Color constancy

M Ebner - Computer vision: A reference guide, 2021 - Springer
Background In computer vision, there are multiple calibration problems. The most
fundamental one is the camera calibration, which determines the intrinsic and extrinsic …

Retinex in matlab

B Funt, F Ciurea, J McCann - Color and Imaging Conference, 2000 - library.imaging.org
Many different descriptions of retinex methods of lightness computation exist. This paper
provides concise MATLAB implementations of two of the spatial techniques of making pixel …

A comparison of computational color constancy algorithms. I: Methodology and experiments with synthesized data

K Barnard, V Cardei, B Funt - IEEE transactions on Image …, 2002 - ieeexplore.ieee.org
We introduce a context for testing computational color constancy, specify our approach to
the implementation of a number of the leading algorithms, and report the results of three …

Color by correlation: A simple, unifying framework for color constancy

GD Finlayson, SD Hordley… - IEEE Transactions on …, 2001 - ieeexplore.ieee.org
The paper considers the problem of illuminant estimation: how, given an image of a scene,
recorded under an unknown light, we can recover an estimate of that light. Obtaining such …

Single and multiple illuminant estimation using convolutional neural networks

S Bianco, C Cusano, R Schettini - IEEE Transactions on Image …, 2017 - ieeexplore.ieee.org
In this paper, we present a three-stage method for the estimation of the color of the illuminant
in RAW images. The first stage uses a convolutional neural network that has been specially …

A comparison of computational color constancy algorithms. ii. experiments with image data

K Barnard, L Martin, A Coath… - IEEE transactions on …, 2002 - ieeexplore.ieee.org
For pt. I see ibid., vol. 11, no. 9, p. 972-84 (2002). We test a number of the leading
computational color constancy algorithms using a comprehensive set of images. These were …

Color constancy at a pixel

GD Finlayson, SD Hordley - Journal of the Optical Society of America …, 2001 - opg.optica.org
In computational terms we can solve the color constancy problem if device red, green, and
blue sensor responses, or RGB's, for surfaces seen under an unknown illuminant can be …

Is machine colour constancy good enough?

B Funt, K Barnard, L Martin - Computer Vision—ECCV'98: 5th European …, 1998 - Springer
This paper presents a negative result: current machine colour constancy algorithms are not
good enough for colour-based object recognition. This result has surprised us since we …

Estimating the scene illumination chromaticity by using a neural network

VC Cardei, B Funt, K Barnard - Journal of the Optical Society of …, 2002 - opg.optica.org
A neural network can learn color constancy, defined here as the ability to estimate the
chromaticity of a scene's overall illumination. We describe a multilayer neural network that is …

Auto white-balance correction for mixed-illuminant scenes

M Afifi, MA Brubaker, MS Brown - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Auto white balance (AWB) is applied by camera hardware at capture time to remove the
color cast caused by the scene illumination. The vast majority of white-balance algorithms …