Dahua NVR52-4KS2 Series User Manual page 251

5.9.4.2 Configuring Face Detection
Configure alarm rules for face detection.
Procedure
Select Main Menu > AI > Parameters > Face Detection.
Step 1
Step 2 Select a channel, and then select AI by Reorder or AI by Camera as Type.
When AI by Camera is selected, you can enable Face Enhancement to improve face
detection efficiency.
Step 3 Click
Step 4 Click Setting next to Rule to draw areas to filter the target.
You can configure two target filters (maximum size and minimum size). The system
triggers an alarm when the size of detected target is between the maximum size and the
minimum size.
Click Setting next to Schedule to configure the arming period.
Step 5
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 Table 5-50 .
Click Apply.
Step 7
5.9.4.3 AI Search (Face Detection)
You can search for the detected faces and play back related recordings.
Procedure
Select Main Menu > AI > AI Search > Face Detection.
Step 1
Figure 5-114 Face detection
to enable face detection.
to set the period.
235
User's Manual