JP6853216B2 - 近赤外感受性ビデオカメラによって取得された画像における画像品質を改善する方法およびそのようなカメラ - Google Patents

近赤外感受性ビデオカメラによって取得された画像における画像品質を改善する方法およびそのようなカメラ Download PDF

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Publication number
JP6853216B2
JP6853216B2 JP2018089180A JP2018089180A JP6853216B2 JP 6853216 B2 JP6853216 B2 JP 6853216B2 JP 2018089180 A JP2018089180 A JP 2018089180A JP 2018089180 A JP2018089180 A JP 2018089180A JP 6853216 B2 JP6853216 B2 JP 6853216B2
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Prior art keywords
illuminator
gain setting
camera
dynamically
infrared sensitive
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Japanese (ja)
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JP2019017061A5 (enExample
JP2019017061A (ja
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ジミー イェンソン，
ジミー イェンソン，
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アクシス アーベー
アクシス アーベー
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    • 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
    • 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

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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)
JP2018089180A 2017-06-01 2018-05-07 近赤外感受性ビデオカメラによって取得された画像における画像品質を改善する方法およびそのようなカメラ Active JP6853216B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
EP17173977.4 2017-06-01

Publications (3)

Publication Number Publication Date
JP2019017061A JP2019017061A (ja) 2019-01-31
JP2019017061A5 JP2019017061A5 (enExample) 2021-02-25
JP6853216B2 true JP6853216B2 (ja) 2021-03-31

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JP2018089180A Active JP6853216B2 (ja) 2017-06-01 2018-05-07 近赤外感受性ビデオカメラによって取得された画像における画像品質を改善する方法およびそのようなカメラ

Country Status (4)

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

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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3824237B2 (ja) * 2003-09-05 2006-09-20 ソニー株式会社 画像処理装置および方法、記録媒体、並びにプログラム
WO2013052383A1 (en) 2011-10-07 2013-04-11 Flir Systems, Inc. Smart surveillance camera systems and methods
WO2011024193A2 (en) * 2009-08-20 2011-03-03 Natarajan Kannan Electronically variable field of view (fov) infrared illuminator
EP2678835B1 (en) 2011-02-21 2017-08-09 Stratech Systems Limited A surveillance system and a method for detecting a foreign object, debris, or damage in an airfield
CN102800059B (zh) * 2012-07-05 2015-01-14 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
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
EP3158833B1 (en) * 2014-06-19 2018-10-10 Philips Lighting Holding B.V. High-dynamic-range coded light detection
JP5927370B1 (ja) * 2014-09-05 2016-06-01 オリンパス株式会社 撮像装置および処理装置
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

Also Published As

Publication number Publication date
US20180352175A1 (en) 2018-12-06
CN108989773A (zh) 2018-12-11
JP2019017061A (ja) 2019-01-31
US10484622B2 (en) 2019-11-19
EP3410688A1 (en) 2018-12-05
EP3410688B1 (en) 2019-03-06
CN108989773B (zh) 2021-04-09

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