A-61580 November 2007
4-7
Noise Filter
— select one of the following:
None, Lone Pixel or
Majority Rule.
•
Lone Pixel:
reduces random noise by converting a single black pixel
to white when it is completely surrounded by white pixels or by
converting a single white pixel to black when it is completely
surrounded by black pixels.
•
Majority Rule
: sets each pixel based on its surrounding pixels. The
pixel will become white if the majority of the surrounding pixels are
white and visa versa.
Color options
JPEG
— uses JPEG techniques to compress the image. JPEG
compression offers a JPEG quality of
Draft
,
Good, Better, Best
and
Superior
.
•
Draft:
maximum compression which produces the smallest image
size.
•
Good
: a fair amount of compression but still produces acceptable
image quality.
•
Better
: some compression which produces decent image quality.
•
Best
: minimal compression which produces very good image quality.
•
Superior
: the least amount of compression which produces the
largest image size.
Color Correction
— select one of the following based upon the
documents you are scanning:
•
Mixed
: when the documents you want to scan contain a mix of text,
business graphics (bar graphs, pie charts, etc.) and line art.
•
Pictures
: when the documents you want to scan are comprised
mainly of photos.
•
Text
: when the documents you want to scan contain mostly text.
No Noise Filter Used
Lone Pixel
