[PD] OT: video camera for detection

Alexandre Quessy listes at sourcelibre.com
Thu Jan 3 08:14:01 CET 2008


Hi all,
Thanks for the tips, Chris and Ben.

2007/12/21, chris clepper <cgclepper at gmail.com>:
> Don't expect a great image compared to a DV camera since the security ones
> have none of the DSP for edge enhancement, skin tone smoothing and so on (a
> lot goes on in those things).  Using a model with S-video output will reduce
> the color artifacts.

I think that skin tone smoothing is possible using shaders. (
http://www.cycling74.com/forums/index.php?rid=0&S=322adce409a72e135b36d131a326d4ac&t=msg&th=28233
) I think such smoothing is temporal, right ? Anyone has a example of
such image enhancement ?

Thanks !

-- 
Alexandre Quessy
http://alexandre.quessy.net
http://www.puredata.info/Members/aalex


>
>
> On Dec 21, 2007 3:52 PM, Alexandre Quessy <listes at sourcelibre.com> wrote:
> >
> > Hi,
> > I am shopping for a camera or an installation. :)
> >
> > Detection (pix_blob, etc.) requires a camera with a pretty high
> > resolution, and I also need to be able to disable auto gain control
> > (AGC) and auto iris control (AIC). I guess disabling the auto white
> > balance is a good idea too. I looked at matco.com, which has pretty
> > afordable cameras. Their SX-920C-HR looks pretty good. It has 480 TV
> > lines, which gives more than 720x480 pixels. See
> > http://matco.com/pro-camera-1.htm and click on "Technical
> details"
> > under that part number to see the little datasheet.
> >
> > I am afraid I cannot disable AGC, though at least I can use a lens
> > which has no auto iris. Is that correct ? Do you guys think there is a
> > way I can disable that auto iris control ? Otherwise, anyone has a
> > camera to suggest ? Thanks a lot !
> >
> >
> > --
> > Alexandre Quessy
> > http://alexandre.quessy.net
> > http://www.puredata.info/Members/aalex
> >
> > _______________________________________________
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>
>




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