Dahua Technology DH-XVR7208A-4KL-I, Manual

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User’s Manual
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And then click to start playing back the recorded detected face snapshots.
Double-click on the playing page to switch between full screen playing and thumbnail
playing.
You can also do the following operations to the recorded files.

To export the database file (.csv) to the external storage device, select files, click Export,
and then select the save path.

To back up the recorded files to the external storage device, select files, click Backup,
select the save path and file type, and then click Start.
Backup

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 Tag.
5.11.3.4 Face Recognition (For XVR7X-I series only)
Face recognition applies to AI preview mode and smart search.

AI preview mode: Supports comparing the detected faces with the face database, and display the
comparison results.

Smart search: Supports faces searching by faces attributes or portraits.

If you select AI by device, then among face detection and recognition, IVS function, you can use
one of them at the same time for the same channel.

Before enabling face recognition function for a channel, the face detection must be enabled first
for this channel.
5.11.3.4.1 Face Database Management
You should create a face database for comparing the detected faces and the faces in the database. The
Device supports creating maximum 20 databases and registering 100,000 faces.