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4 Term Glossary
EPSF
Encapsulated PostScript File. An industry-standard file format
supported by most applications.
ESC/I
Abbreviation for EPSON Standard Code for Image scanners. A
system of commands to control image scanners with software.
ESC/P
Abbreviation for EPSON Standard Code for Printers. A system
of commands to control printers with software.
Exposure
An EPSON TWAIN option that sets the intensity of light in an
image.
File Format
The manner in which a graphic image is stored on the disk.
Gamma
An EPSON TWAIN option that sets the gradation between
highlights and shadows in an image.
Gray Balance
An EPSON TWAIN option that lets you adjust the grayness of
any area of an image. You can remove color casts and
discoloration to make the grays in an image more neutral.
Grayscale
The measure of grayness of any area of an image. When an
image is scanned, the gray level of each pixel is determined.
Halftone
An image type which simulates grayscale by varying the sizes of
the dots printed.
Halftoning
A process of converting continuous tones into digital data so
that the output data simulates the tones.