Adjustments Of Image Regions - Bosch AVIOTEC 8000i IR User Manual

44 en | Adjustment of detection settings
Smoke
Flames
Smoke
The default setting of the smoke size is 1.6% of the picture width.
Verification time [s] of the smoke detection can be set from 4 to 30 seconds. The default
value is 10 seconds. Small values cause faster detection (higher risk of false alarms), larger
values decrease false alarms.
7.2

Adjustments of image regions

As described in the algorithm chapter the image is splitted in 20 x 12 grids. Each grid cell
can individually trigger an alarm.
Take care, that masking will deactivate a complete grid cell if the mask is >50% of the cell.
The mask will not be applied on the cell, if it is <50%.
Add mask
You can define individual areas (16 in total) in which the detection can be deactivated or
modified. These masks can easily be added to the picture area.
To add a mask, perform the following steps:
1.
2023.10 | 02 | F.01U.414.168
Sensitivity
low
If a higher robustnes
against false alarms
is needed.
If a higher robustnes
against false alarms
is needed.
Click on the button Add mask.
A rectangle will appear in the middle of the picture area.
In Properties you can select the following options:
Ignore flames
The detection of flames are disabled in the mask. This is shown by a crossed out flame
icon at the bottom right-hand corner.
Ignore smoke
The detection of smoke are disabled in the mask. This is shown by a crossed out smoke
icon at the bottom right-hand corner.
Ignore flames and smoke
The detection of flames and smoke are disabled in the mask. This is shown by a
crossed out smoke and a crossed out flame icon at the bottom right-hand corner.
Verification time smoke
The following settings (in seconds) are possible to assign an individual verification time
mid
Default setting
Default setting
User manual
AVIOTEC 8000i IR
high
If no moving objects
are expected.
If no moving objects
and no blinking
lights are expected.
Bosch Sicherheitssysteme GmbH