[Bug 128333] digikam automatic photographic tags

Posted by on Sep 11, 2007; 11:09pm
URL: http://digikam.185.s1.nabble.com/Digikam-devel-Bug-128333-New-digikam-automatic-photographic-tags-tp1700394p1700396.html

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http://bugs.kde.org/show_bug.cgi?id=128333         




------- Additional Comments From roger.larsson norran net  2007-09-12 00:09 -------
I thinking about something like this:
 1. Maybe convert to intensity greyscale image...
 2a. Run a edge detector on the image
 2b. Take absolute value of pixels
 3. Make a histogram of the result
 4. Compare histograms (top part)
 5. Show result as a "analog" meter in tumbnail overview
The highest scorer among similar pictures are probably
the one with best focus - focus on the wrong part of a
picture (like background) might result in erronous higher
scores. But those can probably easily be found
when viewed as thumbnail.
 6. Improve algorithm... (eye/face recognition)...
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