[PD] Tracking color with GEM+Pdp

Pedro Lopes pedro.lopes at ist.utl.pt
Tue Jun 22 20:23:31 CEST 2010


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”
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>
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>
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-- 
Pedro Lopes
contacto: jazz at radiozero.pt
website: http://web.ist.utl.pt/Pedro.Lopes
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