Appeal No. 2004-2185
Application 08/855,245
these considerations. From our study of Chaddha, the principal
reference relied upon by the examiner, it appears to us that
both the appellant and the examiner have not given adequate
consideration to all the teachings and suggestions within this
reference.
Although appellant's consideration of Chaddha at pages 6
and 8 of the brief on appeal is accurate to the extent that it
does discuss this reference, it does not appear to recognize
significant teachings and suggestions therein. The encoder in
Figure 2 of Chaddha appears to relate to the scalable video
encoder in the server 20 in Figure 1. Figure 2 of Chaddha
appears to correspond to Figures 4 and 5a of the disclosed
invention. Thus, it is clear from Chaddha that the scalable
video encoder 60 encodes three image resolutions, the base layer
260, the first enhancement layer 340 and the second enhancement
layer 400. As indicated initially at column 6, lines 45-51,
Chaddha's system first indicates that rate or bandwidth
scalability is easily achieved by dropping index planes from the
embedded bit stream. The ability to drop excess data for
purposes is discussed further at the bottom half of column 6. It
is noted in the initial lines of column 7 that video information
involves the laying of video information as two streams, the base
4
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