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Stochastic video generation is particularly challenging when the camera is mounted on a moving platform, as camera motion interacts with observed image pixels, creating complex spatio-temporal dynamics and making the problem partially…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Meenakshi Sarkar , Devansh Bhardwaj , Debasish Ghose

We propose an end-to-end trainable, cross-category method for reconstructing multiple man-made articulated objects from a single RGBD image, focusing on part-level shape reconstruction and pose and kinematics estimation. We depart from…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Yuki Kawana , Tatsuya Harada

We address the problem of photorealistic 3D face avatar synthesis from sparse images. Existing Parametric models for face avatar reconstruction struggle to generate details that originate from inputs. Meanwhile, although current NeRF-based…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Weichen Zhang , Xiang Zhou , Yukang Cao , Wensen Feng , Chun Yuan

This paper addresses the problem of 3D human body shape and pose estimation from an RGB image. This is often an ill-posed problem, since multiple plausible 3D bodies may match the visual evidence present in the input - particularly when the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Akash Sengupta , Ignas Budvytis , Roberto Cipolla

Statistical 3D shape models of the head, hands, and fullbody are widely used in computer vision and graphics. Despite their wide use, we show that existing models of the head and hands fail to capture the full range of motion for these…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Ahmed A. A. Osman , Timo Bolkart , Dimitrios Tzionas , Michael J. Black

High-fidelity head avatar reconstruction plays a crucial role in AR/VR, gaming, and multimedia content creation. Recent advances in 3D Gaussian Splatting (3DGS) have demonstrated effectiveness in modeling complex geometry with real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Shikun Zhang , Cunjian Chen , Yiqun Wang , Qiuhong Ke , Yong Li

Simple tree models for articulated objects prevails in the last decade. However, it is also believed that these simple tree models are not capable of capturing large variations in many scenarios, such as human pose estimation. This paper…

Computer Vision and Pattern Recognition · Computer Science 2013-05-13 Fang Wang , Yi Li

We present SimXR, a method for controlling a simulated avatar from information (headset pose and cameras) obtained from AR / VR headsets. Due to the challenging viewpoint of head-mounted cameras, the human body is often clipped out of view,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Zhengyi Luo , Jinkun Cao , Rawal Khirodkar , Alexander Winkler , Jing Huang , Kris Kitani , Weipeng Xu

Many works have succeeded in reconstructing Gaussian human avatars from multi-view videos. However, they either struggle to capture pose-dependent appearance details with a single MLP, or rely on a computationally intensive neural network…

Graphics · Computer Science 2025-04-29 Youyi Zhan , Tianjia Shao , Yin Yang , Kun Zhou

Acquisition and rendering of photo-realistic human heads is a highly challenging research problem of particular importance for virtual telepresence. Currently, the highest quality is achieved by volumetric approaches trained in a person…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Amit Raj , Michael Zollhoefer , Tomas Simon , Jason Saragih , Shunsuke Saito , James Hays , Stephen Lombardi

We introduce a highly robust GAN-based framework for digitizing a normalized 3D avatar of a person from a single unconstrained photo. While the input image can be of a smiling person or taken in extreme lighting conditions, our method can…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Huiwen Luo , Koki Nagano , Han-Wei Kung , Mclean Goldwhite , Qingguo Xu , Zejian Wang , Lingyu Wei , Liwen Hu , Hao Li

Reconstructing an avatar from a portrait image has many applications in multimedia, but remains a challenging research problem. Extracting reflectance maps and geometry from one image is ill-posed: recovering geometry is a one-to-many…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Abdallah Dib , Luiz Gustavo Hafemann , Emeline Got , Trevor Anderson , Amin Fadaeinejad , Rafael M. O. Cruz , Marc-Andre Carbonneau

To bring digital avatars into people's lives, it is highly demanded to efficiently generate complete, realistic, and animatable head avatars. This task is challenging, and it is difficult for existing methods to satisfy all the requirements…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Sijing Wu , Yichao Yan , Yunhao Li , Yuhao Cheng , Wenhan Zhu , Ke Gao , Xiaobo Li , Guangtao Zhai

Articulated objects, such as laptops and drawers, exhibit significant challenges for 3D reconstruction and pose estimation due to their multi-part geometries and variable joint configurations, which introduce structural diversity across…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 WenBo Xu , Liu Liu , Li Zhang , Ran Zhang , Hao Wu , Dan Guo , Meng Wang

The appearance of a human in clothing is driven not only by the pose but also by its temporal context, i.e., motion. However, such context has been largely neglected by existing monocular human modeling methods whose neural networks often…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Hansol Lee , Junuk Cha , Yunhoe Ku , Jae Shin Yoon , Seungryul Baek

Generative modeling of anatomical structures plays a crucial role in virtual imaging trials, which allow researchers to perform studies without the costs and constraints inherent to in vivo and phantom studies. For clinical relevance,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Bram de Wilde , Max T. Rietberg , Guillaume Lajoinie , Jelmer M. Wolterink

Reconstruction of the shape and motion of humans from RGB-D is a challenging problem, receiving much attention in recent years. Recent approaches for full-body reconstruction use a statistic shape model, which is built upon accurate…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Ryosuke Kimura , Akihiko Sayo , Fabian Lorenzo Dayrit , Yuta Nakashima , Hiroshi Kawasaki , Ambrosio Blanco , Katsushi Ikeuchi

Creating animatable avatars from static scans requires the modeling of clothing deformations in different poses. Existing learning-based methods typically add pose-dependent deformations upon a minimally-clothed mesh template or a learned…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Hongwen Zhang , Siyou Lin , Ruizhi Shao , Yuxiang Zhang , Zerong Zheng , Han Huang , Yandong Guo , Yebin Liu

In this paper we predict a full 3D avatar of a person from a single image. We infer texture and geometry in the UV-space of the SMPL model using an image-to-image translation method. Given partial texture and segmentation layout maps…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Verica Lazova , Eldar Insafutdinov , Gerard Pons-Moll

We study the problem of estimating the body movements of a camera wearer from egocentric videos. Current methods for ego-body pose estimation rely on temporally dense sensor data, such as IMU measurements from spatially sparse body parts…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Seunggeun Chi , Pin-Hao Huang , Enna Sachdeva , Hengbo Ma , Karthik Ramani , Kwonjoon Lee