JP2011205552A5 - - Google Patents

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JP2011205552A5
JP2011205552A5 JP2010072850A JP2010072850A JP2011205552A5 JP 2011205552 A5 JP2011205552 A5 JP 2011205552A5 JP 2010072850 A JP2010072850 A JP 2010072850A JP 2010072850 A JP2010072850 A JP 2010072850A JP 2011205552 A5 JP2011205552 A5 JP 2011205552A5
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illuminance
imaging range
monitoring camera
information
unit
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JP2010072850A
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JP2011205552A (en
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監視カメラで撮像した撮像映像に基づいて撮像範囲の監視を行う監視カメラシステムであって、前記監視カメラの向きを示す方向情報および前記撮像範囲における照度を判定するための照度判定用情報に基づいて、前記撮像範囲を照明する1ないし複数の照明装置の配光特性および光量を制御する照明制御部を備えていることを特徴とする監視カメラシステム。   A monitoring camera system that monitors an imaging range based on a captured image captured by a monitoring camera, based on direction information indicating a direction of the monitoring camera and illuminance determination information for determining illuminance in the imaging range A surveillance camera system comprising an illumination control unit for controlling light distribution characteristics and light amount of one or more illumination devices that illuminate the imaging range. 前記監視カメラが、被写体からの反射光を集光するためのレンズと、該レンズにて集光した反射光を適切なレベルの電気信号に変換して撮像映像として生成し、前記方向情報および前記照度判定用情報を前記撮像映像とともに出力する撮像部と、を少なくとも備えている請求項1に記載の監視カメラシステム。   The monitoring camera generates a captured image by converting the reflected light collected by the lens into an appropriate level of an electrical signal, and collecting the reflected light from the subject. The surveillance camera system according to claim 1, further comprising: an imaging unit that outputs illuminance determination information together with the captured video. 前記撮像部が出力する前記照度判定用情報は、前記レンズの開放F値およびフォーカス位置、光信号を電気信号に変換するCCD(Charge Coupled Device)の特性、変換した電気信号の利得を制御するAGC(Automated Gain Controller)の利得レベル、電子的高感度設定機能として作動する電子感度アップ部における電子感度アップ倍率に関する情報、のいずれか1ないし複数を少なくとも含んでいる請求項2に記載の監視カメラシステム。   The illuminance determination information output from the imaging unit includes an open F value and a focus position of the lens, a characteristic of a CCD (Charge Coupled Device) that converts an optical signal into an electric signal, and an AGC that controls the gain of the converted electric signal. The surveillance camera system according to claim 2, comprising at least one of a gain level of (Automated Gain Controller) and information on an electronic sensitivity increase magnification in an electronic sensitivity increase unit that operates as an electronic high sensitivity setting function. . 前記撮像部が出力する前記方向情報に基づいて、前記監視カメラの撮像範囲の位置を計算する撮像範囲計算部と、前記撮像部が出力する前記照度判定用情報に基づいて、前記監視カメラの撮像範囲の照度を計算する照度計算部と、を備え、前記照明制御部は、前記撮像範囲計算部が計算した前記撮像範囲の位置および前記照度計算部が計算した前記撮像範囲の照度に基づいて、当該撮像範囲を照明する照明装置の配光特性および光量を制御するための制御情報を生成し、生成した該制御情報を前記照明装置に対して出力する請求項2または請求項3に記載の監視カメラシステム。   Based on the direction information output by the imaging unit, an imaging range calculation unit that calculates the position of the imaging range of the monitoring camera, and imaging of the monitoring camera based on the illuminance determination information output by the imaging unit Illuminance calculation unit for calculating the illuminance of the range, the illumination control unit, based on the position of the imaging range calculated by the imaging range calculation unit and the illuminance of the imaging range calculated by the illuminance calculation unit, The monitoring according to claim 2 or 3, wherein control information for controlling a light distribution characteristic and a light amount of a lighting device that illuminates the imaging range is generated, and the generated control information is output to the lighting device. Camera system. 前記照明制御部は、前記照度計算部が計算した前記撮像範囲の照度と、当該撮像範囲における必要な照度としてあらかじめ定めた閾値とを比較し、前記撮像範囲の照度が前記閾値よりも低下していた場合、前記監視カメラのレンズの絞りおよび電子的な感度制御機能を制御するための制御情報を生成して、前記監視カメラの感度制御を行い、前記監視カメラの感度制御結果として、前記監視カメラを最大の感度が得られる状態に設定しても、前記撮像範囲の照度が前記閾値よりも低下していた場合には、当該撮像範囲を照明する照明装置の配光特性および光量として前記閾値の照度が得られる配光特性および光量に調整する制御情報を生成し、生成した該制御情報を前記照明装置に対して出力する請求項4に記載の監視カメラシステム。   The illumination control unit compares the illuminance of the imaging range calculated by the illuminance calculation unit with a predetermined threshold value as necessary illuminance in the imaging range, and the illuminance of the imaging range is lower than the threshold value. Control information for controlling the lens aperture and electronic sensitivity control function of the monitoring camera is generated, sensitivity control of the monitoring camera is performed, and the monitoring camera is used as the sensitivity control result of the monitoring camera. If the illuminance of the imaging range is lower than the threshold value even when the maximum sensitivity is obtained, the threshold value is set as the light distribution characteristic and light quantity of the illumination device that illuminates the imaging range. The monitoring camera system according to claim 4, wherein control information that adjusts light distribution characteristics and light quantity for obtaining illuminance is generated, and the generated control information is output to the illumination device. 前記照明制御部は、前記照度計算部が計算した前記撮像範囲の照度と、当該撮像範囲における必要な照度としてあらかじめ定めた閾値とを比較し、前記撮像範囲の照度が前記閾値を超えていた場合、前記監視カメラのレンズの絞りおよび電子的な感度制御機能を標準的な設定値としてあらかじめ定めた既定値に設定するための制御情報を生成して、前記監視カメラの感度制御を行い、前記監視カメラの感度制御結果として、前記監視カメラを前記既定値に設定しても、前記撮像範囲の照度が前記閾値を超えていた場合には、当該撮像範囲を照明する照明装置の配光特性および光量として前記閾値の照度に低減させる配光特性および光量に調整する制御情報を生成し、生成した該制御情報を前記照明装置に対して出力する請求項4に記載の監視カメラシステム。   The illumination control unit compares the illuminance of the imaging range calculated by the illuminance calculation unit with a threshold value set in advance as necessary illuminance in the imaging range, and the illuminance of the imaging range exceeds the threshold value Generating control information for setting the lens aperture and electronic sensitivity control function of the monitoring camera to predetermined default values as standard setting values, performing sensitivity control of the monitoring camera, and performing the monitoring As a result of camera sensitivity control, if the illuminance of the imaging range exceeds the threshold even if the monitoring camera is set to the default value, the light distribution characteristics and the light amount of the illumination device that illuminates the imaging range 5. The monitoring according to claim 4, further comprising: generating light distribution characteristics to be reduced to the threshold illuminance and control information to adjust the light amount, and outputting the generated control information to the lighting device. Camera system. 前記照度計算部は、前記監視カメラから出力される可能性がある前記照度判定用情報に関する全ての組合せと、それぞれにおける前記撮像範囲の照度との対応関係を照度判定テーブルとしてあらかじめ記憶しておき、前記監視カメラから前記照度判定用情報が出力されてきた際に、前記監視カメラからの前記照度判定用情報に基づいて、前記照度判定テーブルを索引することにより、前記撮像範囲の照度を抽出する請求項4乃至請求項6に記載の監視カメラシステム。   The illuminance calculation unit stores in advance, as an illuminance determination table, a correspondence relationship between all combinations related to the illuminance determination information that may be output from the monitoring camera and the illuminance of the imaging range in each, The illuminance in the imaging range is extracted by indexing the illuminance determination table based on the illuminance determination information from the monitoring camera when the illuminance determination information is output from the monitoring camera. The surveillance camera system according to any one of claims 4 to 6. 前記監視カメラからの前記撮像映像を画面表示用の表示映像に変換する画像処理部と、該画像処理部が変換した前記表示映像に任意の文字情報を重畳させて文字情報重畳映像として生成する文字重畳部とをさらに備え、前記撮像部が出力した前記方向情報、前記照度判定用情報、前記撮像範囲計算部、前記照度計算部によりそれぞれ計算された前記撮像範囲の位置、前記撮像範囲の照度、あるいは、前記照明制御部が生成した前記制御情報、の各種情報のうち、いずれか1ないし複数を、前記文字重畳部により、前記表示映像に重畳して、前記文字情報重畳映像として出力する請求項4乃至請求項7に記載の監視カメラシステム。   An image processing unit that converts the captured video from the monitoring camera into a display video for screen display, and a character that is generated as a character information superimposed video by superimposing arbitrary character information on the display video converted by the image processing unit A superimposition unit, the direction information output by the imaging unit, the illuminance determination information, the imaging range calculation unit, the position of the imaging range calculated by the illuminance calculation unit, the illuminance of the imaging range, Alternatively, any one or more of the various types of information of the control information generated by the illumination control unit is superimposed on the display image by the character superimposing unit and output as the character information superimposed image. The surveillance camera system according to any one of claims 4 to 7. 前記監視カメラからの前記撮像映像に基づいて前記撮像範囲を監視する監視装置として、前記撮像範囲計算部、前記照度計算部、前記照明制御部を少なくとも備え、当該監視装置と、1ないし複数の前記監視カメラと、1ないし複数の前記照明装置との間を、ネットワークを介して、または、専用のケーブルによって、または、近距離無線通信によって、相互に接続してなる請求項4乃至請求項8に記載の監視カメラシステム。   As a monitoring device that monitors the imaging range based on the captured image from the monitoring camera, the monitoring device includes at least the imaging range calculation unit, the illuminance calculation unit, and the illumination control unit. The surveillance camera and the one or more lighting devices are connected to each other via a network, a dedicated cable, or short-range wireless communication. The surveillance camera system described.
JP2010072850A 2010-03-26 2010-03-26 Monitoring camera system Pending JP2011205552A (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102984510B (en) * 2012-12-25 2015-10-14 浙江宇视科技有限公司 A kind of light supplement control method and device
JP6311327B2 (en) * 2014-01-27 2018-04-18 サクサ株式会社 Imaging system and imaging control method
JP6354567B2 (en) * 2014-12-19 2018-07-11 ブラザー工業株式会社 Control device, program, and projection system
WO2018218437A1 (en) * 2017-05-27 2018-12-06 深圳配天智能技术研究院有限公司 Method and system for illuminating target to be detected, and storage device
KR20230027225A (en) * 2020-09-24 2023-02-27 씨비씨 가부시끼가이샤 Lens device, lens device assembled system, lens device assembled inspection device, and operation program

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03276379A (en) * 1990-03-26 1991-12-06 Sumitomo Electric Ind Ltd Automatic reading device for license plate number of automobile
JP3385475B2 (en) * 1992-12-29 2003-03-10 綜合警備保障株式会社 Image monitoring device
JP3357718B2 (en) * 1993-08-31 2002-12-16 三菱電機株式会社 TV camera device
JP2000277268A (en) * 1999-03-24 2000-10-06 Matsushita Electric Works Ltd Network dimming system
JP2002300467A (en) * 2001-03-30 2002-10-11 Fujitsu General Ltd Monitor camera system
JP2002333656A (en) * 2001-05-10 2002-11-22 Canon Inc Illuminator and photographing device
JP4219201B2 (en) * 2003-03-28 2009-02-04 三洋電機株式会社 Imaging system
JP2005094080A (en) * 2003-09-12 2005-04-07 Hitachi Kokusai Electric Inc Illumination device for surveillance camera, surveillance camera, and surveillance camera system
JP2008103925A (en) * 2006-10-18 2008-05-01 Matsushita Electric Ind Co Ltd Camera device with illumination control function

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