Dahua NVR41 series

User's Manual
198
This series NVR products support playback the AI by camera file only. AI by camera means
the connected camera does all the AI analytics, and then gives the results to the NVR.
4.7.1.1 Face Detection
You can search the detected faces and play back.
Step 1 Select
Main Menu
>
AI
>
AI Search
>
Face Detection
.
The
Face Detection
interface is displayed. See Figure 4-109.
Figure 4-109
Step 2 Select the channel, enter the start time and end time, and set for the gender, age,
glasses, beard, and mask. Click
Smart Search
. The results are displayed. See Figure
4-110.