DE69128188T2 - Bildverarbeitungsverfahren und -gerät - Google Patents

Bildverarbeitungsverfahren und -gerät

Info

Publication number
DE69128188T2
DE69128188T2 DE1991628188 DE69128188T DE69128188T2 DE 69128188 T2 DE69128188 T2 DE 69128188T2 DE 1991628188 DE1991628188 DE 1991628188 DE 69128188 T DE69128188 T DE 69128188T DE 69128188 T2 DE69128188 T2 DE 69128188T2
Authority
DE
Germany
Prior art keywords
image processing
processing method
image
processing
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
DE1991628188
Other languages
English (en)
Other versions
DE69128188D1 (de
Inventor
Akihiro Katayama
Yasuhiko Yasuda
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69128188D1 publication Critical patent/DE69128188D1/de
Publication of DE69128188T2 publication Critical patent/DE69128188T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/64Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/642Adapting to different types of images, e.g. characters, graphs, black and white image portions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41Bandwidth or redundancy reduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41Bandwidth or redundancy reduction
    • H04N1/411Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/415Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/64Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Color Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE1991628188 1990-12-19 1991-12-17 Bildverarbeitungsverfahren und -gerät Expired - Lifetime DE69128188T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP40354890A JP3072776B2 (ja) 1990-12-19 1990-12-19 画像処理装置

Publications (2)

Publication Number Publication Date
DE69128188D1 DE69128188D1 (de) 1997-12-18
DE69128188T2 true DE69128188T2 (de) 1998-04-02

Family

ID=18513280

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1991628188 Expired - Lifetime DE69128188T2 (de) 1990-12-19 1991-12-17 Bildverarbeitungsverfahren und -gerät
DE69133480T Expired - Lifetime DE69133480D1 (de) 1990-12-19 1991-12-17 Bildverarbeitungsverfahren und -vorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69133480T Expired - Lifetime DE69133480D1 (de) 1990-12-19 1991-12-17 Bildverarbeitungsverfahren und -vorrichtung

Country Status (4)

Country Link
US (1) US5588069A (de)
EP (2) EP0785669B1 (de)
JP (1) JP3072776B2 (de)
DE (2) DE69128188T2 (de)

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JP3293920B2 (ja) * 1993-01-22 2002-06-17 キヤノン株式会社 画像処理装置およびその方法
JPH07154798A (ja) * 1993-05-31 1995-06-16 Canon Inc 画像符号化装置および画像符号化方法
JPH0795418A (ja) * 1993-09-20 1995-04-07 Canon Inc 画像通信装置
JPH07327134A (ja) * 1994-05-31 1995-12-12 Canon Inc 画像処理装置およびその方法
US5883976A (en) * 1994-12-28 1999-03-16 Canon Kabushiki Kaisha Selectively utilizing multiple encoding methods
EP0770300A2 (de) * 1995-04-12 1997-05-02 Eastman Kodak Company Farbdrucker mit massenspeicher für komprimierte bilddaten
US5768481A (en) * 1995-06-05 1998-06-16 Apple Computer, Inc. Method and apparatus for compression of digitized image data using a dynamic band recompression scheme
US5742707A (en) * 1995-06-27 1998-04-21 Motorola, Inc. Method and system for compressing a pixel map signal using a hybrid polynomial coefficient signal
US5793892A (en) * 1995-06-27 1998-08-11 Motorola, Inc. Method and system for compressing a pixel map signal using dynamic quantization
US5768427A (en) * 1995-06-27 1998-06-16 Motorola, Inc. Method and system for compressing a video signal using nonlinear interpolation
JPH09135358A (ja) * 1995-11-08 1997-05-20 Nec Corp 算術符号を用いた画像符号化装置
US6407824B1 (en) 1996-07-25 2002-06-18 Canon Kabushiki Kaisha Image processing and outputting with suspension of processing in a white region
EP1689194A3 (de) * 1996-11-07 2008-12-10 Panasonic Corporation Bildcoder und -decoder
US6091850A (en) * 1997-04-30 2000-07-18 Fujitsu Microelectronics, Inc. Method of compressing and decompressing graphic images
US6145068A (en) * 1997-09-16 2000-11-07 Phoenix Technologies Ltd. Data transfer to a non-volatile storage medium
US6816618B1 (en) * 1998-03-03 2004-11-09 Minolta Co., Ltd. Adaptive variable length image coding apparatus
DE19817720A1 (de) * 1998-04-21 1999-10-28 Heidelberger Druckmasch Ag Verfahren zur Bilddatenkomprimierung für Zwei-Farben-Bilder
JP3748172B2 (ja) * 1998-12-09 2006-02-22 富士通株式会社 画像処理装置
JP3861498B2 (ja) * 1999-03-19 2006-12-20 コニカミノルタビジネステクノロジーズ株式会社 黒エッジ部の判別装置及び画像処理装置
KR100316785B1 (ko) * 1999-11-04 2001-12-13 윤종용 비트 오류에 견실한 산술 부호화/복호화 장치 및 그 방법
JP4555456B2 (ja) * 2000-11-28 2010-09-29 谷電機工業株式会社 データ符号化装置およびデータ復号化装置
JP3750797B2 (ja) * 2001-06-20 2006-03-01 ソニー株式会社 画像処理方法および装置
US6859210B2 (en) * 2001-07-06 2005-02-22 Eastman Kodak Company Method for representing a digital color image using a set of palette colors based on detected important colors
US6980221B2 (en) * 2001-07-06 2005-12-27 Eastman Kodak Company Method for representing a digital color image using a set of palette colors
US7068398B2 (en) * 2001-11-07 2006-06-27 International Business Machines Corporation System and method for efficient tile generation from complex raster data
US7027647B2 (en) 2001-12-31 2006-04-11 Hewlett-Packard Development Company, L.P. Coder matched layer separation for compression of compound documents
US7364091B2 (en) 2003-12-19 2008-04-29 Scientific Games International, Inc. Embedded optical signatures in documents
US7252222B2 (en) * 2003-12-19 2007-08-07 Scientific Game Royalty Corporation Embedded optical signatures in documents
KR100587143B1 (ko) 2004-05-06 2006-06-08 매그나칩 반도체 유한회사 영상 신호의 에지 검출 방법
JP4515832B2 (ja) * 2004-06-14 2010-08-04 オリンパス株式会社 画像圧縮装置、及び画像復元装置
US7609882B2 (en) * 2005-05-25 2009-10-27 Himax Technologies Limited Image compression and decompression method capable of encoding and decoding pixel data based on a color conversion method
JP4735572B2 (ja) * 2007-03-12 2011-07-27 セイコーエプソン株式会社 画像データ符号化装置、画像データ復号化装置、画像処理装置及び電子機器
US20080226164A1 (en) * 2007-03-12 2008-09-18 Seiko Epson Corporation Image data decoding device, image data encoding device, image processing device, and electronic instrument
US9313367B2 (en) * 2007-04-30 2016-04-12 Hewlett-Packard Indigo B.V. Image compression
US9489618B2 (en) * 2014-05-27 2016-11-08 Purdue Research Foudation Electronic comparison systems
EP3538599A1 (de) 2016-11-09 2019-09-18 Borealis AG Polypropylenzusammensetzung

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US4266249A (en) * 1978-09-19 1981-05-05 Bell Telephone Laboratories, Incorporated Digital encoder for facsimile transmission
US4366505A (en) * 1978-09-20 1982-12-28 Canon Kabushiki Kaisha Information forming apparatus
DE3024322A1 (de) * 1980-06-27 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zur codierung von elektrischen signalen, die bei der abtastung eines grafischen musters mit aus text und bildern gemischtem inhalt gewonnen werden
US4546385A (en) * 1983-06-30 1985-10-08 International Business Machines Corporation Data compression method for graphics images
GB8420077D0 (en) * 1984-08-07 1984-09-12 British Telecomm Still picture transmission
DE3538639A1 (de) * 1984-10-31 1986-04-30 Canon K.K., Tokio/Tokyo Bildverarbeitungssystem
US5086434A (en) * 1985-09-30 1992-02-04 Canon Kabushiki Kaisha Data communication process and apparatus for data transmission in blocks which may include mixed data types
US4797945A (en) * 1985-12-13 1989-01-10 Canon Kabushiki Kaisha Image data coding apparatus
US5270805A (en) * 1986-05-16 1993-12-14 Canon Kabushiki Kaisha Data communication apparatus for converting data in accordance with a discriminated function of a destination station
US4887151A (en) * 1986-06-30 1989-12-12 Canon Kabushiki Kaisha Encoding apparatus for color image data with block-by-block individual quantizing or individual encoding of luminosity, structure, and color information
JPS63173485A (ja) * 1987-01-13 1988-07-18 Toshiba Corp 画像デ−タ圧縮装置
JPS63182785A (ja) * 1987-01-26 1988-07-28 Canon Inc カラ−画像処理装置
DE3709094A1 (de) * 1987-03-23 1988-10-06 Ant Nachrichtentech Verfahren zur codierung von bildsignalen
JPH0789648B2 (ja) * 1987-05-29 1995-09-27 日本電気株式会社 画像信号の符号化装置
US5157743A (en) * 1987-10-28 1992-10-20 Canon Kabushiki Kaisha Image information coding apparatus
US5162923A (en) * 1988-02-22 1992-11-10 Canon Kabushiki Kaisha Method and apparatus for encoding frequency components of image information
EP0336317B1 (de) * 1988-04-08 1995-07-19 Fuji Photo Film Co., Ltd. Elektronische Standbildkamera mit der Fähigkeit ein Aufzeichnungsmittel auszuwählen
DE3881392T2 (de) * 1988-09-12 1993-10-21 Oce Nederland Bv System und Verfahren für automatische Segmentierung.
JPH02112074A (ja) * 1988-10-21 1990-04-24 Nec Corp 電子フアイル装置
US5128748A (en) * 1989-02-15 1992-07-07 Hitachi, Ltd. Image processing system and apparatus for processing color documents
US5267333A (en) * 1989-02-28 1993-11-30 Sharp Kabushiki Kaisha Image compressing apparatus and image coding synthesizing method
JPH02292959A (ja) * 1989-05-02 1990-12-04 Ricoh Co Ltd カラー画像符号化方式
US5101438A (en) * 1990-02-02 1992-03-31 Ricoh Company, Ltd. Method of discriminating different kinds of image areas, involving two-dimensional orthogonal transforms
US5151949A (en) * 1990-10-10 1992-09-29 Fuji Xerox Co., Ltd. System and method employing multiple predictor sets to compress image data having different portions

Also Published As

Publication number Publication date
DE69128188D1 (de) 1997-12-18
JP3072776B2 (ja) 2000-08-07
EP0491556A2 (de) 1992-06-24
DE69133480D1 (de) 2005-09-15
EP0491556A3 (en) 1992-11-04
JPH04217176A (ja) 1992-08-07
US5588069A (en) 1996-12-24
EP0785669A3 (de) 1998-03-04
EP0785669B1 (de) 2005-08-10
EP0491556B1 (de) 1997-11-12
EP0785669A2 (de) 1997-07-23

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