Epson Macintosh - Manual (Page 74)

Moire
An unwanted pattern that can occur when a halftone image is
scanned or when it is scaled in an application after it has been
scanned.
PICT
An industry-standard file format supported by many
applications.
Pixel
Picture Element. Each image is composed of a number of
pixels. Pixels are sometimes called dots.
Pixel Depth
An EPSON TWAIN setting that lets you select the amount of
color information in a file.
Port
An interface channel through which data is transmitted
between devices.
Resolution
Indication of how finely an image is resolved into pixels.
Measured in dots per inch (dpi), pixels per inch (ppi), or
sometimes samples per inch (spi).
RLE Compression
Run-Length Encoding. A type of data compression.
Saturation
The amount of color in a specific hue. Unsaturated colors tend
to be pale. Saturated colors tend to be rich and vibrant.
scaling
Reducing or increasing the size of an image.
scan
An operation performed by the sensor and the carriage of a
scanner. The image is divided into pixels by scanning.
Scanning Area
The physical size of the image that can be scanned by the
scanner.
4 Term Glossary