TW403852B - Method and apparatus for reducing flicker effects from discharge lamps during pipelined digital video capture - Google Patents
Method and apparatus for reducing flicker effects from discharge lamps during pipelined digital video capture Download PDFInfo
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- TW403852B TW403852B TW088110873A TW88110873A TW403852B TW 403852 B TW403852 B TW 403852B TW 088110873 A TW088110873 A TW 088110873A TW 88110873 A TW88110873 A TW 88110873A TW 403852 B TW403852 B TW 403852B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000000694 effects Effects 0.000 title claims description 19
- 238000005286 illumination Methods 0.000 claims abstract description 27
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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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW403852B true TW403852B (en) | 2000-09-01 |
Family
ID=22409005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW088110873A TW403852B (en) | 1998-07-28 | 1999-06-28 | Method and apparatus for reducing flicker effects from discharge lamps during pipelined digital video capture |
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)
| 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 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827119A (en) * | 1988-01-28 | 1989-05-02 | Eastman Kodak Company | Illuminant discriminator |
| 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 |
| JP2995887B2 (ja) | 1991-03-27 | 1999-12-27 | 松下電器産業株式会社 | フリッカー補正回路 |
| JP3188978B2 (ja) | 1991-09-04 | 2001-07-16 | 株式会社ニコン | カメラの測光装置 |
| 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 |
| US5548398A (en) * | 1994-11-22 | 1996-08-20 | Eastman Kodak Company | Illuminant discriminator providing detection of high efficiency illumination |
| 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 |
-
1998
- 1998-07-28 US US09/123,496 patent/US6501518B2/en not_active Expired - Fee Related
-
1999
- 1999-06-24 AU AU48325/99A patent/AU4832599A/en not_active Abandoned
- 1999-06-24 DE DE19983408T patent/DE19983408B4/de not_active Expired - Fee Related
- 1999-06-24 JP JP2000563062A patent/JP4195197B2/ja not_active Expired - Fee Related
- 1999-06-24 WO PCT/US1999/014423 patent/WO2000007363A1/en not_active Ceased
- 1999-06-24 GB GB0101335A patent/GB2354663B/en not_active Expired - Fee Related
- 1999-06-24 CN CNB998089257A patent/CN1146225C/zh not_active Expired - Fee Related
- 1999-06-24 KR KR10-2001-7001151A patent/KR100381532B1/ko not_active Expired - Fee Related
- 1999-06-28 TW TW088110873A patent/TW403852B/zh not_active IP Right Cessation
- 1999-06-29 MY MYPI99002718A patent/MY124395A/en unknown
-
2002
- 2002-12-20 US US10/324,891 patent/US6771305B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2354663B (en) | 2002-10-23 |
| 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 |
| DE19983408B4 (de) | 2007-01-18 |
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| Date | Code | Title | Description |
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| GD4A | Issue of patent certificate for granted invention patent | ||
| MM4A | Annulment or lapse of patent due to non-payment of fees |