Nikon LS-3500, Software Reference Manual

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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.