Vivotek FE8191 - Pixel Calculator

VIVOTEK
User's Manual - 71
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 t 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.
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Pixel Calculator
Pixel Calculator
The pixels thus calculated are listed at
the lower screen on a per-stream basis
depending on the frame size you congured
for each video stream.