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Neural radiance fields~(NeRF) have recently been applied to render large-scale scenes. However, their limited model capacity typically results in blurred rendering results. Existing large-scale NeRFs primarily address this limitation by…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Mingqi Shao , Feng Xiong , Hang Zhang , Shuang Yang , Mu Xu , Wei Bian , Xueqian Wang

The success of neural fields for 3D vision tasks is now indisputable. Following this trend, several methods aiming for visual localization (e.g., SLAM) have been proposed to estimate distance or density fields using neural fields. However,…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Itsuki Ueda , Yoshihiro Fukuhara , Hirokatsu Kataoka , Hiroaki Aizawa , Hidehiko Shishido , Itaru Kitahara

We study the problem of reconstructing 3D feature curves of an object from a set of calibrated multi-view images. To do so, we learn a neural implicit field representing the density distribution of 3D edges which we refer to as Neural Edge…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Yunfan Ye , Renjiao Yi , Zhirui Gao , Chenyang Zhu , Zhiping Cai , Kai Xu

Comprehensive 3D scene understanding, both geometrically and semantically, is important for real-world applications such as robot perception. Most of the existing work has focused on developing data-driven discriminative models for scene…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Mingtong Zhang , Shuhong Zheng , Zhipeng Bao , Martial Hebert , Yu-Xiong Wang

Neural Radiance Fields (NeRFs) have shown remarkable success in synthesizing photorealistic views from multi-view images of static scenes, but face challenges in dynamic, real-world environments with distractors like moving objects,…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Weining Ren , Zihan Zhu , Boyang Sun , Jiaqi Chen , Marc Pollefeys , Songyou Peng

With dense inputs, Neural Radiance Fields (NeRF) is able to render photo-realistic novel views under static conditions. Although the synthesis quality is excellent, existing NeRF-based methods fail to obtain moderate three-dimensional (3D)…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Shu Chen , Junyao Li , Yang Zhang , Beiji Zou

Implicit surfaces via neural radiance fields (NeRF) have shown surprising accuracy in surface reconstruction. Despite their success in reconstructing richly textured surfaces, existing methods struggle with planar regions with weak…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Albert Gassol Puigjaner , Edoardo Mello Rella , Erik Sandström , Ajad Chhatkuli , Luc Van Gool

We propose a novel Neural Radiance Field (NeRF) representation for non-opaque scenes that enables fast inference by utilizing textured polygons. Despite the high-quality novel view rendering that NeRF provides, a critical limitation is that…

图形学 · 计算机科学 2024-07-11 Gopal Sharma , Daniel Rebain , Kwang Moo Yi , Andrea Tagliasacchi

Neural radiance fields (NeRFs) have emerged as an effective method for novel-view synthesis and 3D scene reconstruction. However, conventional training methods require access to all training views during scene optimization. This assumption…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Ryan Po , Zhengyang Dong , Alexander W. Bergman , Gordon Wetzstein

NeRF is a popular model that efficiently represents 3D objects from 2D images. However, vanilla NeRF has some important limitations. NeRF must be trained on each object separately. The training time is long since we encode the object's…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Dominik Zimny , Artur Kasymov , Adam Kania , Jacek Tabor , Maciej Zięba , Marcin Mazur , Przemysław Spurek

Neural Radiance Fields (NeRF) accomplishes photo-realistic novel view synthesis by learning the implicit volumetric representation of a scene from multi-view images, which faithfully convey the colorimetric information. However, sensor…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Jiacong Xu , Mingqian Liao , K Ram Prabhakar , Vishal M. Patel

Neural Radiance Fields (NeRF) presented a novel way to represent scenes, allowing for high-quality 3D reconstruction from 2D images. Following its remarkable achievements, global localization within NeRF maps is an essential task for…

机器人学 · 计算机科学 2025-03-17 Mangyu Kong , Seongwon Lee , Jaewon Lee , Euntai Kim

Neural Radiance Fields (NeRF) have been proposed for photorealistic novel view rendering. However, it requires many different views of one scene for training. Moreover, it has poor generalizations to new scenes and requires retraining or…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Yurui Chen , Chun Gu , Feihu Zhang , Li Zhang

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…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Dan Wang , Xinrui Cui , Septimiu Salcudean , Z. Jane Wang

Neural radiance fields (NeRF) encode a scene into a neural representation that enables photo-realistic rendering of novel views. However, a successful reconstruction from RGB images requires a large number of input views taken under static…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Barbara Roessle , Jonathan T. Barron , Ben Mildenhall , Pratul P. Srinivasan , Matthias Nießner

NeRF provides unparalleled fidelity of novel view synthesis: rendering a 3D scene from an arbitrary viewpoint. NeRF requires training on a large number of views that fully cover a scene, which limits its applicability. While these issues…

Neural radiance fields (NeRF) methods have demonstrated impressive novel view synthesis performance. The core approach is to render individual rays by querying a neural network at points sampled along the ray to obtain the density and…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Relja Arandjelović , Andrew Zisserman

Neural Radiance Fields (NeRF) are an advanced technology that creates highly realistic images by learning about scenes through a neural network model. However, NeRF often encounters issues when there are not enough images to work with,…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Jiawei Guo , HungChyun Chou , Ning Ding

Neural Radiance Fields (NeRF) has achieved superior performance in novel view synthesis and 3D scene representation, but its practical applications are hindered by slow convergence and reliance on dense training views. To this end, we…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Hung Nguyen , Blark Runfa Li , Truong Nguyen

Neural Radiance Field (NeRF) is widely seen as an alternative to traditional physically-based rendering. However, NeRF has not yet seen its adoption in resource-limited mobile systems such as Virtual and Augmented Reality (VR/AR), because…

硬件体系结构 · 计算机科学 2024-04-19 Yu Feng , Zihan Liu , Jingwen Leng , Minyi Guo , Yuhao Zhu