CA1208786A - Compression de donnees - Google Patents

Compression de donnees

Info

Publication number
CA1208786A
CA1208786A CA000413427A CA413427A CA1208786A CA 1208786 A CA1208786 A CA 1208786A CA 000413427 A CA000413427 A CA 000413427A CA 413427 A CA413427 A CA 413427A CA 1208786 A CA1208786 A CA 1208786A
Authority
CA
Canada
Prior art keywords
codewords
source
stream
source characters
characters
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
Application number
CA000413427A
Other languages
English (en)
Inventor
Steven G. Finn
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.)
Motorola Solutions Inc
Original Assignee
Codex Corp
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 Codex Corp filed Critical Codex Corp
Application granted granted Critical
Publication of CA1208786A publication Critical patent/CA1208786A/fr
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA000413427A 1981-10-15 1982-10-14 Compression de donnees Expired CA1208786A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31174481A 1981-10-15 1981-10-15
US311,744 1981-10-15

Publications (1)

Publication Number Publication Date
CA1208786A true CA1208786A (fr) 1986-07-29

Family

ID=23208261

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000413427A Expired CA1208786A (fr) 1981-10-15 1982-10-14 Compression de donnees

Country Status (2)

Country Link
JP (1) JPS58127241A (fr)
CA (1) CA1208786A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926482A (en) * 1987-06-26 1990-05-15 Unisys Corp. Apparatus and method for real time data compressor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49107461A (fr) * 1973-02-14 1974-10-12
US4122440A (en) * 1977-03-04 1978-10-24 International Business Machines Corporation Method and means for arithmetic string coding

Also Published As

Publication number Publication date
JPS58127241A (ja) 1983-07-29
JPH0254701B2 (fr) 1990-11-22

Similar Documents

Publication Publication Date Title
US4560976A (en) Data compression
US4099257A (en) Markov processor for context encoding from given characters and for character decoding from given contexts
US4562423A (en) Data compression
US3594560A (en) Digital expandor circuit
US4591829A (en) Run length code decoder
US5761741A (en) Technique for addressing a partial word and concurrently providing a substitution field
JPH0490268A (ja) 画像信号復号化方式
GB1594521A (en) Facsimile encoding communication system
GB2152253A (en) Data compression
CA1208786A (fr) Compression de donnees
GB2074766A (en) Microprogram control system
ATE361631T1 (de) Präzisionsverbesserung durch einsatz von transformationskoeffizientbitebenen
JPS6338153B2 (fr)
EP0647034B1 (fr) Procédé pour décoder un code de mot à longueur variable et décodeur pour la mise en oeuvre de ce proccédé.
CA1208787A (fr) Compression de donnees
EP0683569B1 (fr) Circuit de décodage pour codes à longueur variable
US5699544A (en) Method and apparatus for using a fixed width word for addressing variable width data
JPH02186836A (ja) ベクトル量子化器
JP3229690B2 (ja) 可変長符号復号器
KR970006633B1 (ko) 가변길이 복호기용 데이타 출력장치
US5625786A (en) Microprogram memory output circuit for selectively outputting fields of microinstruction word to a plurality of data terminals
KR20010058369A (ko) 코드길이에 따른 허프만 코드 복호장치 및 방법
JPH02218224A (ja) データ転送方法
JPS5936779B2 (ja) 文字パタ−ンデ−タ伝送方式
JPH0644039A (ja) 可変長符号復号化装置

Legal Events

Date Code Title Description
MKEX Expiry