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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

Extensions of Neural Radiance Fields (NeRFs) to model dynamic scenes have enabled their near photo-realistic, free-viewpoint rendering. Although these methods have shown some potential in creating immersive experiences, two drawbacks limit…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang , Pedro Miraldo , Suhas Lohit , Moitreya Chatterjee

Creating high-quality and interactive virtual environments, such as games and simulators, often involves complex and costly manual modeling processes. In this paper, we present Video2Game, a novel approach that automatically converts videos…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Hongchi Xia , Zhi-Hao Lin , Wei-Chiu Ma , Shenlong Wang

This project presents an exploration into 3D scene reconstruction of synthetic and real-world scenes using Neural Radiance Field (NeRF) approaches. We primarily take advantage of the reduction in training and rendering time of neural…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Benedict Quartey , Tuluhan Akbulut , Wasiwasi Mgonzo , Zheng Xin Yong

Virtual tour among sparse 360$^\circ$ images is widely used while hindering smooth and immersive roaming experiences. The emergence of Neural Radiance Field (NeRF) has showcased significant progress in synthesizing novel views, unlocking…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Huajian Huang , Yingshu Chen , Tianjia Zhang , Sai-Kit Yeung

We propose im2nerf, a learning framework that predicts a continuous neural object representation given a single input image in the wild, supervised by only segmentation output from off-the-shelf recognition methods. The standard approach to…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Lu Mi , Abhijit Kundu , David Ross , Frank Dellaert , Noah Snavely , Alireza Fathi

Neural radiance field (NeRF), in particular its extension by instant neural graphics primitives, is a novel rendering method for view synthesis that uses real-world images to build photo-realistic immersive virtual scenes. Despite its…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Ke Li , Tim Rolff , Susanne Schmidt , Reinhard Bacher , Simone Frintrop , Wim Leemans , Frank Steinicke

We present a method, Neural Radiance Flow (NeRFlow),to learn a 4D spatial-temporal representation of a dynamic scene from a set of RGB images. Key to our approach is the use of a neural implicit representation that learns to capture the 3D…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Yilun Du , Yinan Zhang , Hong-Xing Yu , Joshua B. Tenenbaum , Jiajun Wu

Neural Radiance Fields (NeRFs) implicitly model continuous three-dimensional scenes using a set of images with known camera poses, enabling the rendering of photorealistic novel views. However, existing NeRF-based methods encounter…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Zhengyu Zou , Jingfeng Li , Hao Li , Xiaolei Hou , Jinwen Hu , Jingkun Chen , Lechao Cheng , Dingwen Zhang

This paper presents a Sim2Real (Simulation to Reality) approach to bridge the gap between a trained agent in a simulated environment and its real-world implementation in navigating a robot in a similar setting. Specifically, we focus on…

机器人学 · 计算机科学 2025-01-07 Murad Mehrab Abrar , Souryadeep Mondal , Michelle Hickner

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

We present an end-to-end system for the high-fidelity capture, model reconstruction, and real-time rendering of walkable spaces in virtual reality using neural radiance fields. To this end, we designed and built a custom multi-camera rig to…

Neural Radiance Fields (NeRFs) excel in photorealistically rendering static scenes. However, rendering dynamic, long-duration radiance fields on ubiquitous devices remains challenging, due to data storage and computational constraints. In…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Liao Wang , Kaixin Yao , Chengcheng Guo , Zhirui Zhang , Qiang Hu , Jingyi Yu , Lan Xu , Minye Wu

Implicit representations such as Neural Radiance Fields (NeRF) have been shown to be very effective at novel view synthesis. However, these models typically require manual and careful human data collection for training. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Pierre Marza , Laetitia Matignon , Olivier Simonin , Dhruv Batra , Christian Wolf , Devendra Singh Chaplot

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

Previous attempts to integrate Neural Radiance Fields (NeRF) into the Simultaneous Localization and Mapping (SLAM) framework either rely on the assumption of static scenes or require the ground truth camera poses, which impedes their…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Chengyao Duan , Zhiliu Yang

We present a learning-based method for synthesizing novel views of complex scenes using only unstructured collections of in-the-wild photographs. We build on Neural Radiance Fields (NeRF), which uses the weights of a multilayer perceptron…

计算机视觉与模式识别 · 计算机科学 2021-01-07 Ricardo Martin-Brualla , Noha Radwan , Mehdi S. M. Sajjadi , Jonathan T. Barron , Alexey Dosovitskiy , Daniel Duckworth

Neural Radiance Fields (NeRFs) have been remarkably successful at synthesizing novel views of 3D scenes by optimizing a volumetric scene function. This scene function models how optical rays bring color information from a 3D object to the…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Chaitanya Amballa , Sattwik Basu , Yu-Lin Wei , Zhijian Yang , Mehmet Ergezer , Romit Roy Choudhury

This paper presents a neural rendering method for controllable portrait video synthesis. Recent advances in volumetric neural rendering, such as neural radiance fields (NeRF), has enabled the photorealistic novel view synthesis of static…

计算机视觉与模式识别 · 计算机科学 2021-08-12 ShahRukh Athar , Zhixin Shu , Dimitris Samaras

Dynamic neural radiance fields (dynamic NeRFs) have demonstrated impressive results in novel view synthesis on 3D dynamic scenes. However, they often require complete video sequences for training followed by novel view synthesis, which is…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Zhiwen Yan , Chen Li , Gim Hee Lee
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