[PD] Tracking color with GEM+Pdp

[William Brent]

I'm sure someone on the list will have a better solution, but what I
did to compile this was to throw it into Gem's src/Pixes directory,
then just make a clean build of Gem.



On Tue, Jun 22, 2010 at 12:46 PM, Olivier Baudu
<lamouraupeuple at gmail.com> wrote:
> Thank you Yves,
> Even if your [pdp_ctrack] seems to be more powerfull in my situation than
> [pdp_opencv_colorfilt], I've discovered Open CV library... great...
>
> Thank you too, William,
> [pix_colortrack] looks intersting but I'm in the same situation as Pedro...
> Whithout more informations in the "src" folder of this external's source, I
> realy don't know how to compile it...
> (But I confess that my knowledge in compilation is very poor...).
>
> 01vier.
>
>
> 2010/6/22 Pedro Lopes <pedro.lopes at ist.utl.pt>
>>
>> By the way: Does anyone have compiled binaries of that pix_colortrack
>> external? (linux 32 or win 32?)
>>
>> Best regards,
>> Pedro
>>
>> On Tue, Jun 22, 2010 at 6:32 AM, William Brent <william.brent at gmail.com>
>> wrote:
>>>
>>> Jaime Oliver did this color tracking extern a couple years ago:
>>>
>>> http://www.realidadvisual.org/jaimeoliver/research_colortrack.htm
>>>
>>>
>>>
>>>
>>> On Mon, Jun 21, 2010 at 9:51 AM, Olivier Baudu <lamouraupeuple at gmail.com>
>>> wrote:
>>> > Hi,
>>> >
>>> > I would like to track different colors at the same time with my web cam
>>> > so
>>> > I've try different way.
>>> > I begun in GEM with [pix_movement] and/or [pix_alpha] and/or
>>> > [pix_background]. It was quite good until I wanted only one tracking.
>>> > With two, it begun more complicate to configure [pix_alpha] in RGBA to
>>> > dissociate the spots.
>>> > So, I've tried [pdp_ctrack] which is very powerful but in some
>>> > situations it
>>> > would be better to process only with moving pixel.
>>> >
>>> > I thought [pix_2pdp] would be the solution to use [pix_movement] before
>>> > [pdp_ctrack] but it seem not to work with [pix_video] in RGBA
>>> > colorspace,
>>> > and in YUV I loose the color information after the [pix_movement]
>>> > process...
>>> > (By the way, I can't have simultaneously my webcam in GEM and in Pdp
>>> > with
>>> > [pix_2pdp], but, maybe, it's normal)
>>> >
>>> > What can I do ?
>>> >
>>> > Is there a [pix_movement] for Pdp I didn't find yet ?
>>> > Is there a way to chose precisely the color to configure [pix_alpha] ?
>>> > (maybe by converting the colorspace  with
>>> > [pix_rgb2hsv] but what to do after ?).
>>> >
>>> > Of course, if you have a solution for tracking color without answering
>>> > my
>>> > questions, I'm still interested. :-p
>>> >
>>> > Thanks.
>>> >
>>> > 01ivier
>>> >
>>> >
>>> >
>>> > _______________________________________________
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>>> >
>>> >
>>>
>>>
>>>
>>> --
>>> William Brent
>>> www.williambrent.com
>>>
>>> “Great minds flock together”
>>> Conflations: conversational idiom for the 21st century
>>>
>>> www.conflations.com
>>>
>>> _______________________________________________
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>>> http://lists.puredata.info/listinfo/pd-list
>>
>>
>>
>> --
>> Pedro Lopes
>> contacto: jazz at radiozero.pt
>> website: http://web.ist.utl.pt/Pedro.Lopes
>
>
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-- 
William Brent
www.williambrent.com

“Great minds flock together”
Conflations: conversational idiom for the 21st century

www.conflations.com