VIVOTEK
84 - User's Manual
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 conguration fullls 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
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The pixels thus calculated are listed
at the lower screen on a per-stream
basis depending on the frame size you
congured for each video stream.
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