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GB2306868B - Apparatus for decoding data - Google Patents

Apparatus for decoding data

Info

Publication number
GB2306868B
GB2306868B GB9624754A GB9624754A GB2306868B GB 2306868 B GB2306868 B GB 2306868B GB 9624754 A GB9624754 A GB 9624754A GB 9624754 A GB9624754 A GB 9624754A GB 2306868 B GB2306868 B GB 2306868B
Authority
GB
United Kingdom
Prior art keywords
decoding data
decoding
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9624754A
Other versions
GB2306868A (en
GB9624754D0 (en
Inventor
Edward L Schwartz
Michael Gormish
James D Allen
Martin Boliek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority claimed from GB9518375A external-priority patent/GB2293735B/en
Publication of GB9624754D0 publication Critical patent/GB9624754D0/en
Publication of GB2306868A publication Critical patent/GB2306868A/en
Application granted granted Critical
Publication of GB2306868B publication Critical patent/GB2306868B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB9624754A 1994-09-30 1995-09-07 Apparatus for decoding data Expired - Fee Related GB2306868B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31611694A 1994-09-30 1994-09-30
GB9518375A GB2293735B (en) 1994-09-30 1995-09-07 Method and apparatus for encoding data

Publications (3)

Publication Number Publication Date
GB9624754D0 GB9624754D0 (en) 1997-01-15
GB2306868A GB2306868A (en) 1997-05-07
GB2306868B true GB2306868B (en) 1997-10-22

Family

ID=26307711

Family Applications (4)

Application Number Title Priority Date Filing Date
GB9624358A Expired - Fee Related GB2306280B (en) 1994-09-30 1995-09-07 A coding system and entropy decoder
GB9624357A Expired - Fee Related GB2306279B (en) 1994-09-30 1995-09-07 Apparatus for decoding data
GB9624640A Expired - Fee Related GB2306281B (en) 1994-09-30 1995-09-07 nethod for decoding data
GB9624754A Expired - Fee Related GB2306868B (en) 1994-09-30 1995-09-07 Apparatus for decoding data

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB9624358A Expired - Fee Related GB2306280B (en) 1994-09-30 1995-09-07 A coding system and entropy decoder
GB9624357A Expired - Fee Related GB2306279B (en) 1994-09-30 1995-09-07 Apparatus for decoding data
GB9624640A Expired - Fee Related GB2306281B (en) 1994-09-30 1995-09-07 nethod for decoding data

Country Status (1)

Country Link
GB (4) GB2306280B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6222468B1 (en) * 1998-06-04 2001-04-24 Ricoh Company, Ltd. Adaptive coding with adaptive speed
GB2356508B (en) 1999-11-16 2004-03-17 Sony Uk Ltd Data processor and data processing method
US11113054B2 (en) 2013-09-10 2021-09-07 Oracle International Corporation Efficient hardware instructions for single instruction multiple data processors: fast fixed-length value compression
US9430390B2 (en) 2013-09-21 2016-08-30 Oracle International Corporation Core in-memory space and object management architecture in a traditional RDBMS supporting DW and OLTP applications
US10025822B2 (en) 2015-05-29 2018-07-17 Oracle International Corporation Optimizing execution plans for in-memory-aware joins
US10067954B2 (en) 2015-07-22 2018-09-04 Oracle International Corporation Use of dynamic dictionary encoding with an associated hash table to support many-to-many joins and aggregations
US10419772B2 (en) 2015-10-28 2019-09-17 Qualcomm Incorporated Parallel arithmetic coding techniques
US10402425B2 (en) 2016-03-18 2019-09-03 Oracle International Corporation Tuple encoding aware direct memory access engine for scratchpad enabled multi-core processors
US10061832B2 (en) 2016-11-28 2018-08-28 Oracle International Corporation Database tuple-encoding-aware data partitioning in a direct memory access engine
US10055358B2 (en) 2016-03-18 2018-08-21 Oracle International Corporation Run length encoding aware direct memory access filtering engine for scratchpad enabled multicore processors
US10061714B2 (en) 2016-03-18 2018-08-28 Oracle International Corporation Tuple encoding aware direct memory access engine for scratchpad enabled multicore processors
US10599488B2 (en) 2016-06-29 2020-03-24 Oracle International Corporation Multi-purpose events for notification and sequence control in multi-core processor systems
US10380058B2 (en) 2016-09-06 2019-08-13 Oracle International Corporation Processor core to coprocessor interface with FIFO semantics
US10783102B2 (en) 2016-10-11 2020-09-22 Oracle International Corporation Dynamically configurable high performance database-aware hash engine
US10459859B2 (en) 2016-11-28 2019-10-29 Oracle International Corporation Multicast copy ring for database direct memory access filtering engine
US10176114B2 (en) 2016-11-28 2019-01-08 Oracle International Corporation Row identification number generation in database direct memory access engine
US10725947B2 (en) 2016-11-29 2020-07-28 Oracle International Corporation Bit vector gather row count calculation and handling in direct memory access engine
CN116192154B (en) * 2023-04-28 2023-06-27 北京爱芯科技有限公司 Data compression and data decompression method and device, electronic equipment and chip

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381145A (en) * 1993-02-10 1995-01-10 Ricoh Corporation Method and apparatus for parallel decoding and encoding of data
GB2285374A (en) * 1993-12-23 1995-07-05 Ricoh Kk Parallel encoding and decoding of data

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1291820C (en) * 1986-09-15 1991-11-05 William B. Pennebaker Probability estimation based on decision history
CA1291821C (en) * 1986-09-15 1991-11-05 Glen G. Langdon, Jr. Arithmetic coding encoder and decoder system
KR960006827Y1 (en) * 1990-03-31 1996-08-08 엘지전자 주식회사 A multipurpose plat of a front panel
US5272478A (en) * 1992-08-17 1993-12-21 Ricoh Corporation Method and apparatus for entropy coding
US5475388A (en) * 1992-08-17 1995-12-12 Ricoh Corporation Method and apparatus for using finite state machines to perform channel modulation and error correction and entropy coding
JP3220598B2 (en) * 1994-08-31 2001-10-22 三菱電機株式会社 Variable length code table and variable length coding device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381145A (en) * 1993-02-10 1995-01-10 Ricoh Corporation Method and apparatus for parallel decoding and encoding of data
GB2285374A (en) * 1993-12-23 1995-07-05 Ricoh Kk Parallel encoding and decoding of data

Also Published As

Publication number Publication date
GB9624640D0 (en) 1997-01-15
GB2306281A (en) 1997-04-30
GB2306280A (en) 1997-04-30
GB2306868A (en) 1997-05-07
GB2306280B (en) 1997-10-22
GB2306279A (en) 1997-04-30
GB9624358D0 (en) 1997-01-08
GB9624754D0 (en) 1997-01-15
GB2306279B (en) 1997-10-22
GB9624357D0 (en) 1997-01-08
GB2306281B (en) 1997-10-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070907