2024-02-13 Iris Fürst-Walter , Antonio Nappi , Tanja Harbaum , Jürgen Becker

Dense 3D reconstruction from RGB images traditionally assumes static camera pose estimates. This assumption has endured, even as recent works have increasingly focused on real-time methods for mobile devices. However, the assumption of a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Noah Stier , Baptiste Angles , Liang Yang , Yajie Yan , Alex Colburn , Ming Chuang

We present FlexNeRF, a method for photorealistic freeviewpoint rendering of humans in motion from monocular videos. Our approach works well with sparse views, which is a challenging scenario when the subject is exhibiting fast/complex…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Vinoj Jayasundara , Amit Agrawal , Nicolas Heron , Abhinav Shrivastava , Larry S. Davis

Sensor-based Human Activity Recognition facilitates unobtrusive monitoring of human movements. However, determining the most effective sensor placement for optimal classification performance remains challenging. This paper introduces a…

Machine Learning · Computer Science 2023-07-07 Orhan Konak , Alexander Wischmann , Robin van de Water , Bert Arnrich

IMUs are regularly used to sense human motion, recognize activities, and estimate full-body pose. Users are typically required to place sensors in predefined locations that are often dictated by common wearable form factors and the machine…

Human-Computer Interaction · Computer Science 2025-08-05 Haozhe Zhou , Riku Arakawa , Yuvraj Agarwal , Mayank Goel

We present a new solution to egocentric 3D body pose estimation from monocular images captured from a downward looking fish-eye camera installed on the rim of a head mounted virtual reality device. This unusual viewpoint, just 2 cm. away…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Denis Tome , Patrick Peluse , Lourdes Agapito , Hernan Badino

This work aims to discuss the current landscape of kinematic analysis tools, ranging from the state-of-the-art in sports biomechanics such as inertial measurement units (IMUs) and retroreflective marker-based optical motion capture (MoCap)…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Kai Armstrong , Alexander Rodrigues , Alexander P. Willmott , Lei Zhang , Xujiong Ye

Pose estimation-guided unseen object 6-DoF robotic manipulation is a key task in robotics. However, the scalability of current pose estimation methods to unseen objects remains a fundamental challenge, as they generally rely on CAD models…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Jian Liu , Wei Sun , Kai Zeng , Jin Zheng , Hui Yang , Hossein Rahmani , Ajmal Mian , Lin Wang

Can freely moving humans or animals themselves serve as calibration targets for multi-camera systems while simultaneously estimating their correspondences across views? We humans can solve this problem by mentally rotating the observed 2D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Sang-Eun Lee , Ko Nishino , Shohei Nobuhara

3D animation of humans in action is quite challenging as it involves using a huge setup with several motion trackers all over the person's body to track the movements of every limb. This is time-consuming and may cause the person discomfort…

Graphics · Computer Science 2020-02-10 Laxman Kumarapu , Prerana Mukherjee

This work is a portable MetaVerse implementation, and we use 3D pose estimation with AI to make virtual avatars do synchronized actions and interact with the environment. The motivation is that we find it inconvenient to use joysticks and…

Artificial Intelligence · Computer Science 2024-10-22 Hao-Tang Tsui , Yu-Rou Tuan , Jia-You Chen

Accurate and efficient surgical robotic tool pose estimation is of fundamental significance to downstream applications such as augmented reality (AR) in surgical training and learning-based autonomous manipulation. While significant…

Image based localization is one of the important problems in computer vision due to its wide applicability in robotics, augmented reality, and autonomous systems. There is a rich set of methods described in the literature how to…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Pulak Purkait , Cheng Zhao , Christopher Zach

To address the challenge of short-term object pose tracking in dynamic environments with monocular RGB input, we introduce a large-scale synthetic dataset OmniPose6D, crafted to mirror the diversity of real-world conditions. We additionally…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Yunzhi Lin , Yipu Zhao , Fu-Jen Chu , Xingyu Chen , Weiyao Wang , Hao Tang , Patricio A. Vela , Matt Feiszli , Kevin Liang

We present iFusion, a novel 3D object reconstruction framework that requires only two views with unknown camera poses. While single-view reconstruction yields visually appealing results, it can deviate significantly from the actual object,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Chin-Hsuan Wu , Yen-Chun Chen , Bolivar Solarte , Lu Yuan , Min Sun