Appeal No. 2001-0927
Application No. 09/106,707
1. A method for performing motion estimation for a
sequence of images, said method comprising the steps of:
(a) generating an M-ary pyramid having a plurality of
levels for each of said images, where each image is divided
into a plurality of blocks;
(b) generating a plurality of motion vectors based on a
plurality of tiling block sizes; and
(c) passing at least one of said motion vectors for
each of said blocks to a lower level of said M-ary pyramid.
The reference relied on by the examiner is:
Lee et al. (Lee), “A Fast Hierarchical Motion-Compensation Scheme
for Video Coding Using Block Feature Matching,” IEEE Transactions
on Circuits and Systems for Video Technology, 6(6), pp. 627-35
(Dec. 1996).
Claims 1 through 20 stand rejected under 35 U.S.C. § 102 as
being anticipated by Lee.
Reference is made to the brief (paper number 11) and the
answer (paper number 12) for the respective positions of the
appellants and the examiner.
OPINION
We have carefully considered the entire record before us,
and we will reverse the rejection of claims 1 through 20.
According to the examiner (answer, page 3):
Lee et al. clearly provides for generating an M-ary
pyramid as clearly illustrated in figure 2. This
pyramid has a plurality of levels, what Lee et al. call
layers, as indicated in figure 2. Also shown in figure
2 is different tiling blocks which have different
2
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