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相关论文: Boosting Point Clouds Rendering via Radiance Mappi…

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We address the task of view synthesis, generating novel views of a scene given a set of images as input. In many recent works such as NeRF (Mildenhall et al., 2020), the scene geometry is parameterized using neural implicit representations…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Yiming Zuo , Jia Deng

The growing size of point clouds enlarges consumptions of storage, transmission, and computation of 3D scenes. Raw data is redundant, noisy, and non-uniform. Therefore, simplifying point clouds for achieving compact, clean, and uniform…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Yuanqi Li , Jianwei Guo , Xinran Yang , Shun Liu , Jie Guo , Xiaopeng Zhang , Yanwen Guo

Recent progress in large-scale scene rendering has yielded Neural Radiance Fields (NeRF)-based models with an impressive ability to synthesize scenes across small objects and indoor scenes. Nevertheless, extending this idea to large-scale…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Xiaohan Zhang , Yukui Qiu , Zhenyu Sun , Qi Liu

Point cloud is a critical 3D representation with many emerging applications. Because of the point sparsity and irregularity, high-quality rendering of point clouds is challenging and often requires complex computations to recover the…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Yueyu Hu , Ran Gong , Qi Sun , Yao Wang

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

We propose a compute shader based point cloud rasterizer with up to 10 times higher performance than classic point-based rendering with the GL_POINT primitive. In addition to that, our rasterizer offers 5 byte depth-buffer precision with…

图形学 · 计算机科学 2019-08-08 Markus Schütz , Michael Wimmer

Rendering high-fidelity images from sparse point clouds is still challenging. Existing learning-based approaches suffer from either hole artifacts, missing details, or expensive computations. In this paper, we propose a novel framework to…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Jiaxu Wang , Ziyi Zhang , Junhao He , Renjing Xu

Recovering high quality surfaces from noisy point clouds, known as point cloud denoising, is a fundamental yet challenging problem in geometry processing. Most of the existing methods either directly denoise the noisy input or filter raw…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Zheng Liu , Yaowu Zhao , Sijing Zhan , Yuanyuan Liu , Renjie Chen , Ying He

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…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Young Chun Ahn , Seokhwan Jang , Sungheon Park , Ji-Yeon Kim , Nahyup Kang

Current methods for 3D reconstruction and environmental mapping frequently face challenges in achieving high precision, highlighting the need for practical and effective solutions. In response to this issue, our study introduces FlyNeRF, a…

机器人学 · 计算机科学 2024-04-22 Maria Dronova , Vladislav Cheremnykh , Alexey Kotcov , Aleksey Fedoseev , Dzmitry Tsetserukou

This paper proposes NeuralEditor that enables neural radiance fields (NeRFs) natively editable for general shape editing tasks. Despite their impressive results on novel-view synthesis, it remains a fundamental challenge for NeRFs to edit…

计算机视觉与模式识别 · 计算机科学 2023-05-05 Jun-Kun Chen , Jipeng Lyu , Yu-Xiong Wang

Recent advances in mapping techniques have enabled the creation of highly accurate dense 3D maps during robotic missions, such as point clouds, meshes, or NeRF-based representations. These developments present new opportunities for reusing…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Lintong Zhang , Yifu Tao , Jiarong Lin , Fu Zhang , Maurice Fallon

The reconstruction of real-world surfaces is on high demand in various applications. Most existing reconstruction approaches apply 3D scanners for creating point clouds which are generally sparse and of low density. These points clouds will…

计算机视觉与模式识别 · 计算机科学 2021-03-01 Rajat Sharma , Tobias Schwandt , Christian Kunert , Steffen Urban , Wolfgang Broll

We propose a differentiable rendering algorithm for efficient novel view synthesis. By departing from volume-based representations in favor of a learned point representation, we improve on existing methods more than an order of magnitude in…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Qiang Zhang , Seung-Hwan Baek , Szymon Rusinkiewicz , Felix Heide

An increased interest in immersive applications has drawn attention to emerging 3D imaging representation formats, notably light fields and point clouds (PCs). Nowadays, PCs are one of the most popular 3D media formats, due to recent…

图像与视频处理 · 电气工程与系统科学 2020-10-13 Alireza Javaheri , Catarina Brites , Fernando Pereira , João Ascenso

Since the advent of Neural Radiance Fields, novel view synthesis has received tremendous attention. The existing approach for the generalization of radiance field reconstruction primarily constructs an encoding volume from nearby source…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Jingliang Li , Qiang Zhou , Chaohui Yu , Zhengda Lu , Jun Xiao , Zhibin Wang , Fan Wang

Current models for point cloud recognition demonstrate promising performance on synthetic datasets. However, real-world point cloud data inevitably contains noise, impacting model robustness. While recent efforts focus on enhancing…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Dingxin Zhang , Jianhui Yu , Tengfei Xue , Chaoyi Zhang , Dongnan Liu , Weidong Cai

Implicit Neural Point Cloud (INPC) is a recent hybrid representation that combines the expressiveness of neural fields with the efficiency of point-based rendering, achieving state-of-the-art image quality in novel view synthesis. However,…

Perceiving the environment via cameras is crucial for Reinforcement Learning (RL) in robotics. While images are a convenient form of representation, they often complicate extracting important geometric details, especially with varying…

机器学习 · 计算机科学 2024-10-25 Balázs Gyenes , Nikolai Franke , Philipp Becker , Gerhard Neumann

This paper proposes a novel approach for rendering a pre-trained Neural Radiance Field (NeRF) in real-time on resource-constrained devices. We introduce Re-ReND, a method enabling Real-time Rendering of NeRFs across Devices. Re-ReND is…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Sara Rojas , Jesus Zarzar , Juan Camilo Perez , Artsiom Sanakoyeu , Ali Thabet , Albert Pumarola , Bernard Ghanem