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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

Neural radiance fields (NeRFs) have achieved impressive view synthesis results by learning an implicit volumetric representation from multi-view images. To project the implicit representation into an image, NeRF employs volume rendering…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Y. Wang , J. Xu , Y. Zeng , Y. Gong

A commonly observed failure mode of Neural Radiance Field (NeRF) is fitting incorrect geometries when given an insufficient number of input views. One potential reason is that standard volumetric rendering does not enforce the constraint…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Kangle Deng , Andrew Liu , Jun-Yan Zhu , Deva Ramanan

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 present a learning-based method for synthesizing novel views of complex scenes using only unstructured collections of in-the-wild photographs. We build on Neural Radiance Fields (NeRF), which uses the weights of a multilayer perceptron…

计算机视觉与模式识别 · 计算机科学 2021-01-07 Ricardo Martin-Brualla , Noha Radwan , Mehdi S. M. Sajjadi , Jonathan T. Barron , Alexey Dosovitskiy , Daniel Duckworth

A variety of Neural Radiance Fields (NeRF) methods have recently achieved remarkable success in high render speed. However, current accelerating methods are specialized and incompatible with various implicit methods, preventing real-time…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Xinyu Gao , Ziyi Yang , Yunlu Zhao , Yuxiang Sun , Xiaogang Jin , Changqing Zou

Neural Radiance Fields (NeRF) is a popular view synthesis technique that represents a scene as a continuous volumetric function, parameterized by multilayer perceptrons that provide the volume density and view-dependent emitted radiance at…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Dor Verbin , Peter Hedman , Ben Mildenhall , Todd Zickler , Jonathan T. Barron , Pratul P. Srinivasan

With dense inputs, Neural Radiance Fields (NeRF) is able to render photo-realistic novel views under static conditions. Although the synthesis quality is excellent, existing NeRF-based methods fail to obtain moderate three-dimensional (3D)…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Shu Chen , Junyao Li , Yang Zhang , Beiji Zou

We introduce a novel depth estimation technique for multi-frame structured light setups using neural implicit representations of 3D space. Our approach employs a neural signed distance field (SDF), trained through self-supervised…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Rukun Qiao , Hiroshi Kawasaki , Hongbin Zha

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

Neural Radiance Fields (NeRFs) encode the radiance in a scene parameterized by the scene's plenoptic function. This is achieved by using an MLP together with a mapping to a higher-dimensional space, and has been proven to capture scenes…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Siddhant Ranade , Christoph Lassner , Kai Li , Christian Haene , Shen-Chi Chen , Jean-Charles Bazin , Sofien Bouaziz

3D modeling from satellite imagery is essential in areas of environmental science, urban planning, agriculture, and disaster response. However, traditional 3D modeling techniques face unique challenges in the remote sensing context,…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Nikhil Behari , Akshat Dave , Kushagra Tiwary , William Yang , Ramesh Raskar

In recent years, Neural Radiance Fields (NeRFs) have demonstrated significant potential in encoding highly-detailed 3D geometry and environmental appearance, positioning themselves as a promising alternative to traditional explicit…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Tianxiang Ye , Qi Wu , Junyuan Deng , Guoqing Liu , Liu Liu , Songpengcheng Xia , Liang Pang , Wenxian Yu , Ling Pei

Digital surface model generation using traditional multi-view stereo matching (MVS) performs poorly over non-Lambertian surfaces, with asynchronous acquisitions, or at discontinuities. Neural radiance fields (NeRF) offer a new paradigm for…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Lulin Zhang , Ewelina Rupnik

Neural radiance fields (NeRFs) have enabled high fidelity 3D reconstruction from multiple 2D input views. However, a well-known drawback of NeRFs is the less-than-ideal performance under a small number of views, due to insufficient…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Mikaela Angelina Uy , Ricardo Martin-Brualla , Leonidas Guibas , Ke Li

Neural radiance field (NeRF) is an emerging view synthesis method that samples points in a three-dimensional (3D) space and estimates their existence and color probabilities. The disadvantage of NeRF is that it requires a long training time…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Hye Bin Yoo , Hyun Min Han , Sung Soo Hwang , Il Yong Chun

Implicit neural rendering, especially Neural Radiance Field (NeRF), has shown great potential in novel view synthesis of a scene. However, current NeRF-based methods cannot enable users to perform user-controlled shape deformation in the…

图形学 · 计算机科学 2022-05-11 Yu-Jie Yuan , Yang-Tian Sun , Yu-Kun Lai , Yuewen Ma , Rongfei Jia , Lin Gao

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

Neural Radiance Field (NeRF) approaches learn the underlying 3D representation of a scene and generate photo-realistic novel views with high fidelity. However, most proposed settings concentrate on modelling a single object or a single…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Ankit Dhiman , Srinath R , Harsh Rangwani , Rishubh Parihar , Lokesh R Boregowda , Srinath Sridhar , R Venkatesh Babu

Acquiring accurate depth information of transparent objects using off-the-shelf RGB-D cameras is a well-known challenge in Computer Vision and Robotics. Depth estimation/completion methods are typically employed and trained on datasets with…

机器人学 · 计算机科学 2024-03-29 Avinash Ummadisingu , Jongkeum Choi , Koki Yamane , Shimpei Masuda , Naoki Fukaya , Kuniyuki Takahashi