Evolutionary colourisation of greyscale images
by Bara'a Ali Attea, Amina Dahim Aboud
International Journal of Advanced Media and Communication (IJAMC), Vol. 1, No. 3, 2007

Abstract: We introduce an Evolutionary Algorithm (EA) for 'colourising' greyscale images by evolving a colour 'square patches' transfer process between a source, colour image and a target, greyscale image. The presented EA attempts to automatically choose colour patches from a source image and add their chromatic information to the achromatic values of the target image patches. The proposed EA uses first- and second-order statistics for luminance and texture matching. The genes that can represent best matching over all EA parents are recombined in a single multi-sexual recombination to form a single offspring. Then, mutation forms all other offspring. The results demonstrate the potential of our simple EA in colourising a variety of images, provided that the source and target images semantically belong to the same class.

Online publication date: Sun, 03-Jun-2007

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