Dahua NVR4832-I, User Manual

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Local Basic Operations 123
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When system is playing back the record file, click the number button at the front panel,
system begins playing the record file of selected channel dated the same time.
4.7 AI
4.7.1 AI Search
You can search the record file on the NVR and filter the record file meets the corresponding rule.
It is suitable for you to play the specified file.
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It supports playback the AI by camera file, for some series products that support AI by NVR
function, you can analyze and synopsize the record file again.
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AI by Camera: This option requires certain AI cameras. The 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 > SMART SEARCH > FACE DETECTION .
The FACE DETECTION interface is displayed. See Figure 4-104.
Figure 4-104
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
4-105.
For privacy reason, the human face in the image is pixelated . The actual image is clear.