CN108989773B - 用于改善图像质量的方法以及近红外敏感摄像机 - Google Patents

用于改善图像质量的方法以及近红外敏感摄像机 Download PDF

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CN108989773B
CN108989773B CN201810516043.3A CN201810516043A CN108989773B CN 108989773 B CN108989773 B CN 108989773B CN 201810516043 A CN201810516043 A CN 201810516043A CN 108989773 B CN108989773 B CN 108989773B
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camera
illuminator
gain setting
settings
dynamically
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CN108989773A (zh
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吉米·琼森
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Axis AB
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Axis AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • 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
    • H04N23/21—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only from near infrared [NIR] 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
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • 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
    • 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
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • 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
    • H04N23/71—Circuitry for evaluating the brightness variation
    • 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
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • 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
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Studio Devices (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
CN201810516043.3A 2017-06-01 2018-05-25 用于改善图像质量的方法以及近红外敏感摄像机 Active CN108989773B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17173977.4 2017-06-01
EP17173977.4A EP3410688B1 (en) 2017-06-01 2017-06-01 Method for improving image quality in images acquired by a near-infrared sensitive video camera and such a camera

Publications (2)

Publication Number Publication Date
CN108989773A CN108989773A (zh) 2018-12-11
CN108989773B true CN108989773B (zh) 2021-04-09

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Country Link
US (1) US10484622B2 (https=)
EP (1) EP3410688B1 (https=)
JP (1) JP6853216B2 (https=)
CN (1) CN108989773B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020060531A (ja) * 2018-10-12 2020-04-16 株式会社デンソーテン 異常検出装置、異常検出システム、および、異常検出方法
EP3886539B1 (en) * 2020-03-26 2022-01-19 Axis AB A method for assessing ambient light during night mode image acquisition
CN114040156B (zh) * 2021-11-03 2022-08-16 西安交通大学 一种视频格式与画质处理的fpga系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1515545A1 (en) * 2003-09-05 2005-03-16 Sony Corporation Image processing apparatus and method, recording medium, and program for correcting shading of a captured image
WO2011024193A2 (en) * 2009-08-20 2011-03-03 Natarajan Kannan Electronically variable field of view (fov) infrared illuminator
CN102800059A (zh) * 2012-07-05 2012-11-28 清华大学 一种基于近红外图像辅助的图像可见性增强方法
WO2016035829A1 (ja) * 2014-09-05 2016-03-10 オリンパス株式会社 撮像装置および処理装置

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US7653215B2 (en) * 1997-04-02 2010-01-26 Gentex Corporation System for controlling exterior vehicle lights
JP3473552B2 (ja) * 2000-06-15 2003-12-08 ミノルタ株式会社 デジタルスチルカメラ
WO2013052383A1 (en) 2011-10-07 2013-04-11 Flir Systems, Inc. Smart surveillance camera systems and methods
KR101533905B1 (ko) 2011-02-21 2015-07-03 스트라테크 시스템즈 리미티드 비행장 내의 이물질, 파편 또는 손상 검출 감시 시스템 및 방법
JP6242570B2 (ja) 2012-09-06 2017-12-06 株式会社東芝 画像読取装置、及び紙葉類処理装置
JP5420050B2 (ja) * 2012-10-31 2014-02-19 キヤノン株式会社 撮像装置及びその制御方法
US9681066B2 (en) * 2013-07-08 2017-06-13 Flir Systems Ab Facilitating improved calibration of captured infrared data values by an IR imaging system in a thermography arrangement
US9996913B2 (en) * 2014-04-07 2018-06-12 Bae Systems Information And Electronic Systems Integration Inc. Contrast based image fusion
EP2942941B1 (en) * 2014-05-08 2016-04-27 Axis AB Method and apparatus for determining a need for a change in a pixel density requirement due to changing light conditions
US9929808B2 (en) * 2014-06-19 2018-03-27 Philips Lighting Holding B.V. High-dynamic-range coded light detection
US9235899B1 (en) 2015-06-12 2016-01-12 Google Inc. Simulating an infrared emitter array in a video monitoring camera to construct a lookup table for depth determination
JP6537385B2 (ja) * 2015-07-17 2019-07-03 日立オートモティブシステムズ株式会社 車載環境認識装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1515545A1 (en) * 2003-09-05 2005-03-16 Sony Corporation Image processing apparatus and method, recording medium, and program for correcting shading of a captured image
WO2011024193A2 (en) * 2009-08-20 2011-03-03 Natarajan Kannan Electronically variable field of view (fov) infrared illuminator
CN102800059A (zh) * 2012-07-05 2012-11-28 清华大学 一种基于近红外图像辅助的图像可见性增强方法
WO2016035829A1 (ja) * 2014-09-05 2016-03-10 オリンパス株式会社 撮像装置および処理装置

Also Published As

Publication number Publication date
JP2019017061A (ja) 2019-01-31
JP6853216B2 (ja) 2021-03-31
EP3410688B1 (en) 2019-03-06
CN108989773A (zh) 2018-12-11
US10484622B2 (en) 2019-11-19
EP3410688A1 (en) 2018-12-05
US20180352175A1 (en) 2018-12-06

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