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As a powerful representation of 3D scenes, the neural radiance field (NeRF) enables high-quality novel view synthesis from multi-view images. Stylizing NeRF, however, remains challenging, especially on simulating a text-guided style with…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Can Wang , Ruixiang Jiang , Menglei Chai , Mingming He , Dongdong Chen , Jing Liao

Although human reconstruction typically results in human-specific avatars, recent 3D scene reconstruction techniques utilizing pixel-aligned features show promise in generalizing to new scenes. Applying these techniques to human avatar…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Jinlong Fan , Jing Zhang , Zhi Hou , Dacheng Tao

We introduce a novel framework that learns a dynamic neural radiance field (NeRF) for full-body talking humans from monocular videos. Prior work represents only the body pose or the face. However, humans communicate with their full body,…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Aggelina Chatziagapi , Bindita Chaudhuri , Amit Kumar , Rakesh Ranjan , Dimitris Samaras , Nikolaos Sarafianos

This paper presents a method, namely NeuS-PIR, for recovering relightable neural surfaces using pre-integrated rendering from multi-view images or video. Unlike methods based on NeRF and discrete meshes, our method utilizes implicit neural…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Shi Mao , Chenming Wu , Zhelun Shen , Yifan Wang , Dayan Wu , Liangjun Zhang

We present a new approach to creating photorealistic and relightable head avatars from a phone scan with unknown illumination. The reconstructed avatars can be animated and relit in real time with the global illumination of diverse…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Junxuan Li , Chen Cao , Gabriel Schwartz , Rawal Khirodkar , Christian Richardt , Tomas Simon , Yaser Sheikh , Shunsuke Saito

Neural Radiance Field (NeRF) has been widely recognized for its excellence in novel view synthesis and 3D scene reconstruction. However, their effectiveness is inherently tied to the assumption of static scenes, rendering them susceptible…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Jiahao Chen , Yipeng Qin , Lingjie Liu , Jiangbo Lu , Guanbin Li

3D facial avatar reconstruction has been a significant research topic in computer graphics and computer vision, where photo-realistic rendering and flexible controls over poses and expressions are necessary for many related applications.…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Wangbo Yu , Yanbo Fan , Yong Zhang , Xuan Wang , Fei Yin , Yunpeng Bai , Yan-Pei Cao , Ying Shan , Yang Wu , Zhongqian Sun , Baoyuan Wu

Recent works use the Neural radiance field (NeRF) to perform multi-view 3D reconstruction, providing a significant leap in rendering photorealistic scenes. However, despite its efficacy, NeRF exhibits limited capability of learning…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Congyue Deng , Jiawei Yang , Leonidas Guibas , Yue Wang

In high-end visual effects pipelines, a customized (and expensive) light stage system is (typically) used to scan an actor in order to acquire both geometry and texture for various expressions. Aiming towards democratization, we propose a…

图形学 · 计算机科学 2024-01-31 Yilin Zhu , Dalton Omens , Haodi He , Ron Fedkiw

3D rendering of dynamic face captures is a challenging problem, and it demands improvements on several fronts$\unicode{x2014}$photorealism, efficiency, compatibility, and configurability. We present a novel representation that enables…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Safa C. Medin , Gengyan Li , Ruofei Du , Stephan Garbin , Philip Davidson , Gregory W. Wornell , Thabo Beeler , Abhimitra Meka

Volumetric neural rendering methods, such as neural radiance fields (NeRFs), have enabled photo-realistic novel view synthesis. However, in their standard form, NeRFs do not support the editing of objects, such as a human head, within a…

计算机视觉与模式识别 · 计算机科学 2022-06-15 ShahRukh Athar , Zexiang Xu , Kalyan Sunkavalli , Eli Shechtman , Zhixin Shu

Neural Radiance Fields (NeRFs) have shown great potential in modeling 3D scenes. Dynamic NeRFs extend this model by capturing time-varying elements, typically using deformation fields. The existing dynamic NeRFs employ a similar Eulerian…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Ancheng Lin , Yusheng Xiang , Jun Li , Mukesh Prasad

In this paper, we focus on the problem of rendering novel views from a Neural Radiance Field (NeRF) under unobserved light conditions. To this end, we introduce a novel dataset, dubbed ReNe (Relighting NeRF), framing real world objects…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Marco Toschi , Riccardo De Matteo , Riccardo Spezialetti , Daniele De Gregorio , Luigi Di Stefano , Samuele Salti

The success of the Neural Radiance Fields (NeRFs) for modeling and free-view rendering static objects has inspired numerous attempts on dynamic scenes. Current techniques that utilize neural rendering for facilitating free-view videos…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Liao Wang , Qiang Hu , Qihan He , Ziyu Wang , Jingyi Yu , Tinne Tuytelaars , Lan Xu , Minye Wu

Neural Radiance Fields (NeRFs) have shown remarkable success in synthesizing photorealistic views from multi-view images of static scenes, but face challenges in dynamic, real-world environments with distractors like moving objects,…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Weining Ren , Zihan Zhu , Boyang Sun , Jiaqi Chen , Marc Pollefeys , Songyou Peng

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…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Yang Liu , Xiang Huang , Minghan Qin , Qinwei Lin , Haoqian Wang

The standard Neural Radiance Fields (NeRF) paradigm employs a viewer-centered methodology, entangling the aspects of illumination and material reflectance into emission solely from 3D points. This simplified rendering approach presents…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Ziteng Cui , Lin Gu , Xiao Sun , Xianzheng Ma , Yu Qiao , Tatsuya Harada

We present High Dynamic Range Neural Radiance Fields (HDR-NeRF) to recover an HDR radiance field from a set of low dynamic range (LDR) views with different exposures. Using the HDR-NeRF, we are able to generate both novel HDR views and…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Xuan Wang , Qing Wang

We introduce Neural Point Light Fields that represent scenes implicitly with a light field living on a sparse point cloud. Combining differentiable volume rendering with learned implicit density representations has made it possible to…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Julian Ost , Issam Laradji , Alejandro Newell , Yuval Bahat , Felix Heide

Neural Radiance Fields (NeRFs) are emerging as a ubiquitous scene representation that allows for novel view synthesis. Increasingly, NeRFs will be shareable with other people. Before sharing a NeRF, though, it might be desirable to remove…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Silvan Weder , Guillermo Garcia-Hernando , Aron Monszpart , Marc Pollefeys , Gabriel Brostow , Michael Firman , Sara Vicente