Brightness

The amount of black or white mixed with a color.

Byte

A unit of information consisting of eight bits. A byte can represent a control code or character.

Calibration

A process that adjusts the color or black and white values in the scanned image file to compensate for the effects that software programs, printers, and monitors have on the image. Calibration produces a final output that more closely reflects the original.

Carriage

A component of the scanner that contains the optical sensor and light source for scanning.

Color Correction

A method of adjusting the color image data for a particular type of device so that the reproduction results are close to the original colors.

Color Filter

An EPSON TWAIN option that lets you modify the color of an entire image.

Color Separation

A process to convert full-color images into a limited number of primary colors. The additive primary colors (red, green, and blue) are used by the scanner and the subtractive primary colors (cyan, magenta, and yellow) plus black are used for printing press separations.

Contrast

The range between the darkest and lightest shades in an image.

2Term Glossary