User Manual

Additional InformationDescriptionROI Control
Use the up or down arrow controls to rotate
the ROI clockwise, or counterclockwise so
Rotation
that the ROI aligns with the character string
image.
In order for the OCV/OCR Vision tool to
box correctly, there must be a minimum of
Deslant Angle
a 2 to 3 pixel-wide column between
characters. If the characters are slanted in
such a way that they overlap in this 2 to 3
pixel-wide column, then the image may
need to be manipulated, or deslanted, so
that the image can box correctly. Use the
up or down arrow controls to adjust for the
slant as appropriate.
From the dropdown, select None,
Horizontal, Vertical, or Both.
Flipping Mode
Note: Performance is reduced if you
have to flip the image. If you can't
re-orient the camera so that the
character string in the captured image
reads normally from left to right on a
horizontal plane, consider assigning
each character pattern as it appears
to a character ID in the font library.
Character Settings Calibration
The Character Settings calibration group on the OCR or OCV Trainer is used to define characteristics of the
string images captured by the Vision Sensor.
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PresencePLUS Software Tools7/2009