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Related papers: ROGR: Relightable 3D Objects using Generative Reli…

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We propose TensoIR, a novel inverse rendering approach based on tensor factorization and neural fields. Unlike previous works that use purely MLP-based neural fields, thus suffering from low capacity and high computation costs, we extend…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Haian Jin , Isabella Liu , Peijia Xu , Xiaoshuai Zhang , Songfang Han , Sai Bi , Xiaowei Zhou , Zexiang Xu , Hao Su

Efficient and accurate 3D reconstruction is essential for applications in cultural heritage. This study addresses the challenge of visualizing objects within large-scale scenes at a high level of detail (LOD) using Neural Radiance Fields…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Quoc-Anh Bui , Gilles Rougeron , Géraldine Morin , Simone Gasparini

We present a method for composing photorealistic scenes from captured images of objects. Our work builds upon neural radiance fields (NeRFs), which implicitly model the volumetric density and directionally-emitted radiance of a scene. While…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Michelle Guo , Alireza Fathi , Jiajun Wu , Thomas Funkhouser

We propose RelitLRM, a Large Reconstruction Model (LRM) for generating high-quality Gaussian splatting representations of 3D objects under novel illuminations from sparse (4-8) posed images captured under unknown static lighting. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Tianyuan Zhang , Zhengfei Kuang , Haian Jin , Zexiang Xu , Sai Bi , Hao Tan , He Zhang , Yiwei Hu , Milos Hasan , William T. Freeman , Kai Zhang , Fujun Luan

Physics-based inverse rendering enables joint optimization of shape, material, and lighting based on captured 2D images. To ensure accurate reconstruction, using a light model that closely resembles the captured environment is essential.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Jingwang Ling , Ruihan Yu , Feng Xu , Chun Du , Shuang Zhao

Editing a local region or a specific object in a 3D scene represented by a NeRF or consistently blending a new realistic object into the scene is challenging, mainly due to the implicit nature of the scene representation. We present…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Ori Gordon , Omri Avrahami , Dani Lischinski

The generation of high-quality 3D car assets is essential for various applications, including video games, autonomous driving, and virtual reality. Current 3D generation methods utilizing NeRF or 3D-GS as representations for 3D objects,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Xiaoxue Chen , Jv Zheng , Hao Huang , Haoran Xu , Weihao Gu , Kangliang Chen , He xiang , Huan-ang Gao , Hao Zhao , Guyue Zhou , Yaqin Zhang

We investigate the use of Neural Radiance Fields (NeRF) to learn high quality 3D object category models from collections of input images. In contrast to previous work, we are able to do this whilst simultaneously separating foreground…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Christopher Xie , Keunhong Park , Ricardo Martin-Brualla , Matthew Brown

The standard Neural Radiance Fields (NeRF) paradigm employs a viewer-centered methodology, entangling the aspects of illumination and material reflectance into emission solely from 3D points. This simplified rendering approach presents…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Ziteng Cui , Lin Gu , Xiao Sun , Xianzheng Ma , Yu Qiao , Tatsuya Harada

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Xiu Li , Xiao Li , Yan Lu

Recent advances in neural radiance fields (NeRFs) achieve state-of-the-art novel view synthesis and facilitate dense estimation of scene properties. However, NeRFs often fail for large, unbounded scenes that are captured under very sparse…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Alexandra Carlson , Manikandasriram Srinivasan Ramanagopal , Nathan Tseng , Matthew Johnson-Roberson , Ram Vasudevan , Katherine A. Skinner

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

Neural radiance fields (NeRF) have revolutionized the field of image-based view synthesis. However, NeRF uses straight rays and fails to deal with complicated light path changes caused by refraction and reflection. This prevents NeRF from…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Xiaoxue Chen , Junchen Liu , Hao Zhao , Guyue Zhou , Ya-Qin Zhang

The quality of three-dimensional reconstruction is a key factor affecting the effectiveness of its application in areas such as virtual reality (VR) and augmented reality (AR) technologies. Neural Radiance Fields (NeRF) can generate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Qianqiu Tan , Tao Liu , Yinling Xie , Shuwan Yu , Baohua Zhang

Humans have the remarkable ability to construct consistent mental models of an environment, even under limited or varying levels of illumination. We wish to endow robots with this same capability. In this paper, we tackle the challenge of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Tianyi Zhang , Kaining Huang , Weiming Zhi , Matthew Johnson-Roberson

Virtual environments (VEs) are pivotal for virtual, augmented, and mixed reality systems. Despite advances in 3D generation and reconstruction, the direct creation of 3D objects within an established 3D scene (represented as NeRF) for novel…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Peng Dai , Feitong Tan , Xin Yu , Yifan Peng , Yinda Zhang , Xiaojuan Qi

3D Gaussian Splatting (3DGS) has shown impressive results for the novel view synthesis task, where lighting is assumed to be fixed. However, creating relightable 3D assets, especially for objects with ill-defined shapes (fur, fabric, etc.),…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Jiahui Fan , Fujun Luan , Jian Yang , Miloš Hašan , Beibei Wang

3D-aware generative models have demonstrated their superb performance to generate 3D neural radiance fields (NeRF) from a collection of monocular 2D images even for topology-varying object categories. However, these methods still lack the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Ziyu Wang , Yu Deng , Jiaolong Yang , Jingyi Yu , Xin Tong

Recovering the geometry and materials of objects from a single image is challenging due to its under-constrained nature. In this paper, we present Neural LightRig, a novel framework that boosts intrinsic estimation by leveraging auxiliary…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Zexin He , Tengfei Wang , Xin Huang , Xingang Pan , Ziwei Liu

We present a unified and compact scene representation for robotics, where each object in the scene is depicted by a latent code capturing geometry and appearance. This representation can be decoded for various tasks such as novel view…