Re: [Gimp-user] Help with colouring book stamp type images

[Seth Burgess <seth burgess gmail com>]

I've done this for pictures of my family - my daughter loves coloring us.  It works best on pictures without a lot of noise to them, but my "recipe" assuming a flattened (1 layer) image is:

1) Blur->Selective Gaussian Blur - use parameters to get rid of details but keep main subject sharp

2) Colors->Desaturate (I usually use Average, but not sure it matters)

3) Edge-Detect->Difference of Gaussians with about 8/33 as the 2 radiuses gets me some basic lines that work good for this on SLR-size photos, use smaller for values near the same ratio for smaller pictures.  Goal is to get an outline of the salient features only.

4) Colors->Levels... to make sharp black lines

5) Blur slightly if necessary

6) Save As.. & Print 

7) Open box of crayolas and go nuts

If you want to do more of a fake-crayon drawing to wow your friends, change the levels step to have very light grey output instead of dark black; then trace the light grey with heavy crayon before coloring in/shading with lighter shades.  As a bit of warning, eyeballs and cheekbones are amazingly hard to get right!

Happy GIMPing,

Seth Burgess

On Mon, Jan 23, 2012 at 4:54 PM, Chris Mohler <cr33dog gmail com> wrote:

On Mon, Jan 23, 2012 at 4:45 PM, NoviceGimper <forums gimpusers com> wrote:
> deally I want to literally make the image look like colouring book picture or a stamp.

Try:

Filters->Edge Detect->Edge...
Use defaults, click OK
Image->Mode->Grayscale
Colors->Invert

Possibly adjust Levels/Curves afterward.

HTH,
Chris

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