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Advances in Visual Data Compression and Communication
book

Advances in Visual Data Compression and Communication

by Feng Wu
July 2014
Intermediate to advanced content levelIntermediate to advanced
513 pages
16h 40m
English
Auerbach Publications
Content preview from Advances in Visual Data Compression and Communication
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96 5 Motion Threading for 3D Wavelet Coding
Figure 5.3 Lifting-based MT with bidirectional motion search.
and MT
2i+1,2i+2
() as follows:
MT
2i+1,2i
(x) = x + MV
2i+1,2i
(x)
MT
2i+1,2i+2
(x) = x + MV
2i+1,2i+2
(x)
, (5.3)
where MV
2i+1,2i
(x) and MV
2i+1,2i+2
(x) are the motion vectors of the pixel x in the
frame 2i + 1. In the proposed scheme, MV
2i+1,2i
(x) and MV
2i+1,2i+2
(x) are allowed
to point out a noninteger pixel. F
2i
(MV
2i+1,2i
(x)) and F
2i+2
(MV
2i+1,2i+2
(x)) in the
fractional-pixel position are calculated with Sinc interpolation [82].
The second equation in Eq. (5.2) describes the update step. Obviously, the update
step needs the motion alignment MT
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Publisher Resources

ISBN: 9781482234138