Variable-length encoding apparatus and method

Details Variable-length encoding apparatus and method Variable-length encoding apparatus and method

2011-02-22

2011-02-22

Popovici, Dov (Department: 2625)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240240, C382S246000, C341S067000, C358S426130

Reexamination Certificate

active

07894532

ABSTRACT:
A variable-length encoding apparatus receives image data on a block basis, generates a plurality of syntax elements from the image data, and outputs an encoded stream by performing variable-length encoding of the syntax elements. This apparatus includes a block memory unit group including at least two block memory units which store image data on a block basis, generates at least one syntax element by reading out transformation coefficients from the block memory units, independently variable-length-encodes each of syntax elements and outputs variable-length codewords, includes a variable-length code memory unit group including at least two variable-length code memory units which independently store the variable-length codewords as codeword streams, and generates one encoded stream from the respective codeword streams supplied from the variable-length code memory unit group.

REFERENCES:
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patent: 2007/0253488 (2007-11-01), Kitamura
patent: 2008/0307198 (2008-12-01), Kataoka et al.
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The above references were cited in a Aug. 28, 2009, Japanese Office Action that issued in Japanese Patent Application No. 2004-347238, which is enclosed without English Translation.

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