Nikon LS-3500 - LS-3510 User Manual

Page 76

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8-4

Glossary

Software Reference for Scanners

1) Luminance (brightness, lightness, darkness, or

value): the pixel's shade from dark to light.

2) Hue : the color’s name and relative position in the

visible spectrum.

3) Saturation (purity, degree of gray contamination):

the color’s strength or intensity resulting from the

quantity of neutral that is mixed with the color.

Some common color spaces are: RGB, YMC,

YMCK, HSV, HSL, HSI, YUV, YIR, YIQ, YCC,

CIE L*a*b, CIE L*U*V* etc. Colors can also be

specified using Munsell, Hunter, Pantone®, ANPA

or other color matching systems.

contrast

the difference between the lightest and darkest

shades in a picture. The slope of the function of

exposure versus density is, in effect, the contrast,

also called gamma.

decimal

a number system of Arabic origin, which uses a base

of ten. It also includes various types such as integers,

rational, real and imaginary numbers, etc.

daisy chain

a series of devices connected together with a

beginning and end-point, unlike an endless loop.

digitized

the process of converting a continuously variable

signal into a quantized representation, usually coded

in binary.

DIP switch

dual in-line pin switch.

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