14.0

PaperPort Getting Started Guide 34
A typical use for this is to remove a shaded gray background in a
document you want to OCR. Select one of the darker gray pixels from the
background and apply it as the white point. Then the background will
become white. Changing black and white points for a color photo will
typically increase its contrast, but may also change color values.
def
ault
New wh
i
te
point
defa
u
l
t
New black
poi
nt
Before:
After:
You can apply new black and white points to individual images, as
described. You can also apply them as an auto-enhancement to all new
pages scanned with a given scan profile.
Convert Color choices
Color Grayscale Halftone Black-and-white