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Neural Radiance Field (NeRF) is a promising approach for synthesizing novel views, given a set of images and the corresponding camera poses of a scene. However, images photographed from a low-light scene can hardly be used to train a NeRF…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Haoyuan Wang , Xiaogang Xu , Ke Xu , Rynson WH. Lau

Current methods for extracting intrinsic image components, such as reflectance and shading, primarily rely on statistical priors. These methods focus mainly on simple synthetic scenes and isolated objects and struggle to perform well on…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Yixiong Yang , Shilin Hu , Haoyu Wu , Ramon Baldrich , Dimitris Samaras , Maria Vanrell

We present ObSuRF, a method which turns a single image of a scene into a 3D model represented as a set of Neural Radiance Fields (NeRFs), with each NeRF corresponding to a different object. A single forward pass of an encoder network…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Karl Stelzner , Kristian Kersting , Adam R. Kosiorek

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) has gained significant attention for its exceptional visual effects. However, most existing NeRF methods reconstruct 3D scenes from RGB images captured by visible light cameras. In practical scenarios like…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Chonghao Zhong , Chao Xu

As a promising fashion for visual localization, scene coordinate regression (SCR) has seen tremendous progress in the past decade. Most recent methods usually adopt neural networks to learn the mapping from image pixels to 3D scene…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Le Chen , Weirong Chen , Rui Wang , Marc Pollefeys

This paper introduces a novel continual learning framework for synthesising novel views of multiple scenes, learning multiple 3D scenes incrementally, and updating the network parameters only with the training data of the upcoming new…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Yuze Wang , Junyi Wang , Chen Wang , Wantong Duan , Yongtang Bao , Yue Qi

As previous representations for reinforcement learning cannot effectively incorporate a human-intuitive understanding of the 3D environment, they usually suffer from sub-optimal performances. In this paper, we present Semantic-aware Neural…

机器学习 · 计算机科学 2023-06-01 Dongseok Shim , Seungjae Lee , H. Jin Kim

Neural Radiance Fields (NeRF) achieves photo-realistic image rendering from novel views, and the Neural Scene Graphs (NSG) \cite{ost2021neural} extends it to dynamic scenes (video) with multiple objects. Nevertheless, computationally heavy…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Yeji Song , Chaerin Kong , Seoyoung Lee , Nojun Kwak , Joonseok Lee

Neural Radiance Fields (NeRF) has achieved unprecedented view synthesis quality using coordinate-based neural scene representations. However, NeRF's view dependency can only handle simple reflections like highlights but cannot deal with…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Yuan-Chen Guo , Di Kang , Linchao Bao , Yu He , Song-Hai Zhang

We present a novel approach to perform 3D semantic segmentation solely from 2D supervision by leveraging Neural Radiance Fields (NeRFs). By extracting features along a surface point cloud, we achieve a compact representation of the scene…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Dominik Hollidt , Clinton Wang , Polina Golland , Marc Pollefeys

In this study, we present a method for synthesizing novel views from a single 360-degree RGB-D image based on the neural radiance field (NeRF) . Prior studies relied on the neighborhood interpolation capability of multi-layer perceptrons to…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Takayuki Hara , Tatsuya Harada

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

Considering the problem of novel view synthesis (NVS) from only a set of 2D images, we simplify the training process of Neural Radiance Field (NeRF) on forward-facing scenes by removing the requirement of known or pre-computed camera…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Zirui Wang , Shangzhe Wu , Weidi Xie , Min Chen , Victor Adrian Prisacariu

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…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Byeonghyeon Lee , Howoong Lee , Usman Ali , Eunbyung Park

We present a method to synthesize novel views from a single $360^\circ$ panorama image based on the neural radiance field (NeRF). Prior studies in a similar setting rely on the neighborhood interpolation capability of multi-layer…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Shreyas Kulkarni , Peng Yin , Sebastian Scherer

In this paper, we aim to learn a semantic radiance field from multiple scenes that is accurate, efficient and generalizable. While most existing NeRFs target at the tasks of neural scene rendering, image synthesis and multi-view…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Fangfu Liu , Chubin Zhang , Yu Zheng , Yueqi Duan

Implicit neural representations have shown powerful capacity in modeling real-world 3D scenes, offering superior performance in novel view synthesis. In this paper, we target a more challenging scenario, i.e., joint scene novel view…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Yuxin Wang , Wayne Wu , Dan Xu

Neural Radiance Fields (NeRF) have demonstrated impressive performance in novel view synthesis. However, NeRF and most of its variants still rely on traditional complex pipelines to provide extrinsic and intrinsic camera parameters, such as…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Jie Chen , Bo Li , Xiaowen Chu , Fei Deng

Animating high-fidelity video portrait with speech audio is crucial for virtual reality and digital entertainment. While most previous studies rely on accurate explicit structural information, recent works explore the implicit scene…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Xian Liu , Yinghao Xu , Qianyi Wu , Hang Zhou , Wayne Wu , Bolei Zhou