Hierarchical encoding and decoding devices

Coded data generation or conversion – Digital code to digital code converters

Reexamination Certificate

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C341S067000, C341S059000

Reexamination Certificate

active

06911920

ABSTRACT:
On the transmitter side, an enhancement layer is hierarchized by expanding a coefficient of orthogonal transformation to a plurality of bit planes or designating a coefficient position in a block. Then, only a coefficient in a position designated by coefficient position information is encoded and streaming distribution is performed. On the receiver side, the coefficient block is restored using the coefficient position information.

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