DE60004227D1 - Vorrichtung und verfahren für infrarot-autofokus mit bildauswertung - Google Patents

Vorrichtung und verfahren für infrarot-autofokus mit bildauswertung

Info

Publication number
DE60004227D1
DE60004227D1 DE60004227T DE60004227T DE60004227D1 DE 60004227 D1 DE60004227 D1 DE 60004227D1 DE 60004227 T DE60004227 T DE 60004227T DE 60004227 T DE60004227 T DE 60004227T DE 60004227 D1 DE60004227 D1 DE 60004227D1
Authority
DE
Germany
Prior art keywords
infrared
image evaluation
infrared autofocus
autofocus
focusing
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
DE60004227T
Other languages
English (en)
Other versions
DE60004227T2 (de
Inventor
Magnus Hellstrand
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.)
Flir Systems AB
Original Assignee
Flir Systems AB
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 Flir Systems AB filed Critical Flir Systems AB
Application granted granted Critical
Publication of DE60004227D1 publication Critical patent/DE60004227D1/de
Publication of DE60004227T2 publication Critical patent/DE60004227T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
    • H04N23/23—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only from thermal infrared radiation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Automatic Focus Adjustment (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Eye Examination Apparatus (AREA)
  • Microscoopes, Condenser (AREA)
  • Studio Devices (AREA)
  • Radiation Pyrometers (AREA)
  • Focusing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Telescopes (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
DE60004227T 1999-05-25 2000-04-18 Vorrichtung und verfahren für infrarot-autofokus mit bildauswertung Expired - Lifetime DE60004227T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9901881 1999-05-25
SE9901881A SE518836C2 (sv) 1999-05-25 1999-05-25 Anordning och förfarande för ett infrarött bildanalyserande autofokus
PCT/SE2000/000739 WO2000072075A1 (en) 1999-05-25 2000-04-18 A device and a method for an infrared image analysing autofocus

Publications (2)

Publication Number Publication Date
DE60004227D1 true DE60004227D1 (de) 2003-09-04
DE60004227T2 DE60004227T2 (de) 2004-04-22

Family

ID=20415713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60004227T Expired - Lifetime DE60004227T2 (de) 1999-05-25 2000-04-18 Vorrichtung und verfahren für infrarot-autofokus mit bildauswertung

Country Status (9)

Country Link
US (1) US7110035B1 (de)
EP (1) EP1188086B1 (de)
JP (1) JP2003500691A (de)
CN (1) CN100410712C (de)
AT (1) ATE246366T1 (de)
AU (1) AU4445500A (de)
DE (1) DE60004227T2 (de)
SE (1) SE518836C2 (de)
WO (1) WO2000072075A1 (de)

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US7538815B1 (en) * 2002-01-23 2009-05-26 Marena Systems Corporation Autofocus system and method using focus measure gradient
SE526939C2 (sv) * 2003-10-28 2005-11-22 Flir Systems Ab Förfarande, anordning och användning av en IR-kamera för att bestämma risk för kondens genom att registrera IR-bild, relativ fuktighet och lufttemperatur
JP4641494B2 (ja) 2005-11-28 2011-03-02 キヤノン株式会社 光学機器
TWI320130B (en) * 2007-01-26 2010-02-01 A method of auto focus
KR101415872B1 (ko) * 2007-09-14 2014-07-11 삼성전기주식회사 영상 획득 장치의 자동초점조절 방법 및 장치
US8279072B2 (en) * 2008-03-17 2012-10-02 Mrl Industries Inc. System to monitor a consumable part and method to monitor performance life and predict maintenance thereof
US8049811B2 (en) * 2009-01-28 2011-11-01 Board Of Regents, The University Of Texas System Automatic focusing apparatus and method for digital images using automatic filter switching
US8497914B2 (en) 2009-08-10 2013-07-30 Wisconsin Alumni Research Foundation Vision system and method for motion adaptive integration of image frames
GB0920036D0 (en) * 2009-11-16 2009-12-30 Vector Developments Ltd An imaging device, a related system and method of fabrication
IN2012DN06329A (de) 2010-01-26 2015-10-02 Saab Ab
JP2010250345A (ja) * 2010-06-21 2010-11-04 Canon Inc 光学機器
JP2011043841A (ja) * 2010-10-04 2011-03-03 Canon Inc 光学機器
US10965889B2 (en) 2011-06-20 2021-03-30 Fluke Corporation Thermal imager that analyzes temperature measurement calculation accuracy
US9204062B2 (en) 2011-08-24 2015-12-01 Fluke Corporation Thermal imaging camera with range detection
CN104065947B (zh) * 2014-06-18 2016-06-01 长春理工大学 一种集成成像系统的深度图获取方法
US9667857B2 (en) * 2014-10-09 2017-05-30 Panasonic Intellectual Property Management Co., Ltd. Imaging apparatus with adjustable noise level reduction
JP6482247B2 (ja) * 2014-11-14 2019-03-13 キヤノン株式会社 焦点調節装置、撮像装置、焦点調節装置の制御方法、及びプログラム
US11195289B2 (en) 2016-01-20 2021-12-07 Carrier Corporation Building management system using object detection and tracking in a large space with a low resolution sensor
CN110719449B (zh) * 2019-09-29 2021-12-21 深圳市火乐科技发展有限公司 智能投影仪的对焦方法及相关产品
DE102020133691A1 (de) 2020-12-16 2022-06-23 Valeo Schalter Und Sensoren Gmbh Infrarot-Wärmebildkamera und bordeigenes System zur Unterstützung des Führens eines eine solche Kamera aufweisenden Kraftfahrzeugs
CN112817118B (zh) * 2021-01-18 2021-12-31 中国科学院上海技术物理研究所 一种红外自动对焦快速搜索方法
CN113099135B (zh) * 2021-02-24 2023-04-07 浙江大华技术股份有限公司 一种红外图像聚焦、终端设备以及计算机可读存储介质
CN116046169B (zh) * 2023-03-31 2023-07-21 中国科学院光电技术研究所 点目标多通道红外光谱辐射自动定标方法

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DE69221929T2 (de) * 1991-05-02 1998-02-19 Canon Kk Automatische Fokussierungsvorrichtung
US5790710A (en) * 1991-07-12 1998-08-04 Jeffrey H. Price Autofocus system for scanning microscopy
US5541655A (en) * 1991-11-05 1996-07-30 Canon Kabushiki Kaisha Image pickup device
JP2550882B2 (ja) * 1993-09-28 1996-11-06 日本電気株式会社 赤外線撮像装置
JPH07115579A (ja) * 1993-10-15 1995-05-02 Canon Inc 自動焦点調節装置
JP3450449B2 (ja) * 1994-07-18 2003-09-22 キヤノン株式会社 撮像装置およびその撮像方法
JP3324295B2 (ja) * 1994-09-26 2002-09-17 日産自動車株式会社 車両用視線方向計測装置
US5861915A (en) * 1995-05-31 1999-01-19 Sony Corporation Temperature-dependant, frequency-compensated hand deviation correction device for video camera
JP3697745B2 (ja) * 1995-06-30 2005-09-21 ソニー株式会社 オートフォーカス制御装置及び方法
US5874994A (en) * 1995-06-30 1999-02-23 Eastman Kodak Company Filter employing arithmetic operations for an electronic sychronized digital camera
US5752115A (en) * 1996-11-26 1998-05-12 Eastman Kodak Company Autofocus camera with power control for emitted beam
DE69702331T2 (de) * 1997-01-14 2000-12-14 Infrared Integrated Systems Ltd., Towcester Sensor mit einem Detektorfeld
SE508228C2 (sv) * 1997-05-07 1998-09-14 Inst Verkstadstek Forsk Ivf Anordning för detektering och beräkning av en laserstråles fokusläge, form och effektfördelning
US6268883B1 (en) * 1997-05-30 2001-07-31 California Institute Of Technology High speed infrared imaging system and method
US6341180B1 (en) * 1997-12-18 2002-01-22 Cellavision Ab Image content autofocus for microscopy using a noise-insensitive focus filter
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CN1178467C (zh) * 1998-04-16 2004-12-01 三星电子株式会社 自动跟踪运动目标的方法和装置

Also Published As

Publication number Publication date
DE60004227T2 (de) 2004-04-22
ATE246366T1 (de) 2003-08-15
JP2003500691A (ja) 2003-01-07
CN100410712C (zh) 2008-08-13
SE9901881D0 (sv) 1999-05-25
SE518836C2 (sv) 2002-11-26
CN1357113A (zh) 2002-07-03
US7110035B1 (en) 2006-09-19
AU4445500A (en) 2000-12-12
WO2000072075A1 (en) 2000-11-30
EP1188086A1 (de) 2002-03-20
SE9901881L (sv) 2000-11-26
EP1188086B1 (de) 2003-07-30

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