DS-2CD2D21G0/M-D/NF User Manual
UM DS-2CD2D21G0/M-D/NF 020319NA
110
•
Min. Size
: The minimum size of a valid target. Targets with smaller sizes would not trigger detection.
7.
Select the direction for line crossing detection, you can select the directions as
A<->B
,
A ->B
, and
B->A
.
•
A<->B
: An object going across the plane in either direction will be detected and trigger an alarm.
•
A->B
: Only objects crossing the configured line from the A side to the B side will be detected.
•
B->A
: Only objects crossing the configured line from the B side to the A side will be detected.
8.
Click
Stop Drawing
when finish drawing.
9.
Drag the slider to set the sensitivity value.
•
Sensitivity
: Range [1-100]. It stands for the percentage of the body part of an acceptable target that goes across
the pre-defined line.
Sensitivity = 100 – S
1
/S
T
*100
S
1
stands for the target body part that goes across the pre-defined line. S
T
stands for the complete target body.
EXAMPLE:
If you set the value as 60, the action will be counted as a line crossing action only when 40 percent
or more of the body part crosses the line.
NOTE:
The detection sensitivity is supported only by certain models. Refer to your actual display for details.
10.
Repeat the above steps to configure other lines. Up to four lines can be set. You can click the
Clear
button to clear all
pre-defined lines.
11.
Click the
Arming Schedule
to set the arming schedule.
12.
Select the linkage methods for line crossing detection, including
Notify Surveillance Center
,
Send Email
,
Upload to
FTP/Memory Card/NAS
,
Trigger Channel
, and
Trigger Alarm Output
.
13.
Click
Save
to save the settings.
Configuring Region Entrance Detection
Purpose:
The Region Entrance Detection function detects people, vehicles, or other objects that enter a pre-defined virtual region,
and certain actions can be taken when an alarm is triggered.
1.
Enter the Region Entrance Detection settings interface,
Configuration > Event > Smart Event > Region Entrance
Detection
.
Summary of Contents for DS-2CD2D21G0/M-D/NF
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Page 8: ...DS 2CD2D21G0 M D NF User Manual UM DS 2CD2D21G0 M D NF 020319NA 7 Appendix 156 ...
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