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Reduce to 10 colours in the best way
#1
i want to make a painting of this pic.
https://static.wikia.nocookie.net/villai...0720000003
In advance, the colour palette of this image is quite reduced. I like to hear your good ideas on how I can best represent the image with approx. 10 colours


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#2
Whatever you do, it is not going to be very pretty.
You can convert to 8 bit and Indexed Mode with x number of colours and no dithering.
or
Posterizing, the built in Gimp posterize gives more than the specified number of colours. Use the gimp_gmic_qt plugin from http://www.gmic.eu Looks like this with 16 colours. https://i.imgur.com/pNu6W2C.jpg (10 colours looks really awful)
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#3
Thanks a lot
can be that 10 colours is a little too "ambitiøs" - but the thing is: Some parts of the picture matters more than other part - The face has a high priority, the body -> a lower, - and the backgruond -> very low - if you understand

(Maybe I'm really asking more about how I come from the image to a more simple painting / drawing / cartoon (there could be a more direct way than starting to reduce the colours))
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#4
Maybe this can help you: Gmic Qt / Artistic / Cutout (parameters : 10/0/10)
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#5
(11-23-2020, 06:43 PM)denzjos Wrote: Maybe this can help you: Gmic Qt / Artistic / Cutout (parameters : 10/0/10)

Sorry - but I'm not sure what that is is - some kind of a command-line plug-in?
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#6
It's a plugin for gimp : https://gmic.eu
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#7
(11-24-2020, 07:33 AM)denzjos Wrote: It's a plugin for gimp : https://gmic.eu

very impressive result - thanks a lot
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#8
(11-23-2020, 01:39 PM)T-buch Wrote: Thanks a lot
can be that 10 colours is a little too "ambitiøs" - but the thing is: Some parts of the picture matters more than other part - The face has a high priority, the body -> a lower, - and the backgruond -> very low - if you understand

(Maybe I'm really asking more about how I come from the image to a more simple painting / drawing / cartoon (there could be a more direct way than starting to reduce the colours))

The idea is to heavily blur the background, then blur the body a bit less, and not blur the face (or not too much). The Median blur is often better than the Gaussian because it keeps the edges.
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#9
(11-23-2020, 11:14 AM)T-buch Wrote: i want to make a painting of this pic.
https://static.wikia.nocookie.net/villai...0720000003
In advance, the colour palette of this image is quite reduced. I like to hear your good ideas on how I can best represent the image with approx. 10 colours

Perhaps menu Color-Posterize. I'm also looking for a better way.
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#10
Image > Mode > Indexed with Optimal palette is you friend. Then come back to Image > Mode > RGB if necessary (this will keep the 10 colors).

You can also use Colors > Dither but you have to figure out how to split your 10 colors into values count for R/G/B since the total number of colors is the product of these counts. So for 10, that would be it is 2, 5, 1 and you can't have 1...
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