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Volumetric neural rendering methods like NeRF generate high-quality view synthesis results but are optimized per-scene leading to prohibitive reconstruction time. On the other hand, deep multi-view stereo methods can quickly reconstruct…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Qiangeng Xu , Zexiang Xu , Julien Philip , Sai Bi , Zhixin Shu , Kalyan Sunkavalli , Ulrich Neumann

3D content manipulation is an important computer vision task with many real-world applications (e.g., product design, cartoon generation, and 3D Avatar editing). Recently proposed 3D GANs can generate diverse photorealistic 3D-aware…

计算机视觉与模式识别 · 计算机科学 2023-06-23 Junha Hyung , Sungwon Hwang , Daejin Kim , Hyunji Lee , Jaegul Choo

Though neural radiance fields (NeRF) have demonstrated impressive view synthesis results on objects and small bounded regions of space, they struggle on "unbounded" scenes, where the camera may point in any direction and content may exist…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Jonathan T. Barron , Ben Mildenhall , Dor Verbin , Pratul P. Srinivasan , Peter Hedman

Neural Radiance Fields (NeRF) have shown impressive novel view synthesis results; nonetheless, even thorough recordings yield imperfections in reconstructions, for instance due to poorly observed areas or minor lighting changes. Our goal is…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Barbara Roessle , Norman Müller , Lorenzo Porzi , Samuel Rota Bulò , Peter Kontschieder , Matthias Nießner

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 Non-Rigid Neural Radiance Fields (NR-NeRF), a reconstruction and novel view synthesis approach for general non-rigid dynamic scenes. Our approach takes RGB images of a dynamic scene as input (e.g., from a monocular video…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Edgar Tretschk , Ayush Tewari , Vladislav Golyanik , Michael Zollhöfer , Christoph Lassner , Christian Theobalt

Neural Radiance Field (NeRF) regresses a neural parameterized scene by differentially rendering multi-view images with ground-truth supervision. However, when interpolating novel views, NeRF often yields inconsistent and visually non-smooth…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Tianlong Chen , Peihao Wang , Zhiwen Fan , Zhangyang Wang

The rendering procedure used by neural radiance fields (NeRF) samples a scene with a single ray per pixel and may therefore produce renderings that are excessively blurred or aliased when training or testing images observe scene content at…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Jonathan T. Barron , Ben Mildenhall , Matthew Tancik , Peter Hedman , Ricardo Martin-Brualla , Pratul P. Srinivasan

Methods have recently been proposed that densely segment 3D volumes into classes using only color images and expert supervision in the form of sparse semantically annotated pixels. While impressive, these methods still require a relatively…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Kenneth Blomqvist , Lionel Ott , Jen Jen Chung , Roland Siegwart

Neural radiance field (NeRF) enables the synthesis of cutting-edge realistic novel view images of a 3D scene. It includes density and color fields to model the shape and radiance of a scene, respectively. Supervised by the photometric loss…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Qihang Fang , Yafei Song , Keqiang Li , Liefeng Bo

We study the problem of inferring an object-centric scene representation from a single image, aiming to derive a representation that explains the image formation process, captures the scene's 3D nature, and is learned without supervision.…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Hong-Xing Yu , Leonidas J. Guibas , Jiajun Wu

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

Recent works use the Neural radiance field (NeRF) to perform multi-view 3D reconstruction, providing a significant leap in rendering photorealistic scenes. However, despite its efficacy, NeRF exhibits limited capability of learning…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Congyue Deng , Jiawei Yang , Leonidas Guibas , Yue Wang

Neural radiance fields (NeRFs) are a powerful tool for implicit scene representations, allowing for differentiable rendering and the ability to make predictions about unseen viewpoints. There has been growing interest in object and…

机器人学 · 计算机科学 2024-11-14 Boxuan Zhang , Lindsay Kleeman , Michael Burke

Recent advancements in diffusion models have shown remarkable proficiency in editing 2D images based on text prompts. However, extending these techniques to edit scenes in Neural Radiance Fields (NeRF) is complex, as editing individual 2D…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Sara Rojas , Julien Philip , Kai Zhang , Sai Bi , Fujun Luan , Bernard Ghanem , Kalyan Sunkavall

Text-driven localized editing of 3D objects is particularly difficult as locally mixing the original 3D object with the intended new object and style effects without distorting the object's form is not a straightforward process. To address…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Hyeonseop Song , Seokhun Choi , Hoseok Do , Chul Lee , Taehyeong Kim

We address efficient and structure-aware 3D scene representation from images. Nerflets are our key contribution -- a set of local neural radiance fields that together represent a scene. Each nerflet maintains its own spatial position,…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Xiaoshuai Zhang , Abhijit Kundu , Thomas Funkhouser , Leonidas Guibas , Hao Su , Kyle Genova

We propose a method for editing NeRF scenes with text-instructions. Given a NeRF of a scene and the collection of images used to reconstruct it, our method uses an image-conditioned diffusion model (InstructPix2Pix) to iteratively edit the…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Ayaan Haque , Matthew Tancik , Alexei A. Efros , Aleksander Holynski , Angjoo Kanazawa

Recent novel view synthesis (NVS) techniques, including Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) have greatly advanced 3D scene reconstruction with high-quality rendering and realistic detail recovery. Effectively…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Wanzhou Liu , Zhexiao Xiong , Xinyu Li , Nathan Jacobs

Recent breakthroughs in text-guided image generation have led to remarkable progress in the field of 3D synthesis from text. By optimizing neural radiance fields (NeRF) directly from text, recent methods are able to produce remarkable…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Dana Cohen-Bar , Elad Richardson , Gal Metzer , Raja Giryes , Daniel Cohen-Or