GB2160062B - Facsimile image encoding method - Google Patents

Facsimile image encoding method

Info

Publication number
GB2160062B
GB2160062B GB08513811A GB8513811A GB2160062B GB 2160062 B GB2160062 B GB 2160062B GB 08513811 A GB08513811 A GB 08513811A GB 8513811 A GB8513811 A GB 8513811A GB 2160062 B GB2160062 B GB 2160062B
Authority
GB
United Kingdom
Prior art keywords
encoding method
image encoding
facsimile image
facsimile
image
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
GB08513811A
Other languages
English (en)
Other versions
GB2160062A (en
GB8513811D0 (en
Inventor
Toshiaki Endoh
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
Publication of GB8513811D0 publication Critical patent/GB8513811D0/en
Publication of GB2160062A publication Critical patent/GB2160062A/en
Application granted granted Critical
Publication of GB2160062B publication Critical patent/GB2160062B/en
Expired 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
    • H04N1/4115—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures involving the recognition of specific patterns, e.g. by symbol matching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
GB08513811A 1984-05-31 1985-05-31 Facsimile image encoding method Expired GB2160062B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59109639A JPS60254871A (ja) 1984-05-31 1984-05-31 フアクシミリ画像の符号化方法

Publications (3)

Publication Number Publication Date
GB8513811D0 GB8513811D0 (en) 1985-07-03
GB2160062A GB2160062A (en) 1985-12-11
GB2160062B true GB2160062B (en) 1988-01-13

Family

ID=14515380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08513811A Expired GB2160062B (en) 1984-05-31 1985-05-31 Facsimile image encoding method

Country Status (3)

Country Link
US (1) US4922545A (enExample)
JP (1) JPS60254871A (enExample)
GB (1) GB2160062B (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797945A (en) * 1985-12-13 1989-01-10 Canon Kabushiki Kaisha Image data coding apparatus
JPS62220868A (ja) * 1986-03-24 1987-09-29 Hitachi Ltd 自動分析装置
US4769716A (en) * 1986-10-17 1988-09-06 International Business Machines Corporation Facsimile transmission using enhanced symbol prototypes with precalculated front and back white spaces
US5121221A (en) * 1989-02-16 1992-06-09 Minolta Camera Co. Ltd. Facsimile apparatus
US5125039A (en) * 1989-06-16 1992-06-23 Hawkins Jeffrey C Object recognition system
US5091975A (en) * 1990-01-04 1992-02-25 Teknekron Communications Systems, Inc. Method and an apparatus for electronically compressing a transaction with a human signature
US5274474A (en) * 1991-01-23 1993-12-28 Randolph-Rand Corporation Integrated telefacsimile and character communication system with standard and high speed modes
US5227590A (en) * 1991-05-17 1993-07-13 Ncr Corporation Handwriting capture device
US5303313A (en) * 1991-12-16 1994-04-12 Cartesian Products, Inc. Method and apparatus for compression of images
US5640607A (en) * 1992-04-21 1997-06-17 Microsoft Corporation Method for sending bit mapped image by appending special code to text string and transmitting the text string separately from compressed residual image
US5408542A (en) * 1992-05-12 1995-04-18 Apple Computer, Inc. Method and apparatus for real-time lossless compression and decompression of image data
US5321749A (en) * 1992-09-21 1994-06-14 Richard Virga Encryption device
JPH06268842A (ja) * 1993-03-15 1994-09-22 Hitachi Ltd 画像処理装置
US5574573A (en) * 1993-10-29 1996-11-12 Eastman Kodak Company Compression method for a standardized image library
US5801842A (en) * 1994-12-27 1998-09-01 International Patent Holdings Ltd. Telefacsimile module connectable to telefacsimile machines for transmitting data in standard or high speed modes
JP3080149B2 (ja) * 1996-12-03 2000-08-21 日本電気株式会社 パタン符号化方法及び復号化方法とこの方法を用いた符号化装置及び復号化装置
US6373947B1 (en) 1996-08-26 2002-04-16 Aliroo Ltd. Document processing
JP2940496B2 (ja) * 1996-11-05 1999-08-25 日本電気株式会社 パタンマッチング符号化装置及び方法
US6683993B1 (en) * 1996-11-08 2004-01-27 Hughes Electronics Corporation Encoding and decoding with super compression a via a priori generic objects
JP2836681B2 (ja) * 1997-01-14 1998-12-14 日本電気株式会社 パタンマッチング符号化方法及び符号化装置
JP3082837B2 (ja) * 1997-03-19 2000-08-28 日本電気株式会社 パタンマッチング符号化装置、復号化装置及び記録媒体
US6529635B1 (en) * 1997-12-15 2003-03-04 Intel Corporation Shape-based image compression/decompression using pattern matching
JP3095071B2 (ja) 1998-04-21 2000-10-03 日本電気株式会社 パタンマッチング符号化装置、及びその符号化方法
US6118904A (en) * 1998-08-27 2000-09-12 The United States Of America As Represented By The National Security Agency Method of encoding data to minimize the number of codewords
US7164797B2 (en) * 2002-04-25 2007-01-16 Microsoft Corporation Clustering
US7024039B2 (en) 2002-04-25 2006-04-04 Microsoft Corporation Block retouching
US7392472B2 (en) 2002-04-25 2008-06-24 Microsoft Corporation Layout analysis
US7110596B2 (en) * 2002-04-25 2006-09-19 Microsoft Corporation System and method facilitating document image compression utilizing a mask
US7043079B2 (en) 2002-04-25 2006-05-09 Microsoft Corporation “Don't care” pixel interpolation
US7120297B2 (en) * 2002-04-25 2006-10-10 Microsoft Corporation Segmented layered image system
US7263227B2 (en) * 2002-04-25 2007-08-28 Microsoft Corporation Activity detector
US10157165B2 (en) 2015-06-05 2018-12-18 Micron Technology, Inc. Methods and devices for reducing array size and complexity in automata processors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410916A (en) * 1979-08-24 1983-10-18 Compression Labs, Inc. Dual mode facsimile coding system and method
US4494150A (en) * 1982-07-13 1985-01-15 International Business Machines Corporation Word autocorrelation redundancy match facsimile compression for text processing systems
US4499499A (en) * 1982-12-29 1985-02-12 International Business Machines Corporation Method for identification and compression of facsimile symbols in text processing systems
US4606069A (en) * 1983-06-10 1986-08-12 At&T Bell Laboratories Apparatus and method for compression of facsimile information by pattern matching
US4672679A (en) * 1983-08-16 1987-06-09 Wang Laboratories, Inc. Context redundancy text compression
US4673987A (en) * 1985-04-22 1987-06-16 Ibm Corporation Compressed block code for facsimile transmission

Also Published As

Publication number Publication date
JPS60254871A (ja) 1985-12-16
JPH022349B2 (enExample) 1990-01-17
GB2160062A (en) 1985-12-11
GB8513811D0 (en) 1985-07-03
US4922545A (en) 1990-05-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee