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Semantic labelling is highly correlated with geometry and radiance reconstruction, as scene entities with similar shape and appearance are more likely to come from similar classes. Recent implicit neural reconstruction techniques are…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Shuaifeng Zhi , Tristan Laidlow , Stefan Leutenegger , Andrew J. Davison

Neural radiance fields (NeRFs) have emerged as an effective method for novel-view synthesis and 3D scene reconstruction. However, conventional training methods require access to all training views during scene optimization. This assumption…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Ryan Po , Zhengyang Dong , Alexander W. Bergman , Gordon Wetzstein

With the advent of Neural Radiance Fields (NeRF), neural networks can now render novel views of a 3D scene with quality that fools the human eye. Yet, generating these images is very computationally intensive, limiting their applicability…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Daniel Rebain , Wei Jiang , Soroosh Yazdani , Ke Li , Kwang Moo Yi , Andrea Tagliasacchi

Neural Radiance Fields (NeRFs) have been remarkably successful at synthesizing novel views of 3D scenes by optimizing a volumetric scene function. This scene function models how optical rays bring color information from a 3D object to the…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Chaitanya Amballa , Sattwik Basu , Yu-Lin Wei , Zhijian Yang , Mehmet Ergezer , Romit Roy Choudhury

A high-quality 3D reconstruction of a scene from a collection of 2D images can be achieved through offline/online mapping methods. In this paper, we explore active mapping from the perspective of implicit representations, which have…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Huangying Zhan , Jiyang Zheng , Yi Xu , Ian Reid , Hamid Rezatofighi

Recent work on Neural Radiance Fields (NeRF) exploits multi-view 3D consistency, achieving impressive results in 3D scene modeling and high-fidelity novel-view synthesis. However, there are limitations. First, existing methods assume enough…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Mengfei Li , Ming Lu , Xiaofang Li , Shanghang Zhang

We present a simple yet powerful neural network that implicitly represents and renders 3D objects and scenes only from 2D observations. The network models 3D geometries as a general radiance field, which takes a set of 2D images with camera…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Alex Trevithick , Bo Yang

Feature point detection and description is the backbone for various computer vision applications, such as Structure-from-Motion, visual SLAM, and visual place recognition. While learning-based methods have surpassed traditional handcrafted…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Ali Youssef , Francisco Vasconcelos

Neural Radiance Fields (NeRF) achieves impressive novel view rendering performance by learning implicit 3D representation from sparse view images. However, it is difficult to reconstruct a sharp NeRF from blurry input that often occurs in…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Yunshan Qi , Jia Li , Yifan Zhao , Yu Zhang , Lin Zhu

Neural Radiance Fields (NeRFs) have emerged as a groundbreaking paradigm for representing 3D objects and scenes by encoding shape and appearance information into the weights of a neural network. Recent studies have demonstrated that these…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Francesco Ballerini , Pierluigi Zama Ramirez , Luigi Di Stefano , Samuele Salti

Neural Radiance Fields (NeRFs) can be dramatically accelerated by spatial grid representations. However, they do not explicitly reason about scale and so introduce aliasing artifacts when reconstructing scenes captured at different camera…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Haithem Turki , Michael Zollhöfer , Christian Richardt , Deva Ramanan

Learning a 3D representation of a scene has been a challenging problem for decades in computer vision. Recent advances in implicit neural representation from images using neural radiance fields(NeRF) have shown promising results. Some of…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Arnab Dey , Andrew I. Comport

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 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

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

Inverse rendering aims to reconstruct the scene properties of objects solely from multiview images. However, it is an ill-posed problem prone to producing ambiguous estimations deviating from physically accurate representations. In this…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Georgios Kouros , Minye Wu , Sushruth Nagesh , Xianling Zhang , Tinne Tuytelaars

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…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Kang Han , Wei Xiang , Lu Yu

Neural radiance fields (NeRF) excel at synthesizing new views given multi-view, calibrated images of a static scene. When scenes include distractors, which are not persistent during image capture (moving objects, lighting variations,…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Sara Sabour , Suhani Vora , Daniel Duckworth , Ivan Krasin , David J. Fleet , Andrea Tagliasacchi

3D neural implicit representations play a significant component in many robotic applications. However, reconstructing neural radiance fields (NeRF) from realistic event data remains a challenge due to the sparsities and the lack of…

机器人学 · 计算机科学 2024-01-31 Jiaxu Wang , Junhao He , Ziyi Zhang , Renjing Xu

Neural Radiance Field (NeRF) has been proposed as an innovative advancement in 3D reconstruction techniques. However, little research has been conducted on the issues of information confidentiality and security to NeRF, such as…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Qinglong Huang , Haoran Li , Yong Liao , Yanbin Hao , Pengyuan Zhou