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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
Owing to the dependence of the
optimum end-to-end power func-
tion upon viewing conditions,
there here ought to be a user
control for rendering intent-
perhaps even replacing BRIGHTNESS
and CONTRAST- but there isn't!
Figure 24.9
Luma/color
difference flavors
The transfer functions of the decoder (or the CRT) are
intertwined with gamma correction. As I explained on
page 81, an end-to-end power function having an
exponent of about 1.25 is appropriate for typical televi-
sion viewing in a dim surround. The encoder of
Figure 24.7 imposes a 0.5-power function; the decoder
of Figure 24.8 imposes ...
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Publisher Resources

ISBN: 9781558607927