ES2117101T3 - Aparato para el proceso y comunicacion de imagenes. - Google Patents

Aparato para el proceso y comunicacion de imagenes.

Info

Publication number
ES2117101T3
ES2117101T3 ES93305625T ES93305625T ES2117101T3 ES 2117101 T3 ES2117101 T3 ES 2117101T3 ES 93305625 T ES93305625 T ES 93305625T ES 93305625 T ES93305625 T ES 93305625T ES 2117101 T3 ES2117101 T3 ES 2117101T3
Authority
ES
Spain
Prior art keywords
resolution
selection
200dpi
400dpi
precision
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
ES93305625T
Other languages
English (en)
Inventor
Masahiro Murayama
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 ES2117101T3 publication Critical patent/ES2117101T3/es
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
    • H04N1/46—Colour picture communication systems
    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/333—Mode signalling or mode changing; Handshaking therefor
    • H04N1/33307—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

UN APARATO QUE TIENE EL METODO G4 Y EL METODO JPEG PERMITE LA SELECCION DE RESOLUCION NORMALIZADA (200DPI X 200DPI) O, RESOLUCION DE PRECISION (400DPI X 400DPI), USANDO UNA TECLA DE SELECCION DE RESOLUCION DE LA UNIDAD (26) DE OPERACION, PARA MEJORAR LA OPERATIVIDAD Y AUMENTAR LA AMPLITUD DE SELECCION DE CALIDAD DE IMAGEN. PARA CADA SELECCION DE RESOLUCION NORMALIZADA O RESOLUCION DE PRECISION, LA INFORMACION DE RESOLUCION Y CODIGO PARA DESIGNAR LA TABLA DE CUANTIFICACION, A USAR CON JEPG, SE ALMACENAN EN RAM (16), SIENDO PROTEGIDA SU AREA DE MEMORIA POR UNA BATERIA.
ES93305625T 1992-07-20 1993-07-19 Aparato para el proceso y comunicacion de imagenes. Expired - Lifetime ES2117101T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19211692 1992-07-20
JP19211792 1992-07-20

Publications (1)

Publication Number Publication Date
ES2117101T3 true ES2117101T3 (es) 1998-08-01

Family

ID=26507116

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93305625T Expired - Lifetime ES2117101T3 (es) 1992-07-20 1993-07-19 Aparato para el proceso y comunicacion de imagenes.

Country Status (4)

Country Link
US (1) US5488483A (es)
EP (2) EP0833496B1 (es)
DE (2) DE69332344T2 (es)
ES (1) ES2117101T3 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3363515B2 (ja) * 1993-05-27 2003-01-08 キヤノン株式会社 画像通信装置
JP3059615B2 (ja) * 1993-10-27 2000-07-04 キヤノン株式会社 印刷システム及び印刷制御装置及び制御方法
JPH07274006A (ja) * 1994-03-28 1995-10-20 Mitsubishi Electric Corp 画像処理装置及びスキャナ装置及びプリンタ装置及びディジタル複写機及びディスプレイ装置
US5706096A (en) * 1994-04-25 1998-01-06 Ricoh Company, Ltd. Optimum line density determining method and system
JPH07298061A (ja) * 1994-04-28 1995-11-10 Canon Inc カラーファクシミリ装置
JP3397521B2 (ja) * 1994-07-18 2003-04-14 キヤノン株式会社 ファクシミリ装置
US5978514A (en) * 1994-11-10 1999-11-02 Kabushiki Kaisha Toshiba Image data coding and decoding system for efficiently compressing information using the shape and position of the image content
US6046825A (en) * 1995-05-12 2000-04-04 Canon Kabushiki Kaisha Facsimile apparatus controlling communication in accordance with registered execution of the error correction mode
US6697525B1 (en) 1998-10-02 2004-02-24 Parthusceva Ltd. System method and apparatus for performing a transform on a digital image
US6747762B1 (en) 1999-11-05 2004-06-08 Sharp Laboratories Of America, Inc. Method for optimizing compression of scanned data
US7119915B2 (en) * 2000-02-21 2006-10-10 Canon Kabushiki Kaisha Communication apparatus and method
US6727921B1 (en) * 2000-03-20 2004-04-27 International Business Machines Corporation Mixed mode input for a graphical user interface (GUI) of a data processing system
US6868186B1 (en) 2000-07-13 2005-03-15 Ceva D.S.P. Ltd. Visual lossless image compression
DE10048735A1 (de) * 2000-09-29 2002-04-11 Bosch Gmbh Robert Verfahren zur Codierung und Decodierung von Bildsequenzen sowie Einrichtungen hierzu
JP2002191050A (ja) * 2000-12-22 2002-07-05 Fuji Xerox Co Ltd 画像符号化装置および方法
US7145676B2 (en) * 2001-01-31 2006-12-05 Hewlett-Packard Development Company, L.P. Compound document image compression using multi-region two layer format
JP3970551B2 (ja) * 2001-05-09 2007-09-05 シャープ株式会社 画像送信装置
US7126955B2 (en) 2003-01-29 2006-10-24 F5 Networks, Inc. Architecture for efficient utilization and optimum performance of a network
US8159940B1 (en) 2004-11-11 2012-04-17 F5 Networks, Inc. Obtaining high availability using TCP proxy devices
US7783781B1 (en) 2005-08-05 2010-08-24 F5 Networks, Inc. Adaptive compression
US8275909B1 (en) 2005-12-07 2012-09-25 F5 Networks, Inc. Adaptive compression
US7882084B1 (en) 2005-12-30 2011-02-01 F5 Networks, Inc. Compression of data transmitted over a network
US8417833B1 (en) 2006-11-29 2013-04-09 F5 Networks, Inc. Metacodec for optimizing network data compression based on comparison of write and read rates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974097A (en) * 1986-11-18 1990-11-27 Canon Kabushiki Kaisha Data communication apparatus
JPH07118754B2 (ja) * 1987-04-15 1995-12-18 キヤノン株式会社 画像通信装置
JPH01279671A (ja) * 1988-05-06 1989-11-09 Hitachi Ltd 文書画像データの符号化方式
US5079638A (en) * 1988-07-05 1992-01-07 Minolta Camera Co., Ltd. Image reading apparatus
DE4034540C2 (de) * 1989-10-31 1999-11-11 Canon Kk Verfahren und Gerät zur Bildverarbeitung
DE69131809T2 (de) * 1990-09-04 2000-05-11 Canon Kk Bildverarbeitungsverfahren und -gerät

Also Published As

Publication number Publication date
US5488483A (en) 1996-01-30
DE69332344D1 (de) 2002-10-31
DE69332344T2 (de) 2003-06-05
EP0833496A3 (en) 1998-11-18
EP0580375A1 (en) 1994-01-26
DE69319186D1 (de) 1998-07-23
DE69319186T2 (de) 1998-11-12
EP0833496A2 (en) 1998-04-01
EP0580375B1 (en) 1998-06-17
EP0833496B1 (en) 2002-09-25

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