DE69841234D1 - Auf Leuchtdichte basierte Verbesserung der Farbenauslösung - Google Patents

Auf Leuchtdichte basierte Verbesserung der Farbenauslösung

Info

Publication number
DE69841234D1
DE69841234D1 DE69841234T DE69841234T DE69841234D1 DE 69841234 D1 DE69841234 D1 DE 69841234D1 DE 69841234 T DE69841234 T DE 69841234T DE 69841234 T DE69841234 T DE 69841234T DE 69841234 D1 DE69841234 D1 DE 69841234D1
Authority
DE
Germany
Prior art keywords
based color
color enhancement
luminance based
enhancement improvement
improvement
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
DE69841234T
Other languages
English (en)
Inventor
Richard Benear
James R Nottingham
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69841234D1 publication Critical patent/DE69841234D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06T3/403—Edge-driven scaling
    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • 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
    • H04N1/56—Processing of colour picture signals
    • H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Generation (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Processing Of Color Television Signals (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Record Information Processing For Printing (AREA)
  • Color Image Communication Systems (AREA)
  • Color, Gradation (AREA)
DE69841234T 1997-05-28 1998-04-30 Auf Leuchtdichte basierte Verbesserung der Farbenauslösung Expired - Fee Related DE69841234D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/864,944 US6556311B1 (en) 1997-05-28 1997-05-28 Luminance-based color resolution enhancement

Publications (1)

Publication Number Publication Date
DE69841234D1 true DE69841234D1 (de) 2009-11-26

Family

ID=25344383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69841234T Expired - Fee Related DE69841234D1 (de) 1997-05-28 1998-04-30 Auf Leuchtdichte basierte Verbesserung der Farbenauslösung

Country Status (4)

Country Link
US (1) US6556311B1 (de)
EP (1) EP0881822B1 (de)
JP (1) JP4045015B2 (de)
DE (1) DE69841234D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6654147B1 (en) * 1998-07-06 2003-11-25 Creo Il Ltd. Anti-aliasing for digital printing
US7003176B1 (en) 1999-05-06 2006-02-21 Ricoh Company, Ltd. Method, computer readable medium and apparatus for converting color image resolution
EP1126410A1 (de) * 2000-02-14 2001-08-22 Koninklijke Philips Electronics N.V. Bildsignalverbesserung
US6778296B1 (en) 2000-03-27 2004-08-17 Destiny Technology Corporation Color imaging processing method with boundary detection and enhancement
US6750986B1 (en) 2000-03-27 2004-06-15 Destiny Technology Corporation Color image processing method with thin-line detection and enhancement
JP3726653B2 (ja) 2000-07-27 2005-12-14 ノーリツ鋼機株式会社 画像処理方法、画像処理装置および画像処理方法を実行するプログラムを記録した記録媒体
US7079287B1 (en) 2000-08-01 2006-07-18 Eastman Kodak Company Edge enhancement of gray level images
US7218420B1 (en) 2000-08-01 2007-05-15 Eastman Kodak Company Gray level halftone processing
US7079281B1 (en) 2000-08-01 2006-07-18 Eastman Kodak Company Edge enhancement processor and method with adjustable threshold setting
US7009739B1 (en) 2000-10-30 2006-03-07 Xerox Corporation Color to black and white converter
US7453468B2 (en) * 2000-11-29 2008-11-18 Xerox Corporation Intelligent color to texture converter
US6738517B2 (en) * 2000-12-19 2004-05-18 Xerox Corporation Document image segmentation using loose gray scale template matching
US6751362B2 (en) * 2001-01-11 2004-06-15 Micron Technology, Inc. Pixel resampling system and method for text
US6816612B2 (en) * 2001-06-29 2004-11-09 Mustek Systems Inc. Multi-mode image processing method and a system thereof
JP4581999B2 (ja) * 2003-09-09 2010-11-17 セイコーエプソン株式会社 画像処理装置および画像処理方法
KR100619365B1 (ko) * 2003-11-03 2006-09-12 삼성전기주식회사 회절 다중빔을 이용한 스캐닝 장치
US7050065B1 (en) 2004-04-15 2006-05-23 Nvidia Corporation Minimalist color space converters for optimizing image processing operations
EP1741282A1 (de) * 2004-04-30 2007-01-10 Nvidia Corporation Verfahren und vorrichtung zur vertikalen skalierung von pixeldaten
US7609269B2 (en) 2006-05-04 2009-10-27 Microsoft Corporation Assigning color values to pixels based on object structure
US8339411B2 (en) * 2006-05-04 2012-12-25 Microsoft Corporation Assigning color values to pixels based on object structure
US8594441B1 (en) 2006-09-12 2013-11-26 Nvidia Corporation Compressing image-based data using luminance
JP4743065B2 (ja) * 2006-09-27 2011-08-10 ブラザー工業株式会社 画像認識装置、複写装置及び画像認識方法
US8724895B2 (en) 2007-07-23 2014-05-13 Nvidia Corporation Techniques for reducing color artifacts in digital images
US8780128B2 (en) * 2007-12-17 2014-07-15 Nvidia Corporation Contiguously packed data
US8373718B2 (en) * 2008-12-10 2013-02-12 Nvidia Corporation Method and system for color enhancement with color volume adjustment and variable shift along luminance axis
SG11201608264YA (en) 2014-05-06 2016-10-28 Intel Corp Multi-layer package with integrated antenna
US10163191B2 (en) * 2015-03-24 2018-12-25 Novatek Microelectronics Corp. Method of scaling up image
US11935185B2 (en) * 2020-03-18 2024-03-19 Intel Corporation Content based anti-aliasing for image downscale

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2523889B2 (ja) 1989-08-25 1996-08-14 松下電器産業株式会社 隠れ面処理装置
JP3142550B2 (ja) 1990-02-21 2001-03-07 株式会社リコー 図形処理装置
US5299308A (en) 1990-02-28 1994-03-29 Ricoh Company, Ltd. Graphic data processing apparatus for producing a tone for an edge pixel and reducing aliasing effects
AU658014B2 (en) * 1991-11-19 1995-03-30 Macrovision Corporation Method and apparatus for scrambling and descrambling of video signals with edge fill
US5561721A (en) * 1993-10-29 1996-10-01 Eastman Kodak Company Method for enhancing binary-rendered graphics and text for multi-level printing
US5742703A (en) 1995-10-11 1998-04-21 Xerox Corporation Method and apparatus for the resolution enhancement of gray-scale images that include text and line art

Also Published As

Publication number Publication date
JPH10334228A (ja) 1998-12-18
US6556311B1 (en) 2003-04-29
EP0881822A2 (de) 1998-12-02
EP0881822A3 (de) 1999-11-24
EP0881822B1 (de) 2009-10-14
JP4045015B2 (ja) 2008-02-13

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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