Re: [SLUG] video cameras

[Danny Yee <danny@nospam.anatomy.usyd.edu.au>]

Jamie Honan wrote:
> Probably best to separate cameras from capture devices. Cameras
> that can produce video signal / capture devices take video signals.
 
Terry Collins wrote:
> The axis box is the only thing I know of that is directly networked.
> Great if you want minimal hardware in an exposed situation (Yep, I can
> sell it). (Note power requirements)
 
It's not exposed, but it just seems nicer to me having a small device
plugged into a network, rather than having to buy a separate computer as
the capture device...  (We can use an existing server to hold the data.)

> The problem with the cheap Jaycar, et al sugar cube cameras is light
> levels as you have to provide some irising, either through software
> (haven't found any yet), or manually adjust.
 
> However, you mention IR and night time, so I gather you are planning
> to IR light the area, which should fix the problem of your camera
> having to respond to different light (it wont need to if it is in an
> enclosed area). 
 
Not IR - low-light and night-time.  (But using IR might be an option,
if it doesn't change the behaviour of the animals.)

> If you want to do the separate camera and computer, you need 486+ with
> PCI slot. I, Everything Linux and Len Chan can sell you capture cards.
> I've put sugar cubes 10M away from capture card with no problems (Suse
> stand at Linux Expo 2000 - well Len did, but I made the cables up
> {:-).  CPU depends on how many frames per second.
 
That might be the way to go, I'll check out all the pointers for places
to buy cameras.

Danny.

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