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Related papers: The Cube++ Illumination Estimation Dataset

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In this paper, we address the problem of quantifying reliability of computational saliency for videos, which can be used to improve saliency-based video processing and enable more reliable performance and risk assessment of such processing.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Tariq Alshawi , Zhiling Long , Ghassan AlRegib

Image harmonization aims at adjusting the appearance of the foreground to make it more compatible with the background. Without exploring background illumination and its effects on the foreground elements, existing works are incapable of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Zhongyun Hu , Ntumba Elie Nsampi , Xue Wang , Qing Wang

Illumination estimation remains a pivotal challenge in image processing, particularly for robotics, where robust environmental perception is essential under varying lighting conditions. Traditional approaches, such as RGB histograms and…

Image and Video Processing · Electrical Eng. & Systems 2025-07-04 Selcuk Yazar

Detecting traversable road areas ahead a moving vehicle is a key process for modern autonomous driving systems. A common approach to road detection consists of exploiting color features to classify pixels as road or background. These…

Computer Vision and Pattern Recognition · Computer Science 2014-12-19 Jose M. Alvarez , Theo Gevers , Antonio M. Lopez

The identification of light sources represents a task of utmost importance for the development of multiple photonic technologies. Over the last decades, the identification of light sources as diverse as sunlight, laser radiation and…

Many models exist in the scientific literature for determining indoor daylighting values. They are classified in three categories: numerical, simplified and empirical models. Nevertheless, each of these categories of models are not…

Computational Engineering, Finance, and Science · Computer Science 2012-12-26 Ali Hamada Fakra , Frédéric Miranville , Harry Boyer , Stéphane Guichard

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

We introduce Constellation, a dataset of 13K images suitable for research on detection of objects in dense urban streetscapes observed from high-elevation cameras, collected for a variety of temporal conditions. The dataset addresses the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Mehmet Kerem Turkcan , Sanjeev Narasimhan , Chengbo Zang , Gyung Hyun Je , Bo Yu , Mahshid Ghasemi , Javad Ghaderi , Gil Zussman , Zoran Kostic

Image captioning is a computer vision task that involves generating natural language descriptions for images. This method has numerous applications in various domains, including image retrieval systems, medicine, and various industries.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Sai Suprabhanu Nallapaneni , Subrahmanyam Konakanchi

In a previous work, it was shown that there is a curious problem with the benchmark ColorChecker dataset for illuminant estimation. To wit, this dataset has at least 3 different sets of ground-truths. Typically, for a single algorithm a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Ghalia Hemrit , Graham D. Finlayson , Arjan Gijsenij , Peter Gehler , Simone Bianco , Brian Funt , Mark Drew , Lilong Shi

In this paper, we propose a mathematical model for color image processing. It is a logarithmical one. We consider the cube (-1,1)x(-1,1)x(-1,1) as the set of values for the color space. We define two operations: addition <+> and real scalar…

Computer Vision and Pattern Recognition · Computer Science 2014-12-18 Vasile Patrascu , Vasile Buzuloiu

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

2D face analysis techniques, such as face landmarking, face recognition and face verification, are reasonably dependent on illumination conditions which are usually uncontrolled and unpredictable in the real world. An illumination robust…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Wuming Zhang , Xi Zhao , Jean-Marie Morvan , Liming Chen

In this paper, we aim to solve the problem of consistent depth prediction in complex scenes under various illumination conditions. The existing indoor datasets based on RGB-D sensors or virtual rendering have two critical limitations -…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Zitian Zhang , Chuhua Xian

Optical flow is typically estimated by minimizing a "data cost" and an optional regularizer. While there has been much work on different regularizers many modern algorithms still use a data cost that is not very different from the ones used…

Computer Vision and Pattern Recognition · Computer Science 2016-04-12 Dan Rosenbaum , Yair Weiss

Since camera modules become more and more affordable, multispectral camera arrays have found their way from special applications to the mass market, e.g., in automotive systems, smartphones, or drones. Due to multiple modalities, the…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Frank Sippel , Nils Genser , Hannah Och , Jürgen Seiler , André Kaup

Temporal Color Constancy (CC) is a recently proposed approach that challenges the conventional single-frame color constancy. The conventional approach is to use a single frame - shot frame - to estimate the scene illumination color. In…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Yanlin Qian , Jani Käpylä , Joni-Kristian Kämäräinen , Samu Koskinen , Jiri Matas

This paper presents a full-reference image quality estimator based on color, structure, and visual system characteristics denoted as CSV. In contrast to the majority of existing methods, we quantify perceptual color degradations rather than…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Dogancan Temel , Ghassan AlRegib

Safety-critical 3D scene understanding tasks necessitate not only accurate but also confident predictions from 3D perception models. This study introduces Calib3D, a pioneering effort to benchmark and scrutinize the reliability of 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Lingdong Kong , Xiang Xu , Jun Cen , Wenwei Zhang , Liang Pan , Kai Chen , Ziwei Liu

Compared to daytime image deraining, nighttime image deraining poses significant challenges due to inherent complexities of nighttime scenarios and the lack of high-quality datasets that accurately represent the coupling effect between rain…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Qiyuan Guan , Xiang Chen , Guiyue Jin , Jiyu Jin , Shumin Fan , Tianyu Song , Jinshan Pan