VIVOTEK

Pixel calculator

Advanced Mode

Click the Add button at the lower screen to create a pixel calculation 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 of the sides of windows will appear. This allows you to calculate if your current configuration fulfills a requirement, for instance, 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 is listed at the lower screen on a per-stream basis

depending on the frame size you configure

for each video stream.

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Pixel Calculator

66 - User's Manual

Page 66
Image 66
Vivotek SF8172 user manual Pixel calculator