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Related papers: A Multi-Hypothesis Approach to Color Constancy

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It is an ill-posed problem to recover the true scene colors from a color biased image by discounting the effects of scene illuminant and camera spectral sensitivity (CSS) at the same time. Most color constancy (CC) models have been designed…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Shao-Bing Gao , Ming Zhang , Chao-Yi Li , Yong-Jie Li

In this paper, we provide a novel dataset designed for camera invariant color constancy research. Camera invariance corresponds to the robustness of an algorithm's performance when run on images of the same scene taken by different cameras.…

Computer Vision and Pattern Recognition · Computer Science 2017-11-16 Caglar Aytekin , Jarno Nikkanen , Moncef Gabbouj

Illuminant estimation aims to infer scene illumination from image measurements despite intrinsic ambiguities between surface reflectance and lighting. Most existing methods operate on trichromatic RGB images and are therefore fundamentally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 G. Dofri Vidarsson , Liying Lu , Sabine Süsstrunk

Color constancy methods often struggle to generalize across different camera sensors due to varying spectral sensitivities. We present GCC, which leverages diffusion models to inpaint color checkers into images for illumination estimation.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Chen-Wei Chang , Cheng-De Fan , Chia-Che Chang , Yi-Chen Lo , Yu-Chee Tseng , Jiun-Long Huang , Yu-Lun Liu

Computational color constancy, or white balancing, is a key module in a camera's image signal processor (ISP) that corrects color casts from scene lighting. Because this operation occurs in the camera-specific raw color space, white balance…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Dongyoung Kim , Mahmoud Afifi , Dongyun Kim , Michael S. Brown , Seon Joo Kim

Illumination estimation is the essential step of computational color constancy, one of the core parts of various image processing pipelines of modern digital cameras. Having an accurate and reliable illumination estimation is important for…

Computational color constancy is a preprocessing step used in many camera systems. The main aim is to discount the effect of the illumination on the colors in the scene and restore the original colors of the objects. Recently, several deep…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Jarno Nikkanen , Moncef Gabbouj

Advances in high dynamic range (HDR) lighting estimation from a single image have opened new possibilities for augmented reality (AR) applications. Predicting complex lighting environments from a single input image allows for the realistic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Zitian Zhang , Joshua Urban Davis , Jeanne Phuong Anh Vu , Jiangtao Kuang , Jean-François Lalonde

In this paper, we present CLCC, a novel contrastive learning framework for color constancy. Contrastive learning has been applied for learning high-quality visual representations for image classification. One key aspect to yield useful…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Yi-Chen Lo , Chia-Che Chang , Hsuan-Chao Chiu , Yu-Hao Huang , Chia-Ping Chen , Yu-Lin Chang , Kevin Jou

Reliable estimation of illuminant chromaticity is crucial for simulating color constancy and for white balancing digital images. However, estimating illuminant chromaticity from a single image is an ill-posed task, in general, and existing…

Computer Vision and Pattern Recognition · Computer Science 2019-06-14 Eytan Lifshitz , Dani Lischinski

Machine learning methods for computational imaging require uncertainty estimation to be reliable in real settings. While Bayesian models offer a computationally tractable way of recovering uncertainty, they need large data volumes to be…

Machine Learning · Computer Science 2020-08-24 Francesco Tonolini , Jack Radford , Alex Turpin , Daniele Faccio , Roderick Murray-Smith

In this paper, we study the importance of pre-training for the generalization capability in the color constancy problem. We propose two novel approaches based on convolutional autoencoders: an unsupervised pre-training algorithm using a…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Jarno Nikkanen , Moncef Gabbouj

Non-uniform and multi-illuminant color constancy are important tasks, the solution of which will allow to discard information about lighting conditions in the image. Non-uniform illumination and shadows distort colors of real-world objects…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Oleksii Sidorov

Relative colour constancy is an essential requirement for many scientific imaging applications. However, most digital cameras differ in their image formations and native sensor output is usually inaccessible, e.g., in smartphone camera…

Image and Video Processing · Electrical Eng. & Systems 2022-11-23 Yunfeng Zhao , Stuart Ferguson , Huiyu Zhou , Chris Elliott , Karen Rafferty

In this work we describe a Convolutional Neural Network (CNN) to accurately predict the scene illumination. Taking image patches as input, the CNN works in the spatial domain without using hand-crafted features that are employed by most…

Computer Vision and Pattern Recognition · Computer Science 2015-04-20 Simone Bianco , Claudio Cusano , Raimondo Schettini

Computational color constancy has the important task of reducing the influence of the scene illumination on the object colors. As such, it is an essential part of the image processing pipelines of most digital cameras. One of the important…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Egor Ershov , Alex Savchik , Illya Semenkov , Nikola Banić , Alexander Belokopytov , Daria Senshina , Karlo Koscević , Marko Subašić , Sven Lončarić

This paper introduces a novel method for inter-camera color calibration for multispectral imaging with camera arrays using a consensus image. Capturing images using multispectral camera arrays has gained importance in medical, agricultural,…

Image and Video Processing · Electrical Eng. & Systems 2024-11-14 Katja Kossira , Jürgen Seiler , André Kaup

The image signal processor (ISP) pipeline in modern cameras consists of several modules that transform raw sensor data into visually pleasing images in a display color space. Among these, the auto white balance (AWB) module is essential for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Luxi Zhao , Mahmoud Afifi , Michael S. Brown

As a novel method eliminating chromatic aberration on objects, computational color constancy has becoming a fundamental prerequisite for many computer vision applications. Among algorithms performing this task, the learning-based ones have…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Yilang Zhang , Neal N. Xiong , Zheng Wei , Xin Yuan , Jian Wang

In this paper, we formulate the color constancy task as an image-to-image translation problem using GANs. By conducting a large set of experiments on different datasets, an experimental survey is provided on the use of different types of…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Partha Das , Anil S. Baslamisli , Yang Liu , Sezer Karaoglu , Theo Gevers