DE69227492D1 - Bildverarbeitungsgerät - Google Patents

Bildverarbeitungsgerät

Info

Publication number
DE69227492D1
DE69227492D1 DE69227492T DE69227492T DE69227492D1 DE 69227492 D1 DE69227492 D1 DE 69227492D1 DE 69227492 T DE69227492 T DE 69227492T DE 69227492 T DE69227492 T DE 69227492T DE 69227492 D1 DE69227492 D1 DE 69227492D1
Authority
DE
Germany
Prior art keywords
image processing
processing device
image
processing
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
DE69227492T
Other languages
English (en)
Other versions
DE69227492T2 (de
Inventor
Susumu - - - Maruno
Shigeo Sakaue
Haruo - - - Yamashita
Hiroshi Yamamoto
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 Holdings 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
Publication of DE69227492D1 publication Critical patent/DE69227492D1/de
Application granted granted Critical
Publication of DE69227492T2 publication Critical patent/DE69227492T2/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
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Image Analysis (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69227492T 1991-08-30 1992-08-27 Bildverarbeitungsgerät Expired - Fee Related DE69227492T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21953891 1991-08-30

Publications (2)

Publication Number Publication Date
DE69227492D1 true DE69227492D1 (de) 1998-12-10
DE69227492T2 DE69227492T2 (de) 1999-04-08

Family

ID=16737062

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227492T Expired - Fee Related DE69227492T2 (de) 1991-08-30 1992-08-27 Bildverarbeitungsgerät

Country Status (4)

Country Link
US (1) US5296919A (de)
EP (1) EP0529635B1 (de)
JP (1) JP3076679B2 (de)
DE (1) DE69227492T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5589954A (en) * 1993-05-28 1996-12-31 Ricoh Company, Ltd. γ-correction curve selecting apparatus and a γ-correction curve creating apparatus
BE1007608A3 (nl) * 1993-10-08 1995-08-22 Philips Electronics Nv Beeldsignaalverbeteringsschakeling.
BE1007777A3 (nl) * 1993-11-23 1995-10-17 Philips Electronics Nv Niet-lineaire signaalverwerking.
JPH08138043A (ja) * 1994-11-10 1996-05-31 Matsushita Electric Ind Co Ltd 画像処理装置
JP3444449B2 (ja) * 1994-12-26 2003-09-08 ソニー株式会社 映像信号処理装置
US5539459A (en) * 1995-05-18 1996-07-23 Polaroid Corporation Optimal tone scale mapping in electronic cameras
US6950094B2 (en) * 1998-03-30 2005-09-27 Agilent Technologies, Inc Seeing eye mouse for a computer system
JP3791029B2 (ja) * 1995-11-22 2006-06-28 ソニー株式会社 画像信号処理装置および方法
JP3758228B2 (ja) * 1996-02-29 2006-03-22 ソニー株式会社 クラス分類適応処理における学習方法および学習装置
JP3105168B2 (ja) * 1996-06-19 2000-10-30 株式会社東芝 画像形成装置および画像処理方法
KR20040051325A (ko) * 2002-12-12 2004-06-18 엘지전자 주식회사 프로젝션 티브이의 감마 보정 장치 및 방법
JP4484722B2 (ja) * 2004-02-27 2010-06-16 キヤノン株式会社 画像信号処理方法及び画像信号処理回路
JP3949684B2 (ja) * 2004-04-30 2007-07-25 三菱電機株式会社 階調補正装置、階調補正用プログラム、携帯端末機器及びパーソナルコンピュータ
KR100843817B1 (ko) 2004-04-30 2008-07-03 미쓰비시덴키 가부시키가이샤 계조 보정 장치, 휴대 단말 기기, 촬상 장치, 휴대 전화 및 계조 보정 방법
JP4062329B2 (ja) * 2005-11-01 2008-03-19 ソニー株式会社 信号処理装置および方法
JP4665802B2 (ja) * 2006-03-13 2011-04-06 セイコーエプソン株式会社 明度補正処理装置および明度補正判別方法
TWI348135B (en) 2006-06-05 2011-09-01 Chunghwa Picture Tubes Ltd Image contrast correct system and method thereof
KR20090052655A (ko) * 2007-11-21 2009-05-26 삼성전자주식회사 영상처리장치 및 감마 보정방법
JP5343785B2 (ja) * 2009-09-17 2013-11-13 ソニー株式会社 画像信号処理装置、送信装置、画像信号処理方法、プログラム、および画像信号処理システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667228A (en) * 1983-10-14 1987-05-19 Canon Kabushiki Kaisha Image signal processing apparatus
JPS60139080A (ja) * 1983-12-27 1985-07-23 Canon Inc 画像処理装置
JP2645859B2 (ja) * 1988-05-20 1997-08-25 三洋電機株式会社 撮像装置
JPH0272491A (ja) * 1988-09-08 1990-03-12 Sony Corp 画像変換処理装置
US5305204A (en) * 1989-07-19 1994-04-19 Kabushiki Kaisha Toshiba Digital image display apparatus with automatic window level and window width adjustment
JPH04200081A (ja) * 1990-11-29 1992-07-21 Olympus Optical Co Ltd 撮像装置

Also Published As

Publication number Publication date
JP3076679B2 (ja) 2000-08-14
US5296919A (en) 1994-03-22
DE69227492T2 (de) 1999-04-08
JPH05328211A (ja) 1993-12-10
EP0529635A2 (de) 1993-03-03
EP0529635B1 (de) 1998-11-04
EP0529635A3 (en) 1993-09-08

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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