JPS60153264A - 中間調画像伝送方式 - Google Patents

中間調画像伝送方式

Info

Publication number
JPS60153264A
JPS60153264A JP59008254A JP825484A JPS60153264A JP S60153264 A JPS60153264 A JP S60153264A JP 59008254 A JP59008254 A JP 59008254A JP 825484 A JP825484 A JP 825484A JP S60153264 A JPS60153264 A JP S60153264A
Authority
JP
Japan
Prior art keywords
address
average value
dither matrix
halftone image
area
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.)
Pending
Application number
JP59008254A
Other languages
English (en)
Japanese (ja)
Inventor
Susumu Shimotoono
享 下遠野
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP59008254A priority Critical patent/JPS60153264A/ja
Priority to US06/693,018 priority patent/US4760460A/en
Priority to DE19853501830 priority patent/DE3501830A1/de
Publication of JPS60153264A publication Critical patent/JPS60153264A/ja
Pending 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
    • H04N1/4105—Bandwidth or redundancy reduction for halftone screened pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP59008254A 1984-01-20 1984-01-20 中間調画像伝送方式 Pending JPS60153264A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP59008254A JPS60153264A (ja) 1984-01-20 1984-01-20 中間調画像伝送方式
US06/693,018 US4760460A (en) 1984-01-20 1985-01-18 Halftone image transmission method
DE19853501830 DE3501830A1 (de) 1984-01-20 1985-01-21 Verfahren zum uebertragen eines halbtonbildes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59008254A JPS60153264A (ja) 1984-01-20 1984-01-20 中間調画像伝送方式

Publications (1)

Publication Number Publication Date
JPS60153264A true JPS60153264A (ja) 1985-08-12

Family

ID=11687997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59008254A Pending JPS60153264A (ja) 1984-01-20 1984-01-20 中間調画像伝送方式

Country Status (3)

Country Link
US (1) US4760460A (cg-RX-API-DMAC7.html)
JP (1) JPS60153264A (cg-RX-API-DMAC7.html)
DE (1) DE3501830A1 (cg-RX-API-DMAC7.html)

Families Citing this family (38)

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EP0361538A1 (en) * 1985-04-12 1990-04-04 International Business Machines Corporation Method and system for edge enhancement in reproducing multi-level digital images on a bi-level printer of fixed dot size
US4654721A (en) * 1985-04-12 1987-03-31 International Business Machines Corporation System for reproducing multi-level digital images on a bi-level printer of fixed dot size
DE3542484A1 (de) * 1985-11-30 1987-07-02 Ant Nachrichtentech Verfahren zur erkennung von kantenstrukturen in einem bildsignal
BE904101A (nl) * 1986-01-24 1986-07-24 Bell Telephone Mfg Cy Beeldverwerkingssysteem en daarin toegepaste fazevergrendelingslus.
JP2794281B2 (ja) * 1986-07-10 1998-09-03 株式会社日立製作所 デイザ信号の符号復号処理装置
DE3735349A1 (de) * 1986-10-18 1988-04-28 Toshiba Kawasaki Kk Bildpresservorrichtung
JPS63158970A (ja) * 1986-12-23 1988-07-01 Matsushita Electric Ind Co Ltd 画像読み取り装置
WO1988005622A1 (en) * 1987-01-27 1988-07-28 Konica Corporation Color image processor
DE3878282T2 (de) * 1987-03-11 1993-09-09 Yamatoya Shokai Fotomechanischer apparat unter verwendung von fotoelektrischer abtastung.
JPS6427369A (en) * 1987-07-22 1989-01-30 Sharp Kk Picture signal compression device
JPH01309464A (ja) * 1988-06-07 1989-12-13 Canon Inc 画像伝送装置
US5053887A (en) * 1989-06-27 1991-10-01 Ibm Corporation Technique for producing a fine grained dithered halftone image having an increased number of gray levels
JPH04868A (ja) * 1990-04-17 1992-01-06 Casio Comput Co Ltd ファクシミリ符号化装置
EP0467684B1 (en) * 1990-07-20 1997-05-28 Canon Kabushiki Kaisha Image processing apparatus
KR960010392B1 (ko) * 1990-09-29 1996-07-31 니뽕 빅터 가부시끼가이샤 적응 양자화를 이용한 화상 신호 부호화 복호화 장치
US5172247A (en) * 1990-10-24 1992-12-15 Eastman Kodak Company High speed digital error diffusion process for continuous tone image-to-binary image conversion
US5341228A (en) * 1990-12-04 1994-08-23 Research Corporation Technologies Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
EP0505200A3 (en) * 1991-03-20 1993-12-01 Fujitsu Ltd Radiographic image processing method wherein small variation of density is selectively made clear
US5345317A (en) * 1991-12-19 1994-09-06 Kokusai Denshin Denwa Kabushiki Kaisha High efficiency coding method for still natural images mingled with bi-level images
US5185674A (en) * 1992-04-03 1993-02-09 Eastman Kodak Company Binary resolution decimation method and apparatus
US5365251A (en) * 1992-08-28 1994-11-15 Xerox Corporation Image quality improvement by hierarchical pattern matching with variable size templates
JPH08204971A (ja) * 1994-10-31 1996-08-09 Xerox Corp 予測符号化と誤差拡散を用いた画像圧縮方法
US6137589A (en) * 1995-09-20 2000-10-24 Hewlett-Packard Company Efficient storage of dithered raster image data in a printer or the like
US5745700A (en) * 1996-05-13 1998-04-28 International Business Machines Corporation Multi media video matrix address decoder
US6201614B1 (en) * 1998-12-24 2001-03-13 Electronics For Imaging, Inc. Dithered image compression system
US7900144B1 (en) * 2000-03-23 2011-03-01 Eastman Kodak Company Modification of color values in page description files
US6798543B1 (en) 2000-09-13 2004-09-28 Sharp Laboratories Of America Inc. Method and apparatus for compression and decompression of halftoned images
US8077332B2 (en) * 2002-10-17 2011-12-13 Xerox Corporation Bit-map decompression
US7342696B2 (en) * 2003-08-25 2008-03-11 Xerox Corporation Computational moiré compensation
US7433103B2 (en) * 2003-12-31 2008-10-07 Eastman Kodak Company Selective flattening of page description files to support color correction
US7830553B2 (en) * 2004-02-10 2010-11-09 Seiko Epson Corporation Image output system for outputting image based on information of number of dots to be formed in predetermined area
JP4241823B2 (ja) * 2004-05-19 2009-03-18 セイコーエプソン株式会社 ドットデータ処理装置、画像出力システムおよびそれらの方法
JP4534964B2 (ja) * 2005-11-18 2010-09-01 セイコーエプソン株式会社 画像形成方法、画像形成装置、画像形成システム、印刷物の生成方法および画像形成装置を制御するためのコンピュータプログラム
JP4534963B2 (ja) * 2005-11-18 2010-09-01 セイコーエプソン株式会社 画像形成方法、画像形成装置、画像形成システム、印刷方法、印刷物の生成方法および画像形成装置を制御するためのコンピュータプログラム
JP4506652B2 (ja) * 2005-11-18 2010-07-21 セイコーエプソン株式会社 高画質ハーフトーン処理
US8848250B2 (en) * 2012-10-23 2014-09-30 Kyocera Document Solutions Inc. Compression of halftoned digital images
JP6531471B2 (ja) * 2014-07-29 2019-06-19 株式会社リコー 画像形成装置、ディザパターン生成装置およびディザパターン生成方法
CN112129425B (zh) * 2020-09-04 2022-04-08 三峡大学 基于单调邻域均值的大坝混凝土浇筑光纤测温数据重采样方法

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Publication number Priority date Publication date Assignee Title
US3961134A (en) * 1975-05-09 1976-06-01 Bell Telephone Laboratories, Incorporated Bi-level display system
FR2329124A1 (fr) * 1975-10-24 1977-05-20 Telecommunications Sa Codeur-decodeur d'images a transformee matricielle avec ponderation des contributions des points de l'image a la formation de la transformee
US4409623A (en) * 1981-01-31 1983-10-11 Nippon Telegraph & Telephone Public Corporation Method and equipment for processing gray scale facsimile signal
JPS57142072A (en) * 1981-02-27 1982-09-02 Canon Inc Video signal processor
DE3226034C2 (de) * 1981-07-11 1984-12-06 Ricoh Co., Ltd., Tokio/Tokyo Verfahren zur Verarbeitung eines Halbtonbildes
US4578713A (en) * 1984-07-20 1986-03-25 The Mead Corporation Multiple mode binary image processing

Also Published As

Publication number Publication date
DE3501830C2 (cg-RX-API-DMAC7.html) 1991-04-18
US4760460A (en) 1988-07-26
DE3501830A1 (de) 1985-07-25

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