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Neural Radiance Fields (NeRFs) have shown remarkable performances in producing novel-view images from high-quality scene images. However, hand-held low-light photography challenges NeRFs as the captured images may simultaneously suffer from…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Zefan Qu , Ke Xu , Gerhard Petrus Hancke , Rynson W. H. Lau

We propose pixelNeRF, a learning framework that predicts a continuous neural scene representation conditioned on one or few input images. The existing approach for constructing neural radiance fields involves optimizing the representation…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Alex Yu , Vickie Ye , Matthew Tancik , Angjoo Kanazawa

Neural Radiance Fields (NeRF) is an emerging technique to synthesize 3D objects from 2D images with a wide range of potential applications. However, rendering existing NeRF models is extremely computation intensive, making it challenging to…

分布式、并行与集群计算 · 计算机科学 2024-06-25 Zhe Wang , Yifei Zhu

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

We present a new method for estimating the Neural Reflectance Field (NReF) of an object from a set of posed multi-view images under unknown lighting. NReF represents 3D geometry and appearance of objects in a disentangled manner, and are…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Xiu Li , Xiao Li , Yan Lu

When a camera travels across a 3D world, only a fraction of pixel value changes; an event-based camera observes the change as sparse events. How can we utilize sparse events for efficient recovery of the camera pose? We show that we can…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Mana Masuda , Yusuke Sekikawa , Hideo Saito

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

Neural Radiance Fields (NeRF) is a revolutionary approach for rendering scenes by sampling a single ray per pixel and it has demonstrated impressive capabilities in novel-view synthesis from static scene images. However, in practice, we…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yifan Yang , Shuhai Zhang , Zixiong Huang , Yubing Zhang , Mingkui Tan

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

Novel view synthesis (NVS) is a challenge in computer vision and graphics, focusing on generating realistic images of a scene from unobserved camera poses, given a limited set of authentic input images. Neural radiance fields (NeRF)…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Austin Peng

Neural Radiance Field (NeRF) is a framework that represents a 3D scene in the weights of a fully connected neural network, known as the Multi-Layer Perception(MLP). The method was introduced for the task of novel view synthesis and is able…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Mohamed Debbagh

A critical limitation of current methods based on Neural Radiance Fields (NeRF) is that they are unable to quantify the uncertainty associated with the learned appearance and geometry of the scene. This information is paramount in real…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Jianxiong Shen , Antonio Agudo , Francesc Moreno-Noguer , Adria Ruiz

In this paper, we introduce a new challenge for synthesizing novel view images in practical environments with limited input multi-view images and varying lighting conditions. Neural radiance fields (NeRF), one of the pioneering works for…

计算机视觉与模式识别 · 计算机科学 2023-12-19 SeokYeong Lee , JunYong Choi , Seungryong Kim , Ig-Jae Kim , Junghyun Cho

Neural Radiance Fields (NeRFs) have remodeled 3D scene representation since release. NeRFs can effectively reconstruct complex 3D scenes from 2D images, advancing different fields and applications such as scene understanding, 3D content…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Wenhui Xiao , Remi Chierchia , Rodrigo Santa Cruz , Xuesong Li , David Ahmedt-Aristizabal , Olivier Salvado , Clinton Fookes , Leo Lebrat

Existing NeRF-based inverse rendering methods suppose that scenes are exclusively illuminated by distant light sources, neglecting the potential influence of emissive sources within a scene. In this work, we confront this limitation using…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Jinseo Jeong , Junseo Koo , Qimeng Zhang , Gunhee Kim

Neural Radiance Fields (NeRF) can be optimized to obtain high-fidelity 3D scene reconstructions of objects and large-scale scenes. However, NeRFs require accurate camera parameters as input -- inaccurate camera parameters result in blurry…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Keunhong Park , Philipp Henzler , Ben Mildenhall , Jonathan T. Barron , Ricardo Martin-Brualla

Neural radiance fields (NeRF) are a groundbreaking computer vision technology that enables the generation of high-quality, immersive visual content from multiple viewpoints. This capability has significant advantages for applications such…

多媒体 · 计算机科学 2024-09-30 Pedro Martin , Antonio Rodrigues , Joao Ascenso , Maria Paula Queluz

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

Neural Radiance Field (NeRF) research has attracted significant attention recently, with 3D modelling, virtual/augmented reality, and visual effects driving its application. While current NeRF implementations can produce high quality visual…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Adrian Azzarelli , Nantheera Anantrasirichai , David R Bull

Implicit representations like Neural Radiance Fields (NeRF) showed impressive results for photorealistic rendering of complex scenes with fine details. However, ideal or near-perfectly specular reflecting objects such as mirrors, which are…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Leif Van Holland , Ruben Bliersbach , Jan U. Müller , Patrick Stotko , Reinhard Klein