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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…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Boyu Zhang , Wenbo Xu , Zheng Zhu , Guan Huang

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Benedict Quartey , Tuluhan Akbulut , Wasiwasi Mgonzo , Zheng Xin Yong

Advances in image diffusion models have recently led to notable improvements in the generation of high-quality images. In combination with Neural Radiance Fields (NeRFs), they enabled new opportunities in 3D generation. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jan-Niklas Dihlmann , Andreas Engelhardt , Hendrik Lensch

Although there has been significant progress in neural radiance fields, an issue on dynamic illumination changes still remains unsolved. Different from relevant works that parameterize time-variant/-invariant components in scenes, subjects'…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Changyeon Won , Hyunjun Jung , Jungu Cho , Seonmi Park , Chi-Hoon Lee , Hae-Gon Jeon

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Yuze Wang , Junyi Wang , Chen Wang , Wantong Duan , Yongtang Bao , Yue Qi

Though Neural Radiance Field (NeRF) demonstrates compelling novel view synthesis results, it is still unintuitive to edit a pre-trained NeRF because the neural network's parameters and the scene geometry/appearance are often not explicitly…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Hao-Kang Liu , I-Chao Shen , Bing-Yu Chen

While neural fields have made significant strides in view synthesis and scene reconstruction, editing them poses a formidable challenge due to their implicit encoding of geometry and texture information from multi-view inputs. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Umar Khalid , Hasan Iqbal , Nazmul Karim , Jing Hua , Chen Chen

Current Neural Radiance Fields (NeRF) can generate photorealistic novel views. For editing 3D scenes represented by NeRF, with the advent of generative models, this paper proposes Inpaint4DNeRF to capitalize on state-of-the-art stable…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Han Jiang , Haosen Sun , Ruoxuan Li , Chi-Keung Tang , Yu-Wing Tai

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…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Ayaan Haque , Matthew Tancik , Alexei A. Efros , Aleksander Holynski , Angjoo Kanazawa

Text-to-3D form plays a crucial role in creating editable 3D scenes for AR/VR. Recent advances have shown promise in merging neural radiance fields (NeRFs) with pre-trained diffusion models for text-to-3D object generation. However, one…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Haotian Bai , Yuanhuiyi Lyu , Lutao Jiang , Sijia Li , Haonan Lu , Xiaodong Lin , Lin Wang

Neural Radiance Field (NeRF) is a powerful tool to faithfully generate novel views for scenes with only sparse captured images. Despite its strong capability for representing 3D scenes and their appearance, its editing ability is very…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Qiling Wu , Jianchao Tan , Kun Xu

We propose a Few-shot Dynamic Neural Radiance Field (FDNeRF), the first NeRF-based method capable of reconstruction and expression editing of 3D faces based on a small number of dynamic images. Unlike existing dynamic NeRFs that require…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Jingbo Zhang , Xiaoyu Li , Ziyu Wan , Can Wang , Jing Liao

We propose DistillNeRF, a self-supervised learning framework addressing the challenge of understanding 3D environments from limited 2D observations in outdoor autonomous driving scenes. Our method is a generalizable feedforward model that…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Letian Wang , Seung Wook Kim , Jiawei Yang , Cunjun Yu , Boris Ivanovic , Steven L. Waslander , Yue Wang , Sanja Fidler , Marco Pavone , Peter Karkus

We present DietNeRF, a 3D neural scene representation estimated from a few images. Neural Radiance Fields (NeRF) learn a continuous volumetric representation of a scene through multi-view consistency, and can be rendered from novel…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Ajay Jain , Matthew Tancik , Pieter Abbeel

Neural radiance field is an emerging rendering method that generates high-quality multi-view consistent images from a neural scene representation and volume rendering. Although neural radiance field-based techniques are robust for scene…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Ka Chun Shum , Jaeyeon Kim , Binh-Son Hua , Duc Thanh Nguyen , Sai-Kit Yeung

We propose InNeRF360, an automatic system that accurately removes text-specified objects from 360-degree Neural Radiance Fields (NeRF). The challenge is to effectively remove objects while inpainting perceptually consistent content for the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Dongqing Wang , Tong Zhang , Alaa Abboud , Sabine Süsstrunk

Novel view synthesis from a single image requires inferring occluded regions of objects and scenes whilst simultaneously maintaining semantic and physical consistency with the input. Existing approaches condition neural radiance fields…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Jiatao Gu , Alex Trevithick , Kai-En Lin , Josh Susskind , Christian Theobalt , Lingjie Liu , Ravi Ramamoorthi

Neural Radiance Fields (NeRF) are able to reconstruct scenes with unprecedented fidelity, and various recent works have extended NeRF to handle dynamic scenes. A common approach to reconstruct such non-rigid scenes is through the use of a…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Keunhong Park , Utkarsh Sinha , Peter Hedman , Jonathan T. Barron , Sofien Bouaziz , Dan B Goldman , Ricardo Martin-Brualla , Steven M. Seitz

We present High Dynamic Range Neural Radiance Fields (HDR-NeRF) to recover an HDR radiance field from a set of low dynamic range (LDR) views with different exposures. Using the HDR-NeRF, we are able to generate both novel HDR views and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Xuan Wang , Qing Wang

Despite recent progress in diffusion-based video editing, existing methods are limited to short-length videos due to the contradiction between long-range consistency and frame-wise editing. Prior attempts to address this challenge by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Jia-Wei Liu , Yan-Pei Cao , Jay Zhangjie Wu , Weijia Mao , Yuchao Gu , Rui Zhao , Jussi Keppo , Ying Shan , Mike Zheng Shou