Re: Newbie Question- debian & secuirty cameras
On Sun, 28 Jul 2002, Johan Ehnberg wrote:
> tripolar wrote:
> > I am a new to Debian ( just installed 3.0 on my toshiba laptop last night - sweet success)
> > Forgive my questions if they are off topic.
> > My Brother has a gas station/store with security cameras. He would like me to set it up so he can view video from store from a pc at home.
> > I have some ideas though I would appreciate any advice, ideas & tips. I do have an ulterior motive- By setting this up on a Linux Box and
> > showing him what we can do with Linux I hope to convert him to Linux from the M$ OS.
> > Thanks ahead of time
> > Suleyman
> >
>
> This should be totally possible. I have been involved in a similar
> project. I see the key points as:
i prefer that the video pic stream is NOT being recorded or at least in a
self contained loop...overwritting itself daily or something to minimize
wasted disk space
- the images can be saved/sent via email to the house if the
triggers have be set-off
- record and email the pic if the front door is opened
- record and email the pic if the cash register is opend
- record and email the pic if somebody pull up into the garage
to get gass etc
- ....
- ( just motion sensors ... X10 style or radio-shack style )
- get a camera with x-y positioning on its mounts so that the
camera angle can be changed from the remote html page is somebody
is baby sitting the camera images from home/security-office
- you can get "zoom" camera controls tooo but little more
expensive
- you can also get multiple-input camera pc-cards too...
c ya
alvin
> 1) Type of camera(+network)
> If he's cameras are old fashioned (normal TV signal or such) this might
> be tricky. Assuming it's not a non-standard signal, you'd need a TV
> tuner card, and somehow cap the picture. Haven't done this, so I can't
> help you.
> But if you are using digital cameras, this is quite easy. The ones we
> use(d) sent one picture every 1/X seconds. This picture could be
> automagically stored as avi, jpg, bmp... The software used was runnig on
> M$, though, and required a special card with X cables to the cameras.
>
> 2) Available computer hardware
> In addition to the above, you'd need a machine running 24/7, and a
> script to do the work for you. If you'll do vidcap, be ready to
> sacrifice those extra coins to get a better CPU and more RAM.
> Digital cameras also make this part less expensive. A simple script is
> sufficient.
>
> 3) Speed of connection between home - store
> This mainly sets the quality limit on what is being sent home. A modem
> is sufficient, but be warned: you'll either have slow refresh or low
> quality. I think that JPEG gives the best flexibility for this.
>
> 4) Required security on transmission
....
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