[Shop-talk] outdoor low light "security" cameras

Marcus Pless mpless at ucsd.edu
Tue Jan 26 14:39:30 MST 2010


Thanks for the info Brian. It looks like the product I'm
leaning towards works as you've described. Once I verify
a few more details (and the vendor receives more stock)
I might actually be able to figure out exactly what's
going on around my garage at night.  ;-)

--Marcus


On 01/25/2010 07:11:17 PM, Brian Kemp wrote:
> Marcus - All my motion activated recording has been at the
> recorder/PC end.  The camera continuously sends what it sees
> and the software recorder detects change between frames to
> determine if the motion threshold is crossed.  It only writes
> to the file when change is detected.  Think of it like a software
> controlled pause button.  Look for the ability to have a time
> stamp on the image as you can't determine when the critters are
> active based on start/stop time of the recording if it is motion
> activated.
>
> As an example, it your motion activated recording has the camera
> pointing at a street, you might get 30 minutes of recording an hour
> at commute time, 10 minutes of recording per hour at mid-day, and
> no recording in the wee hours of the morning.
>
> You have several options to help control file size including setting
> the resolution and number of frames per time period.  Normal video
> is 30 frames per second, but for just identifying critters, you could
> cut that down to 1 frame per second and significantly reduce the file
> size. Motion would be jerky, but you would see the critters.
>
> If you have a product in mind, see if you can download the manual to
> read about the options available to you.
>
> I have a Swann camera (obsolete model) that is decent -
> http://www.swannsecurity.com/
> Q-See is also a brand that has been around at least a few years -
> http://www.q-see.com/
>
> Brian


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