Set Threshold For Black And White Bitmaps - HP 6200C User Manual

Set threshold for black and white bitmaps

When you want to save a black and white image
from a color or black and white photograph, you
can often improve the result by changing the
threshold for the division between black and white
pixels.
The black and white threshold can be changed
with the
Black & White Threshold
that has the
Black & White Bitmap (raster)
type. (See page
34
tool.)
White Threshold
Applying the default threshold
Click the button in the
Auto
tool.
Threshold
The optimal black and white threshold setting
•
determined by the scanning software is
applied to the
The result of the change to the threshold
•
setting can be seen in the preview area.
Adjusting images of
4
pictures
tool for an image
output
for more about the
Black &
Black & White
tool.
Black & White Threshold
Book Contents
The
Black & White
output
Bitmap (raster)
type and a black
and white threshold
of 15 applied
Index HP PrecisionScan Pro User's Guide


Image of a color
photograph with
the
True Color
output type
85