Term Glossary

Application Program

A software program designed to perform a specific task, such as word processing, image editing, or spreadsheet functions.

Additive Primary Colors

Primary colors that produce white when mixed in a certain proportion. These are red, green, and blue.

AAS

Automatic area segmentation. A feature that separates text from graphics so that grayscale images are clearer and text recognition is more accurate.

Automatic Document Feeder

A scanner accessory that automatically feeds a stack of paper into the scanner.

Best & de-screening

An EPSON TWAIN setting that produces the best quality scan and, on some scanners, removes unwanted moire patterns from scanned images.

Bi-level Data

Image data that is composed of 1 bit/pixel. A pixel is represented by a single bit of digital data that can express only 1 (light) or 0 (dark).

Bidirectional Parallel Interface

An interface for communicating between the computer and the scanner.

Bit/pixel

The unit to indicate the number of bits allocated for a pixel. The larger the value, the more detail of a pixel is represented.

Term Glossary 1