Epson Macintosh - Manual (Page 75)

SCSI
Small Computer System Interface. EPSON scanners use the
SCSI interface to communicate between the Macintosh and the
scanner.
Shadow
The darkest area of an image. The range between highlight and
shadow determines the range and the color differentiation of
the image.
Sharpness
The measure of enhanced detail in an image.
Threshold
The point at which the gray values are changed to either black
or white.
TIFF5.0
Tagged Image File Format, version 5.0. TIFF is an industry-
standard file format supported by many applications.
TIFF6.0(JPEG)
Tagged Image File Format, version 6.0 with JPEG compression.
TIFF and JPEG are industry-standard file formats supported by
many applications.
Transfer Curve
A Gamma correction graph which shows the contrast ratio
between the input (original image) and output (image data) in
image processing.
Transparency Unit
A scanner accessory which allows the scanner to use materials
such as transparencies.
TWAIN
An open industry interface allowing you to acquire image data
directly from external sources without leaving your current
application.
Zoom
The ability to enlarge a portion of an image.
Term Glossary 5