Banner PresencePLUS Pro COLOR—PROII Camera - Manual (Page 241)

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.
241 Minneapolis, MN USA Banner Engineering Corp.
PresencePLUS Software Tools 2/2010