Nikon LS-3500 - LS-3510 User Manual

Page 78

Advertising
background image

8-6

Glossary

Software Reference for Scanners

four-color process

the use of four subtractive pigment-based primaries,

Yellow, Magenta Cyan, and blacK, to reproduce the

full spectrum in print. Can also be achieved with

three color process, Yellow, Magenta, and Cyan,

which are theoretically the compliment (opposite) to

the three additive primaries, Blue, Green, and Red.

exposure shift

a change in a lighter or darker direction.

GCR

gray component replacement is the use of black ink

to substitute for common quantities of colored inks.

In other words, when the print has a large gray area

that is being reproduced using approximately equal

quantities of cyan, magenta, and yellow ink, the

common component of the three colors can be

replaced with a similar density of black ink. Also

called ‘achromatic’ reproduction.

gray balance

the relative proportion of primary colors, additive or

subtractive, needed to produce a neutral tone from

dark to light intensities.

GPIB

General Purpose Interface Bus, sometimes called

HP-IB for Hewlett Packard Interface Bus, and

standardized as the IEEE-488 bus.

HEX or (h)

a number system which uses a base of 16. Where we

use the first ten numbers in the Arabic system and

continue on with letters: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A,

B, C, D, E, F.

hue

a discrete, fully saturated color, is given a name.

This name is its “hue”. The same hue is referred to

Advertising