Technovision PDVR-E8W1N2-AI Quick Start Manual And Manual page 228

To lock the files to make it unable to be overwritten, select the files, and then click
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Lock.
To add a mark to the file, select the files and then click Add Tag.
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5.11.2.4 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 library, and display
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the comparison results.
Smart search: Supports faces searching by faces attributes or portraits.
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If you select AI by device, then among face detection and recognition, IVS function, you
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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
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enabled first for this channel.
5.11.2.4.1 Face Library Management
You should create a face library for comparing the detected faces and the faces in the library.
The Device supports creating maximum 20 libraries and registering 100,000 faces.
Creating a Face Library
Step 1 Select Main Menu > AI > Database > Face Database Config.
The Face Database Config interface is displayed.
Figure 5-203
Local Configurations 212