Methods and apparatus for encoding a digital video signal

Image analysis – Image compression or coding

Reexamination Certificate

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Reexamination Certificate

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08077989

ABSTRACT:
An apparatus for encoding an image. In one embodiment, the apparatus comprises a hash function module for determining changes to a plurality of scan blocks of an image; an encoder module, coupled to the hash function module, for encoding each scan block in the plurality of scan blocks as layers of increasing quality; and selecting specific scan blocks having a specific quality layer for transmission in response to the hash function module change determination.

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