DE69127135T2 - Anordnung zur Verarbeitung von Bildsignalen - Google Patents

Anordnung zur Verarbeitung von Bildsignalen

Info

Publication number
DE69127135T2
DE69127135T2 DE69127135T DE69127135T DE69127135T2 DE 69127135 T2 DE69127135 T2 DE 69127135T2 DE 69127135 T DE69127135 T DE 69127135T DE 69127135 T DE69127135 T DE 69127135T DE 69127135 T2 DE69127135 T2 DE 69127135T2
Authority
DE
Germany
Prior art keywords
arrangement
image signals
processing image
processing
signals
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
DE69127135T
Other languages
English (en)
Other versions
DE69127135D1 (de
Inventor
Kazuya Masuda
Kouji Yamaji
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE69127135D1 publication Critical patent/DE69127135D1/de
Application granted granted Critical
Publication of DE69127135T2 publication Critical patent/DE69127135T2/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
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
DE69127135T 1990-05-30 1991-05-28 Anordnung zur Verarbeitung von Bildsignalen Expired - Fee Related DE69127135T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2142126A JP2610696B2 (ja) 1990-05-30 1990-05-30 画像信号処理装置

Publications (2)

Publication Number Publication Date
DE69127135D1 DE69127135D1 (de) 1997-09-11
DE69127135T2 true DE69127135T2 (de) 1998-02-12

Family

ID=15307990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127135T Expired - Fee Related DE69127135T2 (de) 1990-05-30 1991-05-28 Anordnung zur Verarbeitung von Bildsignalen

Country Status (4)

Country Link
US (1) US5297221A (de)
EP (1) EP0459389B1 (de)
JP (1) JP2610696B2 (de)
DE (1) DE69127135T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432741C2 (de) * 1993-09-14 1997-01-30 Ricoh Kk Bildverarbeitungseinrichtung
US5901243A (en) * 1996-09-30 1999-05-04 Hewlett-Packard Company Dynamic exposure control in single-scan digital input devices
US20020146171A1 (en) * 2000-10-01 2002-10-10 Applied Science Fiction, Inc. Method, apparatus and system for black segment detection
JP6361111B2 (ja) * 2013-10-31 2018-07-25 株式会社Ｊｖｃケンウッド 画像処理装置、画像処理方法および投射装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554593A (en) * 1981-01-02 1985-11-19 International Business Machines Corporation Universal thresholder/discriminator
JPS5810963A (ja) * 1981-07-14 1983-01-21 Ricoh Co Ltd 画像補正処理方法
US4525747A (en) * 1981-08-06 1985-06-25 Toshiyuki Sakai Analog-to-digital image signal conversion
JPS5954376A (ja) * 1982-09-21 1984-03-29 Konishiroku Photo Ind Co Ltd 画像処理方法
US4709274A (en) * 1983-08-29 1987-11-24 Canon Kabushiki Kaisha Image processing apparatus
JPS60236580A (ja) * 1984-05-10 1985-11-25 Fuji Xerox Co Ltd 画像処理装置
US4760541A (en) * 1986-01-29 1988-07-26 General Electric Company Two dimensional digital spatial filter for enhancement of point sources
US4761819A (en) * 1987-02-27 1988-08-02 Picker International, Inc. Adaptive noise reduction filter for reconstructed images
JP2575476B2 (ja) * 1988-10-20 1997-01-22 富士写真フイルム株式会社 画像信号処理方法およびその装置
JPH03502975A (ja) * 1988-12-27 1991-07-04 イーストマン・コダック・カンパニー 画像鮮明化及び雑音抑制のための中心重み付き局所分散を用いた不鮮明なマスキング

Also Published As

Publication number Publication date
EP0459389A3 (en) 1992-12-30
US5297221A (en) 1994-03-22
JP2610696B2 (ja) 1997-05-14
EP0459389B1 (de) 1997-08-06
JPH0435466A (ja) 1992-02-06
DE69127135D1 (de) 1997-09-11
EP0459389A2 (de) 1991-12-04

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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