VIVOTEK
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
The pixels thus calculated are listed at the lower screen on a
depending on the frame size you configure
for each video stream.
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Pixel Calculator
User's Manual - 59
