ANPR LUMO | installation guide
Trigger type HTTP single shot:
This mode should only be used if the engine is set to single mode.
Setup: no need for setups
Start: The session will start simultaneously with the activation of
the camera.
Stop: The session ends after grabbing one shot.
7.2.2 MODE OF OPERATION
Depending on the application of the ANPR Lumo, different methods for image acquisition and internal data processing
might be needed.
The configuration settings in this menu affect the way the camera handles image sequences, duplicate readings, and
reading errors.
The Mode of Operation is mainly defined by the Streaming Mode - the method and way images are buffered in the
device memory. For example, more buffering will increase the latency of the reading (the time until you get a reading
result), but it allows the camera to examine more readings and correct errors.
The dialog in this menu offers you good starting points for parameter sets which are useful for the intended application
scenarios, but they can be adjusted to your needs.
SINGLE MODE:
Returns every single license plate reading without combining multiple identical readings.
The camera reads every single image as quickly as possible. Each input image is considered on its own and unrelated to
images before and after it..
PARKING MODE:
Returns only unique license plates, multiple readings are suppressed.
This mode is designed for access and parking control uses. Each vehicle number plate is required to be detected at
least the number of times defined in Minimum Detections. When this value has been reached, the LP will be available
as reading and from here on be suppressed.
The Minimum Detections parameter controls how many readings of the same license plate have to be made until a
definite result is accepted by the camera.
Maximum characters mismatch refers to the maximum number of characters by which two consecutive readings are
allowed to differ and still be considered identical. The useful range for this parameter is 0-3.
A new reading is accepted as valid if:
- The number of character differences to previously read strings is not greater than Maximum character Mismatch.
- If it is detected inside the ANPR region of interest.
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