GB9518375D0 - Method and apparatus for encoding and decoding data - Google Patents

Method and apparatus for encoding and decoding data

Info

Publication number
GB9518375D0
GB9518375D0 GBGB9518375.2A GB9518375A GB9518375D0 GB 9518375 D0 GB9518375 D0 GB 9518375D0 GB 9518375 A GB9518375 A GB 9518375A GB 9518375 D0 GB9518375 D0 GB 9518375D0
Authority
GB
United Kingdom
Prior art keywords
encoding
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.)
Granted
Application number
GBGB9518375.2A
Other versions
GB2293735A (en
GB2293735B (en
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 to GB9624754A priority Critical patent/GB2306868B/en
Priority to GB9624357A priority patent/GB2306279B/en
Priority to GB9624358A priority patent/GB2306280B/en
Priority to GB9624640A priority patent/GB2306281B/en
Publication of GB9518375D0 publication Critical patent/GB9518375D0/en
Publication of GB2293735A publication Critical patent/GB2293735A/en
Application granted granted Critical
Publication of GB2293735B publication Critical patent/GB2293735B/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
    • 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)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
GB9518375A 1994-09-30 1995-09-07 Method and apparatus for encoding data Expired - Fee Related GB2293735B (en)

Priority Applications (4)

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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31611694A 1994-09-30 1994-09-30

Publications (3)

Publication Number Publication Date
GB9518375D0 true GB9518375D0 (en) 1995-11-08
GB2293735A GB2293735A (en) 1996-04-03
GB2293735B GB2293735B (en) 1997-10-22

Family

ID=23227538

Family Applications (1)

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

Country Status (10)

Country Link
JP (1) JP3272580B2 (en)
KR (1) KR100240372B1 (en)
CN (1) CN1136659C (en)
CA (1) CA2156889C (en)
DE (1) DE19536401B4 (en)
FR (1) FR2725330B1 (en)
GB (1) GB2293735B (en)
NL (1) NL1001317C2 (en)
RU (1) RU2117388C1 (en)
TW (1) TW410311B (en)

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US6222468B1 (en) * 1998-06-04 2001-04-24 Ricoh Company, Ltd. Adaptive coding with adaptive speed
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US7395490B2 (en) * 2004-07-21 2008-07-01 Qualcomm Incorporated LDPC decoding methods and apparatus
US7991610B2 (en) 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
US7788106B2 (en) 2005-04-13 2010-08-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding with compact codebooks
KR100818268B1 (en) * 2005-04-14 2008-04-02 삼성전자주식회사 Apparatus and method for audio encoding/decoding with scalability
US7716551B2 (en) * 2005-12-07 2010-05-11 Microsoft Corporation Feedback and frame synchronization between media encoders and decoders
KR100717587B1 (en) * 2006-07-05 2007-05-15 주식회사 대우일렉트로닉스 Method and apparatus for detecting optical information and optical information processing apparatus
US8325819B2 (en) 2006-10-12 2012-12-04 Qualcomm Incorporated Variable length coding table selection based on video block type for refinement coefficient coding
US9319700B2 (en) 2006-10-12 2016-04-19 Qualcomm Incorporated Refinement coefficient coding based on history of corresponding transform coefficient values
US8599926B2 (en) 2006-10-12 2013-12-03 Qualcomm Incorporated Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers
US8565314B2 (en) 2006-10-12 2013-10-22 Qualcomm Incorporated Variable length coding table selection based on block type statistics for refinement coefficient coding
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CN101247496B (en) * 2007-02-13 2012-10-10 华晶科技股份有限公司 Method for dynamically regulating image frame
KR100842042B1 (en) 2007-07-16 2008-06-30 충남대학교산학협력단 A method for code-blocks encryption which enables dynamic decryption of encrypted executable code
RU2493651C2 (en) * 2008-07-11 2013-09-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Method of encoding symbols, method of decoding symbols, method of transmitting symbols from transmitter to receiver, encoder, decoder and system for transmitting symbols from transmitter to receiver
CN104270635B (en) * 2009-05-29 2018-12-11 三菱电机株式会社 Picture decoding apparatus and picture decoding method
CN102055483B (en) * 2009-10-29 2013-05-08 鸿富锦精密工业（深圳）有限公司 Entropy decoding device
KR101631944B1 (en) 2009-10-30 2016-06-20 삼성전자주식회사 Method and apparatus for entropy encoding and entropy decoding for accelarting video decoding
EP2362657B1 (en) * 2010-02-18 2013-04-24 Research In Motion Limited Parallel entropy coding and decoding methods and devices
US8769686B2 (en) 2010-02-26 2014-07-01 Futurewei Technologies, Inc. System and method for securing wireless transmissions
CN103119849B (en) * 2010-04-13 2017-06-16 弗劳恩霍夫应用研究促进协会 Probability interval partition encoding device and decoder
CA2799763A1 (en) * 2010-07-13 2012-01-19 Research In Motion Limited Methods and devices for data compression using context-based coding order
KR101676477B1 (en) * 2010-07-21 2016-11-15 삼성전자주식회사 Method and apparatus lossless encoding and decoding based on context
US8650456B2 (en) * 2010-09-08 2014-02-11 Marvell World Trade Ltd. Decoder based data recovery
US8913666B2 (en) * 2010-10-01 2014-12-16 Qualcomm Incorporated Entropy coding coefficients using a joint context model
CN102457284B (en) * 2010-10-29 2014-09-03 池勇潮 Digital data compression/decompression method and system
JP5570437B2 (en) * 2011-01-12 2014-08-13 三菱電機株式会社 Entropy encoding device, entropy decoding device, entropy encoding method, and entropy decoding method
KR102588145B1 (en) 2011-01-14 2023-10-12 지이 비디오 컴프레션, 엘엘씨 Entropy encoding and decoding scheme
US8995523B2 (en) * 2011-06-03 2015-03-31 Qualcomm Incorporated Memory efficient context modeling
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JP2013214832A (en) * 2012-03-30 2013-10-17 Fujitsu Ltd Compression and decompression system, compression device, decompression device, compression and decompression method, and compression program and decompression program
RU2608464C2 (en) * 2012-09-28 2017-01-18 Телефонактиеболагет Лм Эрикссон (Пабл) Device, method and network server for detecting data structures in data stream
US9990202B2 (en) 2013-06-28 2018-06-05 Intel Corporation Packed data element predication processors, methods, systems, and instructions
US9516345B2 (en) 2014-03-17 2016-12-06 Qualcomm Incorporated Systems and methods for low complexity forward transforms using mesh-based calculations
US9432696B2 (en) 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
CN105828083A (en) * 2015-01-06 2016-08-03 中兴通讯股份有限公司 Method and device for decoding data streams
GB2539239B (en) * 2015-06-10 2017-10-04 Gurulogic Microsystems Oy Encoders, decoders and methods utilizing mode symbols
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CN109075806B (en) * 2016-05-13 2023-07-18 英特尔公司 Polarization code construction and coding
JP7027706B2 (en) * 2017-06-15 2022-03-02 ソニーグループ株式会社 Transmitter, receiver, transmission method, reception method and recording medium
CN107623524B (en) * 2017-07-01 2020-07-31 中山大学 Hardware-based Huffman coding method and system
CN111384963B (en) * 2018-12-28 2022-07-12 上海寒武纪信息科技有限公司 Data compression/decompression device and data decompression method
US11139827B2 (en) 2019-03-15 2021-10-05 Samsung Electronics Co., Ltd. Conditional transcoding for encoded data
TWI825305B (en) * 2019-04-16 2023-12-11 南韓商三星電子股份有限公司 Transcoder and method and article for transcoding
CN110635807B (en) * 2019-08-05 2022-10-21 湖南遥昇通信技术有限公司 Data coding method and decoding method
US11146433B2 (en) * 2020-03-11 2021-10-12 Nxp B.V. High data rate transmission using minimum energy coding with ultra wide band modulation
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Also Published As

Publication number Publication date
GB2293735A (en) 1996-04-03
DE19536401B4 (en) 2006-07-20
KR100240372B1 (en) 2000-01-15
FR2725330A1 (en) 1996-04-05
CN1133512A (en) 1996-10-16
NL1001317C2 (en) 1998-01-21
TW410311B (en) 2000-11-01
FR2725330B1 (en) 1999-01-22
CA2156889A1 (en) 1996-03-31
NL1001317A1 (en) 1996-04-01
CN1136659C (en) 2004-01-28
KR960012741A (en) 1996-04-20
CA2156889C (en) 1999-11-02
RU2117388C1 (en) 1998-08-10
DE19536401A1 (en) 1996-04-04
JPH08116266A (en) 1996-05-07
JP3272580B2 (en) 2002-04-08
GB2293735B (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: 20130907