DE68907812D1 - Verfahren und vorrichtung zur kodierung, dekodierung und uebertragung von daten in komprimierter form. - Google Patents

Verfahren und vorrichtung zur kodierung, dekodierung und uebertragung von daten in komprimierter form.

Info

Publication number
DE68907812D1
DE68907812D1 DE8989306808T DE68907812T DE68907812D1 DE 68907812 D1 DE68907812 D1 DE 68907812D1 DE 8989306808 T DE8989306808 T DE 8989306808T DE 68907812 T DE68907812 T DE 68907812T DE 68907812 D1 DE68907812 D1 DE 68907812D1
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DE
Germany
Prior art keywords
pointers
symbols
sequence
symbol
decoding
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
DE8989306808T
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English (en)
Other versions
DE68907812T2 (de
Inventor
Alan Douglas Clark
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10639895&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68907812(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE68907812D1 publication Critical patent/DE68907812D1/de
Publication of DE68907812T2 publication Critical patent/DE68907812T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • H03M7/3088—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing the use of a dictionary, e.g. LZ78
DE89306808T 1988-07-05 1989-07-04 Verfahren und Vorrichtung zur Kodierung, Dekodierung und Übertragung von Daten in komprimierter Form. Expired - Lifetime DE68907812T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888815978A GB8815978D0 (en) 1988-07-05 1988-07-05 Method & apparatus for encoding decoding & transmitting data in compressed form

Publications (2)

Publication Number Publication Date
DE68907812D1 true DE68907812D1 (de) 1993-09-02
DE68907812T2 DE68907812T2 (de) 1993-11-18

Family

ID=10639895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89306808T Expired - Lifetime DE68907812T2 (de) 1988-07-05 1989-07-04 Verfahren und Vorrichtung zur Kodierung, Dekodierung und Übertragung von Daten in komprimierter Form.

Country Status (11)

Country Link
US (1) US5153591A (de)
EP (1) EP0350281B1 (de)
JP (1) JP3006766B2 (de)
AT (1) ATE92224T1 (de)
AU (1) AU626317B2 (de)
CA (1) CA1330838C (de)
DE (1) DE68907812T2 (de)
ES (1) ES2041997T3 (de)
GB (1) GB8815978D0 (de)
HK (1) HK130194A (de)
WO (1) WO1990000837A1 (de)

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Also Published As

Publication number Publication date
JPH04500571A (ja) 1992-01-30
HK130194A (en) 1994-12-02
AU626317B2 (en) 1992-07-30
EP0350281A1 (de) 1990-01-10
DE68907812T2 (de) 1993-11-18
GB8815978D0 (en) 1988-08-10
AU4037089A (en) 1990-02-05
JP3006766B2 (ja) 2000-02-07
WO1990000837A1 (en) 1990-01-25
US5153591A (en) 1992-10-06
CA1330838C (en) 1994-07-19
EP0350281B1 (de) 1993-07-28
ES2041997T3 (es) 1993-12-01
ATE92224T1 (de) 1993-08-15

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