User Manual

Thermal Network Bullet Camera User Manual
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be more accurate if the camera calibration is configured.
Steps:
1. Enter Configuration > VCA > Camera Calibration.
2. Check the checkbox of Camera Calibration to enable this function.
3. Select the calibration mode as Input Basic Data or Draw on Live View Video.
Input Basic Data: Input the mounting height, viewing angle, and horizon
ratio of the camera manually.
Draw on Live View Video: Click Draw Verification Line (Vertical) to draw
a vertical line on the live video, and input the actual length in Real Length
field. With the drawn reference lines and their real length, the camera can
conclude other objects appear in the live view.
Note:
Set 4 to 8 valid calibration lines for the camera. See figure below, 4 vertical
lines are recommended. Make sure you separate the vertical lines at the left,
middle and right of the image respectively. You can calibrate it with 4 persons
standing in the view (knowing their heights), or with only one person standing
in four different positions within the view.