SE448045B - Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforing - Google Patents

Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforing

Info

Publication number
SE448045B
SE448045B SE8007257A SE8007257A SE448045B SE 448045 B SE448045 B SE 448045B SE 8007257 A SE8007257 A SE 8007257A SE 8007257 A SE8007257 A SE 8007257A SE 448045 B SE448045 B SE 448045B
Authority
SE
Sweden
Prior art keywords
predicted
pixel
pixels
picture element
prediction
Prior art date
Application number
SE8007257A
Other languages
English (en)
Swedish (sv)
Other versions
SE8007257L (sv
Inventor
A Tanaka
K Sannomiya
H Kotera
K Yoshida
Y Uno
H Miwa
Original Assignee
Matsushita Electric Industrial Co Ltd
Matsushita Graphic Communic
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 Matsushita Electric Industrial Co Ltd, Matsushita Graphic Communic filed Critical Matsushita Electric Industrial Co Ltd
Publication of SE8007257L publication Critical patent/SE8007257L/
Publication of SE448045B publication Critical patent/SE448045B/sv

Links

Classifications

    • 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
    • H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
SE8007257A 1979-10-17 1980-10-16 Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforing SE448045B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13459579A JPS5658368A (en) 1979-10-17 1979-10-17 Band compressing method

Publications (2)

Publication Number Publication Date
SE8007257L SE8007257L (sv) 1981-04-18
SE448045B true SE448045B (sv) 1987-01-12

Family

ID=15132053

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8007257A SE448045B (sv) 1979-10-17 1980-10-16 Sett att utfora signalbandkompression, isynnerhet vid faksimiloverforing

Country Status (4)

Country Link
US (1) US4470072A (enExample)
JP (1) JPS5658368A (enExample)
DE (1) DE3038953C2 (enExample)
SE (1) SE448045B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700234A (en) * 1983-08-30 1987-10-13 Canon Kabushiki Kaisha Image processing system
US4633325A (en) * 1983-09-01 1986-12-30 Nec Corporation Adaptive predictive encoding and/or decoding apparatus
JPS60148279A (ja) * 1983-12-28 1985-08-05 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 画像処理システム
US4633490A (en) * 1984-03-15 1986-12-30 International Business Machines Corporation Symmetrical optimized adaptive data compression/transfer/decompression system
JPH0783427B2 (ja) * 1984-04-03 1995-09-06 キヤノン株式会社 画像伝送方法
US4719642A (en) * 1985-02-27 1988-01-12 Scientific Atlanta, Inc. Error detection and concealment using predicted signal values
US4717956A (en) * 1985-08-20 1988-01-05 North Carolina State University Image-sequence compression using a motion-compensation technique
EP0238254B1 (en) * 1986-03-20 1992-05-27 AT&T Corp. Data compression using block list transform
DE69521191T2 (de) * 1994-12-16 2001-10-31 Canon K.K., Tokio/Tokyo Kodier- und Dekodiervorrichtung und -verfahren
JP3694999B2 (ja) * 1996-08-07 2005-09-14 富士ゼロックス株式会社 画像符号化装置および画像復号装置ならびにそれらの方法
JPH1093827A (ja) * 1996-09-11 1998-04-10 Canon Inc 画像処理方法とその装置
JP4993676B2 (ja) * 2006-09-01 2012-08-08 キヤノン株式会社 画像符号化装置及び画像符号化方法
US8571306B2 (en) * 2011-08-10 2013-10-29 Qualcomm Incorporated Coding of feature location information

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937871A (en) * 1973-03-26 1976-02-10 International Publishing Corporation Limited Code communication
DE2326644C3 (de) * 1973-05-25 1981-10-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Datenkompression von Nachrichtensignalen
GB1443651A (en) * 1973-05-30 1976-07-21 Ibm System for compacting digital data
DE2416728C2 (de) * 1974-04-05 1984-02-16 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur Übertragung von zweiwertigen Bildsignalen
GB2016872B (en) * 1978-02-23 1982-08-25 Nippon Electric Co Digital facsimile transmission system for screened pictures
JPS54120521A (en) * 1978-03-11 1979-09-19 Ricoh Co Ltd Data compression system
US4213154A (en) * 1978-08-03 1980-07-15 Mitsubishi Denki Kabushiki Kaisha Facsimile communication system

Also Published As

Publication number Publication date
SE8007257L (sv) 1981-04-18
JPS5658368A (en) 1981-05-21
DE3038953A1 (de) 1981-04-30
DE3038953C2 (de) 1983-08-18
US4470072A (en) 1984-09-04
JPS6348227B2 (enExample) 1988-09-28

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