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Estimating neural radiance fields (NeRFs) from "ideal" images has been extensively studied in the computer vision community. Most approaches assume optimal illumination and slow camera motion. These assumptions are often violated in robotic…

计算机视觉与模式识别 · 计算机科学 2023-01-25 Simon Klenk , Lukas Koestler , Davide Scaramuzza , Daniel Cremers

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…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Jianchuan Chen , Wentao Yi , Liqian Ma , Xu Jia , Huchuan Lu

Neural Radiance Fields (NeRFs) have demonstrated prominent performance in novel view synthesis. However, their input heavily relies on image acquisition under normal light conditions, making it challenging to learn accurate scene…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Min Wang , Xin Huang , Guoqing Zhou , Qifeng Guo , Qing Wang

Recent advancements in 4D scene reconstruction using neural radiance fields (NeRF) have demonstrated the ability to represent dynamic scenes from multi-view videos. However, they fail to reconstruct the dynamic scenes and struggle to fit…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Seoha Kim , Jeongmin Bae , Youngsik Yun , Hahyun Lee , Gun Bang , Youngjung Uh

Novel view synthesis is a challenging problem in computer vision and robotics. Different from the existing works, which need the reference images or 3D models of the scene to generate images under novel views, we propose a novel paradigm to…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Xiang Guo , Bo Li , Yuchao Dai , Tongxin Zhang , Hui Deng

We present a method that achieves state-of-the-art results for synthesizing novel views of complex scenes by optimizing an underlying continuous volumetric scene function using a sparse set of input views. Our algorithm represents a scene…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Ben Mildenhall , Pratul P. Srinivasan , Matthew Tancik , Jonathan T. Barron , Ravi Ramamoorthi , Ren Ng

We address the problem of photorealistic 3D face avatar synthesis from sparse images. Existing Parametric models for face avatar reconstruction struggle to generate details that originate from inputs. Meanwhile, although current NeRF-based…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Weichen Zhang , Xiang Zhou , Yukang Cao , Wensen Feng , Chun Yuan

Neural Radiance Field (NeRF) technology has made significant strides in creating novel viewpoints. However, its effectiveness is hampered when working with sparsely available views, often leading to performance dips due to overfitting.…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Yuru Xiao , Xianming Liu , Deming Zhai , Kui Jiang , Junjun Jiang , Xiangyang Ji

Neural Radiance Fields (NeRF) have demonstrated exceptional capabilities in reconstructing complex scenes with high fidelity. However, NeRF's view dependency can only handle low-frequency reflections. It falls short when handling complex…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Chen Gao , Yipeng Wang , Changil Kim , Jia-Bin Huang , Johannes Kopf

Neural radiance fields (NeRF) are a groundbreaking computer vision technology that enables the generation of high-quality, immersive visual content from multiple viewpoints. This capability has significant advantages for applications such…

多媒体 · 计算机科学 2024-09-30 Pedro Martin , Antonio Rodrigues , Joao Ascenso , Maria Paula Queluz

Neural Radiation Field (NeRF) technology can learn a 3D implicit model of a scene from 2D images and synthesize realistic novel view images. This technology has received widespread attention from the industry and has good application…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Shun Fang , Ming Cui , Xing Feng , Yanna Lv

In this work, we propose a camera self-calibration algorithm for generic cameras with arbitrary non-linear distortions. We jointly learn the geometry of the scene and the accurate camera parameters without any calibration objects. Our…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Yoonwoo Jeong , Seokjun Ahn , Christopher Choy , Animashree Anandkumar , Minsu Cho , Jaesik Park

Despite the rapid development of Neural Radiance Field (NeRF), the necessity of dense covers largely prohibits its wider applications. While several recent works have attempted to address this issue, they either operate with sparse views…

计算机视觉与模式识别 · 计算机科学 2022-08-15 Dejia Xu , Yifan Jiang , Peihao Wang , Zhiwen Fan , Humphrey Shi , Zhangyang Wang

Neural Radiance Fields (NeRF) has been wildly applied to various tasks for its high-quality representation of 3D scenes. It takes long per-scene training time and per-image testing time. In this paper, we present EfficientNeRF as an…

计算机视觉与模式识别 · 计算机科学 2022-06-03 Tao Hu , Shu Liu , Yilun Chen , Tiancheng Shen , Jiaya Jia

Neural radiance fields (NeRFs) produce state-of-the-art view synthesis results. However, they are slow to render, requiring hundreds of network evaluations per pixel to approximate a volume rendering integral. Baking NeRFs into explicit…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Benjamin Attal , Jia-Bin Huang , Michael Zollhoefer , Johannes Kopf , Changil Kim

Neural Radiance Fields (NeRF) have garnered remarkable success in novel view synthesis. Nonetheless, the task of generating high-quality images for novel views persists as a critical challenge. While the existing efforts have exhibited…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Linsheng Chen , Guangrun Wang , Liuchun Yuan , Keze Wang , Ken Deng , Philip H. S. Torr

Generalizable neural radiance field (NeRF) enables neural-based digital human rendering without per-scene retraining. When combined with human prior knowledge, high-quality human rendering can be achieved even with sparse input views.…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Zhaorong Wang , Yoshihiro Kanamori , Yuki Endo

Recently, Neural Radiance Field (NeRF) has shown great success in rendering novel-view images of a given scene by learning an implicit representation with only posed RGB images. NeRF and relevant neural field methods (e.g., neural surface…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Zeke Xie , Xindi Yang , Yujie Yang , Qi Sun , Yixiang Jiang , Haoran Wang , Yunfeng Cai , Mingming Sun

Neural rendering techniques combining machine learning with geometric reasoning have arisen as one of the most promising approaches for synthesizing novel views of a scene from a sparse set of images. Among these, stands out the Neural…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Albert Pumarola , Enric Corona , Gerard Pons-Moll , Francesc Moreno-Noguer

Neural Radiance Fields (NeRF) have shown promise in generating realistic novel views from sparse scene images. However, existing NeRF approaches often encounter challenges due to the lack of explicit 3D supervision and imprecise camera…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Kun Wang , Zhiqiang Yan , Huang Tian , Zhenyu Zhang , Xiang Li , Jun Li , Jian Yang