Appeal No. 2000-1540
Application No. 09099,617
quantizer scale for each macroblock within a frame to maintain
the overall quality of the motion video while optimizing the
coding rate.
Representative independent claim 1 is reproduced as follows:
1. A method for allocating bits to encode each frame of an
image sequence, each of said frame having at least one block,
said method comprising the steps of:
(a) determining a target frame bit rate for the frame; and
(b) allocating said target frame bit rate among the at least
one block in accordance with a target block bit rate for the at
least one block, wherein said target block bit rate for the at
least one block is selected in accordance with a mean absolute
difference (Mad) of said block.
The examiner relies on the following reference:
Nickerson 5,528,238 June 18, 1996
Claims 1, 4-7, 9-12, 14-18 and 20-22 stand rejected under
35 U.S.C. 102(b) as anticipated by Nickerson. Claims 8, 19 and
23 have been indicated by the examiner as being directed to
allowable subject matter and are not before us on appeal.
Reference is made to the brief and answer for the respective
positions of appellants and the examiner.
-2–
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