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Installation and User Manual
ADPRO Presidium Mini by Xtralis
52
Doc. 14294_02
Areas
Defining the “detection” and “trigger” areas for a camera determines which areas of a camera’s
field of view will generate a motion detection alarm. To reduce false alarms, areas of a camera
view that contain trees, roads etc should, if possible, be excluded from detection or trigger areas.
Add Detection Shape
A Detection Shape is a special area (graphical shape) placed onto a camera view that is
sensitive to target motion within its boundary lines. The parameters used to define and measure
motion of a target within a Detection Shape are defined by the Detection Parameters (see
section on page 55) and all detection parameters must be satisfied before a alarm event can be
triggered. Targets outside of a Detection Shape are ignored.
Click on the
Add Detection Shape
button (or right click in the image) to place a new detection
area on the image. The detection area is shown in red and is presented with four nodes. Use the
mouse to move the position of the nodes to change the size and shape of the detection area.
To add more nodes, select a boundary line and press the
Add Node
button or right click on a line
segment. To remove nodes, select
Remove Node
button or Right Click on a node. To remove an
entire shape, select a shape and press
Remove Shape
or right click on a shape.
Add Trigger Shape
A Trigger Shape is a special area placed within a Detection Area. A Trigger Shape is sensitive to
target track motion across its boundary lines. The user can select the particular type of target
action (ie. direction) that must occur to trigger an alarm event.
A trigger shape can only be defined within a Detection Area. Multiple Trigger Areas can intersect
and overlay each other.
Trigger Shapes provide enhanced target detection capability, for example:
Simple triggers -
the target crosses one of the boundary lines
Directional triggers -
the target crosses two of the boundary lines
Loiter triggers -
the target crosses one boundary and moves within the area for a preset period
or the target simply “appears” or “disappears” (see
Trigger Area Properties
)
Click on
Add Trigger Shape
or right click on a detection area to add a new trigger shape. Move
the position of the nodes or
Add Nodes
to change the size and shape of the trigger area. To
remove entire shape, select a shape and press
Remove Shape
or right click on a shape.
A new trigger shape is presented as a square with 4 edges and 4 nodes. A small yellow box will
define the origin node. Each edge of the Trigger Area can be assigned a unique trigger property;
•
Entry Edge
(target track must move into the trigger area)
•
Exit Edge
(target track must move out of the trigger area)
•
Crossing Edge
(target track must cross over the edge line in either direction)
•
Disable Edge
(target track is ignored)
By default a new trigger area has:
•
All edges disabled.
•
The Enable Timer set to inactive. This means that no timer function is enabled and alarm
triggers are only defined by the Edge properties (ie target tracks must pass through two
edges to generate an alarm).
Note:
The default trigger area needs to be programmed by defining edge properties and
area properties before it will detect target activity.
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