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Glossary
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8
Appendix
X
X.509 (DER)
X.509 is a standard for digital key certificates defined by the ITU (International
Telecommunications Union). DER (Distinguished Encoding Rules) is a binary
encoding format for digital key data.
Y
YCbCr
YCbCr is a color space used in video systems. Y is the luminance component, and
Cb and Cr the chrominance components. YCbCr was defined in the ITU-601
(formerly CCIR-602) standard for use with digital component video.