CONTENTS

INDEX

Glossary 93

Black-Point Eyedropper

The Histogram tool that lets you select the darkest portion of the image in the preview area.

Brightness

The overall amount of lightness or darkness in an image. An image with maximum brightness tends toward white; an image with minimum brightness tends toward black. While contrast refers to the range and number of tones in an image, brightness refers to the intensity of tones.

Canon ColorGear Color Matching

Canon’s process of matching the color profile of the input device (scanner) with the color profile of the output device (monitor), to yield the most accu- rate color image.

Channel

See Color Channels.

Clear Preview Button

The button that removes the current image from the preview area.

CMY

An acronym for cyan, magenta, and yellow, the color complements to red, green, and blue.

CMYK

An acronym for cyan, magenta, yellow, and black, the four-color process used in most commercial printing. (The black “K” stands for “Key color.”)

Color Channels

The red, green, or blue components of a color image. Color images contain 8 bits/12 bits per pixel each for red, green, and blue channels, therefore each pixel has 24 bits/36 bits. If you are scanning a color image, you can change the brightness and contrast of the individual red, green, and blue tones in your image. The Master channel is a combination of the three.

Color Matching

The range of colors your scanner can see may not match the range of colors your video monitor can produce. Color matching lets your system display colors so that the color on your monitor and printer matches the colors scanned. See also Canon ColorGearTM Color Matching.

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Canon CS-S 4.3 manual Contents Index