FR2231163A1 - - Google Patents

Info

Publication number
FR2231163A1
FR2231163A1 FR7417731A FR7417731A FR2231163A1 FR 2231163 A1 FR2231163 A1 FR 2231163A1 FR 7417731 A FR7417731 A FR 7417731A FR 7417731 A FR7417731 A FR 7417731A FR 2231163 A1 FR2231163 A1 FR 2231163A1
Authority
FR
France
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.)
Granted
Application number
FR7417731A
Other versions
FR2231163B3 (fr
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2231163A1 publication Critical patent/FR2231163A1/fr
Application granted granted Critical
Publication of FR2231163B3 publication Critical patent/FR2231163B3/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/93—Run-length coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7417731A 1973-05-25 1974-05-21 Expired FR2231163B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2326644A DE2326644C3 (de) 1973-05-25 1973-05-25 Verfahren zur Datenkompression von Nachrichtensignalen

Publications (2)

Publication Number Publication Date
FR2231163A1 true FR2231163A1 (fr) 1974-12-20
FR2231163B3 FR2231163B3 (fr) 1977-03-18

Family

ID=5882108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417731A Expired FR2231163B3 (fr) 1973-05-25 1974-05-21

Country Status (4)

Country Link
BE (1) BE815483A (fr)
DE (1) DE2326644C3 (fr)
FR (1) FR2231163B3 (fr)
NL (1) NL7406839A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005411A (en) * 1974-12-30 1977-01-25 International Business Machines Corporation Compression of gray scale imagery to less than one bit per picture element
JPS5658368A (en) * 1979-10-17 1981-05-21 Matsushita Electric Ind Co Ltd Band compressing method
DE3107655A1 (de) * 1981-02-27 1982-09-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zum auffinden und abgrenzen von textbereichen auf einer vorlage, die text-, graphik- und/oder bildbereiche enthalten kann

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2046974C3 (de) * 1970-09-24 1983-05-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Reduktion der Bandbreite von Nachrichtensignalen
DE2045392A1 (de) * 1970-09-15 1972-03-16 Licentia Gmbh Digitales Datenkompressionssystem für stark korrelierte Signale
US3689840A (en) * 1971-04-29 1972-09-05 Bell Telephone Labor Inc Coding of sign information in dpcm systems
US3716667A (en) * 1971-10-26 1973-02-13 Bell Telephone Labor Inc Apparatus for detecting the moving areas in a video signal

Also Published As

Publication number Publication date
BE815483A (fr) 1974-09-16
NL7406839A (fr) 1974-11-27
DE2326644C3 (de) 1981-10-01
DE2326644A1 (de) 1974-12-12
DE2326644B2 (de) 1980-12-11
FR2231163B3 (fr) 1977-03-18

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Legal Events

Date Code Title Description
ST Notification of lapse