Hierarchical encoding and decoding devices
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United States of America Patent
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Jun 28, 2005
Issued Date -
N/A
app pub date -
Sep 8, 2004
filing date -
Mar 19, 2002
priority date (Note) -
Expired
status (Latency Note)
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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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