Parallel entropy coding

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United States of America Patent

PATENT NO 8660177
APP PUB NO 20110235699A1
SERIAL NO

12731117

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Parallel coding of digital pictures is described. A digital picture is divided into two or more vertical sections. Two or more corresponding Stage 1 encoder units can perform a first stage of entropy coding on the two or more vertical sections on a row-by-row basis. The entropy coding of the vertical sections can be performed in parallel such that each Stage 1 encoder unit performs entropy coding on its respective vertical section and returns a partially coded Stage 1 output to a Stage 2 encoder unit. Each partially coded Stage 1 output includes a representation of data for a corresponding vertical section that has been compressed by a compression factor greater than 1. The Stage 2 encoder unit can generate a final coded bitstream from the partially encoded Stage 1 output as a Stage 2 output.

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Patent Owner(s)

  • SONY INTERACTIVE ENTERTAINMENT INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Cheng Foster City, US 162 3662
Wang, Jason N Palo Alto, US 24 656

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