JPS5242014A - Run length code processing method for facsimile signal - Google Patents

Run length code processing method for facsimile signal

Info

Publication number
JPS5242014A
JPS5242014A JP50117394A JP11739475A JPS5242014A JP S5242014 A JPS5242014 A JP S5242014A JP 50117394 A JP50117394 A JP 50117394A JP 11739475 A JP11739475 A JP 11739475A JP S5242014 A JPS5242014 A JP S5242014A
Authority
JP
Japan
Prior art keywords
run length
length code
processing method
code processing
facsimile signal
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.)
Pending
Application number
JP50117394A
Other languages
English (en)
Inventor
Eiichiro Furuta
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP50117394A priority Critical patent/JPS5242014A/ja
Priority to US05/726,865 priority patent/US4056828A/en
Priority to CA262,242A priority patent/CA1089087A/en
Publication of JPS5242014A publication Critical patent/JPS5242014A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/4135—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
JP50117394A 1975-09-29 1975-09-29 Run length code processing method for facsimile signal Pending JPS5242014A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50117394A JPS5242014A (en) 1975-09-29 1975-09-29 Run length code processing method for facsimile signal
US05/726,865 US4056828A (en) 1975-09-29 1976-09-27 Run length encoding and decoding methods and means
CA262,242A CA1089087A (en) 1975-09-29 1976-09-28 Run length encoding and decoding methods and means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50117394A JPS5242014A (en) 1975-09-29 1975-09-29 Run length code processing method for facsimile signal

Publications (1)

Publication Number Publication Date
JPS5242014A true JPS5242014A (en) 1977-04-01

Family

ID=14710554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50117394A Pending JPS5242014A (en) 1975-09-29 1975-09-29 Run length code processing method for facsimile signal

Country Status (3)

Country Link
US (1) US4056828A (ja)
JP (1) JPS5242014A (ja)
CA (1) CA1089087A (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819185B2 (ja) * 1976-10-29 1983-04-16 沖電気工業株式会社 情報圧縮フアクシミリ装置
US4118791A (en) * 1977-04-25 1978-10-03 Norlin Music, Inc. Multi-level encoding system
DE3061481D1 (en) * 1979-04-17 1983-02-03 Marconi Avionics Data transmission systems
US4316222A (en) * 1979-12-07 1982-02-16 Ncr Canada Ltd. - Ncr Canada Ltee Method and apparatus for compression and decompression of digital image data
JPS5821422B2 (ja) * 1980-12-26 1983-04-30 株式会社東芝 荷電ビ−ム露光装置
US4399467A (en) * 1981-10-13 1983-08-16 Ncr Canada Ltd. Method and apparatus for image data compression and decompression
US7003046B2 (en) * 2000-12-28 2006-02-21 Victor Company Of Japan, Ltd. Modulation system
CN115622570B (zh) * 2022-12-14 2023-02-21 山东融汇通达网络科技有限公司 一种数据高效存储方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233236A (en) * 1961-06-28 1966-02-01 Lear Siegler Inc System for bandwidth compression of binary signals
US3337864A (en) * 1963-08-01 1967-08-22 Automatic Elect Lab Duobinary conversion, reconversion and error detection
US3502806A (en) * 1966-08-01 1970-03-24 Xerox Corp Modified run length data reduction system
US3847732A (en) * 1970-01-29 1974-11-12 Xerox Corp Semi-encoded facsimile transmission

Also Published As

Publication number Publication date
CA1089087A (en) 1980-11-04
US4056828A (en) 1977-11-01

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