Step 3 Click Ground to draw a rectangular box in the image.
Ground should be on the same plane and as big as possible for calibration.
Step 4 Click Save, and then the camera calculates its height above the ground and the angle it
forms with the ground.
If the height and angle are quite dierent from the actual situation, repeat
Step 2 –.
5.15.3 Zoom Calibration
When conguring People No. Error and Stand Detection rule, you need to congure the enlarging
zoom in the image of sub stream 1. When the number of people in the image is not 1, the global
image (sub stream 1) is displayed.
Prerequisites
You have set at least one rule in Setting > Event > Stereo Analysis > Stereo Analysis.
Zoom conguration is only available on recording & broadcasting devices.
Procedure
Step 1 Select Setting > Event > Stereo Analysis > Zoom Conguration.
Step 2 Congure the zoom.
●
Method 1: Click Calibration Area, and then draw a rectangular box in the image,
which is size of the enlarged image of sub stream 1.
●
Method 2: Set the zoom value. For example, if you want the target to be 1/5 of the
image, set the zoom value to 5.
●
When calibrating the zoom for Stand Detection, make sure that there is 1 person in the
image at least.
●
When calibrating the zoom for People No. Error, make the calibration box in the center
of the image, and the zoom value larger than 3. Some models only support calibration
by drawing calibration area.
Operation Manual
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