User's Manual

Table Of Contents
User’s Manual
174
Table 5-20 Description of stereo analysis parameters
Parameter
Description
Sensitivity
Set the alarm-triggered sensitivity. The higher the sensitivity is, the easier
the alarm will be triggered.
Alarm People
Amount
When configuring People No. Error, set the alarm people amount and alarm
type. Alarm type includes Greater than, Equal to, Less than, and Unequal
to.
When the real-time number of people in the detection area is greater than,
equal to, less than, or unequal to Alarm People Amount, the alarm is
triggered.
Alarm Type
Duration
For People Approaching Detection, when the time for people
approaching reaches the configured value, the alarm is triggered.
For Fall Detection, when the time of people falling down on the ground
reaches the configured value, the alarm is triggered.
For People No. Error, when the number of people in the area reaches
the configured value of alarm people amount and alarm type, and the
time reaches the configured value, the alarm is triggered.
Close-up
Mode
For people No. error function for a recording device, select Tracking
Mode as Close-up Mode. Then the camera traces the teacher’s
walking trajectory. You can view the tracking effect through sub stream
1 of the live interface. When the number of people on the image is not 1,
the full screen is displayed.
When setting the stand detection function for a recording device, select
Fixed Mode as Close-up Mode. Then sub stream 1 enlarges and
displays the image of standing people. When the number of standing
people is not 1, the full screen is displayed.
Before viewing the tracking or enlargement effect through sub stream 1,
ensure that sub stream 1 is enabled and the resolution of the main stream
and sub stream is 1080p. For configuration details of the main and sub
streams, see "4.5.2.1 Video."
Repeat Alarm
Time
After the alarm is triggered, if the status lasts for the configured time in
Repeat Alarm Time, the alarm will be triggered again.
0 indicates that the function is disabled.
Strand Time
Threshold
When configuring Strand Detection, you need to set the strand time
threshold. When people in the area stay longer than the configured strand
time threshold, the alarm is triggered.
Set arming periods and alarm linkage actions. For details, see "5.1.1 Alarm Linkage." Step 5
Click Save. Step 6
Select Setting > Event > Stereo Analysis > Calibration Config to finish
calibration configuration for other devices, and then the detection rule becomes
valid. For details, see "5.14.2 Calibration Configuration."