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Digital Video and HD
book

Digital Video and HD

by Charles Poynton
January 2003
Intermediate to advanced content levelIntermediate to advanced
736 pages
30h 54m
English
Morgan Kaufmann
Content preview from Digital Video and HD
Luma and
color differences
24
This chapter describes color coding systems that are
used to convey image data derived from additive
(RGB) primaries. I outline nonlinear
R'G'B', explain the
formation of
luma, denoted Y', as a weighted sum of
these nonlinear signals, and introduce the
color differ-
ence
(chroma) components [BLy', RLy'], [CB, CR] ' and
[PB, PR]"
The design of a video coding system is necessarily
rooted in detailed knowledge of human color percep-
tion. However, once this knowledge is embodied in
a coding system, what remains is physics, mathematics,
and signal processing. This ...
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Publisher Resources

ISBN: 9781558607927