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Neural Radiance Fields (NeRF) have shown remarkable success in image novel view synthesis (NVS), inspiring extensions to LiDAR NVS. However, most methods heavily rely on accurate camera poses for scene reconstruction. The sparsity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Yinuo Jiang , Jun Cheng , Yiran Wang , Cheng Cheng

We propose a pipeline to generate Neural Radiance Fields~(NeRF) of an object or a scene of a specific class, conditioned on a single input image. This is a challenging task, as training NeRF requires multiple views of the same scene,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Shengqu Cai , Anton Obukhov , Dengxin Dai , Luc Van Gool

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Georgios Kopanas , George Drettakis

Compared to frame-based methods, computational neuromorphic imaging using event cameras offers significant advantages, such as minimal motion blur, enhanced temporal resolution, and high dynamic range. The multi-view consistency of Neural…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Chaoran Feng , Wangbo Yu , Xinhua Cheng , Zhenyu Tang , Junwu Zhang , Li Yuan , Yonghong Tian

We present a parallelized optimization method based on fast Neural Radiance Fields (NeRF) for estimating 6-DoF pose of a camera with respect to an object or scene. Given a single observed RGB image of the target, we can predict the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Yunzhi Lin , Thomas Müller , Jonathan Tremblay , Bowen Wen , Stephen Tyree , Alex Evans , Patricio A. Vela , Stan Birchfield

Detecting changed regions in paired satellite images plays a key role in many remote sensing applications. The evolution of recent techniques could provide satellite images with very high spatial resolution (VHR) but made it challenging to…

Image and Video Processing · Electrical Eng. & Systems 2021-12-08 Caijun Ren , Xiangyu Wang , Jian Gao , Huanhuan Chen

Neural Radiance Fields (NeRF) have recently gained a surge of interest within the computer vision community for its power to synthesize photorealistic novel views of real-world scenes. One limitation of NeRF, however, is its requirement of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Chen-Hsuan Lin , Wei-Chiu Ma , Antonio Torralba , Simon Lucey

The neural radiance field (NeRF) for realistic novel view synthesis requires camera poses to be pre-acquired by a structure-from-motion (SfM) approach. This two-stage strategy is not convenient to use and degrades the performance because…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shu Chen , Yang Zhang , Yaxin Xu , Beiji Zou

We propose a Transformer-based NeRF (TransNeRF) to learn a generic neural radiance field conditioned on observed-view images for the novel view synthesis task. By contrast, existing MLP-based NeRFs are not able to directly receive observed…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Dan Wang , Xinrui Cui , Septimiu Salcudean , Z. Jane Wang

With the recent advances in NeRF-based 3D aware GANs quality, projecting an image into the latent space of these 3D-aware GANs has a natural advantage over 2D GAN inversion: not only does it allow multi-view consistent editing of the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Jaehoon Ko , Kyusun Cho , Daewon Choi , Kwangrok Ryoo , Seungryong Kim

In this work, we focus on synthesizing high-fidelity novel view images for arbitrary human performers, given a set of sparse multi-view images. It is a challenging task due to the large variation among articulated body poses and heavy…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Jianchuan Chen , Wentao Yi , Liqian Ma , Xu Jia , Huchuan Lu

Camera relocalization is a crucial problem in computer vision and robotics. Recent advancements in neural radiance fields (NeRFs) have shown promise in synthesizing photo-realistic images. Several works have utilized NeRFs for refining…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Shiyao Xu , Caiyun Liu , Yuantao Chen , Zhenxin Zhu , Zike Yan , Yongliang Shi , Hao Zhao , Guyue Zhou

Existing volumetric neural rendering techniques, such as Neural Radiance Fields (NeRF), face limitations in synthesizing high-quality novel views when the camera poses of input images are imperfect. To address this issue, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Hongyu Fu , Xin Yu , Lincheng Li , Li Zhang

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

Neural Radiance Fields (NeRF) have significantly advanced the field of novel view synthesis, yet their generalization across diverse scenes and conditions remains challenging. Addressing this, we propose the integration of a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Ahmed Qazi , Abdul Basit , Asim Iqbal

Existing neural radiance fields (NeRF)-based novel view synthesis methods for large-scale outdoor scenes are mainly built on a single altitude. Moreover, they often require a priori camera shooting height and scene scope, leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Jingfeng Guo , Xiaohan Zhang , Baozhu Zhao , Qi Liu

Neural volume rendering techniques, such as NeRF, have revolutionized 3D-aware image synthesis by enabling the generation of images of a single scene or object from various camera poses. However, the high computational cost of NeRF presents…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Peng Zheng , Linzhi Huang , Yizhou Yu , Yi Chang , Yilin Wang , Rui Ma

Novel view synthesis using neural radiance fields (NeRF) is the state-of-the-art technique for generating high-quality images from novel viewpoints. Existing methods require a priori knowledge about extrinsic and intrinsic camera…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Hannah Schieber , Fabian Deuser , Bernhard Egger , Norbert Oswald , Daniel Roth

Lensless imaging offers a significant opportunity to develop ultra-compact cameras by removing the conventional bulky lens system. However, without a focusing element, the sensor's output is no longer a direct image but a complex…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Rakesh Raj Madavan , Akshat Kaimal , Badhrinarayanan K , Vinayak Gupta , Rohit Choudhary , Chandrakala Shanmuganathan , Kaushik Mitra

Recently 3D-aware GAN methods with neural radiance field have developed rapidly. However, current methods model the whole image as an overall neural radiance field, which limits the partial semantic editability of synthetic results. Since…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Tianxiang Ma , Bingchuan Li , Qian He , Jing Dong , Tieniu Tan