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Related papers: EverLight: Indoor-Outdoor Editable HDR Lighting Es…

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Video relighting offers immense creative potential and commercial value but is hindered by challenges, including the absence of an adequate evaluation metric, severe light flickering, and the degradation of fine-grained details during…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Xiangrui Liu , Haoxiang Li , Yezhou Yang

We present a novel method to estimate the surface normal of an object in an ambient light environment using RGB and event cameras. Modern photometric stereo methods rely on an RGB camera, mainly in a dark room, to avoid ambient…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Wonjeong Ryoo , Giljoo Nam , Jae-Sang Hyun , Sangpil Kim

Low-light image enhancement is an important task in computer vision, essential for improving the visibility and quality of images captured in non-optimal lighting conditions. Inadequate illumination can lead to significant information loss…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Ezequiel Perez-Zarate , Oscar Ramos-Soto , Chunxiao Liu , Diego Oliva , Marco Perez-Cisneros

The paper proposes a method to effectively fuse multi-exposure inputs and generate high-quality high dynamic range (HDR) images with unpaired datasets. Deep learning-based HDR image generation methods rely heavily on paired datasets. The…

Image and Video Processing · Electrical Eng. & Systems 2022-07-18 Ru Li , Chuan Wang , Jue Wang , Guanghui Liu , Heng-Yu Zhang , Bing Zeng , Shuaicheng Liu

High dynamic range (HDR) imaging under extreme illumination remains challenging for conventional cameras due to overexposure. Event cameras provide microsecond temporal resolution and high dynamic range, while spatially varying exposure…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Pengju Sun , Banglei Guan , Jing Tao , Zhenbao Yu , Xuanyu Bai , Yang Shang , Qifeng Yu

Synthesizing high dynamic range (HDR) images from multiple low-dynamic range (LDR) exposures in dynamic scenes is challenging. There are two major problems caused by the large motions of foreground objects. One is the severe misalignment…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Yuzhen Niu , Jianbin Wu , Wenxi Liu , Wenzhong Guo , Rynson W. H. Lau

Inverse rendering aims to reconstruct geometry and reflectance of objects from images. Despite recent progress, existing methods often produces inaccurate reconstructions that are sensitive to ambient illumination conditions. Here we…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Hoon-Gyu Chung , Jinnyeong Kim , Hyunwoo Kang , Seung-Hwan Baek

Accurate lighting estimation is challenging yet critical to many computer vision and computer graphics tasks such as high-dynamic-range (HDR) relighting. Existing approaches model lighting in either frequency domain or spatial domain which…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Fangneng Zhan , Changgong Zhang , Wenbo Hu , Shijian Lu , Feiying Ma , Xuansong Xie , Ling Shao

Depth estimation, as a necessary clue to convert 2D images into the 3D space, has been applied in many machine vision areas. However, to achieve an entire surrounding 360-degree geometric sensing, traditional stereo matching algorithms for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Keyang Zhou , Kailun Yang , Kaiwei Wang

We present a neural-based model for relighting a half-body portrait image by simply referring to another portrait image with the desired lighting condition. Rather than following classical inverse rendering methodology that involves…

Graphics · Computer Science 2021-06-28 Guoxian Song , Tat-Jen Cham , Jianfei Cai , Jianmin Zheng

We propose GRGS, a generalizable and relightable 3D Gaussian framework for high-fidelity human novel view synthesis under diverse lighting conditions. Unlike existing methods that rely on per-character optimization or ignore physical…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Yipengjing Sun , Shengping Zhang , Chenyang Wang , Shunyuan Zheng , Zonglin Li , Xiangyang Ji

While Generative Adversarial Networks (GANs) have recently found applications in image editing, most previous GAN-based image editing methods require largescale datasets with semantic segmentation annotations for training, only provide high…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Yuhan Cao , Haoran Jiang , Zhenghong Yu , Qi Li , Xuyang Li

While conventional depth estimation can infer the geometry of a scene from a single RGB image, it fails to estimate scene regions that are occluded by foreground objects. This limits the use of depth prediction in augmented and virtual…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Helisa Dhamo , Keisuke Tateno , Iro Laina , Nassir Navab , Federico Tombari

Low-light images suffer from severe noise and low illumination. Current deep learning models that are trained with real-world images have excellent noise reduction, but a ratio parameter must be chosen manually to complete the enhancement…

Image and Video Processing · Electrical Eng. & Systems 2020-04-23 Qingxu Fu , Xiaoguang Di , Yu Zhang

Content generation and manipulation approaches based on deep learning methods have seen significant advancements, leading to an increased need for techniques to detect whether an image has been generated or edited. Another area of research…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Philip Wootaek Shin , Jack Sampson , Vijaykrishnan Narayanan , Andres Marquez , Mahantesh Halappanavar

Most in-the-wild images are stored in Low Dynamic Range (LDR) form, serving as a partial observation of the High Dynamic Range (HDR) visual world. Despite limited dynamic range, these LDR images are often captured with different exposures,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Chao Wang , Ana Serrano , Xingang Pan , Bin Chen , Hans-Peter Seidel , Christian Theobalt , Karol Myszkowski , Thomas Leimkuehler

Classical light field rendering for novel view synthesis can accurately reproduce view-dependent effects such as reflection, refraction, and translucency, but requires a dense view sampling of the scene. Methods based on geometric…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Mohammed Suhail , Carlos Esteves , Leonid Sigal , Ameesh Makadia

We study the problem of synthesizing immersive 3D indoor scenes from one or more images. Our aim is to generate high-resolution images and videos from novel viewpoints, including viewpoints that extrapolate far beyond the input images while…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Jing Yu Koh , Harsh Agrawal , Dhruv Batra , Richard Tucker , Austin Waters , Honglak Lee , Yinfei Yang , Jason Baldridge , Peter Anderson

High dynamic range (HDR) imaging is a crucial task in computational photography, which captures details across diverse lighting conditions. Traditional HDR fusion methods face limitations in dynamic scenes with extreme exposure differences,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Shi Guo , Zixuan Chen , Ziran Zhang , Yutian Chen , Gangwei Xu , Tianfan Xue

Inverse rendering is an ill-posed problem. Previous work has sought to resolve this by focussing on priors for object or scene shape or appearance. In this work, we instead focus on a prior for natural illuminations. Current methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 James A. D. Gardner , Bernhard Egger , William A. P. Smith