Banner PresencePLUS P4 COLOR Series - Manual (Page 217)

Additional Information Description Intra-Character Connectivity
number of pixel spaces that can
exist between two vertical
character strokes so that the
image is boxed as a single
character image.
Thresholding Calibration
The Thresholding calibration group includes options for adjusting the grayscale threshold level for the image.
Parameters
The following are the parameters that can be set for Thresholding.
Additional Information Description Thresholding Type
If you select Adaptive from the
drop-down list, which is the Adaptive
default, the software
automatically chooses the
grayscale threshold level for the
bimodal image.
Note: this threshold
assumes that the image is
bimodal.
If you select Fixed from the
drop-down list, you need to enter Fixed
the Lower Reject and Threshold
(see the example below).
Note: If the Print Contrast
is set to Bright on dark,
then the Lower Reject and
Thresholds will be the
opposite.
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PresencePLUS Software Tools 2/2010