DE69807034D1 - Histogrammgenerator - Google Patents

Histogrammgenerator

Info

Publication number
DE69807034D1
DE69807034D1 DE69807034T DE69807034T DE69807034D1 DE 69807034 D1 DE69807034 D1 DE 69807034D1 DE 69807034 T DE69807034 T DE 69807034T DE 69807034 T DE69807034 T DE 69807034T DE 69807034 D1 DE69807034 D1 DE 69807034D1
Authority
DE
Germany
Prior art keywords
histogram generator
histogram
generator
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
DE69807034T
Other languages
English (en)
Other versions
DE69807034T2 (de
Inventor
Masahiro Takeshima
Atsuhisa Kageyama
Minoru Kawabata
Hiroko Sugimoto
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69807034D1 publication Critical patent/DE69807034D1/de
Publication of DE69807034T2 publication Critical patent/DE69807034T2/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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Picture Signal Circuits (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Studio Devices (AREA)
  • Studio Circuits (AREA)
DE69807034T 1997-03-06 1998-03-05 Histogrammgenerator Expired - Fee Related DE69807034T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5134197 1997-03-06
PCT/JP1998/000912 WO1998039912A1 (en) 1997-03-06 1998-03-05 Histogram generator

Publications (2)

Publication Number Publication Date
DE69807034D1 true DE69807034D1 (de) 2002-09-12
DE69807034T2 DE69807034T2 (de) 2002-12-05

Family

ID=12884237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69807034T Expired - Fee Related DE69807034T2 (de) 1997-03-06 1998-03-05 Histogrammgenerator

Country Status (10)

Country Link
US (1) US6252983B1 (de)
EP (1) EP0922358B1 (de)
JP (1) JP4008042B2 (de)
KR (1) KR100467257B1 (de)
CN (1) CN1120615C (de)
BR (1) BR9804772B1 (de)
CZ (1) CZ294363B6 (de)
DE (1) DE69807034T2 (de)
MY (1) MY118340A (de)
WO (1) WO1998039912A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2150146C1 (ru) * 1998-09-03 2000-05-27 Семенченко Михаил Григорьевич Способ обработки изображения
US7010163B1 (en) * 2001-04-20 2006-03-07 Shell & Slate Software Method and apparatus for processing image data
US8218868B2 (en) * 2007-06-13 2012-07-10 Sensors Unlimited, Inc. Method and apparatus for enhancing images
US8392406B1 (en) 2008-05-30 2013-03-05 Oracle International Corporation Determining a height-balanced histogram incrementally
GB0917617D0 (en) * 2009-10-08 2009-11-25 Barco Nv Video amplitude modulation
KR200496041Y1 (ko) 2019-07-05 2022-10-18 김창규 기포제거 기능을 보유한 포터블 화장품용 가열로 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088216A (en) 1976-09-02 1978-05-09 Data Card Corporation Automatic embossing system
JPS628193A (ja) * 1985-07-04 1987-01-16 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション カラー画像表示装置
JPH0687263B2 (ja) 1986-06-18 1994-11-02 富士電機株式会社 画像の２値化方式
JPS6481077A (en) 1987-09-22 1989-03-27 Brother Ind Ltd Threshold level determining device
JPS6482288A (en) 1987-09-25 1989-03-28 Canon Kk Image processing device
JPS6482276A (en) 1987-09-25 1989-03-28 Canon Kk Image processor
JPH04183177A (ja) 1990-11-19 1992-06-30 Matsushita Electric Ind Co Ltd 累積ヒストグラム回路および補間回路および画質補正回路
JPH0799862B2 (ja) * 1991-03-22 1995-10-25 松下電器産業株式会社 階調補正装置
US5289282A (en) 1991-05-28 1994-02-22 Matsushita Electric Industrial Co., Ltd. Video signal gradation corrector
JPH05176263A (ja) 1991-12-20 1993-07-13 Matsushita Electric Ind Co Ltd 階調補正装置
BE1007777A3 (nl) 1993-11-23 1995-10-17 Philips Electronics Nv Niet-lineaire signaalverwerking.
US5594807A (en) * 1994-12-22 1997-01-14 Siemens Medical Systems, Inc. System and method for adaptive filtering of images based on similarity between histograms
JP3501252B2 (ja) * 1995-06-16 2004-03-02 三菱電機株式会社 階調補正装置

Also Published As

Publication number Publication date
CZ353998A3 (cs) 1999-04-14
JP4008042B2 (ja) 2007-11-14
US6252983B1 (en) 2001-06-26
KR20000065209A (ko) 2000-11-06
JP2000513904A (ja) 2000-10-17
CN1120615C (zh) 2003-09-03
BR9804772A (pt) 1999-08-17
DE69807034T2 (de) 2002-12-05
WO1998039912A1 (en) 1998-09-11
MY118340A (en) 2004-10-30
CZ294363B6 (cs) 2004-12-15
CN1216193A (zh) 1999-05-05
EP0922358A1 (de) 1999-06-16
EP0922358B1 (de) 2002-08-07
KR100467257B1 (ko) 2005-06-16
BR9804772B1 (pt) 2010-12-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee