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We propose a novel visual re-localization method based on direct matching between the implicit 3D descriptors and the 2D image with transformer. A conditional neural radiance field(NeRF) is chosen as the 3D scene representation in our…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Jianlin Liu , Qiang Nie , Yong Liu , Chengjie Wang

Recently, neural radiance fields (NeRF) have gained significant attention in the field of visual localization. However, existing NeRF-based approaches either lack geometric constraints or require extensive storage for feature matching,…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Hongjia Zhai , Boming Zhao , Hai Li , Xiaokun Pan , Yijia He , Zhaopeng Cui , Hujun Bao , Guofeng Zhang

In this work, we propose the use of Neural Radiance Fields (NeRF) as a scene representation for visual localization. Recently, NeRF has been employed to enhance pose regression and scene coordinate regression models by augmenting the…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Qunjie Zhou , Maxim Maximov , Or Litany , Laura Leal-Taixé

Neural implicit representations such as NeRF have revolutionized 3D scene representation with photo-realistic quality. However, existing methods for visual localization within NeRF representations suffer from inefficiency and scalability…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Huaiji Zhou , Bing Wang , Changhao Chen

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) have recently demonstrated photo-realistic results for the task of novel view synthesis. In this paper, we propose to apply novel view synthesis to the robot relocalization problem: we demonstrate improvement…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Arthur Moreau , Nathan Piasco , Dzmitry Tsishkou , Bogdan Stanciulescu , Arnaud de La Fortelle

Neural radiance fields (NeRFs) are a powerful tool for implicit scene representations, allowing for differentiable rendering and the ability to make predictions about unseen viewpoints. There has been growing interest in object and…

机器人学 · 计算机科学 2024-11-14 Boxuan Zhang , Lindsay Kleeman , Michael Burke

Neural Radiance Fields (NeRF) have demonstrated very impressive performance in novel view synthesis via implicitly modelling 3D representations from multi-view 2D images. However, most existing studies train NeRF models with either…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Jiahui Zhang , Fangneng Zhan , Rongliang Wu , Yingchen Yu , Wenqing Zhang , Bai Song , Xiaoqin Zhang , Shijian Lu

Neural Radiance Fields (NeRFs) have become a widely-applied scene representation technique in recent years, showing advantages for robot navigation and manipulation tasks. To further advance the utility of NeRFs for robotics, we propose a…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Jiankai Sun , Yan Xu , Mingyu Ding , Hongwei Yi , Chen Wang , Jingdong Wang , Liangjun Zhang , Mac Schwager

Neural Radiance Fields, or NeRFs, have drastically improved novel view synthesis and 3D reconstruction for rendering. NeRFs achieve impressive results on object-centric reconstructions, but the quality of novel view synthesis with…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Georgios Kopanas , George Drettakis

We present a novel optimization algorithm called DroNeRF for the autonomous positioning of monocular camera drones around an object for real-time 3D reconstruction using only a few images. Neural Radiance Fields or NeRF, is a novel view…

机器人学 · 计算机科学 2023-08-08 Dipam Patel , Phu Pham , Aniket Bera

Neural Radiance Fields (NeRF) presented a novel way to represent scenes, allowing for high-quality 3D reconstruction from 2D images. Following its remarkable achievements, global localization within NeRF maps is an essential task for…

机器人学 · 计算机科学 2025-03-17 Mangyu Kong , Seongwon Lee , Jaewon Lee , Euntai Kim

Neural Radiance Field (NeRF) has recently emerged as a powerful representation to synthesize photorealistic novel views. While showing impressive performance, it relies on the availability of dense input views with highly accurate camera…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Prune Truong , Marie-Julie Rakotosaona , Fabian Manhardt , Federico Tombari

We introduce ViewNeRF, a Neural Radiance Field-based viewpoint estimation method that learns to predict category-level viewpoints directly from images during training. While NeRF is usually trained with ground-truth camera poses, multiple…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Octave Mariotti , Oisin Mac Aodha , Hakan Bilen

Visual relocalization is a key technique to autonomous driving, robotics, and virtual/augmented reality. After decades of explorations, absolute pose regression (APR), scene coordinate regression (SCR), and hierarchical methods (HMs) have…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Fei Xue , Ignas Budvytis , Daniel Olmeda Reino , Roberto Cipolla

Creating high-quality controllable 3D human models from multi-view RGB videos poses a significant challenge. Neural radiance fields (NeRFs) have demonstrated remarkable quality in reconstructing and free-viewpoint rendering of static as…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Paul Knoll , Wieland Morgenstern , Anna Hilsmann , Peter Eisert

We present Loc-NeRF, a real-time vision-based robot localization approach that combines Monte Carlo localization and Neural Radiance Fields (NeRF). Our system uses a pre-trained NeRF model as the map of an environment and can localize…

机器人学 · 计算机科学 2022-09-20 Dominic Maggio , Marcus Abate , Jingnan Shi , Courtney Mario , Luca Carlone

We aim to improve the Inverted Neural Radiance Fields (iNeRF) algorithm which defines the image pose estimation problem as a NeRF based iterative linear optimization. NeRFs are novel neural space representation models that can synthesize…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Ágoston István Csehi , Csaba Máté Józsa

Visual localization (VL) is the task of estimating the camera pose in a known scene. VL methods, a.o., can be distinguished based on how they represent the scene, e.g., explicitly through a (sparse) point cloud or a collection of images or…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Maxime Pietrantoni , Martin Humenberger , Torsten Sattler , Gabriela Csurka

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
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