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Recent advancements in 4D scene reconstruction using neural radiance fields (NeRF) have demonstrated the ability to represent dynamic scenes from multi-view videos. However, they fail to reconstruct the dynamic scenes and struggle to fit…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Seoha Kim , Jeongmin Bae , Youngsik Yun , Hahyun Lee , Gun Bang , Youngjung Uh

Neural Radiance Fields (NeRF) achieve photo-realistic view synthesis with densely captured input images. However, the geometry of NeRF is extremely under-constrained given sparse views, resulting in significant degradation of novel view…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Zheng Chen , Chen Wang , Yuan-Chen Guo , Song-Hai Zhang

Neural Radiance Fields (NeRFs) aim to synthesize novel views of objects and scenes, given the object-centric camera views with large overlaps. However, we conjugate that this paradigm does not fit the nature of the street views that are…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Ziyang Xie , Junge Zhang , Wenye Li , Feihu Zhang , Li Zhang

Neural Radiance Fields (NeRFs) have demonstrated prominent performance in novel view synthesis. However, their input heavily relies on image acquisition under normal light conditions, making it challenging to learn accurate scene…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Min Wang , Xin Huang , Guoqing Zhou , Qifeng Guo , Qing Wang

Neural Radiance Field (NeRF) has exhibited outstanding three-dimensional (3D) reconstruction quality via the novel view synthesis from multi-view images and paired calibrated camera parameters. However, previous NeRF-based systems have been…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Dogyoon Lee , Minhyeok Lee , Chajin Shin , Sangyoun Lee

Neural Radiance Field (NeRF) has broken new ground in the novel view synthesis due to its simple concept and state-of-the-art quality. However, it suffers from severe performance degradation unless trained with a dense set of images with…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Seunghyeon Seo , Donghoon Han , Yeonjin Chang , Nojun Kwak

Neural radiance fields (NeRF) has gained significant attention for its exceptional visual effects. However, most existing NeRF methods reconstruct 3D scenes from RGB images captured by visible light cameras. In practical scenarios like…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Chonghao Zhong , Chao Xu

Neural rendering has garnered substantial attention owing to its capacity for creating realistic 3D scenes. However, its applicability to extensive scenes remains challenging, with limitations in effectiveness. In this work, we propose the…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Zhihao Jia , Bing Wang , Changhao Chen

Neural rendering has demonstrated remarkable success in dynamic scene reconstruction. Thanks to the expressiveness of neural representations, prior works can accurately capture the motion and achieve high-fidelity reconstruction of the…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Hengyi Wang , Jingwen Wang , Lourdes Agapito

This paper presents a unified surface reconstruction and rendering framework for LiDAR-visual systems, integrating Neural Radiance Fields (NeRF) and Neural Distance Fields (NDF) to recover both appearance and structural information from…

机器人学 · 计算机科学 2024-09-10 Jianheng Liu , Chunran Zheng , Yunfei Wan , Bowen Wang , Yixi Cai , Fu Zhang

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 (NeRFs) have become a ubiquitous tool for modeling scene appearance and geometry from multiview imagery. Recent work has also begun to explore how to use additional supervision from lidar or depth sensor measurements…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Anagh Malik , Parsa Mirdehghan , Sotiris Nousias , Kiriakos N. Kutulakos , David B. Lindell

Online reconstructing and rendering of large-scale indoor scenes is a long-standing challenge. SLAM-based methods can reconstruct 3D scene geometry progressively in real time but can not render photorealistic results. While NeRF-based…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Yiming Gao , Yan-Pei Cao , Ying Shan

The quality of three-dimensional reconstruction is a key factor affecting the effectiveness of its application in areas such as virtual reality (VR) and augmented reality (AR) technologies. Neural Radiance Fields (NeRF) can generate…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Qianqiu Tan , Tao Liu , Yinling Xie , Shuwan Yu , Baohua Zhang

In this paper, we aim to learn a semantic radiance field from multiple scenes that is accurate, efficient and generalizable. While most existing NeRFs target at the tasks of neural scene rendering, image synthesis and multi-view…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Fangfu Liu , Chubin Zhang , Yu Zheng , Yueqi Duan

Neural Radiance Fields (NeRF) have demonstrated impressive potential in synthesizing novel views from dense input, however, their effectiveness is challenged when dealing with sparse input. Existing approaches that incorporate additional…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Zhangkai Ni , Peiqi Yang , Wenhan Yang , Hanli Wang , Lin Ma , Sam Kwong

We propose DistillNeRF, a self-supervised learning framework addressing the challenge of understanding 3D environments from limited 2D observations in outdoor autonomous driving scenes. Our method is a generalizable feedforward model that…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Letian Wang , Seung Wook Kim , Jiawei Yang , Cunjun Yu , Boris Ivanovic , Steven L. Waslander , Yue Wang , Sanja Fidler , Marco Pavone , Peter Karkus

Neural Radiance Fields (NeRF) give rise to learning-based 3D reconstruction methods widely used in industrial applications. Although prevalent methods achieve considerable improvements in small-scale scenes, accomplishing reconstruction in…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Bingnan Ni , Huanyu Wang , Dongfeng Bai , Minghe Weng , Dexin Qi , Weichao Qiu , Bingbing Liu

Neural networks can represent and accurately reconstruct radiance fields for static 3D scenes (e.g., NeRF). Several works extend these to dynamic scenes captured with monocular video, with promising performance. However, the monocular…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Benjamin Attal , Eliot Laidlaw , Aaron Gokaslan , Changil Kim , Christian Richardt , James Tompkin , Matthew O'Toole

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