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 Post subject: Fake a painting.
PostPosted: Wed Sep 21, 2011 4:23 am  (#1) 
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ref: http://www.fontplay.com/freephotos/seve ... 107-12.jpg

step one:

Attachment:
lkstencil.png
lkstencil.png [ 132.98 KiB | Viewed 10364 times ]


step two:

Attachment:
fake_smudge.png
fake_smudge.png [ 263.77 KiB | Viewed 10364 times ]


step three (note the layer property/blend in the animation:

Attachment:
layerp.gif
layerp.gif [ 85.76 KiB | Viewed 10277 times ]

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 4:25 am  (#2) 
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Continued:

Step 4:

Attachment:
Kuwahara.png
Kuwahara.png [ 194.83 KiB | Viewed 10360 times ]


Result (after texture blending):

Attachment:
fp012107-12.jpg
fp012107-12.jpg [ 367.15 KiB | Viewed 10360 times ]


As a side note, I like the result that I posted here better. :)

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 5:20 am  (#3) 
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Fantastic Lyle, it would deserve its own filter named after you :)
I'll try to do something in this way today, maybe I'll ask you some additional questions to get the job done !


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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 5:30 am  (#4) 
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Thanks David, but it's really just blending presets that already exists in G'MIC's repertoire; I tried to do it all in G'MIC, but still needed the blending step but even that could be done in G'MIC itself if you have better no how then me. :)

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 5:49 am  (#5) 
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That is awesome Lyle. :)

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 7:16 am  (#6) 
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Hy Lyle,
I'm very interested by the whole process, and think I can write a simple G'MIC pipeline to make it automatic. Could you write a kind of tutorial with the descriptions of the exact steps you used ? Particularly, I'm not sure about the layer blending modes and opacity you use, and on which layer you apply the Kuwahara filter (is it on a flattened image) ?
Also, could you provide the final canvas texture, and tell more about how you blend the image with it (which blending mode / opacity) ?
Thanks, I think your particular pipeline deserves to appear as a 'Lyle Painting' filter ! :)


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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 7:28 am  (#7) 
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Here is one of my attempts to follow your steps.

Image

Pretty nice hu ? :jumpclap


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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 7:38 am  (#8) 
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@Ronounours
yes ljleyk process seems very interesting and the your example of the new filter looks very cool

But ... about kuwahara & artistic filters, i posted long ago the examples you required[u], and i still waiting for a answer, i may hope for your help ?

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 10:38 am  (#9) 
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Very cool, Lyle. I took the liberty of slowing down the layer animation image you posted. It was too fast for me to read the layer modes.

Scaled original image.
Image

My results.
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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 11:19 am  (#10) 
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Sweet, Lyle! Now you can stop beating yourself up for being a filter guy. You rock!

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 11:25 am  (#11) 
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Hey David; the flow is as simple as outlined (the animation stunk; not sure why this site plays it so fast; lol). Like your result too. Thanks for all the replies as well. Very good result O. Man, I like G'MIC; so many ways to do things just inside it. The texture blending I didn't outline, but what I did was copy my flattened result after the Kuwahara step and used it as a mask for the texture that I applied (actually inverted it since I mainly wanted to get the darks the texture and not so much the lights. Also, with a copy of the same texture I set to darken and reduced the opacity way down to taste (wanted some texture on the lights too but no as much as I wanted to on the darks). My secret now revealed. lol

You also just ninja'd me Mahvin and thanks too. :ninja

:)

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 11:33 am  (#12) 
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Nice effect, Lyle. Gives somewhat of an impressionistic look to the image.

It reminds me a little of inkwash variation effect in this thread

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 11:34 am  (#13) 
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Hi Lyle, I took some time to try coding the G'MIC filter that would correspond to your proposed pipeline. This is probably far from perfect, but at least it is working ! You should be able to find it in 'Artistic / Lylejk painting', after a filter update, in G'MIC 1.5.0.2+. Let me know if it is working well for you !
Below is an example of what I get by using this (automatic) filter :
Image

Enjoy :)

By the way PhotoComiX, I need to answer a lot of questions, and I will, but please let me some time :hehe


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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 11:37 am  (#14) 
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Works for me, David. But I haven't played with the settings, yet.

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 11:44 am  (#15) 
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Somehow missed that thread Tux; like those results.

To David; some controls that would be cool to control are an option for texture or not, and, w.r.t. to the Kuwahara step, retain sliders for radius and repeat since some play here I found may be necessary for the end result. Still cool to have the whole process automated now. You know how much I like making the computer do all the work (since I'm lazy). lol

:)

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 12:46 pm  (#16) 
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One more. I also used Filters > Artistic > Apply Canvas with a depth of 2. David's image has canvas, and I like that addition.

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 12:55 pm  (#17) 
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I tried the twins but I think that flowers work better.
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Last edited by molly on Wed Sep 21, 2011 1:04 pm, edited 1 time in total.

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 1:00 pm  (#18) 
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Molly, try adding a glow to the twins before running the fake painting effect. I think you'll be more impressed.

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 1:03 pm  (#19) 
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where do I find that Mahv?

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 Post subject: Re: Fake a painting.
PostPosted: Wed Sep 21, 2011 1:34 pm  (#20) 
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Similar to a vignette, but diminishing the background around the twins. The background is too busy to allow the twins to stand out. Saulgoode gave an example of using drop shadow for glow, but instead of using a white drop shadow to brighten the twins, use it as a mask to diminish the background instead. Then run the fake painting filter. I can't show you using your own image because you only have the "after" result. I'd need the original image to help clarify what I mean.

With background:
Image

Without background:
Image

I guess it really boils down to the eye of the beholder. :/

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