Appeal No. 2000-2247
Application 08/137,189
The range is 16 positions in the horizontal and vertical
directions (-8 to +7 pixels from the center of the block, col. 5,
lines 10-13, which includes 0 pixel displacement) for a total of
2
16 tests to find the best match in the prior frame odd field and
2
16 tests to find the best match in the prior frame even field
(col. 5, lines 13-16). Because a block is 8x8 pixels, this range
compares a current block to blocks in the vicinity of the current
block in prior frame fields (as compared to the embodiment of
figure 3 which compares a block to a block at the same location
in the prior frame fields). However, this embodiment also does
not compare a current block of the current frame to reconstructed
neighboring blocks of the current frame, as claimed.
The Examiner relies on "the motion compensation circuit of
figure 8 as incorporated into the encoder of figure 4" (EA5).
The Examiner's reasoning is somewhat lengthy and convoluted, but
basically the Examiner finds that the frame memories contain
reconstructed current frames and interprets elements 134 and 136
in figure 8 to be memories that hold reconstructed current and
preceding frames (EA5-7).
Appellants argue, inter alia: (1) there is no suggestion to
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Last modified: November 3, 2007