Dahua Technology IVSS, User Manual

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User's Manual
96
Parameter Description
Remove Duplicate
Faces
When the captured face image is found in the passerby database, and the
quality is higher than that of the one in the database, the system replaces
the face image in the database. A successful comparison of the captured
image against the database will not be reported.
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Always: Always remove duplicate face images.
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By Interval: Remove duplicate face images by interval to control
comparison pressure.
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By Duration: Within the defined time period, if a captured face image
is found in the passerby database, the system replaces the image in
the database with the new one.
Related Operations
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View face database details and status.
Figure 6-50 Face database
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1: Face database name. To modify, click .
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2: Number of face images in the face database.
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3: Number of face images that failed to abstract. For details about face abstracting, see
"6.3.3.4.5 Human Face Abstract".
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4: Face recognition devices associated to this face database.
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To manage face images, double-click the face database.
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To arm the face database, see "6.3.3.5 Configuring Face Recognition (by Device)".
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To delete face databases:
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One by one: Click .
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In batches: Hover over the face database, and then select the database by clicking . After
selecting multiple databases, click .
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Delete all: Select All, and then click .
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To clear a face database, select the face database, and then click Clear.
6.3.3.4.5 Human Face Abstract
The human face abstracting is to abstract the corresponding information of the face image and
import to the database. After that, device can compare human face, and search for human face.
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The greater the face image quantity is, the longer the face abstracting time it takes.