NETAVIS Observer 4.6 User Manual (October 2015)
Page 145 of 204
3.
You can also define a special event priority for events generated by the iCAT definition by setting
the value
Priority of generated event
. Please note that the event priority is a relative priority
whereby 100 is the default priority (see also
9 Handling events
on page 93).
4.
For more information on the
Dynamic view action
configuration please see
6.10 Dynamic View
Control in Online Monitor
on page 64
5.
The check boxes
Save event in event list
and
Do not save event in event list
allow you to
selectively override the general setting for the camera schedule which is defined in
15.3.15
Scheduling iCAT operation and recording
on page 160).
15.3.3 Defining an object tracking region
1.
Choose
Video analysis (iCAT)
from the
System administration
menu. This opens the
Video
analysis (iCAT)
dialog.
2.
Select a camera in the camera tree and in the menu select
Add new definition
.
3.
In the
Type
pop-up menu choose
Object tracking region
.
4.
In the
Identifier
text field enter a name for this region.
5.
Choose whether you want a
Polygon
or
Rectangle
shape by checking the respective check box.
6.
Now you can draw the region with the mouse in the preview pane. For a polygon you just click
with the mouse to define the corners of the polygon. You close the polygon by crossing an
existing edge or by double clicking with the mouse. Here is an example of a tracking region:
Please note
: As indicated in
15.2 Basic iCAT concepts
on page 141 and
15.2.1 Considerations for
setting up a system with iCAT
on page 142 objects will only be detected and tracked inside a
tracking region. Event triggers will only work inside the boundaries of tracking regions. On the
other hand, making the object tracking region as small as possible helps you to save CPU power
of your Observer server.
Also be aware that the tracking region should approximately at least be twice the size of the
biggest objects you want to track.
7.
Now you have to set the configuration parameters of the tracking region:
Field label
Description
Indoor camera
Enable this setting if the camera is an indoor camera. Indoor setting
usually is best for rooms not bigger than 10x10m and objects not
farther away than 15m. Disable this check box for outdoor
