VIVOTEK
User's Manual - 73
Pixel Calculator
Click the
Add
button at the lower screen to create a pixel calculator window. Place your cursor on
the window to move it to an area of your interest, and change the size of window to fit the area of
interest.
Once they are drawn, the numbers of pixels on the sides of windows will appear. This allows you to
calculate if your current configuration fulfills a requirement, for instance, for recognizing the faces
of persons passing through a location. A facial recognition usually requires around 130 pixels per
meter or higher.
Pixel Calculator
1
2
The pixels thus calculated are listed
at the lower screen on a per-stream
basis depending on the frame size you
configured for each video stream.
