Dahua DH-XVR5104HS-4KL-I3 User Manual page 243

5.11.2.4.3 Smart Search for Face Recognition
You can compare the detected faces with the face database and play back.
Search by attributes: Search the face database by the face attributes.
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Search by picture: Search the face database by uploading face pictures.
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Searching by Attributes
Select Main Menu > AI > AI Search > Face Recognition > Search by Attributes.
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