DE69220190D1 - Rasterpufferspeicher mit aufgeteiltem Pegel - Google Patents

Rasterpufferspeicher mit aufgeteiltem Pegel

Info

Publication number
DE69220190D1
DE69220190D1 DE69220190T DE69220190T DE69220190D1 DE 69220190 D1 DE69220190 D1 DE 69220190D1 DE 69220190 T DE69220190 T DE 69220190T DE 69220190 T DE69220190 T DE 69220190T DE 69220190 D1 DE69220190 D1 DE 69220190D1
Authority
DE
Germany
Prior art keywords
buffer memory
raster buffer
divided level
divided
level
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
DE69220190T
Other languages
English (en)
Other versions
DE69220190T2 (de
Inventor
Steven J Harrington
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE69220190D1 publication Critical patent/DE69220190D1/de
Application granted granted Critical
Publication of DE69220190T2 publication Critical patent/DE69220190T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Image Input (AREA)
DE69220190T 1991-11-26 1992-11-25 Rasterpufferspeicher mit aufgeteiltem Pegel Expired - Fee Related DE69220190T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/797,876 US5276532A (en) 1991-11-26 1991-11-26 Split-level frame buffer

Publications (2)

Publication Number Publication Date
DE69220190D1 true DE69220190D1 (de) 1997-07-10
DE69220190T2 DE69220190T2 (de) 1997-11-20

Family

ID=25172009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220190T Expired - Fee Related DE69220190T2 (de) 1991-11-26 1992-11-25 Rasterpufferspeicher mit aufgeteiltem Pegel

Country Status (4)

Country Link
US (1) US5276532A (de)
EP (1) EP0544510B1 (de)
JP (1) JPH05324809A (de)
DE (1) DE69220190T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3437197B2 (ja) * 1992-09-28 2003-08-18 キヤノン株式会社 画像処理装置
US5583953A (en) * 1993-06-30 1996-12-10 Xerox Corporation Intelligent doubling for low-cost image buffers
US5568269A (en) * 1993-09-02 1996-10-22 Eastman Kodak Company Method and apparatus for scanning and printing documents with text and images
US5374957A (en) * 1993-11-24 1994-12-20 Xerox Corporation Decompression method and apparatus for split level image buffer
US5684895A (en) * 1995-05-11 1997-11-04 Xerox Corporation Method for decoding a compressed image
US5644406A (en) * 1995-05-11 1997-07-01 Xerox Corporation Method for selecting an optimum encoding process for a block of pixels from a plurality of predefined encoding processes
US5682249A (en) * 1995-05-11 1997-10-28 Xerox Corporation Method of encoding an image at full resolution for storing in a reduced image buffer
US6208319B1 (en) 1996-03-26 2001-03-27 Fourie, Inc. Display device
US5920653A (en) * 1996-10-22 1999-07-06 Hewlett-Packard Company Multiple spatial channel printing
US5995716A (en) * 1997-01-21 1999-11-30 Xerox Corporation System for organizing codes representing selectable colors in a digital printing apparatus
US6205198B1 (en) * 1998-09-16 2001-03-20 Canon Kabushiki Kaisha Exposure compensation for digital radiography systems using spatial look-up tables
US6738159B2 (en) 1999-09-30 2004-05-18 Xerox Corporation Method and apparatus for implementing a trapping operation on a digital image
US7567248B1 (en) * 2004-04-28 2009-07-28 Mark William R System and method for computing intersections between rays and surfaces
US8208175B2 (en) * 2005-04-13 2012-06-26 Xerox Corporation Blended error diffusion and adaptive quantization
US7636480B2 (en) * 2005-06-10 2009-12-22 Xerox Corporation Super resolution encoding
TWI517137B (zh) * 2013-06-05 2016-01-11 晨星半導體股份有限公司 將影像寫入記憶體的方法及其裝置
US9836809B2 (en) * 2015-09-25 2017-12-05 Intel Corporation Method and apparatus for adaptive pixel hashing for graphics processors

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215773A (en) * 1962-05-14 1965-11-02 Philco Corp Reduced bandwidth data transmission system
IL51719A (en) * 1976-04-08 1979-11-30 Hughes Aircraft Co Raster type display system
US4507685A (en) * 1982-06-25 1985-03-26 Canon Kabushiki Kaisha Image recording device
JPS60253368A (ja) * 1983-11-10 1985-12-14 Dainippon Screen Mfg Co Ltd 複製画像記録表示等に於けるｊａｇ除去方法
JPS60148279A (ja) * 1983-12-28 1985-08-05 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 画像処理システム
JPS6110360A (ja) * 1984-06-26 1986-01-17 Canon Inc 画像処理装置
US4618990A (en) * 1984-11-15 1986-10-21 General Electric Company Edge enhancement filtering for digital fluorography images
GB8514608D0 (en) * 1985-06-10 1985-07-10 Crosfield Electronics Ltd Colour modification in image reproduction systems
IE852259L (en) * 1985-09-13 1987-03-13 Scottish & Newcastle Breweries A method and apparatus for constructing, storing and¹displaying characters
JP2572373B2 (ja) * 1986-01-14 1997-01-16 株式会社 アスキ− カラ−デイスプレイ装置
JP2501195B2 (ja) * 1986-04-30 1996-05-29 シャープ株式会社 カラ−画像処理装置
US4790028A (en) * 1986-09-12 1988-12-06 Westinghouse Electric Corp. Method and apparatus for generating variably scaled displays
US4974071A (en) * 1987-04-28 1990-11-27 Canon Kabushiki Kaisha Color image data encoding apparatus having improved resolution/efficiency characteristics
US4743962A (en) * 1987-06-08 1988-05-10 Tektronix, Inc. Method of creating a representation of a colored image
JP2690110B2 (ja) * 1988-08-15 1997-12-10 沖電気工業株式会社 走査変換方法
JPH0372778A (ja) * 1989-08-11 1991-03-27 Fuji Xerox Co Ltd 画像処理装置の領域識別方式
US5126726A (en) * 1989-12-27 1992-06-30 General Electric Company Picture element encoding
US5046119A (en) * 1990-03-16 1991-09-03 Apple Computer, Inc. Method and apparatus for compressing and decompressing color video data with an anti-aliasing mode

Also Published As

Publication number Publication date
US5276532A (en) 1994-01-04
EP0544510A2 (de) 1993-06-02
DE69220190T2 (de) 1997-11-20
EP0544510B1 (de) 1997-06-04
EP0544510A3 (en) 1995-03-01
JPH05324809A (ja) 1993-12-10

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Legal Events

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