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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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Qunjie Zhou , Maxim Maximov , Or Litany , Laura Leal-Taixé

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…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Octave Mariotti , Oisin Mac Aodha , Hakan Bilen

Learning accurate scene reconstruction without pose priors in neural radiance fields is challenging due to inherent geometric ambiguity. Recent development either relies on correspondence priors for regularization or uses off-the-shelf flow…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Xunzhi Zheng , Dan Xu

We study the problem of inferring an object-centric scene representation from a single image, aiming to derive a representation that explains the image formation process, captures the scene's 3D nature, and is learned without supervision.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Hong-Xing Yu , Leonidas J. Guibas , Jiajun Wu

This project presents an exploration into 3D scene reconstruction of synthetic and real-world scenes using Neural Radiance Field (NeRF) approaches. We primarily take advantage of the reduction in training and rendering time of neural…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Benedict Quartey , Tuluhan Akbulut , Wasiwasi Mgonzo , Zheng Xin Yong

Dynamic neural radiance fields (dynamic NeRFs) have demonstrated impressive results in novel view synthesis on 3D dynamic scenes. However, they often require complete video sequences for training followed by novel view synthesis, which is…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Zhiwen Yan , Chen Li , Gim Hee Lee

We present a method for learning a generative 3D model based on neural radiance fields, trained solely from data with only single views of each object. While generating realistic images is no longer a difficult task, producing the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Daniel Rebain , Mark Matthews , Kwang Moo Yi , Dmitry Lagun , Andrea Tagliasacchi

We present Non-Rigid Neural Radiance Fields (NR-NeRF), a reconstruction and novel view synthesis approach for general non-rigid dynamic scenes. Our approach takes RGB images of a dynamic scene as input (e.g., from a monocular video…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Edgar Tretschk , Ayush Tewari , Vladislav Golyanik , Michael Zollhöfer , Christoph Lassner , Christian Theobalt

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Ali Youssef , Francisco Vasconcelos

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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Xuan Wang , Qing Wang

The success of the Neural Radiance Fields (NeRFs) for modeling and free-view rendering static objects has inspired numerous attempts on dynamic scenes. Current techniques that utilize neural rendering for facilitating free-view videos…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Liao Wang , Qiang Hu , Qihan He , Ziyu Wang , Jingyi Yu , Tinne Tuytelaars , Lan Xu , Minye Wu

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…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Siddhant Ranade , Christoph Lassner , Kai Li , Christian Haene , Shen-Chi Chen , Jean-Charles Bazin , Sofien Bouaziz

In recent years, novel view synthesis has gained popularity in generating high-fidelity images. While demonstrating superior performance in the task of synthesizing novel views, the majority of these methods are still based on the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Xiaoyan Yang , Dingbo Lu , Yang Li , Chenhui Li , Changbo Wang

We cast multiview reconstruction from unknown pose as a generative modeling problem. From a collection of unannotated 2D images of a scene, our approach simultaneously learns both a network to predict camera pose from 2D image input, as…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Xin Yuan , Rana Hanocka , Michael Maire

Neural Radiance Fields (NeRFs) have revolutionized the reconstruction of static scenes and objects in 3D, offering unprecedented quality. However, extending NeRFs to model dynamic objects or object articulations remains a challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Archana Swaminathan , Anubhav Gupta , Kamal Gupta , Shishira R. Maiya , Vatsal Agarwal , Abhinav Shrivastava

Visual scenes are extremely rich in diversity, not only because there are infinite combinations of objects and background, but also because the observations of the same scene may vary greatly with the change of viewpoints. When observing a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Jinyang Yuan , Bin Li , Xiangyang Xue

Under good conditions, Neural Radiance Fields (NeRFs) have shown impressive results on novel view synthesis tasks. NeRFs learn a scene's color and density fields by minimizing the photometric discrepancy between training views and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Jamie Wynn , Daniyar Turmukhambetov

We extend neural 3D representations to allow for intuitive and interpretable user control beyond novel view rendering (i.e. camera control). We allow the user to annotate which part of the scene one wishes to control with just a small…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Kacper Kania , Kwang Moo Yi , Marek Kowalski , Tomasz Trzciński , Andrea Tagliasacchi

Neural radiance fields (NeRFs) are a widely accepted standard for synthesizing new 3D object views from a small number of base images. However, NeRFs have limited generalization properties, which means that we need to use significant…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Paweł Batorski , Dawid Malarz , Marcin Przewięźlikowski , Marcin Mazur , Sławomir Tadeja , Przemysław Spurek

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…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Hongyi Xu , Thiemo Alldieck , Cristian Sminchisescu