AUTODOME IP starlight 5100i
Alarm | en
55
Bosch Security Systems
User Manual
2020-11 | draft 0.9 |
i
Notice!
A camera calibration is required for all scenarios.
Using the scenarios will reset the VCA configuration to the scenario defaults.
All values (
Metadata Generation
and
Tasks
) can be edited after activating the scenario
defaults.
Delete tasks that do not fit your use cases.
Analysis type
Select the appropriate option for Video Content Analysis: or Essential Video
Analytics.
Note
: When you select another analysis type, a dialog box appears with the message,
“
Changing the analysis type resets motion and tamper parameters.
” Click
OK
to
acknowledge the message (and to switch analysis types), or click
Cancel
.
Alarm status
The alarm status is displayed here for information purposes. This means you can check the
effects of your settings immediately.
Tamper detection
Detect tampering of cameras and video cables by means of various options. Run a series of
tests at different times of the day and night to ensure that the video sensor is operating as
intended.
Sensitivity
and
Trigger delay [s]
can only be changed if
Reference check
is selected.
Reference check
Save a reference image that can be continuously compared with the current video image. If
the current video image in the marked areas differs from the reference image, an alarm is
triggered. This detects tampering that would otherwise not be detected, for example, if the
camera is turned.
1.
Click
Reference
to save the currently visible video image as a reference.
2.
Click
Add mask
and select the areas in the reference image that are to be ignored. Click
Set
to apply.
3.
Check the box
Reference check
to activate the on-going check. The stored reference
image is displayed in black and white below the current video image.
4.
Select the
Disappearing edges
or
Appearing edges
option to specify the reference check
once again.
Sensitivity
The basic sensitivity of the tamper detection can be adjusted for the environmental conditions
to which the camera is subject. The algorithm reacts to the differences between the reference
image and the current video image. The darker the observation area, the higher the value that
must be selected.
Trigger delay [s]
Set delayed alarm triggering here. The alarm is only triggered after a set time interval in
seconds has elapsed and then only if the triggering condition still exists. If the original
condition has been restored before this time interval elapses, the alarm is not triggered. This
avoids false alarms triggered by short-term changes, for example, cleaning activities in the
direct field of vision of the camera.
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