HP Scanjet 6200c HP Scanjet 6200C Scanner PrecisionScan Pro - (English) User G - Page 34

Black & White Threshold tool

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Black & White Threshold tool  The Black & White Threshold tool lets you change the dividing point for black and white pixels in an image that uses the Black & White Bitmap (raster) output type. All pixels below the threshold will be output as black and all pixels above the threshold will be output as white. After you have drawn a selection area, use this tool to: – view the distribution of black and white pixels in the selection area — set the black and white threshold (see page 85) ˜ set the color channel ™ set the black and white threshold to the value determined by the scanning software TIP After you change settings in the Black & White Threshold tool, the results of the new settings can be seen in the preview area. Black & White Bitmap (raster) output type Default threshold setting – ™ Low — threshold setting ˜ È 2 A tour of the scanning software Book Contents Index È HP PrecisionScan Pro User's Guide 34

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2
HP
PrecisionScan Pro
User’s Guide
34
A tour of the scanning
software
Book Contents
Index
Black & White Threshold tool
The
Black & White Threshold
tool lets you change
the dividing point for black and white pixels in an
image that uses the
Black & White Bitmap (raster)
output type. All pixels below the threshold will be
output as black and all pixels above the threshold
will be output as white.
After you have drawn a selection area, use this
tool to:
view the distribution of black and white pixels
in the selection area
set the black and white threshold (see page
85
)
set the color channel
set the black and white threshold to the value
determined by the scanning software
After you change settings in the
Black &
White Threshold
tool, the results of the new
settings can be seen in the preview area.
TIP
Black & White Bitmap (raster)
output type
Default
threshold
setting
Low
threshold
setting