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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
Concerning Pointer, see the
marginal note on page 255.
Eq 26.8
CBC R components for Rec. 1361 HDTV
One method of extending the color gamut of an R'G'B'
system is to allow components to excurse below zero
and above unity. In
Rec. 1361 trans~er~unction, on
page 265, I explained one approach. Rec. 1361 is based
upon Rec. 709 primaries, but enables the
RGB tristim-
ulus components to excurse from -1/4 to +4/3.
When transformed to Rec. 709 Y'CBC R, all of the real
surface colors documented by Pointer- that is, all the
colors in Pointer's gamut- produce values that are
Y'CBCR-Valid. Though Rec. 1361 was needed ...
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Publisher Resources

ISBN: 9781558607927