Joost Weijer, Theo Gevers, Cordelia Schmid, Arjan Gijsenij. Color Ratios. Theo Gevers and Arjan Gijsenij and Joost van de Weijer and Jan-Mark Geusebroek.
Color in Computer Vision, Wiley, 2012, The Wiley-IS&T Series in Imaging Science and Technology, 978-0-470-89084-4.
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