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Modeling animatable human avatars from RGB videos is a long-standing and challenging problem. Recent works usually adopt MLP-based neural radiance fields (NeRF) to represent 3D humans, but it remains difficult for pure MLPs to regress…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Zhe Li , Yipengjing Sun , Zerong Zheng , Lizhen Wang , Shengping Zhang , Yebin Liu

Photorealistic rendering and reposing of humans is important for enabling augmented reality experiences. We propose a novel framework to reconstruct the human and the scene that can be rendered with novel human poses and views from just a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Wei Jiang , Kwang Moo Yi , Golnoosh Samei , Oncel Tuzel , Anurag Ranjan

Neural radiance fields (NeRFs) are able to synthesize realistic novel views from multi-view images captured from distinct positions and perspectives. In NeRF's rendering pipeline, neural networks are used to represent a scene independently…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Kang Han , Wei Xiang , Lu Yu

Real-time rendering of high-fidelity and animatable avatars from monocular videos remains a challenging problem in computer vision and graphics. Over the past few years, the Neural Radiance Field (NeRF) has made significant progress in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Qipeng Yan , Mingyang Sun , Lihua Zhang

Recently, the reconstruction of high-fidelity 3D head models from static portrait image has made great progress. However, most methods require multi-view or multi-illumination information, which therefore put forward high requirements for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Xueying Wang , Juyong Zhang

Neural radiance fields are capable of reconstructing high-quality drivable human avatars but are expensive to train and render and not suitable for multi-human scenes with complex shadows. To reduce consumption, we propose Animatable 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Yang Liu , Xiang Huang , Minghan Qin , Qinwei Lin , Haoqian Wang

Neural Radiance Fields (NeRF) are compelling techniques for modeling dynamic 3D scenes from 2D image collections. These volumetric representations would be well suited for synthesizing novel facial expressions but for two problems. First,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Heng Yu , Koichiro Niinuma , Laszlo A. Jeni

Generating high-fidelity talking head video by fitting with the input audio sequence is a challenging problem that receives considerable attentions recently. In this paper, we address this problem with the aid of neural scene representation…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yudong Guo , Keyu Chen , Sen Liang , Yong-Jin Liu , Hujun Bao , Juyong Zhang

The success of the GAN-NeRF structure has enabled face editing on NeRF to maintain 3D view consistency. However, achieving simultaneously multi-view consistency and temporal coherence while editing video sequences remains a formidable…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Hao Zhang , Yu-Wing Tai , Chi-Keung Tang

Generating animatable human avatars from a single image is essential for various digital human modeling applications. Existing 3D reconstruction methods often struggle to capture fine details in animatable models, while generative…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Lingteng Qiu , Shenhao Zhu , Qi Zuo , Xiaodong Gu , Yuan Dong , Junfei Zhang , Chao Xu , Zhe Li , Weihao Yuan , Liefeng Bo , Guanying Chen , Zilong Dong

Two major approaches exist for creating animatable human avatars. The first, a 3D-based approach, optimizes a NeRF- or 3DGS-based avatar from videos of a single person, achieving personalization through a disentangled identity…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Geonhee Sim , Gyeongsik Moon

In the rapidly evolving landscape of digital content creation, the demand for fast, convenient, and autonomous methods of crafting detailed 3D reconstructions of humans has grown significantly. Addressing this pressing need, our AirNeRF…

Robotics · Computer Science 2024-07-16 Alexey Kotcov , Maria Dronova , Vladislav Cheremnykh , Sausar Karaf , Dzmitry Tsetserukou

Our goal is to efficiently learn personalized animatable 3D head avatars from videos that are geometrically accurate, realistic, relightable, and compatible with current rendering systems. While 3D meshes enable efficient processing and are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Shrisha Bharadwaj , Yufeng Zheng , Otmar Hilliges , Michael J. Black , Victoria Fernandez-Abrevaya

Pose-free neural radiance fields (NeRF) aim to train NeRF with unposed multi-view images and it has achieved very impressive success in recent years. Most existing works share the pipeline of training a coarse pose estimator with rendered…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Jiahui Zhang , Fangneng Zhan , Yingchen Yu , Kunhao Liu , Rongliang Wu , Xiaoqin Zhang , Ling Shao , Shijian Lu

We present Factor Fields, a novel framework for modeling and representing signals. Factor Fields decomposes a signal into a product of factors, each represented by a classical or neural field representation which operates on transformed…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Anpei Chen , Zexiang Xu , Xinyue Wei , Siyu Tang , Hao Su , Andreas Geiger

Superior human pose and shape reconstruction from monocular images depends on removing the ambiguities caused by occlusions and shape variance. Recent works succeed in regression-based methods which estimate parametric models directly…

Computer Vision and Pattern Recognition · Computer Science 2021-02-01 Min Wang , Feng Qiu , Wentao Liu , Chen Qian , Xiaowei Zhou , Lizhuang Ma

We present a new pose transfer method for synthesizing a human animation from a single image of a person controlled by a sequence of body poses. Existing pose transfer methods exhibit significant visual artifacts when applying to a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Jae Shin Yoon , Lingjie Liu , Vladislav Golyanik , Kripasindhu Sarkar , Hyun Soo Park , Christian Theobalt

Rendering photorealistic and dynamically moving human heads is crucial for ensuring a pleasant and immersive experience in AR/VR and video conferencing applications. However, existing methods often struggle to model challenging facial…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Cong Wang , Di Kang , Yan-Pei Cao , Linchao Bao , Ying Shan , Song-Hai Zhang

We have recently seen great progress in building photorealistic animatable full-body codec avatars, but generating high-fidelity animation of clothing is still difficult. To address these difficulties, we propose a method to build an…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Donglai Xiang , Fabian Prada , Timur Bagautdinov , Weipeng Xu , Yuan Dong , He Wen , Jessica Hodgins , Chenglei Wu

We present a novel approach for generating animatable 3D-aware art avatars from a single image, with controllable facial expressions, head poses, and shoulder movements. Unlike previous reenactment methods, our approach utilizes a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Shaoxu Li