It’s again time for a video by Joseph. He has explored a way to let photographies look like sketches.
And this was his starting point:
I then try to explain what’s happening behind the scenes and present one of the images of the meetthegimp.org photogroup at 23hq.com.
Joseph used music from ccmixter (“Ana (hisboyelroy_s_smooth_dub)” by hisboyelroy) during his video.
Do you like music under the voice? Shall I do that too? Write me a mail or comment here!
If you want to download Joseph’s file, go to the download page.
The TOC
00:23 Welcome
00:54 Sketch effect by Joseph
01:10 – Blur layer and invert
02:34 – Merge layers and adjust contrast using levels
04:00 – Create a border
07:14 – Gimp.org tutorials
07:50 Rolf explains how it works
09:00 – Blur a layer to do edge detection
12:00 – Using levels to define the edges
13:15 Request for help
14:32 Commenting on a viewer’s photo
19:29 The End
TOC made by paynekj
Contact me!
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Episode 27 – Sketching says go to downloads page for files.
Last one currently available appears to be for episode 26 (as at: 2008-01-08 16:05:56 EST)
?
I just fixed that. Thanks for pointing to that error.
When the show started, I thought for a moment that I was looking at the previous one: the intro mentioned episode 26, 1st of January. But now I am niggling.
In fact, this was a very nice show. Kudos to Joseph. He demonstrated the principal of edge detection and the unsharp mask: comparing an image with its blurred one. Just put the merged gray layer in overlay or soft light (due to a bug in GIMP, these blending modes are identical), et voilà, the original image is sharpened!
As far as I am concerned, there is no need for music while speaking. But well, that is just my humble opinion.
Thanks again for this instructive show, Serge
The photocopy filter also makes similar results that are nice.
Example:
http://flickr.com/photos/flipplenicker/2171540923/
Arrrghhh! I’ll change the title this afternoon.
Another fine show, thanks Rolf. I agree with Serge that there is no need for background music while you’re speaking. In fact, I would think it could be distracting and counter-productive.
A great show. I always love to learn exactly how GIMP does what it does. All throughout the show, though, I was thinking “I’ve been doing much the same thing with Edge Detect”, but I suppose that Edge Detect is just an automated way of doing what Joseph was doing.
One tip that I thought was useful that Joseph didn’t mention: another way to get rid of colors in a layer is to put a black layer over your color layer and change the blending mode to “Color”.
Thanks for the great podcast,
–Benton
I think there there are more ways to do any task in GIMP than I can make shows.
But I’ll do a show about B&W conversion.
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