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Configuration of camera and surrounding area
1. Auto-focusing function should not be enabled for line crossing detection.
2. Avoid the scenes with many trees or the scenes with various light changes (like
many flashing headlights). The ambient brightness of the scenes shouldn’t be too low.
3. Cameras should be mounted at a height of 2.8 meters or above.
4. Keep the mounting angle of the camera at about 45°.
5. The detected objects should not be less than 1% of the entire image and the largest
sizes of the detected objects should not be more than 1/8 of the entire image.
6. Make sure cameras can view objects for at least 2 seconds in the detected area for
accurate detection.
7. Adequate light and clear scenery are crucial for line crossing detection.
5.5.4 Intrusion Detection Settings
Intrusion
: Alarms will be triggered if the target intrudes and loiters in the pre-defined
areas.
Go to Config
Event
Intrusion interface as shown below.
1. Enable intrusion detection and select the snapshot type and the detection target.
2. Set the alarm holding time.
3. Set alarm trigger options. The setup steps are the same as alarm in (sensor alarm)
detection. Please refer to
chapter for details.
4. Click the “Save” button to save the settings.
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