HP 6300C HP Scanjet 6300C Scanner PrecisionScan Pro - (English) User Guide - Page 95

Examples of changing color channels, Black & White, Bitmap raster, Black & White Threshold

Page 95 highlights

Examples of changing color channels Images of a color drawing changed to the Black & White Bitmap (raster) output type are shown with different color channels and black and white threshold settings applied in the Black & White Threshold tool. Original with True Color output type Black & White Bitmap (raster) output type applied with NTSC Gray color channel and automatic threshold (110) Red color channel and automatic threshold (110) Blue color channel and automatic threshold (110) Blue color channel and higher threshold (173) +$%& TIP The NTSC Gray channel in the Scan using channel list box of the Black & White Threshold tool converts color to gray at a ratio of 30% red, 59% green, and 11% blue. Green color channel and automatic threshold (110) È 4 Adjusting images of pictures Book Contents Index È HP PrecisionScan Pro User's Guide 95

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$%&
4
HP
PrecisionScan Pro
User’s Guide
95
Adjusting images of
pictures
Book Contents
Index
Examples of changing color channels
Images of a color drawing changed to the
Black & White
Bitmap (raster)
output type are shown with different
color channels and black and white threshold settings
applied in the
Black & White Threshold
tool.
Original with
True Color
output
type
Black & White Bitmap (raster)
output
type applied with
NTSC Gray
color
channel and
automatic
threshold (110)
Red
color channel and
automatic threshold (110)
Green
color channel and
automatic threshold (110)
Blue
color channel and automatic
threshold (110)
Blue
color channel and higher
threshold (173)
The
NTSC Gray
channel in the
Scan using channel
list
box of the
Black & White Threshold
tool converts
color to gray at a ratio of 30% red, 59% green, and
11% blue.
TIP