SE454734B - Forfarande och anordning for sendning och mottagning vid variabel lengdkodning - Google Patents

Forfarande och anordning for sendning och mottagning vid variabel lengdkodning

Info

Publication number
SE454734B
SE454734B SE8700725A SE8700725A SE454734B SE 454734 B SE454734 B SE 454734B SE 8700725 A SE8700725 A SE 8700725A SE 8700725 A SE8700725 A SE 8700725A SE 454734 B SE454734 B SE 454734B
Authority
SE
Sweden
Prior art keywords
block
code tree
decoding
zero
coding
Prior art date
Application number
SE8700725A
Other languages
English (en)
Swedish (sv)
Other versions
SE8700725D0 (sv
Inventor
Harald Brusewitz
Original Assignee
Harald Brusewitz
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 Harald Brusewitz filed Critical Harald Brusewitz
Priority to SE8700725A priority Critical patent/SE454734B/sv
Publication of SE8700725D0 publication Critical patent/SE8700725D0/xx
Priority to AT88850048T priority patent/ATE110502T1/de
Priority to DE3851164T priority patent/DE3851164T2/de
Priority to EP88850048A priority patent/EP0279799B1/de
Priority to US07/156,683 priority patent/US4922510A/en
Publication of SE454734B publication Critical patent/SE454734B/sv

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
    • H03M7/42—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Vehicle Body Suspensions (AREA)
SE8700725A 1987-02-20 1987-02-20 Forfarande och anordning for sendning och mottagning vid variabel lengdkodning SE454734B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8700725A SE454734B (sv) 1987-02-20 1987-02-20 Forfarande och anordning for sendning och mottagning vid variabel lengdkodning
AT88850048T ATE110502T1 (de) 1987-02-20 1988-02-11 Verfahren und vorrichtung zur variablen längenkodierung.
DE3851164T DE3851164T2 (de) 1987-02-20 1988-02-11 Verfahren und Vorrichtung zur variablen Längenkodierung.
EP88850048A EP0279799B1 (de) 1987-02-20 1988-02-11 Verfahren und Vorrichtung zur variablen Längenkodierung
US07/156,683 US4922510A (en) 1987-02-20 1988-02-17 Method and means for variable length coding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8700725A SE454734B (sv) 1987-02-20 1987-02-20 Forfarande och anordning for sendning och mottagning vid variabel lengdkodning

Publications (2)

Publication Number Publication Date
SE8700725D0 SE8700725D0 (sv) 1987-02-20
SE454734B true SE454734B (sv) 1988-05-24

Family

ID=20367612

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8700725A SE454734B (sv) 1987-02-20 1987-02-20 Forfarande och anordning for sendning och mottagning vid variabel lengdkodning

Country Status (5)

Country Link
US (1) US4922510A (de)
EP (1) EP0279799B1 (de)
AT (1) ATE110502T1 (de)
DE (1) DE3851164T2 (de)
SE (1) SE454734B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
US5173787A (en) * 1990-03-07 1992-12-22 Fuji Photo Film Co., Ltd. Method for storing image signals
GB2268666B (en) * 1992-06-24 1996-03-20 Sony Broadcast & Communication Serial data decoding
GB2268667B (en) * 1992-06-24 1995-11-08 Sony Broadcast & Communication Serial data decoding
US5343195A (en) * 1992-12-18 1994-08-30 Thomson Consumer Electronics, Inc. Variable length codeword decoding apparatus
US5400075A (en) * 1993-01-13 1995-03-21 Thomson Consumer Electronics, Inc. Adaptive variable length encoder/decoder
CN1090409C (zh) * 1994-10-06 2002-09-04 皇家菲利浦电子有限公司 采用不同编码原理的传送系统
EP1802135A3 (de) * 1995-03-15 2008-11-12 Kabushiki Kaisha Toshiba Kodier- und/oder Dekodiersysteme für Bewegtbilder
US5648774A (en) * 1995-05-08 1997-07-15 Industrial Technology Research Institute Variable length coding with three-field codes
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
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
US6049040A (en) * 1997-09-17 2000-04-11 Biles; Scott Douglas Universal cable guide
WO2003063501A1 (en) * 2002-01-22 2003-07-31 Nokia Corporation Coding transform coefficients in image/video encoders and/or decoders
US7212681B1 (en) * 2003-01-15 2007-05-01 Cisco Technology, Inc. Extension of two-dimensional variable length coding for image compression
US7194137B2 (en) * 2003-05-16 2007-03-20 Cisco Technology, Inc. Variable length coding method and apparatus for video compression
KR100579417B1 (ko) * 2004-04-06 2006-05-12 (주)씨앤에스 테크놀로지 고속 영상압축장치
US7499596B2 (en) * 2004-08-18 2009-03-03 Cisco Technology, Inc. Amplitude coding for clustered transform coefficients
US7471841B2 (en) 2004-06-15 2008-12-30 Cisco Technology, Inc. Adaptive breakpoint for hybrid variable length coding
US7454073B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks
US7499595B2 (en) * 2004-08-18 2009-03-03 Cisco Technology, Inc. Joint amplitude and position coding for photographic image and video coding
US7471840B2 (en) * 2004-08-18 2008-12-30 Cisco Technology, Inc. Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression
US7492956B2 (en) * 2004-08-18 2009-02-17 Cisco Technology, Inc. Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding
US7454076B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Hybrid variable length coding method for low bit rate video coding
US7620258B2 (en) * 2004-08-18 2009-11-17 Cisco Technology, Inc. Extended amplitude coding for clustered transform coefficients
US7680349B2 (en) * 2004-08-18 2010-03-16 Cisco Technology, Inc. Variable length coding for clustered transform coefficients in video compression
US20060176953A1 (en) * 2005-02-04 2006-08-10 Nader Mohsenian Method and system for video encoding with rate control
US7242328B1 (en) * 2006-02-03 2007-07-10 Cisco Technology, Inc. Variable length coding for sparse coefficients

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125861A (en) * 1977-08-18 1978-11-14 Bell Telephone Laboratories, Incorporated Video signal encoding
US4541012A (en) * 1982-01-04 1985-09-10 Compression Labs, Inc. Video bandwidth reduction system employing interframe block differencing and transform domain coding
DE3276651D1 (en) * 1982-11-26 1987-07-30 Ibm Speech signal coding method and apparatus
JPS61107818A (ja) * 1984-10-30 1986-05-26 Nec Corp エントロピ−符号化方式とその装置

Also Published As

Publication number Publication date
EP0279799B1 (de) 1994-08-24
SE8700725D0 (sv) 1987-02-20
ATE110502T1 (de) 1994-09-15
DE3851164T2 (de) 1995-04-20
EP0279799A2 (de) 1988-08-24
EP0279799A3 (en) 1990-12-27
DE3851164D1 (de) 1994-09-29
US4922510A (en) 1990-05-01

Similar Documents

Publication Publication Date Title
SE454734B (sv) Forfarande och anordning for sendning och mottagning vid variabel lengdkodning
KR920011266A (ko) 디지탈 송수신 방법 및 장치
US4700175A (en) Data communication with modified Huffman coding
CA1056506A (en) Decoding circuit for variable length codes
Sayood et al. A constrained joint source/channel coder design
US20030076248A1 (en) System and method for transmitting and storing data using an enhanced encoding scheme
KR930003604A (ko) 트렐리스 코드화 큐에이엠(qam)을 이용하여 디지탈 데이터를 통신하기 위한 방법 및 그 장치
KR930022751A (ko) 송신기 장치, 수신기 장치 및 다단계 코드 변조 방법
KR940007546B1 (ko) 2진수 데이타를 코드워드로 엔코딩하는 방법 및 장치와 9비트 입력 코드워드를 8비트 출력 데이타 블럭으로 변환하는 디코더 장치
NO950190L (no) Fremgangsmåte og anordning for å formidle flernivås modulerte data ved bruk av sammenkjedet koding
US5694128A (en) Tree structured binary arithmetic coder
US4494151A (en) 4-Pixel run-length code for data compression
EP0083420B1 (de) Vollwortkodierung für Datenverarbeitung
EP0406507A1 (de) Blockkodierungsschema für die Übertragung von partiellen Bits
JP2977570B2 (ja) 可変長符号化方法および可変長復号方法を実施するための装置
JP3960629B2 (ja) 可変長符号器を使用する伝送システム
EP0145396A2 (de) Coderwörter-Decodierer
US5034741A (en) Variable length bit patterns for data representation
US5649074A (en) Raster image data compression method and system
KR100528139B1 (ko) 코드워드를 생성하는 방법 및 장치
Capocelli Flag encodings related to the zeckendorf representation of integers
KR20000047571A (ko) 데이터 디코딩을 위한 축소된 상태 디바이스 및 방법
JPH0250667B2 (de)
JPS62108663A (ja) エントロピ−符号化方式
KR0148152B1 (ko) 영상데이타의 적응가변장부호화 및 복호화방법과 그 장치

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8700725-8

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8700725-8

Format of ref document f/p: F