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Recent work on Neural Radiance Fields (NeRF) showed how neural networks can be used to encode complex 3D environments that can be rendered photorealistically from novel viewpoints. Rendering these images is very computationally demanding…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Stephan J. Garbin , Marek Kowalski , Matthew Johnson , Jamie Shotton , Julien Valentin

Representing and synthesizing novel views in real-world dynamic scenes from casual monocular videos is a long-standing problem. Existing solutions typically approach dynamic scenes by applying geometry techniques or utilizing temporal…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Boyu Zhang , Wenbo Xu , Zheng Zhu , Guan Huang

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

This paper presents an adaptive image sampling algorithm based on Deep Learning (DL). The adaptive sampling mask generation network is jointly trained with an image inpainting network. The sampling rate is controlled in the mask generation…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Qiqin Dai , Henry Chopp , Emeline Pouyet , Oliver Cossairt , Marc Walton , Aggelos K. Katsaggelos

While NeRF has shown great success for neural reconstruction and rendering, its limited MLP capacity and long per-scene optimization times make it challenging to model large-scale indoor scenes. In contrast, classical 3D reconstruction…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Xiaoshuai Zhang , Sai Bi , Kalyan Sunkavalli , Hao Su , Zexiang Xu

Neural Radiance Fields (NeRF) achieves unprecedented performance in synthesizing novel view synthesis, utilizing multi-view consistency. When capturing multiple inputs, image signal processing (ISP) in modern cameras will independently…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Yuehao Wang , Chaoyi Wang , Bingchen Gong , Tianfan Xue

Sampling methods (e.g., node-wise, layer-wise, or subgraph) has become an indispensable strategy to speed up training large-scale Graph Neural Networks (GNNs). However, existing sampling methods are mostly based on the graph structural…

机器学习 · 计算机科学 2021-09-07 Weilin Cong , Rana Forsati , Mahmut Kandemir , Mehrdad Mahdavi

Neural Radiance Fields, or NeRFs, have drastically improved novel view synthesis and 3D reconstruction for rendering. NeRFs achieve impressive results on object-centric reconstructions, but the quality of novel view synthesis with…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Georgios Kopanas , George Drettakis

This paper presents a stylized novel view synthesis method. Applying state-of-the-art stylization methods to novel views frame by frame often causes jittering artifacts due to the lack of cross-view consistency. Therefore, this paper…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Thu Nguyen-Phuoc , Feng Liu , Lei Xiao

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

Recent advances in neural rendering have enabled highly photorealistic 3D scene reconstruction and novel view synthesis. Despite this progress, current state-of-the-art methods struggle to reconstruct high frequency detail, due to factors…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Sibi Catley-Chandar , Richard Shaw , Gregory Slabaugh , Eduardo Perez-Pellitero

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

Neural radiance fields (NeRFs) enable novel view synthesis with unprecedented visual quality. However, to render photorealistic images, NeRFs require hundreds of deep multilayer perceptron (MLP) evaluations - for each pixel. This is…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Ziyu Wan , Christian Richardt , Aljaž Božič , Chao Li , Vijay Rengarajan , Seonghyeon Nam , Xiaoyu Xiang , Tuotuo Li , Bo Zhu , Rakesh Ranjan , Jing Liao

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

This work introduces a novel augmentation method that increases the diversity of a train set to improve the generalization abilities of a 6D pose estimation network. For this purpose, a Neural Radiance Field is trained from synthetic images…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Antoine Legrand , Renaud Detry , Christophe De Vleeschouwer

Recent advancements in implicit neural representations have contributed to high-fidelity surface reconstruction and photorealistic novel view synthesis. However, the computational complexity inherent in these methodologies presents a…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Yiying Yang , Wen Liu , Fukun Yin , Xin Chen , Gang Yu , Jiayuan Fan , Tao Chen

Neural Radiance Field (NeRF) has shown impressive results in novel view synthesis, particularly in Virtual Reality (VR) and Augmented Reality (AR), thanks to its ability to represent scenes continuously. However, when just a few input view…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Hanxin Zhu , Tianyu He , Zhibo Chen

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

We present a novel approach for digitizing real-world objects by estimating their geometry, material properties, and environmental lighting from a set of posed images with fixed lighting. Our method incorporates into Neural Radiance Field…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Jesus Zarzar , Bernard Ghanem

Recent neural human representations can produce high-quality multi-view rendering but require using dense multi-view inputs and costly training. They are hence largely limited to static models as training each frame is infeasible. We…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Fuqiang Zhao , Wei Yang , Jiakai Zhang , Pei Lin , Yingliang Zhang , Jingyi Yu , Lan Xu