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Despite Neural Radiance Fields (NeRF) showing compelling results in photorealistic novel views synthesis of real-world scenes, most existing approaches require accurate prior camera poses. Although approaches for jointly recovering the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Shin-Fang Chng , Sameera Ramasinghe , Jamie Sherrah , Simon Lucey

The method of neural radiance fields (NeRF) has been developed in recent years, and this technology has promising applications for synthesizing novel views of complex scenes. However, NeRF requires dense input views, typically numbering in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Young Chun Ahn , Seokhwan Jang , Sungheon Park , Ji-Yeon Kim , Nahyup Kang

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

Rendering scenes with a high-quality human face from arbitrary viewpoints is a practical and useful technique for many real-world applications. Recently, Neural Radiance Fields (NeRF), a rendering technique that uses neural networks to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Satoshi Tsutsui , Weijia Mao , Sijing Lin , Yunyi Zhu , Murong Ma , Mike Zheng Shou

Novel view synthesis refers to the problem of synthesizing novel viewpoints of a scene given the images from a few viewpoints. This is a fundamental problem in computer vision and graphics, and enables a vast variety of applications such as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Nagabhushan Somraj

NeRF aims to learn a continuous neural scene representation by using a finite set of input images taken from various viewpoints. A well-known limitation of NeRF methods is their reliance on data: the fewer the viewpoints, the higher the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Matteo Bortolon , Alessio Del Bue , Fabio Poiesi

It is now possible to reconstruct dynamic human motion and shape from a sparse set of cameras using Neural Radiance Fields (NeRF) driven by an underlying skeleton. However, a challenge remains to model the deformation of cloth and skin in…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Chunjin Song , Bastian Wandt , Helge Rhodin

We present the first framework capable of synthesizing the all-in-focus neural radiance field (NeRF) from inputs without manual refocusing. Without refocusing, the camera will automatically focus on the fixed object for all views, and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Xianrui Luo , Zijin Wu , Juewen Peng , Huiqiang Sun , Zhiguo Cao , Guosheng Lin

Reasoning the 3D structure of a non-rigid dynamic scene from a single moving camera is an under-constrained problem. Inspired by the remarkable progress of neural radiance fields (NeRFs) in photo-realistic novel view synthesis of static…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Sameera Ramasinghe , Violetta Shevchenko , Gil Avraham , Anton Van Den Hengel

This work delves into the task of pose-free novel view synthesis from stereo pairs, a challenging and pioneering task in 3D vision. Our innovative framework, unlike any before, seamlessly integrates 2D correspondence matching, camera pose…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Sunghwan Hong , Jaewoo Jung , Heeseong Shin , Jiaolong Yang , Seungryong Kim , Chong Luo

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…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Ágoston István Csehi , Csaba Máté Józsa

Unlike opaque object, novel view synthesis of transparent object is a challenging task, because transparent object refracts light of background causing visual distortions on the transparent object surface along the viewpoint change.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Heechan Yoon , Seungkyu Lee

Virtual Reality (VR) is becoming ubiquitous with the rise of consumer displays and commercial VR platforms. Such displays require low latency and high quality rendering of synthetic imagery with reduced compute overheads. Recent advances in…

Graphics · Computer Science 2022-07-25 Nianchen Deng , Zhenyi He , Jiannan Ye , Budmonde Duinkharjav , Praneeth Chakravarthula , Xubo Yang , Qi Sun

Neural Radiance Field (NeRF) has shown impressive performance in novel view synthesis via implicit scene representation. However, it usually suffers from poor scalability as requiring densely sampled images for each new scene. Several…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Muyu Xu , Fangneng Zhan , Jiahui Zhang , Yingchen Yu , Xiaoqin Zhang , Christian Theobalt , Ling Shao , Shijian Lu

Neural Radiance Fields (NeRF) have shown remarkable performance in neural rendering-based novel view synthesis. However, NeRF suffers from severe visual quality degradation when the input images have been captured under imperfect…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Byeonghyeon Lee , Howoong Lee , Usman Ali , Eunbyung Park

Neural Radiance Fields (NeRF) have received considerable attention recently, due to its impressive capability in photo-realistic 3D reconstruction and novel view synthesis, given a set of posed camera images. Earlier work usually assumes…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Peng Wang , Lingzhe Zhao , Ruijie Ma , Peidong Liu

Extensions of Neural Radiance Fields (NeRFs) to model dynamic scenes have enabled their near photo-realistic, free-viewpoint rendering. Although these methods have shown some potential in creating immersive experiences, two drawbacks limit…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang , Pedro Miraldo , Suhas Lohit , Moitreya Chatterjee

Recent advances in neural rendering have shown that, albeit slow, implicit compact models can learn a scene's geometries and view-dependent appearances from multiple views. To maintain such a small memory footprint but achieve faster…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Juan Luis Gonzalez Bello , Minh-Quan Viet Bui , Munchurl Kim

Neural Radiance Fields (NeRFs) have emerged as powerful tools for capturing detailed 3D scenes through continuous volumetric representations. Recent NeRFs utilize feature grids to improve rendering quality and speed; however, these…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Tuan Pham , Stephan Mandt

Accurate 3D reconstruction from multi-view images is essential for downstream robotic tasks such as navigation, manipulation, and environment understanding. However, obtaining precise camera poses in real-world settings remains challenging,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Sriram Srinivasan , Gautam Ramachandra