NETAVIS Observer 4.6 User Manual (October 2015)
Page 159 of 204
6.
Check or uncheck the
Lower edge parallel with plate
checkbox depending on whether the
lower edge of the region defined above is parallel to the number plates (only available for
Region
:
Hungary
). If it is enabled then the initial learning period of the number plate
recognition module is shortened.
7.
Select in which
Region
the system is used (please refer to the
iCAT NPR datasheet available on
our website
for the complete list of countries whose number plates are supported):
Europe and Russia
Arabian Peninsula
Hungary
North Africa
Southeast Asia
Pakistan
If possible iCAT NPR also detects which specific country a number plate is from. The detected
country is then shown in the corresponding event details and can also be used in event searches.
Note
: This option has to be configured in accordance with the license running on your system.
8.
Select the
Minimum plate length
whereby you can choose values between 1 and 5.
Recognized number plates with fewer than this minimum length will be discarded and not stored
in the event database.
9.
Select the Number Plate Recognition
Scenario
:
High speed
is used for free flow scenarios
Slow speed
is used for vehicle entry, parking, and similar scenarios
Note
: This option has to be configured in accordance with the license running on your system.
10.
Check or uncheck the
Motion detection trigger
checkbox (only available for
Scenario
:
Slow
Speed
). If this option is enabled number plate recognition is only attempted after a motion is
detected in the image whereby the threshold is a 5% pixel change in the previously selected
detection region.
11.
Check or uncheck the
Fast detection
checkbox. If this option is enabled then the first number
plate recognition of a given plate will create a corresponding event, else three consecutive
recognitions are needed for the event to be created.
