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1. Choose the channel, and then click Line Crossing to enter line crossing detection setting mode.
2. Add checkbox next to “Enable”.
3. Select Rule Setting, to set the rule of line crossing detection, the specific steps are shown as below:
a. In the "Rules" drop-down list, select rules as needed.
NOTE: Line crossing detection can set 4 rules.
b. Set the Time Threshold (Seconds) and sensitivity of the rule.
Sensitivity: It is used to set the size of the control target object. The higher the sensitivity, the
easier the object is judged to be the target object. The lower the sensitivity, the larger the object
will be judged as the target object. The sensitivity can be set in the range of 0 to 100.
Direction: There are three options: "A <-> B (bidirectional)", "A-> B", "B-> A", which refers to the
direction in which an object passes through the warning area to trigger an alarm.
“A<->B” (Bidirectional) Indicates that the alarm is triggered in both directions.
"A->B" Indicates that the object will trigger an alarm when it crosses from A to B.
"B->A" Indicates that the object will trigger an alarm when it crosses from B to A.
c. Click Draw A Line, and then move the mouse to the preview screen and click the left mouse
button in sequence to draw the two endpoints of the warning line.
NOTE: Modify the drawn warning line through the Clear All and Draw A Line.
4. Expand "Processing Method", and then set alarm linkage as required (Buzzer Alarm, E-mail Notification,
Channel Recording and Trigger Alarm Output).
5. Click "Apply" to save the settings.
Figure 7-56
7.5.3 Regional Intrusion
In the main interface, click Configuration → System → Smart Event → Regional Intrusion to enter the regional
intrusion detection setting interface, Figure 7-57. Here you could set the alarm for regional intrusion detection.
The regional intrusion function detects whether an object in the video enters the set area, and then conducts a
linkage alarm based on the result.
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