Glossary E-7
Scan material
The type of material for your image. Scan materials can be generally classified
into three types: reflectives, such as photographs or prints; positives, such as
slides; and negatives, like the negative film used in cameras.
Scanner
A device that captures an image for your computer and converts it to a digital
form that your computer can display, edit, store and output. A scanner can be
used for a wide variety of applications, such as incorporating artwork or photos
into documents, scanning printed text into your word processor to eliminate
retyping, scanning faxed documents into a database for storage, and adding
images to multimedia productions.
SCSI
Stands for Small Computer System Interface, a format for interfacing hardware
to the your computer.
SCSI chain
A chain that links SCSI devices on your system. A SCSI chain may include such
devices as a scanner, a CD-ROM drive, an external hard drive, and a tape drive.
Each SCSI device on the chain must have its own SCSI ID number, or conflict will
ensue.
Shadows
The darkest areas of an image.
Single-bit image
Single-bit images are the simplest kind of image, using just one
bitbit
bitbit
bit of data to
record each pixel. Single-bit images come in two types:
line artline art
line artline art
line art, and
halftonehalftone
halftonehalftone
halftone.
sRGB
sRGB is a standard RGB color space, which is endorsed by a wide variety of
hardware and software manufacturers, and is becoming the default working
color space for many scanners, low-end printers, and software applications, as
well as the Internet.
Text scanning
One of the most common uses for scanners, as it eliminates the need for
retyping. Scanners scan text through the use of
OCR software OCR software
OCR software OCR software
OCR software and deliver text
to your word processor.
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