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Related papers: Real-time Image-based Lighting of Glints

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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

We present a self-supervised approach to in-the-wild image relighting that enables fully controllable, physically based illumination editing. We achieve this by combining the physical accuracy of traditional rendering with the…

Graphics · Computer Science 2025-08-08 Chris Careaga , Yağız Aksoy

Estimating a scene's lighting is a very important task when compositing synthetic content within real environments, with applications in mixed reality and post-production. In this work we present a data-driven model that estimates an HDR…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Vasileios Gkitsas , Nikolaos Zioulis , Federico Alvarez , Dimitrios Zarpalas , Petros Daras

Real-world lighting often consists of multiple illuminants with different spectra. Separating and manipulating these illuminants in post-process is a challenging problem that requires either significant manual input or calibrated scene…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Zhuo Hui , Kalyan Sunkavalli , Sunil Hadap , Aswin C. Sankaranarayanan

Glossy objects present a significant challenge for 3D reconstruction from multi-view input images under natural lighting. In this paper, we introduce PBIR-NIE, an inverse rendering framework designed to holistically capture the geometry,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Guangyan Cai , Fujun Luan , Miloš Hašan , Kai Zhang , Sai Bi , Zexiang Xu , Iliyan Georgiev , Shuang Zhao

This paper presents a process for estimating the spatially varying surface reflectance of complex scenes observed under natural illumination. In contrast to previous methods, our process is not limited to scenes viewed under controlled…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Alen Joy , Charalambos Poullis

Estimating scene lighting from a single image or video remains a longstanding challenge in computer vision and graphics. Learning-based approaches are constrained by the scarcity of ground-truth HDR environment maps, which are expensive to…

Graphics · Computer Science 2025-09-05 Ruofan Liang , Kai He , Zan Gojcic , Igor Gilitschenski , Sanja Fidler , Nandita Vijaykumar , Zian Wang

Participating media are a pervasive and intriguing visual effect in virtual environments. Unfortunately, rendering such phenomena in real-time is notoriously difficult due to the computational expense of estimating the volume rendering…

Graphics · Computer Science 2026-04-07 Wei Li , Hanxiao Sun , Tao Huang , Haoxiang Wang , Tongtong Wang , Zherong Pan , Kui Wu

We present a networked, high performance graphics system that combines dynamic, high quality, ray traced global illumination computed on a server with direct illumination and primary visibility computed on a client. This approach provides…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-11 Michael Stengel , Zander Majercik , Benjamin Boudaoud , Morgan McGuire

We present an object relighting system that allows an artist to select an object from an image and insert it into a target scene. Through simple interactions, the system can adjust illumination on the inserted object so that it appears…

Computer Vision and Pattern Recognition · Computer Science 2018-04-23 Zicheng Liao , Kevin Karsch , Hongyi Zhang , David Forsyth

The correct insertion of virtual objects in images of real-world scenes requires a deep understanding of the scene's lighting, geometry and materials, as well as the image formation process. While recent large-scale diffusion models have…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Ruofan Liang , Zan Gojcic , Merlin Nimier-David , David Acuna , Nandita Vijaykumar , Sanja Fidler , Zian Wang

This study introduces an approximation for rendering one bounce glossy interreflection in real time. The solution is based on the most representative point (MRP) and extends to a sampling disk near the MRP. Our algorithm represents geometry…

Graphics · Computer Science 2021-09-14 Chunbiao Guo

We introduce the task of local relighting, which changes a photograph of a scene by switching on and off the light sources that are visible within the image. This new task differs from the traditional image relighting problem, as it…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Audrey Cui , Ali Jahanian , Agata Lapedriza , Antonio Torralba , Shahin Mahdizadehaghdam , Rohit Kumar , David Bau

In this paper, we propose the first framework that leverages physically-based inverse rendering for novel lighting generation on existing real-world human demonstrations of robotic manipulation tasks. Specifically, inverse rendering…

Robotics · Computer Science 2025-09-19 Shutong Jin , Lezhong Wang , Ben Temming , Florian T. Pokorny

Full-image relighting remains a challenging problem due to the difficulty of collecting large-scale structured paired data, the difficulty of maintaining physical plausibility, and the limited generalizability imposed by data-driven priors.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Zhexin Liang , Zhaoxi Chen , Yongwei Chen , Tianyi Wei , Tengfei Wang , Xingang Pan

In the real world, a scene is usually cast by multiple illuminants and herein we address the problem of spatial illumination estimation. Our solution is based on detecting gray pixels with the help of flash photography. We show that flash…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Yanlin Qian , Song Yan , Joni-Kristian Kämäräinen , Jiri Matas

Global illumination combines direct and indirect lighting to create realistic lighting effects, bringing virtual scenes closer to reality. Static global illumination is a crucial component of virtual scene rendering, leveraging…

Graphics · Computer Science 2025-06-03 Junke Zhu , Zehan Wu , Qixing Zhang , Cheng Liao , Zhangjin Huang

Given a set of images of a scene, the re-rendering of this scene from novel views and lighting conditions is an important and challenging problem in Computer Vision and Graphics. On the one hand, most existing works in Computer Vision…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Linjie Lyu , Ayush Tewari , Thomas Leimkuehler , Marc Habermann , Christian Theobalt

Recent 3D Gaussian Splatting (3DGS) representations have demonstrated remarkable performance in novel view synthesis; further, material-lighting disentanglement on 3DGS warrants relighting capabilities and its adaptability to broader…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Kai Ye , Chong Gao , Guanbin Li , Wenzheng Chen , Baoquan Chen

A low-light image enhancement is a highly demanded image processing technique, especially for consumer digital cameras and cameras on mobile phones. In this paper, a gradient-based low-light image enhancement algorithm is proposed. The key…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Masayuki Tanaka , Takashi Shibata , Masatoshi Okutomi