Re: [Motion-user] Need grabbing card recommendation for motion

[Ryan K. <rk...@gm...>]

This is the one I got, works great in absolute darkness. I don't have any
pics handy right now but it far surpases the quality of any videocamera wit=
h
night shot. (way more led power here!) the led's are bright enough to give
off a fairly decent deep red glow in complete darkness even.

https://www2.stealthdigitalservice.com/catalog/product_info.php?products_id=
=3D81

(fair warning, 1.2ghz is not legal in the US, there is also a wired only
that looks similar)



On 10/12/05, Balazs Bezeczky <e98...@st...> wrote:
>
> >
> > Balazs Bezeczky wrote:
> >
> >> Hi all,
> >>
> >> I've been playing around with motion for quite a while now (with an
> axis 2100+ and a Phillips usb cam) and all in all I love it! But I'm not
> satisfied with the cameras: while in normal daylight use they work more o=
r
> less perfect, but as soon as it gets dark, they don't detect anything* - =
or,
> when I set the threshold low enough they detect noise very often as motio=
n
> (even with noise_tune on). I've been playing around with IR-lights like
> this:
> >>
> http://www.conrad.at/scripts/wgate/ZCOP_AT/!?perform_special_action=3DPro=
duktdetail&product_show_id=3D114995&p_page_to_display=3Dfromoutside
> >>
> >> but I guess the cams are not built for these kind of requirements (tel=
l
> me if I'm wrong!). I know, the other solution is to install motion sensit=
ive
> lamps and those'd turn the lights on but I prefer to stay "undetected"..:=
)
> >>
> >
> > Most modern digital cams (and most cams for that matter) have IR-filter=
s
> that keep you from doing that very thing. Not sure why this is--perhaps
> either privacy, marketting, or image-quality. I would recommend getting
> cameras that specifically allow IR viewing. Also, you may want to conside=
r
> finding a cam that either can support a CS-type lens and a DC Iris. The
> iris, of course, can improve image quality under low-light conditions. Th=
e
> aforementioned technology does not come cheaply. Check out the following
> cameras, they are a good start.
> >
> > Axis (expensive!)
> > http://www.axis.com/products/cam_221/index.htm
> >
> > Trendnet (~$300-400 US)
> > http://www.trendnet.com/products/TV-IP300.htm
> >
> > Look at the Axis 221 (Day/Night camera) I have setup near my office, at
> night (CST, US btw) -- http://www4.utsouthwestern.edu/ac-sp-pob/image.jpg
> > Its night-time settings are a bit off currently, as my boss fiddled wit=
h
> the settings.. :( This cam and its case cost ~ $1200 US.
> >
> > Hth,
> > Peter
> >
>
> thanks for the links! I think I will give the grabber cards a try, as
> I've seen most ccd chip equipped cams (esp. the b/w ones) work great
> with an IR lamp.
> I'm not really satisfied with the axis 2100 in regard of the motion
> detection. maybe I still have to play with the options. for now I have
> these:
>
> framerate 50 (not sure whether this works for a netcam?)
> threshold 800
> noise_level 20
> noise_tune on
> night_compensate yes
> post_capture 5
> lightswitch yes
> gap 60
> minimum_gap 0
>
> but during daytime nearly no motion is registered, it's only sensitive
> to lightswitch changes (which shouldn't be..)
>
> to be honest, I'm stuck with version 3.1.4, but as soon as I have my new
> server I'll upgrade
>
> can anybody of the axis users post his/her configs?
>
> thanks and cheers,
> Balazs
>
>
>
>
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