Dahua HCVR5104C User Manual page 442

The face detection function is optional. The intelligence function and the
human face detection cannot be valid at the same time!
Note
The face detection function is valid once your network camera or your DVR supports

this function.
If your purchased DVR supports the face detection function, it supports one analog

channel. It is not for the digital channel
The intelligence function and the face detection function cannot be valid at the same

time.
System can detect and filter the human face via analyzing the video. When it detects
the human face in the specified zone, it can draw the rectangle around the human face
and trigger record, snapshot, alarm operation and etc. See Figure 4- 155.
Channel: Select a channel you want to enable face detect function.

Alarm face number: Once the detected human face number reaches the threshold you

set here, system can generate an alarm.
Human face RO (region of interest): Check the box, system can highlight the human

face region.
Enable: Check the box here to enable face detect function.

For detailed setup information, please refer to chapter Step 6.
Figure 4- 155
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