JPH034153B2 - - Google Patents

Info

Publication number
JPH034153B2
JPH034153B2 JP58235023A JP23502383A JPH034153B2 JP H034153 B2 JPH034153 B2 JP H034153B2 JP 58235023 A JP58235023 A JP 58235023A JP 23502383 A JP23502383 A JP 23502383A JP H034153 B2 JPH034153 B2 JP H034153B2
Authority
JP
Japan
Prior art keywords
encoding
mode
pixels
pixel
memory
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
JP58235023A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60127875A (ja
Inventor
Toshiaki Endo
Yasuhiro Yamazaki
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP58235023A priority Critical patent/JPS60127875A/ja
Priority to US06/680,298 priority patent/US4630124A/en
Priority to GB08431702A priority patent/GB2151432B/en
Publication of JPS60127875A publication Critical patent/JPS60127875A/ja
Publication of JPH034153B2 publication Critical patent/JPH034153B2/ja
Granted legal-status Critical Current

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
    • H04N1/4172—Progressive encoding, i.e. by decomposition into high and low resolution components
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP58235023A 1983-12-15 1983-12-15 ２値画像の符号化方式 Granted JPS60127875A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58235023A JPS60127875A (ja) 1983-12-15 1983-12-15 ２値画像の符号化方式
US06/680,298 US4630124A (en) 1983-12-15 1984-12-11 Quality selectable facsimile image coding system
GB08431702A GB2151432B (en) 1983-12-15 1984-12-14 Facsimile image coding system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58235023A JPS60127875A (ja) 1983-12-15 1983-12-15 ２値画像の符号化方式

Publications (2)

Publication Number Publication Date
JPS60127875A JPS60127875A (ja) 1985-07-08
JPH034153B2 true JPH034153B2 (OSRAM) 1991-01-22

Family

ID=16979930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58235023A Granted JPS60127875A (ja) 1983-12-15 1983-12-15 ２値画像の符号化方式

Country Status (3)

Country Link
US (1) US4630124A (OSRAM)
JP (1) JPS60127875A (OSRAM)
GB (1) GB2151432B (OSRAM)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6225575A (ja) * 1985-07-26 1987-02-03 Kokusai Denshin Denwa Co Ltd <Kdd> 階調ファクシミリ画像信号の符号化装置
US4748512A (en) * 1986-08-25 1988-05-31 National Business Systems, Inc. Data compaction process for digitized images
JP2506706B2 (ja) * 1986-12-22 1996-06-12 国際電信電話株式会社 階層的画像における符号化復号化装置
JPS63164575A (ja) * 1986-12-26 1988-07-07 Radio Res Lab 画像デ−タの符号化方式
JP2563324B2 (ja) * 1987-04-28 1996-12-11 松下電器産業株式会社 画像信号符号化方法
JP2534276B2 (ja) * 1987-10-09 1996-09-11 インターナショナル・ビジネス・マシーンズ・コーポレーション オリジナル・イメ−ジのペル信号の処理方法
JPH02253765A (ja) * 1989-03-28 1990-10-12 Toshiba Corp 画像処理装置
JP3048161B2 (ja) * 1989-12-29 2000-06-05 キヤノン株式会社 カラー画像伝送方法
US5828411A (en) * 1992-04-15 1998-10-27 Hitachi, Ltd. Low bit rate coder for still and motion images using sub-sampling
JP3109663B2 (ja) * 1998-09-18 2000-11-20 日本電気株式会社 画像読取方法及び画像読取装置
JP2002091407A (ja) * 2000-09-20 2002-03-27 Ricoh Co Ltd 画像表示装置
EP1879384B1 (en) * 2006-07-13 2009-05-13 Axis AB Improved pre-alarm video buffer
WO2009122463A1 (ja) 2008-03-31 2009-10-08 富士通株式会社 画像データ圧縮装置、復元装置、圧縮方法、復元方法及びプログラム
US20100276206A1 (en) * 2008-07-25 2010-11-04 Anatoli Borissov Rotary Drill Bit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222076A (en) * 1978-09-15 1980-09-09 Bell Telephone Laboratories, Incorporated Progressive image transmission
US4261018A (en) * 1979-06-18 1981-04-07 Bell Telephone Laboratories, Incorporated Progressive image transmission
US4414580A (en) * 1981-06-01 1983-11-08 Bell Telephone Laboratories, Incorporated Progressive transmission of two-tone facsimile

Also Published As

Publication number Publication date
GB8431702D0 (en) 1985-01-30
US4630124A (en) 1986-12-16
GB2151432A (en) 1985-07-17
JPS60127875A (ja) 1985-07-08
GB2151432B (en) 1987-03-11

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