ATE131328T1 - Gerät zur verbesserung der schärfe bei einem farbbild. - Google Patents

Gerät zur verbesserung der schärfe bei einem farbbild.

Info

Publication number
ATE131328T1
ATE131328T1 AT91302943T AT91302943T ATE131328T1 AT E131328 T1 ATE131328 T1 AT E131328T1 AT 91302943 T AT91302943 T AT 91302943T AT 91302943 T AT91302943 T AT 91302943T AT E131328 T1 ATE131328 T1 AT E131328T1
Authority
AT
Austria
Prior art keywords
color image
sharpness
improving
color
signals
Prior art date
Application number
AT91302943T
Other languages
English (en)
Inventor
Michael Nagler
Haim Zvi Melman
Original Assignee
Scitex Corp 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
Priority claimed from IL94215A external-priority patent/IL94215A0/xx
Priority claimed from IL9495690A external-priority patent/IL94956A/en
Application filed by Scitex Corp Ltd filed Critical Scitex Corp Ltd
Application granted granted Critical
Publication of ATE131328T1 publication Critical patent/ATE131328T1/de

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
    • 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)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Liquid Crystal (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Color, Gradation (AREA)
AT91302943T 1990-04-26 1991-04-04 Gerät zur verbesserung der schärfe bei einem farbbild. ATE131328T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL94215A IL94215A0 (en) 1990-04-26 1990-04-26 Apparatus for sharpening a color image
IL9495690A IL94956A (en) 1990-07-03 1990-07-03 Facility to sharpen a colorful figure

Publications (1)

Publication Number Publication Date
ATE131328T1 true ATE131328T1 (de) 1995-12-15

Family

ID=26322080

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91302943T ATE131328T1 (de) 1990-04-26 1991-04-04 Gerät zur verbesserung der schärfe bei einem farbbild.

Country Status (6)

Country Link
US (1) US5247352A (de)
EP (1) EP0457427B1 (de)
JP (1) JPH04229766A (de)
AT (1) ATE131328T1 (de)
CA (1) CA2040937A1 (de)
DE (1) DE69115117T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2852390B2 (ja) * 1991-02-16 1999-02-03 株式会社半導体エネルギー研究所 表示装置
US5237402A (en) * 1991-07-30 1993-08-17 Polaroid Corporation Digital image processing circuitry
JP2740409B2 (ja) * 1992-04-21 1998-04-15 大日本スクリーン製造株式会社 シャープネス処理装置
US5384862A (en) * 1992-05-29 1995-01-24 Cimpiter Corporation Radiographic image evaluation apparatus and method
DE4225508C2 (de) * 1992-08-01 1994-07-28 Hell Ag Linotype Verfahren und Schaltungsanordnung zur Kontraststeigerung
DE4343362C2 (de) * 1993-04-08 1996-08-14 Linotype Hell Ag Werk Kiel Verfahren zur Erzeugung harmonischer Farbkorrekturen
US5383036A (en) * 1993-09-29 1995-01-17 Xerox Corporation Enhancement of multiple color images without color separation error by inverse symmetrical template matching
US5363209A (en) * 1993-11-05 1994-11-08 Xerox Corporation Image-dependent sharpness enhancement
JP3370817B2 (ja) * 1995-03-16 2003-01-27 大日本スクリーン製造株式会社 コントラスト修正装置
US5581370A (en) * 1995-06-05 1996-12-03 Xerox Corporation Image-dependent automatic area of interest enhancement
JP3356201B2 (ja) * 1996-04-12 2002-12-16 ソニー株式会社 ビデオカメラおよび輪郭強調装置
DE19722761B4 (de) * 1997-06-02 2006-06-01 Hell Gravure Systems Gmbh Verfahren zur Aufbereitung von Bilddaten
US6563601B1 (en) * 1997-07-28 2003-05-13 Canon Business Machines, Inc. System for printing image data divided at a break point
JPH11305743A (ja) 1998-04-23 1999-11-05 Semiconductor Energy Lab Co Ltd 液晶表示装置
US6224189B1 (en) * 1999-08-26 2001-05-01 Xerox Corporation Enhanced text and line-art quality for multi-resolution marking devices
FI115942B (fi) * 2002-10-14 2005-08-15 Nokia Corp Menetelmä kuvien interpoloimiseksi ja terävöittämiseksi
JP4245019B2 (ja) * 2006-09-04 2009-03-25 ソニー株式会社 ビューファインダ、撮像装置および表示信号生成回路
US20080229370A1 (en) * 2007-03-13 2008-09-18 Zustak Frederick J TV-centric system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55146451A (en) * 1979-05-02 1980-11-14 Dainippon Screen Mfg Co Ltd Sharpness emphasis method in image scanning recorder
DE3270088D1 (en) * 1982-07-03 1986-04-30 Hell Rudolf Dr Ing Gmbh Method and arrangement for contrast enhancement
US4734763A (en) * 1983-07-04 1988-03-29 Fuji Photo Film Co., Ltd. Apparatus for generating positive or negative image output signals from either positive or negative originals
US4672431A (en) * 1983-10-26 1987-06-09 Harris Corporation Contour correction system when one color signal is low
JPS60169274A (ja) * 1984-02-10 1985-09-02 Dainippon Screen Mfg Co Ltd 画像走査記録装置に於ける輪郭強調信号処理方法
JP2677283B2 (ja) * 1984-06-14 1997-11-17 キヤノン株式会社 カラー画像処理装置
DE68916661T2 (de) * 1988-02-05 1994-11-10 Dainippon Screen Mfg Bildschärfeverbesserungsverfahren und -prozessor für Bildreproduktion mit Abtaster.

Also Published As

Publication number Publication date
EP0457427A3 (en) 1993-02-10
DE69115117D1 (de) 1996-01-18
US5247352A (en) 1993-09-21
EP0457427B1 (de) 1995-12-06
DE69115117T2 (de) 1996-05-09
JPH04229766A (ja) 1992-08-19
CA2040937A1 (en) 1991-10-27
EP0457427A2 (de) 1991-11-21

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties