DE69621917T2 - Dekoder für variable längenkodierte daten mit multi-codebuch - Google Patents

Dekoder für variable längenkodierte daten mit multi-codebuch

Info

Publication number
DE69621917T2
DE69621917T2 DE69621917T DE69621917T DE69621917T2 DE 69621917 T2 DE69621917 T2 DE 69621917T2 DE 69621917 T DE69621917 T DE 69621917T DE 69621917 T DE69621917 T DE 69621917T DE 69621917 T2 DE69621917 T2 DE 69621917T2
Authority
DE
Germany
Prior art keywords
codebook
decoder
variable length
coded data
coded
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 - Lifetime
Application number
DE69621917T
Other languages
English (en)
Other versions
DE69621917D1 (de
Inventor
Michael Bakmutsky
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69621917D1 publication Critical patent/DE69621917D1/de
Application granted granted Critical
Publication of DE69621917T2 publication Critical patent/DE69621917T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • H03M7/425—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory for the decoding process only
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/10—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69621917T 1995-12-28 1996-12-05 Dekoder für variable längenkodierte daten mit multi-codebuch Expired - Lifetime DE69621917T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/580,404 US5686916A (en) 1995-12-28 1995-12-28 Multi-code-book variable length decoder
PCT/IB1996/001362 WO1997024808A1 (en) 1995-12-28 1996-12-05 Multi-code-book variable length decoder

Publications (2)

Publication Number Publication Date
DE69621917D1 DE69621917D1 (de) 2002-07-25
DE69621917T2 true DE69621917T2 (de) 2003-03-13

Family

ID=24320964

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69621917T Expired - Lifetime DE69621917T2 (de) 1995-12-28 1996-12-05 Dekoder für variable längenkodierte daten mit multi-codebuch

Country Status (6)

Country Link
US (1) US5686916A (de)
EP (1) EP0812493B1 (de)
JP (1) JP3817268B2 (de)
KR (1) KR100462261B1 (de)
DE (1) DE69621917T2 (de)
WO (1) WO1997024808A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963260A (en) * 1997-03-18 1999-10-05 U.S. Philips Electronics North America Corporation Macroblock-level partitioned HDTV video decoder and related method
US6246347B1 (en) * 1997-10-27 2001-06-12 Philips Electronics North America Corporation Controller for a variable length decoder
US6624761B2 (en) 1998-12-11 2003-09-23 Realtime Data, Llc Content independent data compression method and system
US6215424B1 (en) 1998-12-16 2001-04-10 Thomson Licensing S.A. System for variable length codeword processing suitable for video and other applications
US6604158B1 (en) 1999-03-11 2003-08-05 Realtime Data, Llc System and methods for accelerated data storage and retrieval
US6601104B1 (en) 1999-03-11 2003-07-29 Realtime Data Llc System and methods for accelerated data storage and retrieval
US6498571B2 (en) 1999-12-09 2002-12-24 Luxxon Corporation Multiple stream variable length encoder and decoder
US6748457B2 (en) 2000-02-03 2004-06-08 Realtime Data, Llc Data storewidth accelerator
JP2002050996A (ja) * 2000-07-31 2002-02-15 Sony Corp 整数倍相互関係を有するブロック長を用いて符号化された信号を通信伝送路を介して送信する通信システム
US9143546B2 (en) 2000-10-03 2015-09-22 Realtime Data Llc System and method for data feed acceleration and encryption
US8692695B2 (en) 2000-10-03 2014-04-08 Realtime Data, Llc Methods for encoding and decoding data
US7417568B2 (en) * 2000-10-03 2008-08-26 Realtime Data Llc System and method for data feed acceleration and encryption
US7386046B2 (en) 2001-02-13 2008-06-10 Realtime Data Llc Bandwidth sensitive data compression and decompression
US8588291B2 (en) * 2003-09-22 2013-11-19 Broadcom Corporation Multiple decode user interface
US7706777B2 (en) * 2003-09-23 2010-04-27 Broadcom Corporation Secure user interface in a shared resource environment
CN100484245C (zh) * 2004-09-29 2009-04-29 华为技术有限公司 一种变长码编解码方法
US7623049B2 (en) * 2006-06-08 2009-11-24 Via Technologies, Inc. Decoding of context adaptive variable length codes in computational core of programmable graphics processing unit
US7626521B2 (en) * 2006-06-08 2009-12-01 Via Technologies, Inc. Decoding control of computational core of programmable graphics processing unit
US8013765B1 (en) * 2008-05-01 2011-09-06 Cavium, Inc. Modular scaleable processing engine for accelerating variable length coding
US9716515B2 (en) 2015-12-14 2017-07-25 International Business Machines Corporation Method for detecting end of record in variable length coded bit stream
US10917110B1 (en) * 2019-09-02 2021-02-09 Ati Technologies Ulc Multiple symbol decoder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918047A (en) * 1974-03-28 1975-11-04 Bell Telephone Labor Inc Decoding circuit for variable length codes
JPS5411614A (en) * 1977-06-27 1979-01-27 Nec Corp Code conversion unit for digital signal
US5173695A (en) * 1990-06-29 1992-12-22 Bell Communications Research, Inc. High-speed flexible variable-length-code decoder
US5363097A (en) * 1992-09-14 1994-11-08 Industrial Technology Research Institute Direct sequential-bit variable length decoder
JP3136796B2 (ja) * 1992-09-24 2001-02-19 ソニー株式会社 可変長符号デコーダ
JP3190755B2 (ja) * 1993-01-22 2001-07-23 株式会社東芝 復号装置
US5424733A (en) * 1993-02-17 1995-06-13 Zenith Electronics Corp. Parallel path variable length decoding for video signals
EP0614317A3 (de) * 1993-03-05 1995-01-25 Sony Corp Dekodierung von Videosignalen.
EP0631440A3 (de) * 1993-06-23 1995-02-22 Daewoo Electronics Co Ltd Einrichtung zur parallelen Dekodierung von mit variabler Länge kodierten Bildsignalen.
US5491480A (en) * 1994-05-25 1996-02-13 Industrial Technology Research Institute Variable length decoder using serial and parallel processing
US5572208A (en) * 1994-07-29 1996-11-05 Industrial Technology Research Institute Apparatus and method for multi-layered decoding of variable length codes

Also Published As

Publication number Publication date
WO1997024808A1 (en) 1997-07-10
KR100462261B1 (ko) 2005-04-08
EP0812493B1 (de) 2002-06-19
EP0812493A1 (de) 1997-12-17
JP3817268B2 (ja) 2006-09-06
DE69621917D1 (de) 2002-07-25
JPH11501485A (ja) 1999-02-02
US5686916A (en) 1997-11-11
KR19980702580A (ko) 1998-07-15

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