An optical system gets accurate data using reflective markers and high resolution cameras.
Faster, with a higher resolution camera with video ability, voice control, and downloading support.
The lower resolution cameras have a resolution of 16m.
The only difference was the higher resolution camera (640x480) and 65536 colour display instead of 4096.
At that time only low resolution digital cameras were deemed affordable by some law enforcement agencies.
The general analysis strategy begins with high resolution cameras to look for features of interest.
This year they may meet that forecast because there is a migration to higher resolution cameras.
The Samsung Intensity 2 has the same basic features but with a different look and a higher resolution camera.
Rather than these interesting designs, I would say few high resolution cameras mounted strategically, to get the outside view will do the trick.
Sometimes the grainy quality of a low resolution camera is what he wants.