Computer graphics data coding apparatus, decoding apparatus,...

Details Computer graphics data coding apparatus, decoding apparatus,... Computer graphics data coding apparatus, decoding apparatus,...

2008-03-04

2008-03-04

Nguyen, Phu K. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

C341S050000, C348S390100, C375S240000

Reexamination Certificate

active

11234289

ABSTRACT:
Computer graphics data coding apparatus includes unit configured to acquire computer graphics data items, unit configured to pre-process acquired computer graphics data items, controlling/coding unit configured to subject pre-processed computer graphics data items to process for controlling number of codes to be finally output, to generate codes, accumulation unit configured to accumulate parts to be subjected to entropy coding, which are contained in generated codes, calculation unit configured to calculate entropy information based on accumulated parts, and generate code words based on entropy information, entropy information indicating amount of entropy, entropy coding unit configured to subject generated codes to entropy coding based on generated code words, to generate entropy codes, extraction unit configured to extract, from entropy information, minimum information for decoding, extracted-information coding unit configured to code minimum information in order to reduce amount of minimum information, and output unit configured to output entropy codes and coded minimum information.

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Kiyoshi Arai, “Foundation of Information Compression Techniques”, Torikeps Corporation, No. 228, ISBN4-88657-228-6, Feb. 26, 2003, pp. 48-61 and 3 Cover Pages.

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