Adaptive Recognition Carmen ANPR BOX, Installation And User Manual

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Carmen Box USER MANUAL
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The OSD layers come in handy for observing the internal workflow of the device, setting up the device
or troubleshooting.
The most important parameters related to license plate recognition can be found on the ANPR engine
status OSD, these are the following:
Found/Read: Number of images on which the device has started to detect ( „ Read ” ) license plate, and
( „ Found ” ) it. Values will be reseted after reboot.
Prefilter: „found” means the device detected license plate in that image (and in the ANPR mask).
„not - found” means that the device tried it, but did not detect any license plate in that image.
„idle” means that the device has not tried to detect plates. The prefilte r does not run on every images.
Carmen-Engine: „found” is displayed when the Carmen ANPR recognition module has processed an
image. „no - input” means the engine do not receive image from the prefilter.
Plate: Recognised license plate result of Carmen engine.
Avg. char height: Character height of recognised license plate.
Confidence: Confidence value of recognised license plate.
Confidence threshold: Minimum confidence value previously set in {ANPR engine} . License plates with
confidence value below this threshold will be discarded.
Recognition memory: Recognised license plates which will not be recognised again. The time range
while the recognised license plates remain in the memory can be set in {ANPR engine} ”Ig -nore same
plate for (s)”.