Baumer VeriSens ID Series Technical Documentation Manual page 257


Threshold: Set the threshold for the separation of background and characters. For optimal
recognition, the background should have as little structure as possible!

Polarity: Specify whether the text is brighter or darker than the background.

Mirroring: Specify whether the text is mirrored.

Font height: Choose whether the character size is automatically recognized or whether it should be
entered manually. With manual entry, you may enter this value or draw a frame in the image around
one individual character.

Colour conversion: Enter the method you wish to use to convert the field of view into a black and
white image here. Select Gray value, if the black and white version of the field of view contrasts well.
Select Two colour optimization if the barcode and background appear in similarly light colours.

Re-learn text colour: Use this function to optimize the way the field of view is converted into a black
and white image. This is useful if the colours in the field of view have changed.

Find text line: Activate the Find text line option if structures are present below or above the text and
these structures are to be automatically masked.

Remove small characters: In addition, you can set a minimum size for the characters to remove
very small characters.

Adjust font weight: It is also possible to reduce or increase the line thickness of the characters
found.

Learn reference character: Click on the
opens where you can assign values to the characters read.
v2.11.0-B4
+
to teach in reference characters. The window below
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Technical Documentation
VeriSens
Baumer Optronic GmbH
Radeberg, Germany
®