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7.3.4
Intelligent
1. Face
Face snapshot configuration includes the configuration of face detection, face detection threshold, filter by object
size (px), and other parameters. Proper parameter configuration is conducive to face detection and match.
(1)
Choose
Setup
>
Intelligent
>
Face
and click the
Face
tab.
Figure 7-36
Face Snapshot Configuration Interface
(2)
Set parameters by referring to the table below.
Intelligent analysis is enabled on the system by default. To modify parameters on the interface, click
Stop
Intelligent Analysis
to stop intelligent analysis and then set parameters.
Table 7-18
Parameter Description
Pane
Parameter
Description
Face
Detection Area
Click
Full Screen
, indicating that the full-screen face photo will be detected.
Click
Specified Area
, indicating that face photo of a specified area will be
detected.
Max. Same Thumbnail
Images
The configuration is not supported.
Min. Pupillary Distance
(px)/ Max. Pupillary
Distance (px)
You can draw the pupillary distances by using the mouse in the live view on the
right side of the interface. A photo will be collected when the quantity of
pupillary distance pixels is within these two preset values.
The value range is 20 px to 650 px.
Face Ovelay
The configuration is not supported.
Liveness Detection
Click
On
to enable the liveness detection function.
Liveness detection can effectively prevent video and photo counterfeits. It is
ensabled by default.
Live Detection Level
There are three liveness detection levels:
High
,
Medium
, and
Low
. A higher
liveness detection level indicates a higher accuracy that non-real people can be
detected. The default value is
Low
.
Face Detection
Threshold
Snapshot Quality
Threshold
Threshold for 1:N match on face snapshots.
When the face match similarity reaches the preset similarity threshold, the
match is successful.