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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
Figure 1.16
The "code
100"
problem is mitigated
by using
more than 8 bits to represent
luminance. Here, 12 bits are
used, placing the top end of the
scale at 4095. However, the
majority of these 4096 codes
cannot be distinguished visually.
Ig 1 O0 463
463; 1.01 =100
Ig 1.01
Conversely, monitor
R'G'B'
values
are proportional to reproduced
luminance raised to approximately
the 0.4-power.
The
cathode ray tube
(CRT) is the
dominant display device for tele-
vision receivers and for desktop
computers.
High-quality image reproduction requires a ratio of at
least 30 to 1 between the luminance of white and the
luminance of black, ...
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Publisher Resources

ISBN: 9781558607927