[GEM-dev] Tracking a specific color

Max abonnements at revolwear.com
Fri May 25 01:36:22 CEST 2012


John Harrison posted on the Pd-list (not the Gem-dev-list) a nice approach in rgb. I've incorporated them in the updated patches:
http://www.uni-weimar.de/medien/wiki/Bewegungsmelder

m.

Am 24.05.2012 um 22:03 schrieb Matthias Kronlachner:

> hi!
> 
> use pix_rgb2hsv to convert to hsv colorspace.
> then use pix_curve with 3 different tables for hue, saturation and value to filter out the desired color.
> then convert back with pix_hsv2rgb.
> it's a little bit of experimenting with the curves...
> 
> matthias
> 
> Am 24.05.12 21:54, schrieb Alexandros Drymonitis:
>> Hi,
>> I'm trying to use some patches Max Neupert has published, to track motion. The patches use [pix_movement], [pix_background], [pix_blob] and other objects (not all of them in all the patches). I can track white for now fine, but can't really find out how to track green, for example (well, the actual color I want to track is greenish).
>> Any suggestions on how to do this?
>> 
>> 
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