Introduction
Glossary
Appendix
Glossary
Index
Contents
TOP
155
How to Load
Documents
How to Use the
Operator Panel
Various Ways to
Scan
Daily Care
Troubleshooting
Operational
Settings
Replacing the
Consumables
Scanner
Overview
Filter
A function that applies a type of filter operation process on a scanned image.
Types of filtering are as follows:
Digital Endorser:
Adds alphanumeric character strings on the scanned image data.
Page Edge Filler:
Fills in the margins of the scanned image in a specified color.
G
Gamma
A unit which indicates the changes in the brightness of an image. It is expressed as a function of the electric input power to
devices (such as a scanner and a display) and the brightness of the image. If the gamma rate is larger than 1, the
brightness of an image increases and vice versa. Normally, set the gamma rate to 1 when reproducing the same brightness
as the original.
Grayscale
A method which expresses the gradation (density) from black to white in 256 levels. Suitable for scanning images such as
photographs.
H
Halftone
Reproduces the color density in black & white by using dot patterns. This method is effective for scanning images such as
photographs in black & white.
I
Image processing
Refers to processing and outputting the scanned image via specified scan parameters.
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