DE69127922D1 - Bildübertragungsgerät und Bildübertragungsverfahren - Google Patents

Bildübertragungsgerät und Bildübertragungsverfahren

Info

Publication number
DE69127922D1
DE69127922D1 DE69127922T DE69127922T DE69127922D1 DE 69127922 D1 DE69127922 D1 DE 69127922D1 DE 69127922 T DE69127922 T DE 69127922T DE 69127922 T DE69127922 T DE 69127922T DE 69127922 D1 DE69127922 D1 DE 69127922D1
Authority
DE
Germany
Prior art keywords
image transmission
transmission device
transmission method
image
transmission
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 - Fee Related
Application number
DE69127922T
Other languages
English (en)
Other versions
DE69127922T2 (de
Inventor
Kagami Naoto
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
Publication of DE69127922D1 publication Critical patent/DE69127922D1/de
Application granted granted Critical
Publication of DE69127922T2 publication Critical patent/DE69127922T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/32—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
    • H04N1/33338—Mode signalling or mode changing; Handshaking therefor adapting to particular facsimile group, e.g. G3
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image
    • G06T3/40—Scaling the whole image or part thereof
    • 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
    • H04N1/33315—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only reading or reproducing mode only, e.g. sheet size, resolution
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
DE69127922T 1990-04-06 1991-04-05 Bildübertragungsgerät und Bildübertragungsverfahren Expired - Fee Related DE69127922T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9038190 1990-04-06
JP9038090 1990-04-06

Publications (2)

Publication Number Publication Date
DE69127922D1 true DE69127922D1 (de) 1997-11-20
DE69127922T2 DE69127922T2 (de) 1998-03-05

Family

ID=26431867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127922T Expired - Fee Related DE69127922T2 (de) 1990-04-06 1991-04-05 Bildübertragungsgerät und Bildübertragungsverfahren

Country Status (3)

Country Link
US (1) US5305116A (de)
EP (1) EP0451722B1 (de)
DE (1) DE69127922T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69131937T2 (de) * 1990-11-21 2000-06-15 Canon Kk Farbbildübertragung
US5566003A (en) * 1992-01-21 1996-10-15 Canon Kabushiki Kaisha Image processing system in which the transmitter and receiver have different data resolutions and data is transmitted at the receiver resolution
US5644366A (en) * 1992-01-29 1997-07-01 Canon Kabushiki Kaisha Image reproduction involving enlargement or reduction of extracted contour vector data for binary regions in images having both binary and halftone regions
JPH05336365A (ja) * 1992-05-28 1993-12-17 Canon Inc 画像形成装置
JP3302113B2 (ja) * 1993-07-23 2002-07-15 キヤノン株式会社 画像形成装置及び画像形成装置の出力特性設定方法
DE69433603D1 (de) * 1993-10-26 2004-04-15 Canon Kk Bildverarbeitungsverfahren und -gerät
JPH07298061A (ja) * 1994-04-28 1995-11-10 Canon Inc カラーファクシミリ装置
JP3605140B2 (ja) * 1994-06-03 2004-12-22 株式会社リコー デジタル複写装置
US6147771A (en) * 1997-04-24 2000-11-14 Konica Corporation Method of image density adjustment and apparatus using the method
US6160249A (en) * 1998-10-08 2000-12-12 Hewlett-Packard Company Adaptive resolution scanning
US6356670B1 (en) * 1999-02-23 2002-03-12 Hewlett-Packard Co. Conversion of error-diffused facsimile images to lower resolutions
JP3639742B2 (ja) * 1999-03-30 2005-04-20 キヤノン株式会社 画像処理装置及びその方法
US20020089702A1 (en) * 2000-10-31 2002-07-11 Akihiro Yoshitani Image processing apparatus and method
US20080216840A1 (en) 2007-03-06 2008-09-11 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Imaging via the airway
US9734409B2 (en) * 2015-06-24 2017-08-15 Netflix, Inc. Determining native resolutions of video sequences

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183265A (ja) * 1986-02-07 1987-08-11 Canon Inc 画像デ−タ伝送システム
US4841375A (en) * 1986-05-29 1989-06-20 Kabushiki Kaisha Toshiba Image-resolution conversion apparatus for converting a pixel-density of image data
DE3739030B4 (de) * 1986-11-18 2005-03-31 Canon K.K. Anlage zur Datenübertragung in mehreren Übertragungs-Betriebsarten
US4974097A (en) * 1986-11-18 1990-11-27 Canon Kabushiki Kaisha Data communication apparatus
JPS63146558A (ja) * 1986-12-09 1988-06-18 Hitachi Ltd フアクシミリ通信方式
US5041915A (en) * 1988-05-10 1991-08-20 Canon Kabushiki Kaisha Facsimile apparatus with controllable pixel density for image formation
JPH0253382A (ja) * 1988-08-18 1990-02-22 Ricoh Co Ltd ファクシミリ装置の制御方式
EP0361857B1 (de) * 1988-09-27 1995-12-06 Canon Kabushiki Kaisha Aufzeichnungsgerät
US5289293A (en) * 1989-03-14 1994-02-22 Canon Kabushiki Kaisha Pixel density conversion and processing

Also Published As

Publication number Publication date
US5305116A (en) 1994-04-19
EP0451722A2 (de) 1991-10-16
EP0451722B1 (de) 1997-10-15
DE69127922T2 (de) 1998-03-05
EP0451722A3 (en) 1992-09-02

Similar Documents

Publication Publication Date Title
DE69128981D1 (de) Geheimübertragungsverfahren und Geheimübertragungseinrichtung
DE69222259D1 (de) Bilderzeugungsgerät und -verfahren
DE4497968T1 (de) Abbildungsverfahren und Abbildungseinrichtung
DE69432097T2 (de) Abbildungsgerät und -verfahren
DE69426658T2 (de) Abbildungsgerät und -verfahren
DE69128188T2 (de) Bildverarbeitungsverfahren und -gerät
DE69332344D1 (de) Bildverarbeitungsgerät und Bildübertragungsgerät
DE69417707D1 (de) Bildübertragungsgerät und -methode
DE69216696D1 (de) Bildkommunikationsgerät und -verfahren
DE69122639D1 (de) Bildverarbeitungsverfahren und -vorrichtung
DE69127922D1 (de) Bildübertragungsgerät und Bildübertragungsverfahren
DE69126467T2 (de) Bildverarbeitungsverfahren und -gerät
DE69030492T2 (de) Bildübertragungsgerät und -verfahren
DE69130025T2 (de) Bildverarbeitungsverfahren und -gerät
DE69431650T2 (de) Bildübertragungsgerät und -verfahren
DE69117629T2 (de) Bildänderungsverfahren und -gerät
DE69130191D1 (de) Übertragungsverfahren und -gerät
DE69126370T2 (de) Bildverarbeitungsgerät und Bildverarbeitungsverfahren
DE69221183T2 (de) Bildübertragungsverfahren und -gerät
DE69031779D1 (de) Bildübertragungsgerät und -verfahren
DE69224594D1 (de) Bildübertragungsverfahren und Vorrichtung dafür
DE69123067D1 (de) Bildverarbeitungsvorrichtung und -verfahren
DE69033066T2 (de) Bildübertragungsverfahren und Vorrichtung
DE69118328D1 (de) Bildverarbeitungsverfahren und -gerät

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee