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Real-time tracking of human body motion is crucial for interactive and immersive experiences in AR/VR. However, very limited sensor data about the body is available from standalone wearable devices such as HMDs (Head Mounted Devices) or AR…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Alexander Winkler , Jungdam Won , Yuting Ye

We present GaussianAvatar, an efficient approach to creating realistic human avatars with dynamic 3D appearances from a single video. We start by introducing animatable 3D Gaussians to explicitly represent humans in various poses and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Liangxiao Hu , Hongwen Zhang , Yuxiang Zhang , Boyao Zhou , Boning Liu , Shengping Zhang , Liqiang Nie

Recent advances in 3D-aware GAN models have enabled the generation of realistic and controllable human body images. However, existing methods focus on the control of major body joints, neglecting the manipulation of expressive attributes,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Zhongcong Xu , Jianfeng Zhang , Jun Hao Liew , Jiashi Feng , Mike Zheng Shou

Reconstructing two-hand interactions from a single image is a challenging problem due to ambiguities that stem from projective geometry and heavy occlusions. Existing methods are designed to estimate only a single pose, despite the fact…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Jiayi Wang , Diogo Luvizon , Franziska Mueller , Florian Bernard , Adam Kortylewski , Dan Casas , Christian Theobalt

Recent advances in neural radiance fields enable novel view synthesis of photo-realistic images in dynamic settings, which can be applied to scenarios with human animation. Commonly used implicit backbones to establish accurate models,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 HyunJun Jung , Nikolas Brasch , Jifei Song , Eduardo Perez-Pellitero , Yiren Zhou , Zhihao Li , Nassir Navab , Benjamin Busam

3D human generation is an important problem with a wide range of applications in computer vision and graphics. Despite recent progress in generative AI such as diffusion models or rendering methods like Neural Radiance Fields or Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Maksym Ivashechkin , Oscar Mendez , Richard Bowden

Several video-based 3D pose and shape estimation algorithms have been proposed to resolve the temporal inconsistency of single-image-based methods. However it still remains challenging to have stable and accurate reconstruction. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Ziwen Li , Bo Xu , Han Huang , Cheng Lu , Yandong Guo

Digital humans and, especially, 3D facial avatars have raised a lot of attention in the past years, as they are the backbone of several applications like immersive telepresence in AR or VR. Despite the progress, facial avatars reconstructed…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Berna Kabadayi , Wojciech Zielonka , Bharat Lal Bhatnagar , Gerard Pons-Moll , Justus Thies

Modeling animatable human avatars from videos is a long-standing and challenging problem. While conventional methods require per-instance optimization, recent feed-forward methods have been proposed to generate 3D Gaussians with a learnable…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Yifan Liu , Shengjun Zhang , Chensheng Dai , Yang Chen , Hao Liu , Chen Li , Yueqi Duan

Although neural rendering has made significant advances in creating lifelike, animatable full-body and head avatars, incorporating detailed expressions into full-body avatars remains largely unexplored. We present DEGAS, the first 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Zhijing Shao , Duotun Wang , Qing-Yao Tian , Yao-Dong Yang , Hengyu Meng , Zeyu Cai , Bo Dong , Yu Zhang , Kang Zhang , Zeyu Wang

Creating high-fidelity 3D head avatars has always been a research hotspot, but it remains a great challenge under lightweight sparse view setups. In this paper, we propose HHAvatar represented by controllable 3D Gaussians for high-fidelity…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Zhanfeng Liao , Yuelang Xu , Zhe Li , Qijing Li , Boyao Zhou , Ruifeng Bai , Di Xu , Hongwen Zhang , Yebin Liu

The task of human reposing involves generating a realistic image of a person standing in an arbitrary conceivable pose. There are multiple difficulties in generating perceptually accurate images, and existing methods suffer from limitations…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Rishabh Jain , Krishna Kumar Singh , Mayur Hemani , Jingwan Lu , Mausoom Sarkar , Duygu Ceylan , Balaji Krishnamurthy

We present 3DHumanGAN, a 3D-aware generative adversarial network that synthesizes photorealistic images of full-body humans with consistent appearances under different view-angles and body-poses. To tackle the representational and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Zhuoqian Yang , Shikai Li , Wayne Wu , Bo Dai

Learning from human video demonstrations offers a scalable alternative to teleoperation or kinesthetic teaching, but poses challenges for robot manipulators due to embodiment differences and joint feasibility constraints. We address this…

Robotics · Computer Science 2025-09-26 Xiaoxiang Dong , Matthew Johnson-Roberson , Weiming Zhi

In this paper, we target image-based person-to-person virtual try-on in the presence of diverse poses and large viewpoint variations. Existing methods are restricted in this setting as they estimate garment warping flows mainly based on 2D…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Zaiyu Huang , Hanhui Li , Zhenyu Xie , Michael Kampffmeyer , Qingling Cai , Xiaodan Liang

Predicting 3D human poses in real-world scenarios, also known as human pose forecasting, is inevitably subject to noisy inputs arising from inaccurate 3D pose estimations and occlusions. To address these challenges, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Saeed Saadatnejad , Ali Rasekh , Mohammadreza Mofayezi , Yasamin Medghalchi , Sara Rajabzadeh , Taylor Mordan , Alexandre Alahi

Generating digital humans that move realistically has many applications and is widely studied, but existing methods focus on the major limbs of the body, ignoring the hands and head. Hands have been separately studied, but the focus has…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Omid Taheri , Vasileios Choutas , Michael J. Black , Dimitrios Tzionas

We present AvatarPopUp, a method for fast, high quality 3D human avatar generation from different input modalities, such as images and text prompts and with control over the generated pose and shape. The common theme is the use of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Nikos Kolotouros , Thiemo Alldieck , Enric Corona , Eduard Gabriel Bazavan , Cristian Sminchisescu

Recovering 3D human poses from a monocular camera view is a highly ill-posed problem due to the depth ambiguity. Earlier studies on 3D human pose lifting from 2D often contain incorrect-yet-overconfident 3D estimations. To mitigate the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Cuong Le , Pavlo Melnyk , Bastian Wandt , Mårten Wadenbäck

Estimating 3D full-body pose from sparse sensor data is a pivotal technique employed for the reconstruction of realistic human motions in Augmented Reality and Virtual Reality. However, translating sparse sensor signals into comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Feiyu Yao , Zongkai Wu , Li Yi