Specifications

Glossary
Glossary-5
XYZ A three-channel color model designed to
represent a wider range of colors than the RGB
model: some XYZ-representable colors would
have a negative value of R. For conversion
formulas, see RGB2XYZ.
YCC A three-channel color model that uses one
luminance channel (Y) and two chroma
channels (usually denoted by C
R
and C
B
). The
term is sometimes used as a synonym for the
entire PhotoYCC encoding scheme. See
PhotoYCC.
YUV A three-channel color model frequently used in
television. For conversion formulas, see
RGB2YUV.
zoom A geometric transform function that magnifies
the source image.