Volumental / colorchecker

Calibrate the color response in images with a colorchecker

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Colorchecker color calibration

This repository contains code to calibrate colors in images by finding a colorchecker checkerboard and use it as a reference for what the true colors should be. The color correction is modeled as a linear transformation of linear intensities (images are decoded from sRGB). The reference colors are read from a secondary image containing a reference colorchecker. Two reference images are provided in the resources folder, they come from http://babelcolor.com/.

This code was originally developed at Volumental, www.volumental.com.

License

This software is in the public domain. Where that dedication is not recognized, you are granted a perpetual, irrevocable license to copy and modify these files as you see fit.

This does not apply to files in the thirdparty folder.

Usage

Build the code by running scripts/build.sh.

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Calibrate the color response in images with a colorchecker


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