Canon imageCLASS MF6595cx imageCLASS MF6500 Series Scanner Driver Guide - Page 74

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Introduction 1 Scanning a Document 2 Troubleshooting 3 Appendix 4 Glossary A Application Abbreviation of the phrase "application software." Software designed for a specific purpose such as word processing software, spreadsheet software, database software, or a combination of these. B Bit An indication of the volume of data used to describe points in an image. A 1-bit image assigns image data black or white color values depending on whether the brightness value is above or below a particular threshold value. The result is a two-color image. An 8-bit grayscale image expresses an image in 256 shades of gray ranging from white to black. A 24-bit color image assigns 8 bits to each RGB color channel, expressing each pixel in approximately 16.8 million colors. Brightness The relative proportion of light and dark areas. Decreasing brightness darkens the overall image; increasing brightness lightens it. Back Previous Next TOP C Color Matching In some cases, the range of colors captured by a scanner exceeds the range that can be displayed by a particular monitor. In addition, the colors displayed for an image on the monitor may be slightly different than those output by a printer. Color Matching is the process used to make the colors captured by a scanner consistent with those shown on a display or printed on a printer. Contrast The degree of difference between the lightest and darkest areas of an image. Decreasing contrast lightens the dark areas and darkens the light areas; increasing it darkens the dark areas and lightens the light areas. Control Panel The set of Windows programs you can use to change system, hardware, software, and Windows settings. Crop The action of selecting only part of an image for use. Using the Crop button on the ScanGear MF toolbar, a portion of the preview image can be selected and only that portion is then re-previewed or included in the final scan. Table of Contents Index 4-3

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1
2
3
4
TOP
Back
Previous
Next
4-3
Introduction
Scanning a
Document
Troubleshooting
Appendix
Table of Contents
Index
Glossary
A
Application
Abbreviation of the phrase “application software.” Software
designed for a specific purpose such as word processing
software, spreadsheet software, database software, or a
combination of these.
B
Bit
An indication of the volume of data used to describe points in an
image. A 1-bit image assigns image data black or white color
values depending on whether the brightness value is above or
below a particular threshold value. The result is a two-color
image. An 8-bit grayscale image expresses an image in 256
shades of gray ranging from white to black. A 24-bit color image
assigns 8 bits to each RGB color channel, expressing each pixel
in approximately 16.8 million colors.
Brightness
The relative proportion of light and dark areas. Decreasing
brightness darkens the overall image; increasing brightness
lightens it.
C
Color Matching
In some cases, the range of colors captured by a scanner
exceeds the range that can be displayed by a particular monitor.
In addition, the colors displayed for an image on the monitor may
be slightly different than those output by a printer. Color Matching
is the process used to make the colors captured by a scanner
consistent with those shown on a display or printed on a printer.
Contrast
The degree of difference between the lightest and darkest areas
of an image. Decreasing contrast lightens the dark areas and
darkens the light areas; increasing it darkens the dark areas and
lightens the light areas.
Control Panel
The set of Windows programs you can use to change system,
hardware, software, and Windows settings.
Crop
The action of selecting only part of an image for use. Using the
Crop button on the ScanGear MF toolbar, a portion of the preview
image can be selected and only that portion is then re-previewed
or included in the final scan.