HIKVISION DC-2CD20 Series User Manual page 89

1. Check the checkbox of Camera Calibration to enable this function.
2. 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 (Horizontal) / (Vertical)
to draw a horizontal/vertical line in the live view, 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.
Notes:

Click Delete to delete the drawn lines.

If the live view is stopped, the camera calibration will not function.
3. Click Save to save the settings.
 Shield Region
The shield region allows you to set the specific region in which the behavior analysis
will not function. Up to 4 shield regions are supported.
Steps:
User Manual of Network Camera
Figure 6-57 Draw on Live View Window
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