DE3855773D1 - Gerät zum Decodieren faksimilecodierter Daten in Bilddaten - Google Patents

Gerät zum Decodieren faksimilecodierter Daten in Bilddaten

Info

Publication number
DE3855773D1
DE3855773D1 DE3855773T DE3855773T DE3855773D1 DE 3855773 D1 DE3855773 D1 DE 3855773D1 DE 3855773 T DE3855773 T DE 3855773T DE 3855773 T DE3855773 T DE 3855773T DE 3855773 D1 DE3855773 D1 DE 3855773D1
Authority
DE
Germany
Prior art keywords
facsimile
codes
pixel data
code
series
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 - Lifetime
Application number
DE3855773T
Other languages
English (en)
Inventor
Shinkyo Kaku
Chung-Li Yu
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices 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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE3855773D1 publication Critical patent/DE3855773D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/4175—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding involving the encoding of tone transitions with respect to tone transitions in a reference line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Facsimiles In General (AREA)
DE3855773T 1987-04-22 1988-04-15 Gerät zum Decodieren faksimilecodierter Daten in Bilddaten Expired - Lifetime DE3855773D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/041,261 US4839738A (en) 1987-04-22 1987-04-22 Apparatus for decoding facsimile coded data to image data with coding and reference line windowing and color change detection

Publications (1)

Publication Number Publication Date
DE3855773D1 true DE3855773D1 (de) 1997-03-13

Family

ID=21915616

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3855773T Expired - Lifetime DE3855773D1 (de) 1987-04-22 1988-04-15 Gerät zum Decodieren faksimilecodierter Daten in Bilddaten

Country Status (5)

Country Link
US (1) US4839738A (de)
EP (1) EP0288219B1 (de)
JP (1) JPS63314072A (de)
AT (1) ATE148606T1 (de)
DE (1) DE3855773D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9405914D0 (en) * 1994-03-24 1994-05-11 Discovision Ass Video decompression
US4974067A (en) * 1986-06-06 1990-11-27 Ricoh Company, Ltd. Multi-step-digital color image reproducing method and apparatus
GB8708010D0 (en) * 1987-04-03 1987-05-07 Crosfield Electronics Ltd Image reprocessing
US5202771A (en) * 1988-08-08 1993-04-13 Ricoh Company, Ltd. Image data compression system and facsimile machine employing the image data compression system
US5291303A (en) * 1990-01-16 1994-03-01 Canon Kabushiki Kaisha Facsimile apparatus
JP2794951B2 (ja) * 1990-12-17 1998-09-10 村田機械株式会社 Ｍｒ符号の復号化方法
US5206734A (en) * 1990-12-24 1993-04-27 Xerox Corporation Look ahead for high speed CCITT decompressor
US5229863A (en) * 1990-12-24 1993-07-20 Xerox Corporation High speed CCITT decompressor
JP2610365B2 (ja) * 1991-03-12 1997-05-14 三田工業株式会社 原稿の色種判別装置
JPH05122537A (ja) * 1991-10-30 1993-05-18 Nec Ic Microcomput Syst Ltd 二次元符号化装置
US5245441A (en) * 1991-12-12 1993-09-14 Ruben Murray A Document imaging processing method and apparatus
DE4243984A1 (en) * 1992-02-24 1993-08-26 Dirr Josef Telefax or colour television image coding system
US5576835A (en) * 1992-02-24 1996-11-19 Dirr; Josef Method for run-length coding for shortening transmission time
EP0593073A1 (de) * 1992-10-16 1994-04-20 Matsushita Electric Industrial Co., Ltd. Prozessor mit Schieberegistern
US6775413B1 (en) 2000-09-18 2004-08-10 Intel Corporation Techniques to implement one-dimensional compression

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1128645A (en) * 1978-07-31 1982-07-27 Yasuhiro Yamazaki Transmission method and system for facsimile signal
US4509194A (en) * 1982-09-09 1985-04-02 Minnesota Mining And Manufacturing Company Apparatus for producing a code word
US4533956A (en) * 1982-09-17 1985-08-06 Minnesota Mining And Manufacturing Co. Apparatus for converting facsimile coded data to video data
US4486784A (en) * 1982-12-27 1984-12-04 International Business Machines Corporation Image compression systems
CA1228925A (en) * 1983-02-25 1987-11-03 Yoshikazu Yokomizo Data decoding apparatus
JPS6019360A (ja) * 1983-07-12 1985-01-31 Nec Corp フアクシミリの復号化回路
US4558371A (en) * 1983-08-19 1985-12-10 Advanced Micro Devices, Inc. Method and device for two-dimensional facsimile coding
US4590521A (en) * 1983-08-19 1986-05-20 Advanced Micro Devices, Inc. Picture element generator for facsimile receiver
US4542413A (en) * 1983-08-19 1985-09-17 Advanced Micro Devices, Inc. Facsimile device for run length coding
US4562484A (en) * 1983-08-19 1985-12-31 Advanced Micro Devices, Inc. Method and device for decoding two-dimensional facsimile signals
JPS60194672A (ja) * 1984-03-14 1985-10-03 Mitsubishi Electric Corp ランレングス符号化装置
JPS60194671A (ja) * 1984-03-14 1985-10-03 Mitsubishi Electric Corp ランレングス符号化装置
JPH0783427B2 (ja) * 1984-04-03 1995-09-06 キヤノン株式会社 画像伝送方法
US4760461A (en) * 1986-02-28 1988-07-26 Kabushiki Kaisha Toshiba Binary data compression and expansion processing apparatus
US4760459A (en) * 1986-07-30 1988-07-26 Kabushiki Kaisha Toshiba Binary data compression and expansion processing apparatus
JPS63227177A (ja) * 1987-03-17 1988-09-21 Toshiba Corp ２値デ−タ圧縮伸長処理装置

Also Published As

Publication number Publication date
ATE148606T1 (de) 1997-02-15
EP0288219A2 (de) 1988-10-26
US4839738A (en) 1989-06-13
JPS63314072A (ja) 1988-12-22
EP0288219B1 (de) 1997-01-29
EP0288219A3 (de) 1991-01-16

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Legal Events

Date Code Title Description
8332 No legal effect for de