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 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 com-
ponent 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.
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 by different descriptors depending
on the color model being used.
handshaking
the process of acknowledging transmission and reception of data
through hardware or software.
interleaved
refers to a color pixel storage structure where the RGB elements of
the pixel are all present in consecutive order at one memory location
for that pixel. Non-interleaved or planar means that the red, green
and blue pixels are stored in different planes or files. See band sequen-
tial, byte sequential, line sequential, full chunky, chunky planar, and
full planar.
irradiation
photons entering a light sensitive film emulsion tend to ‘bounce
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Software Reference for Scanners
Glossary of Computer Imaging Terms
Содержание Scanners
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Страница 14: ...Page XIV Software Reference for Scanners Table of Contents ...
Страница 36: ...Page 22 Software Reference for Scanners Software Installation IBM PC or Compatible Chapter 3 ...
Страница 92: ...Page 78 Software Reference for Scanners Setting and Restoring the Nikon Plug in State Macintosh Chapter 8 ...
Страница 126: ...Page 112 Software Reference for Scanners Cropping and Sizing Images Chapter 11 ...
Страница 132: ...Page 118 Software Reference for Scanners Film Type and Orientation Chapter 12 ...
Страница 146: ...Page 132 Software Reference for Scanners Focusing with Coolscan Chapter 14 ...
Страница 170: ...Page 156 Software Reference for Scanners The Gamma Curve Editor Dialog Chapter 16 ...
Страница 194: ...Page 180 Software Reference for Scanners Troubleshooting Windows ...