Ai Search (Face Detection) - Dahua NVR21-4KS3 Series User Manual

The system triggers corresponding alarm actions only during the arming period.
● On the time line, drag to set the period.
● You can also click
Step 6 Configure alarm linkage actions. For details, see Step7.
Step 7 Click Apply.

5.9.4.3 AI Search (Face Detection)

You can search for the detected faces and play back related recordings.
Procedure
Step 1 Select Main Menu > AI > AI Search > Face Detection.
Step 2 Select the channel, enter the start time and end time, and select the attributes.
Click Search.
Step 3
The results are displayed.
to set the period.
Figure 5-114 Face search
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User's Manual