Re: [Gimp-user] cartoon (card figure) from photo

2007-04-29 Thread Daniel Nogradi
> > I guess I know too little about the terminology here; how do I
> > desaturate the image?
>
> http://docs.gimp.org/en/gimp-layer-desaturate.html
>
> >  And what do you mean by color removal? The top
> > layer should have transparent background, shouldn't it?
>
> http://docs.gimp.org/en/plug-in-colortoalpha.html
>
> > I guess what I'm asking is what did you exactly do when you got your
> > example done?
>
> Other than edge detection (http://docs.gimp.org/en/plug-in-dog.html),
> some erasing of  "ugly" parts of the top layer, and using the
> Selective Gaussian Blur
> (http://docs.gimp.org/en/plug-in-selective-blur.html), those parts of
> the GIMP User's Manual pretty well cover it.

Thanks very much for the pointers.

Daniel
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Re: [Gimp-user] cartoon (card figure) from photo

2007-04-29 Thread saulgoode
Quoting Daniel Nogradi <[EMAIL PROTECTED]>:

> I guess I know too little about the terminology here; how do I
> desaturate the image?

http://docs.gimp.org/en/gimp-layer-desaturate.html

>  And what do you mean by color removal? The top
> layer should have transparent background, shouldn't it?

http://docs.gimp.org/en/plug-in-colortoalpha.html

> I guess what I'm asking is what did you exactly do when you got your
> example done?

Other than edge detection (http://docs.gimp.org/en/plug-in-dog.html),  
some erasing of  "ugly" parts of the top layer, and using the  
Selective Gaussian Blur  
(http://docs.gimp.org/en/plug-in-selective-blur.html), those parts of  
the GIMP User's Manual pretty well cover it.

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Re: [Gimp-user] cartoon (card figure) from photo

2007-04-28 Thread Daniel Nogradi
> > What I would like to do is take a photo of someone's face and turn it
> > into a cartoon, more precisely into figures that are on ordinary
> > playing cards: Jack, Queen and King. The main feature of these figures
> > are: clear sharp edges and uniform colors between edges. This last
> > thing is the one that I'm not able to create from the photo. I tried
> > all kinds of edge detecting algorithms but the end result was always
> > 'photo-like' in the sense that the colors were not uniform but all
> > kinds of pixels next to each other as is always the case with photos.
> >
> > Would it be possible to detect sharp edges with uniform colors between
> > them?
>
>
> I would suggest keeping the two operations -- outlining and color
> smoothing -- as separate operations.
>
> If you duplicate your layer and, on the top layer perform your edge
> detection, followed by a desaturation and color removal, you will be
> able to erase (or enhance, or de-emphasize) the outline as you desire.
> On the lower layer, try the Selective Gaussian Blur to smooth out the
> colored regions.
>
> Using the above technique (crudely), I was able to produce the
> following transformation:
>
> http://www.imageox.com/image/46549-bush.png

Thanks very much, the example you gave is exactly the kind of thing I
would like to do.

I guess I know too little about the terminology here; how do I
desaturate the image? And what do you mean by color removal? The top
layer should have transparent background, shouldn't it?

I guess what I'm asking is what did you exactly do when you got your
example done?

> I should add that the Greycstoration Plug-in will also work wonders in
> cartoonifying an image.
>
> http://www.greyc.ensicaen.fr/~dtschump/greycstoration/index.html

I'll take a look at this as well, thanks.

Daniel
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Re: [Gimp-user] cartoon (card figure) from photo

2007-04-28 Thread Alexander Rabtchevich
You can also try

http://sound.eti.pg.gda.pl/~greg/gimp/


[EMAIL PROTECTED] wrote:
> I should add that the Greycstoration Plug-in will also work wonders in  
> cartoonifying an image.
> 
> http://www.greyc.ensicaen.fr/~dtschump/greycstoration/index.html


-- 
With respect
Alexander Rabtchevich
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Re: [Gimp-user] cartoon (card figure) from photo

2007-04-28 Thread saulgoode
I should add that the Greycstoration Plug-in will also work wonders in  
cartoonifying an image.

http://www.greyc.ensicaen.fr/~dtschump/greycstoration/index.html


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Re: [Gimp-user] cartoon (card figure) from photo

2007-04-28 Thread vt
2007 m. balandis 28 d., šeštadienis 18:59, 
[EMAIL PROTECTED] rašė:
> I would suggest keeping the two operations -- outlining and color
> smoothing -- as separate operations.

> http://www.imageox.com/image/46549-bush.png
Nice work.
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Re: [Gimp-user] cartoon (card figure) from photo

2007-04-28 Thread saulgoode
I would suggest keeping the two operations -- outlining and color  
smoothing -- as separate operations.

If you duplicate your layer and, on the top layer perform your edge  
detection, followed by a desaturation and color removal, you will be  
able to erase (or enhance, or de-emphasize) the outline as you desire.  
On the lower layer, try the Selective Gaussian Blur to smooth out the  
colored regions.

Using the above technique (crudely), I was able to produce the  
following transformation:

http://www.imageox.com/image/46549-bush.png

Quoting Daniel Nogradi <[EMAIL PROTECTED]>:

> What I would like to do is take a photo of someone's face and turn it
> into a cartoon, more precisely into figures that are on ordinary
> playing cards: Jack, Queen and King. The main feature of these figures
> are: clear sharp edges and uniform colors between edges. This last
> thing is the one that I'm not able to create from the photo. I tried
> all kinds of edge detecting algorithms but the end result was always
> 'photo-like' in the sense that the colors were not uniform but all
> kinds of pixels next to each other as is always the case with photos.
>
> Would it be possible to detect sharp edges with uniform colors between them?


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