Operation Manual

IVA 4.0 IVA 4.0 | en 33
Bosch Security Systems Operating Manual DOC | 4.0 | 2009.06
Final Step - Define the Head Detection Conditions
In this step, you define whether an alarm should be triggered according to whether or not
detected objects have a head. This enables you to set the surveillance to focus on people or
exclude them completely.
These settings are described here: Section Final Step - Define the Head Detection Conditions,
page 29.
4.5.6 Following route
This task generates an alarm event if an object moves along a certain route. A route is
surrounded by a virtual tolerance area.
First Step - Define the Route
1. Select from the list field one of the routes that have already been created or click a route
in the camera image.
You can now also create a new route or edit an existing one.
2. Define the properties of the selected route.
– Min. match [%]
Enter a value in percent here. An object must have moved along the route for this
percentage of the total distance.
The value indicates the overall proportion of the route. An object must not necessarily
cover this percentage of a section in a single stage in order to trigger an alarm event.
– Max. gap [%]
Enter a value in percent here.
The value indicates the percentage of the largest gap in the total section.
If the object leaves the route for a section that corresponds to this percentage at the
least, no more alarm events will be triggered.
– Direction
Select whether an alarm should be triggered if the route is followed according to the
direction of the arrow in the graphic display (Forward), against this direction
(Backward) or independently of the direction (Any).
The display of the direction is adapted accordingly in the camera image.
Next Step - Approximation
You can impose approximations for the different object properties. You can adopt these
values as the basis for the settings in the next step.
These settings are described here: Section Next Step - Approximation, page 24.
NOTICE!
This task is typically used in the Archive Player program for forensic searching. For example,
persons who have taken a certain route are detected this way.
NOTICE!
The change in the alarm-triggering direction is adopted for all tasks using this route.