DE19983408B4 - Verfahren und Einrichtung zum Reduzieren von Flackereinflüssen von Entladungslampen während einer pipeline-artigen digitalen Videoaufnahme - Google Patents

Verfahren und Einrichtung zum Reduzieren von Flackereinflüssen von Entladungslampen während einer pipeline-artigen digitalen Videoaufnahme Download PDF

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Publication number
DE19983408B4
DE19983408B4 DE19983408T DE19983408T DE19983408B4 DE 19983408 B4 DE19983408 B4 DE 19983408B4 DE 19983408 T DE19983408 T DE 19983408T DE 19983408 T DE19983408 T DE 19983408T DE 19983408 B4 DE19983408 B4 DE 19983408B4
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Germany
Prior art keywords
illumination
line
frequency
integration period
image sensor
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
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DE19983408T
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German (de)
English (en)
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DE19983408T1 (de
Inventor
Ronald D. Phoenix Smith
Gregory W. Tempe Starr
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Intel Corp
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Intel Corp
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Publication date
Application filed by Intel Corp filed Critical Intel Corp
Publication of DE19983408T1 publication Critical patent/DE19983408T1/de
Application granted granted Critical
Publication of DE19983408B4 publication Critical patent/DE19983408B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/745—Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE19983408T 1998-07-28 1999-06-24 Verfahren und Einrichtung zum Reduzieren von Flackereinflüssen von Entladungslampen während einer pipeline-artigen digitalen Videoaufnahme Expired - Fee Related DE19983408B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/123,496 1998-07-28
US09/123,496 US6501518B2 (en) 1998-07-28 1998-07-28 Method and apparatus for reducing flicker effects from discharge lamps during pipelined digital video capture
PCT/US1999/014423 WO2000007363A1 (en) 1998-07-28 1999-06-24 Method and apparatus for reducing flicker effects from discharge lamps during pipelined digital video capture

Publications (2)

Publication Number Publication Date
DE19983408T1 DE19983408T1 (de) 2001-06-28
DE19983408B4 true DE19983408B4 (de) 2007-01-18

Family

ID=22409005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19983408T Expired - Fee Related DE19983408B4 (de) 1998-07-28 1999-06-24 Verfahren und Einrichtung zum Reduzieren von Flackereinflüssen von Entladungslampen während einer pipeline-artigen digitalen Videoaufnahme

Country Status (10)

Country Link
US (2) US6501518B2 (https=)
JP (1) JP4195197B2 (https=)
KR (1) KR100381532B1 (https=)
CN (1) CN1146225C (https=)
AU (1) AU4832599A (https=)
DE (1) DE19983408B4 (https=)
GB (1) GB2354663B (https=)
MY (1) MY124395A (https=)
TW (1) TW403852B (https=)
WO (1) WO2000007363A1 (https=)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6421097B1 (en) * 1998-07-31 2002-07-16 Intel Corporation Method and apparatus for reducing flicker in a video image sequence
JP3370979B2 (ja) * 2000-09-08 2003-01-27 三菱電機株式会社 撮像装置および自動レベル調整方法
JP4608766B2 (ja) * 2000-11-27 2011-01-12 ソニー株式会社 固体撮像素子の駆動方法、及びカメラ
JP4416959B2 (ja) 2001-04-26 2010-02-17 富士通マイクロエレクトロニクス株式会社 Ｘｙアドレス型固体撮像装置のフリッカノイズ低減方法
US7187405B2 (en) * 2001-10-02 2007-03-06 Avago Technologies General Ip (Singapore) Pte. Ltd. Automatic flicker frequency detection device and method
US7239345B1 (en) * 2001-10-12 2007-07-03 Worldscape, Inc. Camera arrangements with backlighting detection and methods of using same
US20030090587A1 (en) * 2001-10-30 2003-05-15 Hofer Gregory V. Method and apparatus for auto-focus control in the presence of artificial illumination
US6989860B2 (en) * 2001-10-30 2006-01-24 Hewlett-Packard Development Company, L.P. Method and apparatus for auto-exposure control in the presence of artificial illumination
US7009642B2 (en) * 2001-10-30 2006-03-07 Hewlett-Packard Development Company, L.P. Method and apparatus for detecting the presence of artificial illumination in a scene
JP3823314B2 (ja) * 2001-12-18 2006-09-20 ソニー株式会社 撮像信号処理装置及びフリッカ検出方法
JP2003198932A (ja) * 2001-12-27 2003-07-11 Sharp Corp フリッカ補正装置およびフリッカ補正方法、並びにフリッカ補正プログラムを記録した記録媒体
JP4337353B2 (ja) * 2002-03-25 2009-09-30 セイコーエプソン株式会社 フリッカ検出装置、フリッカ補正装置、撮像装置、フリッカ検出プログラムおよびフリッカ補正プログラム
JP2004112742A (ja) * 2002-07-25 2004-04-08 Fujitsu Ltd 画像歪みを抑制したイメージセンサ
KR100460755B1 (ko) * 2002-10-10 2004-12-14 매그나칩 반도체 유한회사 이미지센서의 화소배열부 및 그를 포함하는 이미지센서 및이미지센서의 플리커 잡음 제거방법
US7126639B2 (en) * 2002-10-29 2006-10-24 Hewlett-Packard Development Company, L.P. Digital camera printing user interface responsive to location
SE525331C2 (sv) * 2002-12-23 2005-02-01 Unipower Ab Mätmetod för bestämning av riktning till flimmerstörkälla
JP3826904B2 (ja) * 2003-07-08 2006-09-27 ソニー株式会社 撮像装置およびフリッカ低減方法
JP4106554B2 (ja) * 2003-09-08 2008-06-25 ソニー株式会社 撮影環境判定方法および撮像装置
US20050237394A1 (en) * 2004-04-21 2005-10-27 Behnam Katiblan Flicker detection for image sensing devices
US7538799B2 (en) * 2005-01-14 2009-05-26 Freescale Semiconductor, Inc. System and method for flicker detection in digital imaging
US7683948B2 (en) * 2005-03-31 2010-03-23 Freescale Semiconductor, Inc. System and method for bad pixel replacement in image processing
JP4377840B2 (ja) * 2005-03-31 2009-12-02 イーストマン コダック カンパニー デジタルカメラ
JP4756960B2 (ja) * 2005-09-02 2011-08-24 キヤノン株式会社 撮像装置及びその制御方法、コンピュータプログラム及び記憶媒体
US7777787B2 (en) 2005-10-17 2010-08-17 Nokia Corporation Preventing flicker effects in video electronic devices
US8068148B2 (en) * 2006-01-05 2011-11-29 Qualcomm Incorporated Automatic flicker correction in an image capture device
TWI306572B (en) * 2006-02-15 2009-02-21 Pixart Imaging Inc Light pointing device and light tracking receiver having function selection key and system using the same
TWI311883B (en) * 2006-05-10 2009-07-01 Novatek Microelectronics Corp Flicker frequency detection method and device
US7667740B2 (en) * 2006-07-28 2010-02-23 Hewlett-Packard Development Company, L.P. Elimination of modulated light effects in rolling shutter CMOS sensor images
US7847834B2 (en) * 2007-11-19 2010-12-07 Omnivision Technologies, Inc. Light source frequency detection circuit using bipolar transistor
KR101164193B1 (ko) * 2008-12-22 2012-07-11 한국전자통신연구원 복수 개의 적외선 신호 좌표를 구별하여 추적하는 방법 및 시스템
DE112010004379T5 (de) * 2009-11-13 2012-11-29 Steven Donald Edelson Überwachungs- und Kamerasystem und Verfahren
US9088727B2 (en) * 2011-04-06 2015-07-21 Pelco, Inc. Spatially-varying flicker detection
CN103108132B (zh) * 2011-11-15 2016-06-15 慧荣科技股份有限公司 抗闪烁摄录装置与摄录方法
JP5814865B2 (ja) * 2012-06-20 2015-11-17 株式会社 日立産業制御ソリューションズ 撮像装置
US9106839B2 (en) * 2013-04-05 2015-08-11 Google Inc. Automatic location-based camera frame rate settings
FR3009469B1 (fr) * 2013-07-31 2016-11-25 Morpho Procede de synchronisation de plusieurs cameras d'un systeme de prise de vues, notamment un systeme de prise de vues stereoscopique et systeme de prise de vues pour la mise en œuvre dudit procede.
EP2950523A1 (en) * 2014-05-28 2015-12-02 Thomson Licensing Method of estimating flicker on recorded video by camcorder
CN104378628B (zh) * 2014-11-28 2018-04-24 广东中星电子有限公司 一种检测图像闪烁条纹的方法
DE102020202400A1 (de) * 2020-02-25 2021-08-26 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Optoelektronische sensorvorrichtung, detektor und elektronisches gerät sowie verfahren zum betreiben einer derartigen sensorvorrichtung bzw. eines derartigen detektors
KR102790004B1 (ko) * 2020-10-12 2025-04-03 삼성전자주식회사 주파수 도메인을 이용한 이미지 센서의 검사 방법 및 이를 수행하는 검사 시스템
CN112887629B (zh) * 2021-01-27 2022-08-23 维沃移动通信有限公司 频率检测方法、装置、电子设备及存储介质
US12581202B2 (en) * 2024-06-21 2026-03-17 Unify Medical, Inc. Methods and apparatuses for imaging under pulse-width modulated illumination

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827119A (en) * 1988-01-28 1989-05-02 Eastman Kodak Company Illuminant discriminator
EP0506031A1 (en) * 1991-03-27 1992-09-30 Matsushita Electric Industrial Co., Ltd. Illumination flicker correction for video cameras
US5495313A (en) * 1991-09-04 1996-02-27 Nikon Corporation Light metering device for camera
US5548398A (en) * 1994-11-22 1996-08-20 Eastman Kodak Company Illuminant discriminator providing detection of high efficiency illumination

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930005751B1 (ko) * 1990-07-04 1993-06-24 삼성전자 주식회사 Ccd 칼라 카메라용 플리커 방지회로
JPH04237271A (ja) * 1991-01-21 1992-08-25 Fuji Photo Film Co Ltd 撮像装置
JP3170588B2 (ja) * 1992-10-08 2001-05-28 日本オプネクスト株式会社 光受信器の試験方法
JPH06209427A (ja) 1993-01-11 1994-07-26 Matsushita Electric Ind Co Ltd 固体撮像装置
KR0148450B1 (ko) * 1994-04-08 1998-11-16 가나이 쯔또무 촬상장치 및 그 제어방법
ATE172832T1 (de) * 1995-06-26 1998-11-15 Phase One Denmark A S Verfahren und system zur aufnahme digitaler kamerabilder
JPH0965198A (ja) 1995-08-29 1997-03-07 Rhythm Watch Co Ltd 撮像装置
US5925875A (en) * 1996-04-26 1999-07-20 Lockheed Martin Ir Imaging Systems Apparatus and method for compensating for fixed pattern noise in planar arrays
KR970072970A (ko) * 1996-04-30 1997-11-07 이대원 프레임 메모리를 이용한 고감도 카메라
JPH10136267A (ja) 1996-09-05 1998-05-22 Seiko Epson Corp 画像入力方法および画像入力装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827119A (en) * 1988-01-28 1989-05-02 Eastman Kodak Company Illuminant discriminator
EP0506031A1 (en) * 1991-03-27 1992-09-30 Matsushita Electric Industrial Co., Ltd. Illumination flicker correction for video cameras
US5495313A (en) * 1991-09-04 1996-02-27 Nikon Corporation Light metering device for camera
US5548398A (en) * 1994-11-22 1996-08-20 Eastman Kodak Company Illuminant discriminator providing detection of high efficiency illumination

Also Published As

Publication number Publication date
GB2354663B (en) 2002-10-23
TW403852B (en) 2000-09-01
CN1315110A (zh) 2001-09-26
CN1146225C (zh) 2004-04-14
GB2354663A (en) 2001-03-28
AU4832599A (en) 2000-02-21
JP4195197B2 (ja) 2008-12-10
GB0101335D0 (en) 2001-03-07
US20030090566A1 (en) 2003-05-15
US6501518B2 (en) 2002-12-31
DE19983408T1 (de) 2001-06-28
WO2000007363A1 (en) 2000-02-10
US20020131491A1 (en) 2002-09-19
KR100381532B1 (ko) 2003-04-26
US6771305B2 (en) 2004-08-03
MY124395A (en) 2006-06-30
KR20010072073A (ko) 2001-07-31
JP2002521974A (ja) 2002-07-16

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee