Appeal No. 2002-1510
Application No. 08/882,625 Page 8
is computed by M(R/30), where M is the GOP size and R
is the target bit rate (bits/sec). EGOP can be computed
by the equation:
where AGOP is the set of all picture types used in the
current GOP, nt is the number of the frames of picture
type t in the GOP, and Xt is either the generated bits
for the previous frame of the type t or the intial bit
allocation for picture type t when the picture is at
the beginning of a GOP.
From the disclosure of Lee, we find that Lee refers to allocating
target bits within a GOP, based upon the generated bits for the
previous frame of the same type, within the GOP, or based upon an
initial bit allocation for a picture type when the picture type
is at the beginning of a GOP. Thus, we agree with appellants
(brief, pages 5 and 6) that Lee relates a frame within a GOP to a
prior frame within the same GOP.
We are not persuaded by the examiner's assertion (answer,
pages 6 and 7) that Lee discloses (col. 35, lines 37-39) “‘and Xt
is ... the generated bits for the previous frame of the type t
... when the picture is at the beginning of a GOP’,” and that
“[i]t is very clear that because the Xt values exist at the
beginning of a GOP, the Xt values are values related to the prior
GOP.” We find that the full quote (paraphrased by the examiner)
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