Epson Expression 800 TWAIN Pro Guide de l'utilisateur télécharger pdf (Page 62)

Glossary Page 62

Glossary

bit Short for binary digit. The smallest unit of data in computer processing. A

bit can represent two values, on and off, or 1 and 0.

bit/pixel The unit that indicates the number of bits allocated for a pixel. The larger

the value, the more detail a pixel can represent.

color correction A method of adjusting the color image data for a particular type of device

so that the reproduction results come close to the original colors.

default A set of values used when no other selections have been made.

De-screening Counters the effect of the screen process on your image and turns the

dots into a smoother pattern. De-screening is useful for scanning

photographs and illustrations printed in newspapers or magazines to

improve lost resolution or sharpness.

dither A process in which software or an output device simulates continuous

tones with groups of dots.

dpi Dots per inch. A unit of measurement for resolution. The higher the value,

the higher the resolution.

Dropout An EPSON TWAIN Pro option that lets you select a color for the scanner

to ignore.

Halftone A method of using dot patterns to represent an image.

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Epson Expression 800 TWAIN Pro Guide de l'utilisateur Page 62