Banner PresencePLUS P4 COLOR Series - Manual (Page 218)

Additional Information Description Thresholding Type
If you select Uniformly
Changing, then the grayscale Uniformly Changing
contrast of the image changes
along the read direction of the
ROI in uniform increments (up
or down) over the units indicated
in the Box count field. The
default box count is 16. Use the
arrow controls to adjust as
apppropriate.
Note: The Box count
integer is close to the
number of characters in the
image. A good starting
point is the number of
characters in the image.
If you select Non-uniformly
Changing, then the grayscale Non-uniformly Changing
contrast of the image varies
irregularly along the read
direction of the ROI. The default
box count is 16. Use the arrow
controls to adjust as
apppropriate.
Note: The Box count
integer is close to the
number of characters in the
image. A good starting
point is the number of
characters in the image.
Check the Enable low contrast
thresholding if the contrast is Enable low contrast
thresholding
not sufficient to allow characters
to box correctly.
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2/2010 PresencePLUS Software Tools