CA2191234C - Method and apparatus for encoding a facsimile message - Google Patents

Method and apparatus for encoding a facsimile message

Info

Publication number
CA2191234C
CA2191234C CA002191234A CA2191234A CA2191234C CA 2191234 C CA2191234 C CA 2191234C CA 002191234 A CA002191234 A CA 002191234A CA 2191234 A CA2191234 A CA 2191234A CA 2191234 C CA2191234 C CA 2191234C
Authority
CA
Canada
Prior art keywords
sub
image
target image
group
pixel
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 - Fee Related
Application number
CA002191234A
Other languages
English (en)
French (fr)
Other versions
CA2191234A1 (en
Inventor
Jyh-Han Lin
Noah Paul Orlen
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of CA2191234A1 publication Critical patent/CA2191234A1/en
Application granted granted Critical
Publication of CA2191234C publication Critical patent/CA2191234C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H04N1/419—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which encoding of the length of a succession of picture-elements of the same value along a scanning line is the only encoding step

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimiles In General (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
CA002191234A 1994-06-06 1995-06-06 Method and apparatus for encoding a facsimile message Expired - Fee Related CA2191234C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/254,860 US5420692A (en) 1994-06-06 1994-06-06 Method and apparatus for encoding a facsimile message
US08/254,860 1994-06-06

Publications (2)

Publication Number Publication Date
CA2191234A1 CA2191234A1 (en) 1995-12-14
CA2191234C true CA2191234C (en) 1999-01-19

Family

ID=22965871

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002191234A Expired - Fee Related CA2191234C (en) 1994-06-06 1995-06-06 Method and apparatus for encoding a facsimile message

Country Status (9)

Country Link
US (1) US5420692A (en, 2012)
EP (1) EP0764379B1 (en, 2012)
KR (1) KR100200263B1 (en, 2012)
CN (1) CN1094689C (en, 2012)
BR (1) BR9508359A (en, 2012)
CA (1) CA2191234C (en, 2012)
DE (1) DE69511862T2 (en, 2012)
TW (1) TW283288B (en, 2012)
WO (1) WO1995034163A1 (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566001A (en) * 1994-07-27 1996-10-15 Motorola, Inc. Method and apparatus for fax messaging in a selective call receiver system using multiple code-book data compression
US6356663B1 (en) * 1994-09-09 2002-03-12 Intel Corporation Processing image signals using spatial decomposition
US5706211A (en) * 1995-03-02 1998-01-06 Motorola, Inc. Message communications system
US5684865A (en) * 1995-08-28 1997-11-04 Motorola, Inc. Method for efficient facsimile communication with selective call receivers
US5930526A (en) * 1996-01-24 1999-07-27 Intel Corporation System for progressive transmission of compressed video including video data of first type of video frame played independently of video data of second type of video frame
US5872845A (en) * 1996-06-05 1999-02-16 Feder; Benjamin Method and apparatus for interfacing fax machines to digital communication networks
US5856832A (en) * 1997-01-13 1999-01-05 Hewlett-Packard Company System and method for parsing multiple sets of data
US6157846A (en) * 1997-06-17 2000-12-05 Nortel Networks Limited Method of and apparatus for providing an interface between an analog facsimile device and a wireless network
US6611358B1 (en) * 1997-06-17 2003-08-26 Lucent Technologies Inc. Document transcoding system and method for mobile stations and wireless infrastructure employing the same
JPH1174992A (ja) 1997-06-23 1999-03-16 Canon Inc 無線通信装置
KR100269140B1 (ko) * 1997-12-26 2000-10-16 윤종용 작은 화면을 위한 콘텍스트 발생 회로 및 그 방법
US6738163B2 (en) * 1998-07-17 2004-05-18 Gary Hochman Method for transmission of facsimile image data
EP1158786A3 (en) * 2000-05-24 2005-03-09 Sony Corporation Transmission of the region of interest of an image
JP4516984B2 (ja) * 2007-11-13 2010-08-04 シャープ株式会社 情報処理装置、情報処理方法、プログラム及び記録媒体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132488B2 (en, 2012) * 1971-12-30 1976-09-13
JPS5422119A (en) * 1977-07-20 1979-02-19 Nec Corp Forecasting encoder/decoder
JPS5831664A (ja) * 1981-08-19 1983-02-24 Kokusai Denshin Denwa Co Ltd <Kdd> フアクシミリ信号の一次元符号化方式
JPS5888970A (ja) * 1981-11-24 1983-05-27 Ricoh Co Ltd フアクシミリデ−タ圧縮装置
JPS58103266A (ja) * 1981-12-15 1983-06-20 Toshiba Corp 文字画像処理装置
US4748662A (en) * 1984-12-21 1988-05-31 Kabushiki Kaisha Toshiba Apparatus having a dial calling function
US4897733A (en) * 1987-06-12 1990-01-30 Murata Kakai Kabushiki Kaisha Communication system in facsimile
US4924521A (en) * 1987-12-18 1990-05-08 International Business Machines Corporation Image processing system and method employing combined black and white and gray scale image data
US5189526A (en) * 1990-09-21 1993-02-23 Eastman Kodak Company Method and apparatus for performing image compression using discrete cosine transform
JPH06500218A (ja) * 1990-12-21 1994-01-06 モトローラ・インコーポレイテッド ファクシミリ・ページング・システム

Also Published As

Publication number Publication date
KR970703672A (ko) 1997-07-03
EP0764379A4 (en) 1997-05-28
US5420692A (en) 1995-05-30
TW283288B (en, 2012) 1996-08-11
BR9508359A (pt) 1998-01-06
KR100200263B1 (ko) 1999-06-15
CN1094689C (zh) 2002-11-20
DE69511862T2 (de) 2000-04-13
DE69511862D1 (de) 1999-10-07
CA2191234A1 (en) 1995-12-14
EP0764379A1 (en) 1997-03-26
EP0764379B1 (en) 1999-09-01
WO1995034163A1 (en) 1995-12-14
CN1149949A (zh) 1997-05-14

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