DE69804619T2 - Verfahren zur Regelung der Belichtungszeit eines Lichtsensors - Google Patents

Verfahren zur Regelung der Belichtungszeit eines Lichtsensors

Info

Publication number
DE69804619T2
DE69804619T2 DE69804619T DE69804619T DE69804619T2 DE 69804619 T2 DE69804619 T2 DE 69804619T2 DE 69804619 T DE69804619 T DE 69804619T DE 69804619 T DE69804619 T DE 69804619T DE 69804619 T2 DE69804619 T2 DE 69804619T2
Authority
DE
Germany
Prior art keywords
exposure time
image
sensor
level
luminosity
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 - Lifetime
Application number
DE69804619T
Other languages
English (en)
Other versions
DE69804619D1 (de
Inventor
Federico Canini
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.)
Datalogic SpA
Original Assignee
Datalogic SpA
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 Datalogic SpA filed Critical Datalogic SpA
Application granted granted Critical
Publication of DE69804619D1 publication Critical patent/DE69804619D1/de
Publication of DE69804619T2 publication Critical patent/DE69804619T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
DE69804619T 1998-10-23 1998-10-23 Verfahren zur Regelung der Belichtungszeit eines Lichtsensors Expired - Lifetime DE69804619T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98830636A EP0996284B1 (de) 1998-10-23 1998-10-23 Verfahren zur Regelung der Belichtungszeit eines Lichtsensors

Publications (2)

Publication Number Publication Date
DE69804619D1 DE69804619D1 (de) 2002-05-08
DE69804619T2 true DE69804619T2 (de) 2003-02-27

Family

ID=8236848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804619T Expired - Lifetime DE69804619T2 (de) 1998-10-23 1998-10-23 Verfahren zur Regelung der Belichtungszeit eines Lichtsensors

Country Status (4)

Country Link
US (1) US7053954B1 (de)
EP (1) EP0996284B1 (de)
AT (1) ATE215764T1 (de)
DE (1) DE69804619T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015116026A1 (de) * 2015-09-22 2017-03-23 JENETRIC GmbH Vorrichtung und Verfahren zur direkten optischen Bildaufnahme von Dokumenten und / oder lebenden Hautbereichen ohne abbildende optische Elemente

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6486915B2 (en) * 1999-04-20 2002-11-26 Intel Corporation Determining a final exposure setting automatically for a solid state camera without a separate light metering circuit
US20060184039A1 (en) * 2001-07-26 2006-08-17 Dov Avni Apparatus and method for light control in an in-vivo imaging device
US9149175B2 (en) * 2001-07-26 2015-10-06 Given Imaging Ltd. Apparatus and method for light control in an in-vivo imaging device
US20030098922A1 (en) * 2001-11-27 2003-05-29 Creo Il. Ltd. Precision exposure setting in a digital imaging device
DE10213917A1 (de) * 2002-03-28 2003-10-23 Bosch Gmbh Robert Verfahren und Vorrichtung zur Regelung eines Bildsensors
US7245320B2 (en) * 2002-06-04 2007-07-17 Micron Technology, Inc. Method and apparatus for automatic gain and exposure control for maintaining target image brightness in video imager systems
JP4243462B2 (ja) * 2002-08-19 2009-03-25 富士フイルム株式会社 固体撮像装置および受光素子の感度対応出力調整方法
US7173663B2 (en) * 2002-10-31 2007-02-06 Freescale Semiconductor, Inc. Automatic exposure control system for a digital camera
DE10309040A1 (de) * 2003-03-01 2004-09-09 Volkswagen Ag Verfahren und Vorrichtung zur Belichtungszeitoptimierung
DE10318499B4 (de) * 2003-04-24 2007-12-20 Robert Bosch Gmbh Verfahren und Vorrichtung zur Einstellung eines Bildsensors
JP4388318B2 (ja) * 2003-06-27 2009-12-24 オリンパス株式会社 画像処理装置
JP2005109993A (ja) * 2003-09-30 2005-04-21 Matsushita Electric Ind Co Ltd 撮影装置
US7605852B2 (en) 2004-05-17 2009-10-20 Micron Technology, Inc. Real-time exposure control for automatic light control
US7580076B2 (en) * 2005-10-31 2009-08-25 Hewlett-Packard Development Company, L.P. Devices and methods for calculating pixel values representative of a scene
US20070139543A1 (en) * 2005-12-16 2007-06-21 General Instrument Corporation Auto-adaptive frame rate for improved light sensitivity in a video system
JP5352960B2 (ja) * 2006-04-27 2013-11-27 セイコーエプソン株式会社 生体情報取得装置、生体情報取得方法及び生体認証装置
US20080050110A1 (en) * 2006-08-24 2008-02-28 Tai-Hsin Liu Method for adjusting a mechanical shutter
US8387881B2 (en) 2010-12-01 2013-03-05 Hand Held Products, Inc. Terminal with screen reading mode
US10311424B2 (en) 2010-12-09 2019-06-04 Hand Held Products, Inc. Indicia encoding system with integrated purchase and payment information
US8408464B2 (en) 2011-02-03 2013-04-02 Metrologic Instruments, Inc. Auto-exposure method using continuous video frames under controlled illumination
EP2742485A1 (de) * 2011-08-12 2014-06-18 Edh Holdings (South Africa) (Pty) Ltd. Balllaufbahn- und aufschlagspositionserkennung
CN102377947B (zh) * 2011-09-02 2013-11-20 深圳市先河系统技术有限公司 曝光控制装置及方法
TWI478027B (zh) * 2012-12-28 2015-03-21 Egalax Empia Technology Inc 光學觸控系統的處理裝置及其操作方法
CN106713779A (zh) * 2016-12-30 2017-05-24 深圳天珑无线科技有限公司 拍照控制方法及装置
CN115516397A (zh) * 2021-04-20 2022-12-23 百度时代网络技术（北京）有限公司 用于自动驾驶车辆的交通灯光检测和分类
CN113538262B (zh) * 2021-06-21 2023-04-11 天津大学 应用于多比特量子图像传感器的高动态范围图像还原方法
CN115134492B (zh) * 2022-05-31 2024-03-19 北京极光智芯科技有限公司 图像采集方法、电子设备和计算机可读介质

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5264940A (en) * 1990-10-08 1993-11-23 Olympus Optical Co., Ltd. Image sensing apparatus having exposure level and dynamic range control circuit
JP3226559B2 (ja) * 1991-04-12 2001-11-05 キヤノン株式会社 撮像装置
JP3004382B2 (ja) * 1991-04-24 2000-01-31 松下電器産業株式会社 可変シャッタ付テレビカメラ装置
US5585942A (en) * 1991-06-20 1996-12-17 Canon Kabushiki Kaisha Image pickup apparatus
US5751844A (en) * 1992-04-20 1998-05-12 International Business Machines Corporation Method and apparatus for image acquisition with adaptive compensation for image exposure variation
US5751354A (en) * 1994-04-28 1998-05-12 Canon Kabushiki Kaisha Image sensing apparatus and method with exposure performed based on focus evaluation values
JP3370438B2 (ja) * 1994-06-20 2003-01-27 ペンタックス株式会社 スチルビデオカメラの露出制御装置
US5745808A (en) * 1995-08-21 1998-04-28 Eastman Kodak Company Camera exposure control system using variable-length exposure tables
KR0183788B1 (ko) * 1995-12-27 1999-05-01 김광호 영상 촬영 기록 장치의 광량 부족 검출 및 표시방법
JP4032262B2 (ja) * 1996-05-13 2008-01-16 株式会社ニコン 電子カメラ
US5734426A (en) * 1996-11-15 1998-03-31 Omnivision Technologies, Inc. Method of automatic exposure control in a MOS imaging array
DE19701484A1 (de) * 1997-01-17 1998-07-23 Bosch Gmbh Robert Verfahren zur Regelung der Belichtung von Videokameras
JP3432705B2 (ja) * 1997-06-23 2003-08-04 三菱電機株式会社 撮像装置
US6486915B2 (en) * 1999-04-20 2002-11-26 Intel Corporation Determining a final exposure setting automatically for a solid state camera without a separate light metering circuit
KR100495415B1 (ko) * 1999-12-30 2005-06-14 매그나칩 반도체 유한회사 이미지 센서에서의 자동 노출 장치
US7176976B2 (en) * 2001-08-30 2007-02-13 Lightsurf Technologies, Inc. Autoexposure methodology in a digital camera
US6859230B2 (en) * 2001-11-07 2005-02-22 Omnivision Technologies, Inc. Method of fast automatic exposure or gain control in a MOS image sensor
US6621987B1 (en) * 2003-01-29 2003-09-16 Novatek Microelectronics Corp. Method of fast converging appropriate exposure value

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015116026A1 (de) * 2015-09-22 2017-03-23 JENETRIC GmbH Vorrichtung und Verfahren zur direkten optischen Bildaufnahme von Dokumenten und / oder lebenden Hautbereichen ohne abbildende optische Elemente
US10116886B2 (en) 2015-09-22 2018-10-30 JENETRIC GmbH Device and method for direct optical image capture of documents and/or live skin areas without optical imaging elements

Also Published As

Publication number Publication date
EP0996284B1 (de) 2002-04-03
EP0996284A1 (de) 2000-04-26
ATE215764T1 (de) 2002-04-15
DE69804619D1 (de) 2002-05-08
US7053954B1 (en) 2006-05-30

Similar Documents

Publication Publication Date Title
DE69804619D1 (de) Verfahren zur Regelung der Belichtungszeit eines Lichtsensors
US7697062B2 (en) Camera and method in a camera
JP5981053B2 (ja) シーン適応型自動露出補正を伴う撮像装置
US8190016B2 (en) Control of artificial lighting of a scene to reduce effects of motion in the scene on an image being acquired
JP4676834B2 (ja) ワーク画像取得方法、ワーク画像取得装置
DE60311423D1 (de) Kopfpositionssensor
JP4228520B2 (ja) アイリス撮影装置
DE69731629D1 (de) Verfahren und Gerät zur Bildanalyse
US20030043290A1 (en) AF control apparatus and AF control method
DE60203869D1 (de) Verfahren zur schnellen automatischen Belichtungs- oder Verstärkungsregelung in einem MOS Bildsensor
CN111601047B (zh) 一种油液泄漏图像采集方法
US20080002907A1 (en) Auto-exposure using image characterstics
KR20060112598A (ko) 화상의 밝기 조정방법 및 장치
ATE257303T1 (de) Verfahren und vorrichtung zur defekterkennung und/oder -korrektur bei der digitalen bildverarbeitung
ATE420530T1 (de) Verfahren und vorrichtung zur eliminierung von farbenmoire
US7911654B2 (en) Estimating light output of a lamp in a scanner
JP2001197276A (ja) 画信号処理装置
DE69901565T2 (de) Automatische maskierung von objekten in bildern
JP2005276445A (ja) 照明制御装置および照明システム
KR101009344B1 (ko) 이미지 센서의 이물 검출방법 및 장치
KR20200110158A (ko) 조명기의 제어
JP3931152B2 (ja) 撮像装置の評価方法、画像補正方法、および撮像装置
JPH07129761A (ja) 画像エッジ検出による２値化方法及び判別装置
JP2013138336A (ja) 撮像装置及びその制御方法、並びにプログラム

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted