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Dynamic Neural Radiance Field (NeRF) from monocular videos has recently been explored for space-time novel view synthesis and achieved excellent results. However, defocus blur caused by depth variation often occurs in video capture,…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Xianrui Luo , Huiqiang Sun , Juewen Peng , Zhiguo Cao

Volumetric neural rendering methods like NeRF generate high-quality view synthesis results but are optimized per-scene leading to prohibitive reconstruction time. On the other hand, deep multi-view stereo methods can quickly reconstruct…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Qiangeng Xu , Zexiang Xu , Julien Philip , Sai Bi , Zhixin Shu , Kalyan Sunkavalli , Ulrich Neumann

Neural Radiance Fields (NeRF) have achieved huge success in effectively capturing and representing 3D objects and scenes. However, to establish a ubiquitous presence in everyday media formats, such as images and videos, we need to fulfill…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Gyeongjin Kang , Younggeun Lee , Seungjun Oh , Eunbyung Park

Neural radiance fields, or NeRF, represent a breakthrough in the field of novel view synthesis and 3D modeling of complex scenes from multi-view image collections. Numerous recent works have shown the importance of making NeRF models more…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Thibaud Ehret , Roger Marí , Gabriele Facciolo

While dynamic Neural Radiance Fields (NeRF) have shown success in high-fidelity 3D modeling of talking portraits, the slow training and inference speed severely obstruct their potential usage. In this paper, we propose an efficient…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Jiaxiang Tang , Kaisiyuan Wang , Hang Zhou , Xiaokang Chen , Dongliang He , Tianshu Hu , Jingtuo Liu , Gang Zeng , Jingdong Wang

Recent advances in Neural radiance fields (NeRF) have enabled high-fidelity scene reconstruction for novel view synthesis. However, NeRF requires hundreds of network evaluations per pixel to approximate a volume rendering integral, making…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Yifan Wang , Yi Gong , Yuan Zeng

The emergence of Neural Radiance Fields (NeRF) for novel view synthesis has increased interest in 3D scene editing. An essential task in editing is removing objects from a scene while ensuring visual reasonability and multiview consistency.…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Youtan Yin , Zhoujie Fu , Fan Yang , Guosheng Lin

We present a method for composing photorealistic scenes from captured images of objects. Our work builds upon neural radiance fields (NeRFs), which implicitly model the volumetric density and directionally-emitted radiance of a scene. While…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Michelle Guo , Alireza Fathi , Jiajun Wu , Thomas Funkhouser

Implicit neural representations have shown powerful capacity in modeling real-world 3D scenes, offering superior performance in novel view synthesis. In this paper, we target a more challenging scenario, i.e., joint scene novel view…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Yuxin Wang , Wayne Wu , Dan Xu

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…

机器人学 · 计算机科学 2024-07-16 Alexey Kotcov , Maria Dronova , Vladislav Cheremnykh , Sausar Karaf , Dzmitry Tsetserukou

While Neural Radiance Fields (NeRFs) had achieved unprecedented novel view synthesis results, they have been struggling in dealing with large-scale cluttered scenes with sparse input views and highly view-dependent appearances.…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang

We propose pixelNeRF, a learning framework that predicts a continuous neural scene representation conditioned on one or few input images. The existing approach for constructing neural radiance fields involves optimizing the representation…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Alex Yu , Vickie Ye , Matthew Tancik , Angjoo Kanazawa

We present a system for applying sim2real approaches to "in the wild" scenes with realistic visuals, and to policies which rely on active perception using RGB cameras. Given a short video of a static scene collected using a generic phone,…

Recent efforts in Neural Rendering Fields (NeRF) have shown impressive results on novel view synthesis by utilizing implicit neural representation to represent 3D scenes. Due to the process of volumetric rendering, the inference speed for…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Junli Cao , Huan Wang , Pavlo Chemerys , Vladislav Shakhrai , Ju Hu , Yun Fu , Denys Makoviichuk , Sergey Tulyakov , Jian Ren

Radiance field methods such as Neural Radiance Fields (NeRFs) or 3D Gaussian Splatting (3DGS), have revolutionized graphics and novel view synthesis. Their ability to synthesize new viewpoints with photo-realistic quality, as well as…

机器人学 · 计算机科学 2025-05-19 Maximum Wilder-Smith , Vaishakh Patil , Marco Hutter

Neural Radiance Field (NeRF) has achieved substantial progress in novel view synthesis given multi-view images. Recently, some works have attempted to train a NeRF from a single image with 3D priors. They mainly focus on a limited field of…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Guangcong Wang , Peng Wang , Zhaoxi Chen , Wenping Wang , Chen Change Loy , Ziwei Liu

Neural radiance fields (NeRF) have shown great potentials in representing 3D scenes and synthesizing novel views, but the computational overhead of NeRF at the inference stage is still heavy. To alleviate the burden, we delve into the…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Jiemin Fang , Lingxi Xie , Xinggang Wang , Xiaopeng Zhang , Wenyu Liu , Qi Tian

We present neural radiance fields for rendering and temporal (4D) reconstruction of humans in motion (H-NeRF), as captured by a sparse set of cameras or even from a monocular video. Our approach combines ideas from neural scene…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Hongyi Xu , Thiemo Alldieck , Cristian Sminchisescu

Neural Radiance Fields (NeRF) have been proposed for photorealistic novel view rendering. However, it requires many different views of one scene for training. Moreover, it has poor generalizations to new scenes and requires retraining or…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Yurui Chen , Chun Gu , Feihu Zhang , Li Zhang

Instant on-device Neural Radiance Fields (NeRFs) are in growing demand for unleashing the promise of immersive AR/VR experiences, but are still limited by their prohibitive training time. Our profiling analysis reveals a memory-bound…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Yang Zhao , Shang Wu , Jingqun Zhang , Sixu Li , Chaojian Li , Yingyan Lin