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Neural radiance fields enable novel-view synthesis and scene reconstruction with photorealistic quality from a few images, but require known and accurate camera poses. Conventional pose estimation algorithms fail on smooth or self-similar…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Axel Levy , Mark Matthews , Matan Sela , Gordon Wetzstein , Dmitry Lagun

Recent advances in Neural radiance fields (NeRF) have enabled high-fidelity scene reconstruction for novel view synthesis. However, NeRF requires hundreds of network evaluations per pixel to approximate a volume rendering integral, making…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Yifan Wang , Yi Gong , Yuan Zeng

We study the problem of novel view synthesis of objects from a single image. Existing methods have demonstrated the potential in single-view view synthesis. However, they still fail to recover the fine appearance details, especially in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Xingyi Li , Chaoyi Hong , Yiran Wang , Zhiguo Cao , Ke Xian , Guosheng Lin

We introduce a new task, novel view synthesis for LiDAR sensors. While traditional model-based LiDAR simulators with style-transfer neural networks can be applied to render novel views, they fall short of producing accurate and realistic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Tang Tao , Longfei Gao , Guangrun Wang , Yixing Lao , Peng Chen , Hengshuang Zhao , Dayang Hao , Xiaodan Liang , Mathieu Salzmann , Kaicheng Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Kang Han , Wei Xiang , Lu Yu

We present PVSeRF, a learning framework that reconstructs neural radiance fields from single-view RGB images, for novel view synthesis. Previous solutions, such as pixelNeRF, rely only on pixel-aligned features and suffer from feature…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Xianggang Yu , Jiapeng Tang , Yipeng Qin , Chenghong Li , Linchao Bao , Xiaoguang Han , Shuguang Cui

Neural radiance fields (NeRF) have achieved impressive performances in view synthesis by encoding neural representations of a scene. However, NeRFs require hundreds of images per scene to synthesize photo-realistic novel views. Training…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Nagabhushan Somraj , Rajiv Soundararajan

Recent advancements in the Neural Radiance Field (NeRF) have enhanced its capabilities for novel view synthesis, yet its reliance on dense multi-view training images poses a practical challenge, often leading to artifacts and a lack of fine…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Seunghyeon Seo , Yeonjin Chang , Jayeon Yoo , Seungwoo Lee , Hojun Lee , Nojun Kwak

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…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Dor Verbin , Peter Hedman , Ben Mildenhall , Todd Zickler , Jonathan T. Barron , Pratul P. Srinivasan

Neural Radiance Fields (NeRF) achieves unprecedented performance in synthesizing novel view synthesis, utilizing multi-view consistency. When capturing multiple inputs, image signal processing (ISP) in modern cameras will independently…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Yuehao Wang , Chaoyi Wang , Bingchen Gong , Tianfan Xue

Neural Radiance Fields (NeRF) have achieved great success in the task of synthesizing novel views that preserve the same resolution as the training views. However, it is challenging for NeRF to synthesize high-quality high-resolution novel…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xiang Feng , Yongbo He , Yubo Wang , Chengkai Wang , Zhenzhong Kuang , Jiajun Ding , Feiwei Qin , Jun Yu , Jianping Fan

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

Purpose: Neural Radiance Fields (NeRF) offer exceptional capabilities for 3D reconstruction and view synthesis, yet their reliance on extensive multi-view data limits their application in surgical intraoperative settings where only limited…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Alberto Neri , Maximilan Fehrentz , Veronica Penza , Leonardo S. Mattos , Nazim Haouchine

The neural radiance field (NeRF) achieved remarkable success in modeling 3D scenes and synthesizing high-fidelity novel views. However, existing NeRF-based methods focus more on the make full use of the image resolution to generate novel…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Yuqi Han , Tao Yu , Xiaohang Yu , Yuwang Wang , Qionghai Dai

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…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Qianqiu Tan , Tao Liu , Yinling Xie , Shuwan Yu , Baohua Zhang

In this paper, we address the challenge of generating novel views of real-world objects with limited multi-view images through our proposed approach, FewShotNeRF. Our method utilizes meta-learning to acquire optimal initialization,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Piraveen Sivakumar , Paul Janson , Jathushan Rajasegaran , Thanuja Ambegoda

Neural Radiance Fields (NeRFs) are a powerful representation for modeling a 3D scene as a continuous function. Though NeRF is able to render complex 3D scenes with view-dependent effects, few efforts have been devoted to exploring its…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Yifan Jiang , Peter Hedman , Ben Mildenhall , Dejia Xu , Jonathan T. Barron , Zhangyang Wang , Tianfan Xue

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…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Bingnan Ni , Huanyu Wang , Dongfeng Bai , Minghe Weng , Dexin Qi , Weichao Qiu , Bingbing Liu

Neural Radiance Fields (NeRFs) typically struggle to reconstruct and render highly specular objects, whose appearance varies quickly with changes in viewpoint. Recent works have improved NeRF's ability to render detailed specular appearance…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Dor Verbin , Pratul P. Srinivasan , Peter Hedman , Ben Mildenhall , Benjamin Attal , Richard Szeliski , Jonathan T. Barron

We propose im2nerf, a learning framework that predicts a continuous neural object representation given a single input image in the wild, supervised by only segmentation output from off-the-shelf recognition methods. The standard approach to…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Lu Mi , Abhijit Kundu , David Ross , Frank Dellaert , Noah Snavely , Alireza Fathi