Dahua DH-XVR5104HS-4KL-I3 User Manual page 247

1) Click Face Database.
2) Set the searching parameters by selecting the face database and gender, and entering
name and ID No. according to your actual requirement.
3) Click Search to display the results that satisfy the requirement.
Click Reset to clear the searching parameters.
4) Select the picture and then click Save.
Local Upload

Face database
Search by picture
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User's Manual