JP6569949B2 - データ復号のための装置および方法 - Google Patents

データ復号のための装置および方法 Download PDF

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Publication number
JP6569949B2
JP6569949B2 JP2016056296A JP2016056296A JP6569949B2 JP 6569949 B2 JP6569949 B2 JP 6569949B2 JP 2016056296 A JP2016056296 A JP 2016056296A JP 2016056296 A JP2016056296 A JP 2016056296A JP 6569949 B2 JP6569949 B2 JP 6569949B2
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JP
Japan
Prior art keywords
codeword
entropy encoding
run
data stream
lookup table
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
JP2016056296A
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English (en)
Japanese (ja)
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JP2016178639A (ja
JP2016178639A5 (https=
Inventor
スー ドンペイ
スー ドンペイ
エー シュミット ケネス
エー シュミット ケネス
グェン ドー ティエン−フック
グェン ドー ティエン−フック
リー シェン
リー シェン
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.)
Kyocera Document Solutions Inc
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Kyocera Document Solutions Inc
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Publication date
Application filed by Kyocera Document Solutions Inc filed Critical Kyocera Document Solutions Inc
Publication of JP2016178639A publication Critical patent/JP2016178639A/ja
Publication of JP2016178639A5 publication Critical patent/JP2016178639A5/ja
Application granted granted Critical
Publication of JP6569949B2 publication Critical patent/JP6569949B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/4115—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures involving the recognition of specific patterns, e.g. by symbol matching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0094—Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP2016056296A 2015-03-20 2016-03-18 データ復号のための装置および方法 Expired - Fee Related JP6569949B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/664335 2015-03-20
US14/664,335 US9538044B2 (en) 2015-03-20 2015-03-20 Apparatus and method for data decoding

Publications (3)

Publication Number Publication Date
JP2016178639A JP2016178639A (ja) 2016-10-06
JP2016178639A5 JP2016178639A5 (https=) 2019-05-09
JP6569949B2 true JP6569949B2 (ja) 2019-09-04

Family

ID=56974476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016056296A Expired - Fee Related JP6569949B2 (ja) 2015-03-20 2016-03-18 データ復号のための装置および方法

Country Status (3)

Country Link
US (1) US9538044B2 (https=)
JP (1) JP6569949B2 (https=)
CN (1) CN105991895B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10387888B2 (en) * 2016-07-08 2019-08-20 Asapp, Inc. Assisting entities in responding to a request of a user
US10083451B2 (en) 2016-07-08 2018-09-25 Asapp, Inc. Using semantic processing for customer support
US10728555B1 (en) 2019-02-06 2020-07-28 Sony Corporation Embedded codec (EBC) circuitry for position dependent entropy coding of residual level data

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5654806A (en) * 1996-05-06 1997-08-05 Xerox Corporation Code manipulation for a high speed JPEG decoder
JP3235555B2 (ja) * 1997-05-14 2001-12-04 日本電気株式会社 信号復号装置及び信号復号方法並びに信号復号処理をコンピュータに行わせるためのプログラムを記録した記録媒体
JP3189876B2 (ja) * 1997-06-09 2001-07-16 日本電気株式会社 可変長符号復号化回路
JPH11284864A (ja) * 1998-03-27 1999-10-15 Fuji Xerox Co Ltd 画像復号装置
US6215424B1 (en) * 1998-12-16 2001-04-10 Thomson Licensing S.A. System for variable length codeword processing suitable for video and other applications
GB0004427D0 (en) * 2000-02-24 2000-04-12 Xeikon Nv Cleaning device
JP4013680B2 (ja) * 2002-07-19 2007-11-28 富士ゼロックス株式会社 復号装置および復号方法
US20060235683A1 (en) * 2005-04-13 2006-10-19 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Lossless encoding of information with guaranteed maximum bitrate
US8457419B2 (en) * 2007-04-13 2013-06-04 Research In Motion Limited Method of decoding entropy-encoded data
KR101539240B1 (ko) * 2007-06-14 2015-07-30 삼성전자주식회사 영상 데이터의 엔트로피 부호화, 복호화 방법 및 장치
US8406307B2 (en) * 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
JP2011238301A (ja) * 2010-05-06 2011-11-24 Sony Corp 符号化装置、符号化方法、記録装置、記録方法、光記録媒体、復号装置、復号方法
JP2012060376A (ja) * 2010-09-08 2012-03-22 Olympus Corp データ圧縮装置、データ復号装置、データ圧縮方法、データ復号方法およびデータ圧縮および復号システム
GB2530312B (en) * 2014-09-19 2016-09-14 Imagination Tech Ltd Data compression

Also Published As

Publication number Publication date
US9538044B2 (en) 2017-01-03
CN105991895B (zh) 2019-01-01
CN105991895A (zh) 2016-10-05
JP2016178639A (ja) 2016-10-06
US20160286083A1 (en) 2016-09-29

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