Face Recognition; Searching By Attributes - Dahua NVR41 Series User Manual

● To lock the files to make it unable to be overwritten, select the files, and then click
Lock.
● To add a mark to the file, select the files and then click Add Mark.
● Go to Face Properties and Person Details to view detailed information.

4.7.1.2 Face Recognition

System can search and compare the human face on the video with the face image on the
database, and playback the corresponding record file.
The AI search includes two ways: Search by attributes and search by image.
This function is for some series products only.

4.7.1.2.1 Searching by Attributes

Step 1 Select Main Menu > AI > AI Search > Face Recognition > Search by Attributes.
The Search by Attributes interface is displayed. See Figure 4-112.
Figure 4-111
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