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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 14.2 MPEG
group of
pictures
(GOP). The GOP
depicted here has nine pictures,
numbered 0 through 8. I-picture 0
is decoded from the coded data
depicted in the dark gray block.
Picture 9 is not in the GOP; it is
the first picture of the next GOP.
Here, the
intra count (n)
is 9.
a new anchor. I-pictures and P-pictures form a two-
layer hierarchy. An I-picture and two dependent
P-pictures are depicted in Figure 14.3 below.
AAPEG provides an optional third hierarchical level
whereby
B-pictures
may be interposed between anchor
pictures. Elements of a B-picture may be bidirectionally
predicted by averaging
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Publisher Resources

ISBN: 9781558607927