JP2002152560A - Image pickup device - Google Patents
Image pickup deviceInfo
- Publication number
- JP2002152560A JP2002152560A JP2000346772A JP2000346772A JP2002152560A JP 2002152560 A JP2002152560 A JP 2002152560A JP 2000346772 A JP2000346772 A JP 2000346772A JP 2000346772 A JP2000346772 A JP 2000346772A JP 2002152560 A JP2002152560 A JP 2002152560A
- Authority
- JP
- Japan
- Prior art keywords
- windshield
- camera
- vehicle
- entire vehicle
- photographing
- 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.)
- Granted
Links
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- Studio Devices (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、車両を撮像する
撮像装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an imaging device for imaging a vehicle.
【０００２】[0002]
【従来の技術】従来の撮像装置では、車両全体を撮影す
るとき、車両によっては、スモークがかった、フロント
ガラスの車両があり、ナンバープレートの明るさと車内
の明るさが異なっており、カメラの絞り制御をするとき
に、ナンバープレートの明るさに絞りを合わせると車内
が暗くなり、車内の明るさに絞りを合わせるとナンバー
プレートが暗くなっていた。2. Description of the Related Art In a conventional image pickup apparatus, when photographing an entire vehicle, some vehicles have a windshield that is smoked, the brightness of a license plate is different from the brightness of the interior of the vehicle, and the aperture of the camera is different. When controlling, setting the aperture to the brightness of the license plate darkens the interior of the vehicle, and adjusting the aperture to the brightness of the vehicle darkens the license plate.
【０００３】図９は、従来の撮像装置の設置状況と中央
装置までの構成を示した全体図である。図に於いて、１
は車両が走行する道路、２は別に設置されるカメラ、照
明装置、及び制御機を搭載する支柱、３は赤外カメラ、
４は照明装置、５は制御ケーブル、６は制御機、７は前
記道路１上を走る走行車両、８は回線、９は制御機６か
ら送られる撮影画像を受信する中央装置である。FIG. 9 is an overall view showing the installation state of a conventional imaging apparatus and the configuration up to a central unit. In the figure, 1
Is a road on which the vehicle runs, 2 is a column on which a camera, a lighting device, and a control device are separately installed, 3 is an infrared camera,
4 is a lighting device, 5 is a control cable, 6 is a controller, 7 is a traveling vehicle running on the road 1, 8 is a line, and 9 is a central device that receives a photographed image sent from the controller 6.
【０００４】次に、従来の撮像装置の動作について説明
する。図６において、道路を走行する走行車両を、赤外
カメラ３と照明装置４との同期をとり、赤外光を用い画
像を撮影する。撮影後、制御ケーブル５を介し画像デー
タを制御機６に伝送する。制御機６は取り込まれた画像
データを自動的に中央装置９に対し回線８を経由して送
る。Next, the operation of the conventional imaging device will be described. In FIG. 6, a running vehicle running on a road is synchronized with the infrared camera 3 and the illumination device 4, and an image is captured using infrared light. After photographing, the image data is transmitted to the controller 6 via the control cable 5. The controller 6 automatically sends the captured image data to the central device 9 via the line 8.
【０００５】[0005]
【発明が解決しようとする課題】従来の撮像装置では、
車両７を撮影するカメラ３と照明装置４が車両全体を撮
影するとき、車両７によっては、スモークがかった、フ
ロントガラスの車両があり、ナンバープレートの明るさ
と車内の明るさが異なっていた。これは、カメラ３の絞
り制御をするときに、ナンバープレートの明るさに絞り
を合わせると車内が暗くなり車内の明るさに絞りを合わ
せると、ナンバープレートが暗くなるという課題があっ
た。SUMMARY OF THE INVENTION In a conventional imaging device,
When the camera 3 and the illuminating device 4 for photographing the vehicle 7 photograph the entire vehicle, some vehicles 7 have smoked windshields, and the brightness of the license plate and the brightness inside the vehicle are different. This has a problem that, when controlling the aperture of the camera 3, when the aperture is adjusted to the brightness of the license plate, the inside of the vehicle becomes dark, and when the aperture is adjusted to the brightness inside the vehicle, the license plate becomes dark.
【０００６】また、昼間の撮影画像の中にはフロントガ
ラスの部分的なハレーションが発生する場合もあり、車
内が見えにくいという課題があった。[0006] In addition, there is a case where a partial halation of the windshield occurs in the photographed image in the daytime, and there is a problem that the inside of the vehicle is difficult to see.
【０００７】この発明は上記のような問題点を解決する
ためになされたもので、車内およびナンバープレートの
明るさ調整ができ、昼間の撮影画像でのフロントガラス
の部分的なハレーションが発生する場合も車内を見えや
すくすることができる撮像装置を提供するものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is possible to adjust the brightness of a vehicle interior and a license plate, and to cause partial halation of a windshield in a photographed image during daytime. The present invention also provides an imaging device that can make the inside of a vehicle easily visible.
【０００８】[0008]
【課題を解決するための手段】第１の発明による撮像装
置は、フロントガラスを含む車両全体を撮影するカメラ
を備えた撮像装置において、車両全体と車両フロントガ
ラスとの光量差を持たせるように上記車両全体と車両フ
ロントガラスを照射する照明装置を設けたものである。According to a first aspect of the present invention, there is provided an image pickup apparatus including a camera for photographing an entire vehicle including a windshield, wherein the light intensity difference between the entire vehicle and the vehicle windshield is provided. An illumination device for irradiating the entire vehicle and a vehicle windshield is provided.
【０００９】また、第２の発明による撮像装置は、フロ
ントガラスを含む車両全体を照射する配光特性を有する
第１の照明装置と、車両のフロントガラス周辺を照射す
る第２の照明装置と、フロントガラスを含む車両全体を
撮影するカメラと、上記第１、第２の照明装置と上記カ
メラを同期させるための手段とを備え、車両全体と車両
フロントガラスとの光量差を設けるようにしたものであ
る。An image pickup apparatus according to a second aspect of the present invention includes a first illumination device having a light distribution characteristic for illuminating the entire vehicle including a windshield, a second illumination device for illuminating the periphery of the windshield of the vehicle, A camera for photographing the entire vehicle including a windshield, and means for synchronizing the first and second lighting devices with the camera, wherein a light amount difference between the entire vehicle and the vehicle windshield is provided. It is.
【００１０】第３の発明による撮像装置は、フロントガ
ラスを含む車両全体を撮影するカメラと、フロントガラ
スを含む車両全体を照射する配光特性を有する第１の照
明装置と、上記カメラと第１の照明装置をを同期させて
周期的に撮影するための手段と、任意に発光できる、車
両のフロントガラス周辺を照射する第２の照明装置とを
具備したものである。According to a third aspect of the present invention, there is provided an imaging apparatus for photographing an entire vehicle including a windshield, a first illuminating device having a light distribution characteristic for irradiating the entire vehicle including a windshield, the camera and the first camera. And a second lighting device that irradiates the periphery of the windshield of the vehicle and emits light arbitrarily.
【００１１】また、第４の発明による撮像装置は、フロ
ントガラスを含む車両全体を照射する配光特性を有する
照明装置と、フロントガラスを含む車両全体を撮影する
第１および第２のカメラと、上記照明装置と上記第１、
第２のカメラとを同期させるための手段を設け、さらに
上記第１のカメラはナンバープレートが識別できる絞り
値に合せ、第２のカメラはフロントガラスから車内が識
別できる絞り値に合せるようにしたものである。An image pickup apparatus according to a fourth aspect of the present invention includes an illuminating device having a light distribution characteristic for illuminating the entire vehicle including the windshield, first and second cameras for photographing the entire vehicle including the windshield, The lighting device and the first,
Means for synchronizing with the second camera are provided, and the first camera is adjusted to an aperture value that can identify the license plate, and the second camera is adjusted to an aperture value that allows the interior of the vehicle to be identified from the windshield. Things.
【００１２】第５の発明による撮像装置は、フロントガ
ラスを含む車両全体を照射する配光特性を有する照明装
置と、フロントガラスを含む車両全体を撮影するカメラ
と、上記照明装置とカメラを同期させ連続的に撮影する
ための手段とを備え、上記カメラは、1回目の撮影時は
ナンバープレートが識別できるように絞りを合せ、2回
目の撮影時は、フロントガラスから車内が識別できる絞
り値に合せるようにしたものである。According to a fifth aspect of the present invention, there is provided an imaging device having a light distribution characteristic for irradiating the entire vehicle including a windshield, a camera for photographing the entire vehicle including the windshield, and synchronizing the illumination device with the camera. Means for continuous shooting, the camera adjusts the aperture so that the license plate can be identified at the time of the first shooting, and at the second shooting, the aperture value from the windshield can identify the inside of the car It is intended to match.
【００１３】また、第６の発明による撮像装置は、フロ
ントガラスを含む車両全体を撮影するカメラを備えた撮
像装置において、フロントガラスを含む車両全体を照射
する配光特性を有する照明装置と、車両のナンバープレ
ートと車内との光量差を持たせるための手段とを具備し
たものである。According to a sixth aspect of the present invention, there is provided an image pickup apparatus provided with a camera for photographing the entire vehicle including the windshield, wherein the illumination device has a light distribution characteristic for irradiating the entire vehicle including the windshield, and the vehicle. Means for providing a light amount difference between the license plate and the inside of the vehicle.
【００１４】第７の発明による撮像装置は、フロントガ
ラスを含む車両全体を照射する配光特性を有する照明装
置と、フロントガラスを含む車両全体を撮影するカメラ
と、上記照明装置とカメラを同期させ撮影するための手
段と、上記カメラの前面に設けられ、ナンバープレート
と車内との光量差を持たせるための偏光フィルタとを具
備したものである。According to a seventh aspect of the present invention, there is provided an imaging device having a light distribution characteristic for irradiating the entire vehicle including a windshield, a camera for photographing the entire vehicle including the windshield, and synchronizing the illumination device with the camera. It is provided with a means for taking an image and a polarizing filter provided on the front of the camera and having a light amount difference between the license plate and the inside of the vehicle.
【００１５】[0015]
【発明の実施の形態】実施の形態１．図１は、この発明
の実施の形態を示す構成図であり、撮像装置と車線に設
置された状況を示した全体図である。この発明による実
施の形態１の撮像装置は、道路１を走行する車両７を撮
影する赤外カメラ３と、撮影時にフロントガラスを含む
車両全体を照射する配光特性を有する第１の照明装置４
と、車両のフロントガラス周辺を照射する第２の照明装
置１１と、前記カメラ３及び第１の照明装置４と第２の
照明装置１１を道路上に設置するための支柱２と、前記
カメラ３及び前記第１の照明装置４と第２の照明装置１
１を制御し、走行車両撮影画像を自動的に中央装置９に
送信する制御機６と、回線８に接続し、前記制御機６か
ら撮影画像を受信する中央装置９とを具備している。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a configuration diagram showing an embodiment of the present invention, and is an overall view showing an image pickup apparatus and a situation where the apparatus is installed in a lane. The imaging apparatus according to the first embodiment of the present invention includes an infrared camera 3 for photographing a vehicle 7 traveling on a road 1, and a first lighting device 4 having a light distribution characteristic for illuminating the entire vehicle including a windshield at the time of photographing.
A second lighting device 11 for illuminating the periphery of the windshield of the vehicle, a column 2 for installing the camera 3, the first lighting device 4 and the second lighting device 11 on a road, and the camera 3 And the first lighting device 4 and the second lighting device 1
1 and a central unit 9 connected to the line 8 for automatically transmitting the photographed image of the traveling vehicle to the central unit 9 and receiving the photographed image from the controller 6.
【００１６】図２（ａ）は、撮影画像全体を照射する配
光特性を持つ第１の照明装置４と、撮影画面の上半分を
照射する配光特性を持つ第２の照明装置１１の配光特性
例を示した図である。図において第１の照明装置４の配
光を１２に、第２の照明装置１１の配光を１３に示す。FIG. 2A shows a first illumination device 4 having a light distribution characteristic for irradiating the entire photographed image and a second illumination device 11 having a light distribution characteristic for irradiating the upper half of the photographed image. FIG. 4 is a diagram illustrating an example of optical characteristics. In the figure, the light distribution of the first lighting device 4 is shown at 12, and the light distribution of the second lighting device 11 is shown at 13.
【００１７】たとえば、図２（ｂ）に示すように、第１
の照明装置４は、発光ＬＥＤ基板１００とＬＥＤを駆動
させるＬＥＤ駆動基板１０１と駆動基板の電源を供給す
る電源１０２から構成される。For example, as shown in FIG.
The illumination device 4 includes a light emitting LED substrate 100, an LED driving substrate 101 for driving the LEDs, and a power supply 102 for supplying power to the driving substrate.
【００１８】また、図２（ｃ）に示すように、第２の照
明装置１１は、ストロボランプ２００とストロボを発光
させるストロボ電源２０１とストロボ光を撮影画面の上
半分に照射する配光をもたせるフレネルレンズ２０２か
ら構成される。As shown in FIG. 2C, the second lighting device 11 has a strobe lamp 200, a strobe power supply 201 for emitting strobe light, and a light distribution for irradiating the strobe light to the upper half of the photographing screen. It comprises a Fresnel lens 202.
【００１９】ここで、ストロボランプの光量は、ＬＥＤ
光の４倍の光量を持たせておく。前記照明装置４、１１
の光量差を持たせることにより、カメラ1台で良好に撮
影でき、ナンバープレートと車内が認識可能である。Here, the light amount of the strobe lamp is represented by an LED.
A light amount four times that of the light is provided. The lighting devices 4 and 11
By having a light amount difference of, one camera can take a good image, and the license plate and the inside of the vehicle can be recognized.
【００２０】以上のようにこの発明による撮像装置は、
フロントガラスを含む車両全体を照射する配光特性を有
する第１の照明装置４と車両のフロントガラス周辺を照
射する第２の照明装置１１を有し、各々の照明装置４、
１１を同時発光させ、車両全体を撮影するカメラ３と同
期させて撮影し、車両全体とフロントガラスとの光量差
を設けることにより、カメラ1台でナンバープレートと
車内が認識できる。As described above, the imaging apparatus according to the present invention
It has a first lighting device 4 having a light distribution characteristic for irradiating the entire vehicle including the windshield and a second lighting device 11 for irradiating the periphery of the windshield of the vehicle.
Simultaneously with the camera 3, which shoots the entire vehicle, and shoots the images 11 in synchronization with each other, and by providing a light amount difference between the entire vehicle and the windshield, one camera can recognize the license plate and the inside of the vehicle.
【００２１】実施の形態２．図３はこの発明の実施の形
態２を示す構成図であり、この実施の形態２ではフロン
トガラスを含む車両全体を撮影するカメラ３とフロント
ガラスを含む車両全体を照射する配光特性を有する照明
装置４とを同期させて撮影し、外部トリガ装置１４によ
り任意に撮影できるようにしたものである。Embodiment 2 FIG. FIG. 3 is a block diagram showing a second embodiment of the present invention. In the second embodiment, a camera 3 for photographing the entire vehicle including a windshield and an illumination having a light distribution characteristic for irradiating the entire vehicle including the windshield. The external trigger device 14 can arbitrarily shoot an image in synchronization with the device 4.
【００２２】例えば、外部トリガ装置１４は、道路上の
車両通過レーン路側に設置されており、外部トリガ装置
１４から道路と垂直に腕木を張り出し、１ｍ程度の高さ
で車両進行を阻止する状態に設置された遮断棒５００が
ある。For example, the external trigger device 14 is installed on the road side of the vehicle passing lane on the road, and extends from the external trigger device 14 perpendicularly to the road to prevent the vehicle from traveling at a height of about 1 m. There is a blocking bar 500 installed.
【００２３】図４は、実施の形態２の外部トリガ装置１
４を示す構成図である。遮断棒５００は、通常車両に取
り付けられた車載器５０１と、別に設置される車載器通
信アンテナ５０２とで通信し、識別信号が合致した場
合、90度上方に遮断棒５００があがり、車両を通過させ
るゲートとなる。FIG. 4 shows an external trigger device 1 according to the second embodiment.
FIG. The blocking bar 500 communicates with the vehicle-mounted device 501 normally mounted on the vehicle and the vehicle-mounted device communication antenna 502 installed separately, and when the identification signal matches, the blocking bar 500 rises 90 degrees upward and passes through the vehicle. Gate.
【００２４】識別信号が不一致の場合、阻止棒５００は
動作せず、車両がそのまま進行し、例えば車両進行方向
に阻止棒が１０度以上傾くと、突破信号を発生する装置
である。If the discrimination signals do not match, the blocking bar 500 does not operate, and the vehicle travels as it is. For example, when the blocking bar is tilted by 10 degrees or more in the vehicle traveling direction, this device generates a breakthrough signal.
【００２５】図５（ａ）に阻止棒５００が開放するまえ
の電圧レベルを示す。また、図５（ｂ）に阻止棒５００
が開放した場合の電圧レベルを示す。これにより、阻止
棒５００を強行突破した場合、その遮断棒５００が開く
ことで外部トリガが働き、車両のフロントガラス周辺を
照射する照明装置Ｂ１１が発光し、強行突破車両のみ車
内を撮影できるように構成したものである。FIG. 5A shows a voltage level before the blocking bar 500 is opened. FIG. 5B shows a blocking bar 500.
Indicates the voltage level when is open. Accordingly, when the blocking bar 500 is forcibly breached, the blocking bar 500 is opened, an external trigger is activated, and the illumination device B11 for irradiating the vicinity of the windshield of the vehicle emits light, so that only the forcibly breached vehicle can photograph the inside of the vehicle. It is composed.
【００２６】実施の形態３．図６はこの発明の実施の形
態３を示す構成図であり、この実施の形態３ではフロン
トガラスを含む車両全体を照射する配光特性を有する照
明装置４とフロントガラスを含む車両全体を撮影する第
１の赤外カメラ３および第２の赤外カメラ１０と発光器
３００と受光器３０１を道路進行方向に直交する位置に
設置し、光を遮ると感知信号を出し、照明装置４と車両
全体を撮影する第１の赤外カメラ３および第２の赤外カ
メラ１０とを同期させ、撮影する手段を設け、例えば、
照明装置1台で、第１のカメラ画像１５はナンバープレ
ートが識別できる絞り値ｆ８に合せ、第２のカメラ画像
１６はフロントガラスから車内が識別できる絞り値ｆ４
に合せた撮影ができるように構成したものである。Embodiment 3 FIG. FIG. 6 is a block diagram showing a third embodiment of the present invention. In the third embodiment, the entire vehicle including the windshield and the lighting device 4 having a light distribution characteristic for irradiating the entire vehicle including the windshield are photographed. The first infrared camera 3 and the second infrared camera 10, the light emitter 300, and the light receiver 301 are installed at positions orthogonal to the traveling direction of the road. A means for synchronizing the first infrared camera 3 and the second infrared camera 10 for photographing the image and providing an image, for example,
With one lighting device, the first camera image 15 is adjusted to the aperture value f8 at which the license plate can be identified, and the second camera image 16 is adjusted to the aperture value f4 at which the interior of the vehicle can be identified from the windshield.
It is configured so that it is possible to shoot in accordance with.
【００２７】実施の形態４．図７はこの発明の実施の形
態４を示す構成図であり、この実施の形態４では、外光
を常に監視する外光センサ４００とフロントガラスを含
む車両全体を照射する配光特性を有する照明装置４とフ
ロントガラスを含む車両全体を撮影する赤外カメラ３を
同期させ連続的に撮影し、外光センサ４００の光量情報
を制御機６に送り、制御機６はその光量値をカメラ３に
送り、1回目の撮影画像１７はナンバープレートが識別
できるように絞りを合せ、2回目の撮影画像１８は、フ
ロントガラスから車内が識別できるように、1回目絞り
値の4倍の光量が得られるように絞りを合せることで、1
台のカメラと1台の照明装置で連続的に撮影ができるよ
うに構成したものである。Embodiment 4 FIG. 7 is a block diagram showing a fourth embodiment of the present invention. In the fourth embodiment, an external light sensor 400 for constantly monitoring external light and an illumination having a light distribution characteristic for irradiating the entire vehicle including a windshield. The device 4 and the infrared camera 3 for photographing the entire vehicle including the windshield are synchronized and continuously photographed, and the light amount information of the external light sensor 400 is sent to the controller 6, and the controller 6 sends the light amount value to the camera 3. The first photographed image 17 is adjusted in aperture so that the license plate can be identified, and the second photographed image 18 can obtain a light amount four times the first aperture value so that the inside of the vehicle can be identified from the windshield. By adjusting the aperture as follows, 1
The camera is configured to be able to shoot continuously with one camera and one lighting device.
【００２８】実施の形態５．図８はこの発明の実施の形
態５を示す構成図であり、この実施の形態５では、フロ
ントガラスを含む車両全体を照射する配光特性を有する
照明装置４とフロントガラスを含む車両全体を撮影する
赤外カメラ３を同期させ撮影する。カメラ３の絞りは、
車内が認識できる光量にあわせる。カメラ３の前面に撮
影画像の下半分に減光フィルタがかかるように設ける。
撮影画像減光フィルタ領域１９に示すようにナンバープ
レートと車内との光量差を持たせ、カメラ1台と照明装
置1台でナンバープレートと車内が認識できるように構
成したものである。Embodiment 5 FIG. 8 is a block diagram showing a fifth embodiment of the present invention. In the fifth embodiment, the entire vehicle including a windshield and a lighting device 4 having a light distribution characteristic for irradiating the entire vehicle including a windshield are photographed. And synchronizing the infrared camera 3 for shooting. The aperture of camera 3 is
Adjust to the amount of light that can be recognized inside the car. A light-reducing filter is provided on the front of the camera 3 so as to cover the lower half of the captured image.
As shown in a captured image dimming filter area 19, the light quantity difference between the license plate and the vehicle interior is provided so that one camera and one lighting device can recognize the license plate and the vehicle interior.
【００２９】カメラ３の前面に撮影画像の下半分に減光
フィルタがかかるように設けることにより、昼間撮像画
像のハレーションの軽減を可能にし、ナンバープレート
と車内との光量差を持たせ、カメラ1台と照明装置1台で
ナンバープレートと車内が認識できるようにしたもので
ある。By providing a dimming filter on the front half of the camera 3 so as to cover the lower half of the photographed image, it is possible to reduce the halation of the photographed image in the daytime, to provide a light amount difference between the license plate and the inside of the vehicle, The license plate and the inside of the car can be recognized by one stand and one lighting device.
【００３０】[0030]
【発明の効果】この発明によれば、車内やナンバープレ
ートの明るさ調整ができ、昼間の撮影画像でのフロント
ガラスの部分的なハレーションが発生する場合も車内を
見えやすくすることができる。According to the present invention, the brightness of the interior of the vehicle and the license plate can be adjusted, and the interior of the vehicle can be easily seen even when a partial halation of the windshield occurs in a daytime photographed image.
【図１】 この発明における撮像装置の実施の形態１を
示す構成図である。FIG. 1 is a configuration diagram illustrating Embodiment 1 of an imaging device according to the present invention.
【図２】 この発明における実施の形態１の照明装置を
示す構成図である。FIG. 2 is a configuration diagram illustrating a lighting device according to a first embodiment of the present invention.
【図３】 この発明における撮像装置の実施の形態２を
示す構成図である。FIG. 3 is a configuration diagram showing Embodiment 2 of the imaging apparatus according to the present invention.
【図４】 この発明における実施の形態3のトリガ装置
動作を示す図である。FIG. 4 is a diagram illustrating an operation of a trigger device according to a third embodiment of the present invention.
【図５】 この発明における実施の形態3のトリガ装置
動作電圧を示す図である。FIG. 5 is a diagram showing a trigger device operating voltage according to a third embodiment of the present invention.
【図６】 この発明における撮像装置の実施の形態３を
示す構成図である。FIG. 6 is a configuration diagram showing Embodiment 3 of the imaging apparatus according to the present invention.
【図７】 この発明における撮像装置の実施の形態４を
示す構成図である。FIG. 7 is a configuration diagram showing Embodiment 4 of the imaging apparatus according to the present invention.
【図８】 この発明における撮像装置の実施の形態５を
示す構成図である。FIG. 8 is a configuration diagram showing Embodiment 5 of the imaging apparatus according to the present invention.
【図９】 従来の撮像装置を示す構成図である。FIG. 9 is a configuration diagram illustrating a conventional imaging device.
３ 赤外カメラ、４ 照明装置、１０ 赤外カメラ、１
１ 照明装置、１４外部トリガ装置、１９ 撮影画像偏
光フィルタ領域、１００ ＬＥＤ基板、１０１ ＬＥＤ駆
動基板、１０２ ＬＥＤ駆動電源、２００ ストロボラン
プ、２０１ストロボ電源、２０２ フレネルレンズ、３
００ 発光器、３０１ 受光器、４００ 外光センサ、５
００ 阻止棒、５０１ 車載器、５０２ 車載通信アンテ
ナ3 infrared camera, 4 illumination device, 10 infrared camera, 1
Reference Signs List 1 illumination device, 14 external trigger device, 19 captured image polarizing filter area, 100 LED board, 101 LED drive board, 102 LED drive power supply, 200 strobe lamp, 201 strobe power supply, 202 Fresnel lens, 3
00 light emitter, 301 light receiver, 400 external light sensor, 5
00 blocking rod, 501 on-board unit, 502 on-board communication antenna
Claims (7)
カメラを備えた撮像装置において、車両全体と車両フロ
ントガラスとの光量差を持たせるように上記車両全体と
車両フロントガラスを照射する照明装置を設けたことを
特徴とする撮像装置。An image pickup apparatus provided with a camera for photographing an entire vehicle including a windshield, wherein an illuminating device for irradiating the entire vehicle and the vehicle windshield so as to have a light quantity difference between the entire vehicle and the vehicle windshield. An imaging device, comprising:
る配光特性を有する第１の照明装置と、車両のフロント
ガラス周辺を照射する第２の照明装置と、フロントガラ
スを含む車両全体を撮影するカメラと、上記第１、第２
の照明装置と上記カメラを同期させるための手段とを備
え、車両全体と車両フロントガラスとの光量差を設ける
ことを特徴とする撮像装置。2. A first illumination device having a light distribution characteristic for illuminating the entire vehicle including the windshield, a second illumination device for illuminating the periphery of the windshield of the vehicle, and photographing the entire vehicle including the windshield. A camera and the first and second
An imaging apparatus comprising: the illumination device according to (1); and means for synchronizing the camera, and providing a light amount difference between the entire vehicle and a vehicle windshield.
るカメラと、フロントガラスを含む車両全体を照射する
配光特性を有する第１の照明装置と、上記カメラと第１
の照明装置をを同期させて周期的に撮影するための手段
と、任意に発光できる、車両のフロントガラス周辺を照
射する第２の照明装置とを具備したことを特徴とする撮
像装置。3. A camera for photographing the entire vehicle including the windshield, a first lighting device having a light distribution characteristic for illuminating the entire vehicle including the windshield, the camera and the first camera.
An image pickup apparatus comprising: means for periodically photographing the lighting apparatus in synchronization with the lighting apparatus; and a second lighting apparatus that can arbitrarily emit light and irradiates a periphery of a windshield of the vehicle.
る配光特性を有する照明装置と、フロントガラスを含む
車両全体を撮影する第１および第２のカメラと、上記照
明装置と上記第１、第２のカメラとを同期させるための
手段を設け、さらに上記第１のカメラはナンバープレー
トが識別できる絞り値に合せ、第２のカメラはフロント
ガラスから車内が識別できる絞り値に合せることを特徴
とする撮像装置。4. An illumination device having a light distribution characteristic for illuminating the entire vehicle including the windshield, first and second cameras for photographing the entire vehicle including the windshield, the illumination device and the first and second cameras. Means for synchronizing with the second camera is provided, and the first camera is adapted to an aperture value capable of identifying the license plate, and the second camera is adapted to an aperture value capable of identifying the interior of the vehicle from the windshield. Imaging device.
る配光特性を有する照明装置と、フロントガラスを含む
車両全体を撮影するカメラと、上記照明装置とカメラを
同期させ連続的に撮影するための手段とを備え、上記カ
メラは、1回目の撮影時はナンバープレートが識別でき
るように絞りを合せ、2回目の撮影時は、フロントガラ
スから車内が識別できる絞り値に合せることを特徴とす
る撮像装置。5. An illumination device having a light distribution characteristic for illuminating the entire vehicle including a windshield, a camera for photographing the entire vehicle including the windshield, and a camera for synchronizing the illumination device with the camera and continuously photographing. Means, wherein the camera adjusts the aperture so that the license plate can be identified at the time of the first shooting, and adjusts the aperture value at the time of the second shooting so that the inside of the vehicle can be identified from the windshield. apparatus.
るカメラを備えた撮像装置において、フロントガラスを
含む車両全体を照射する配光特性を有する照明装置と、
車両のナンバープレートと車内との光量差を持たせるた
めの手段とを具備したことを特徴とする撮像装置。6. An image pickup apparatus provided with a camera for photographing an entire vehicle including a windshield, wherein the illumination device has a light distribution characteristic for irradiating the entire vehicle including the windshield;
An imaging apparatus comprising: means for providing a light amount difference between a license plate of a vehicle and a vehicle interior.
る配光特性を有する照明装置と、フロントガラスを含む
車両全体を撮影するカメラと、上記照明装置とカメラを
同期させ撮影するための手段と、上記カメラの前面に設
けられ、ナンバープレートと車内との光量差を持たせる
ための偏光フィルタとを具備したことを特徴とする撮像
装置。7. An illuminating device having a light distribution characteristic for illuminating the entire vehicle including the windshield, a camera for photographing the entire vehicle including the windshield, and means for synchronizing the illuminating device with the camera for photographing; An image pickup apparatus, comprising: a polarizing filter provided on a front surface of the camera and having a light amount difference between a license plate and a vehicle interior.
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| JP2000346772A JP4366008B2 (en) | 2000-11-14 | 2000-11-14 | Imaging device |
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| JP2000346772A JP4366008B2 (en) | 2000-11-14 | 2000-11-14 | Imaging device |
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|---|---|
| JP2002152560A true JP2002152560A (en) | 2002-05-24 |
| JP2002152560A5 JP2002152560A5 (en) | 2005-06-09 |
| JP4366008B2 JP4366008B2 (en) | 2009-11-18 |
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|---|---|---|---|---|
| WO2018179534A1 (en) * | 2017-03-30 | 2018-10-04 | 日本電気株式会社 | Imaging system, imaging method, and imaging control program |
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|---|---|---|---|---|
| US9953210B1 (en) | 2017-05-30 | 2018-04-24 | Gatekeeper Inc. | Apparatus, systems and methods for improved facial detection and recognition in vehicle inspection security systems |
| US11538257B2 (en) | 2017-12-08 | 2022-12-27 | Gatekeeper Inc. | Detection, counting and identification of occupants in vehicles |
| US10867193B1 (en) | 2019-07-10 | 2020-12-15 | Gatekeeper Security, Inc. | Imaging systems for facial detection, license plate reading, vehicle overview and vehicle make, model, and color detection |
| US11196965B2 (en) | 2019-10-25 | 2021-12-07 | Gatekeeper Security, Inc. | Image artifact mitigation in scanners for entry control systems |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018179534A1 (en) * | 2017-03-30 | 2018-10-04 | 日本電気株式会社 | Imaging system, imaging method, and imaging control program |
| JPWO2018179534A1 (en) * | 2017-03-30 | 2020-02-06 | 日本電気株式会社 | Imaging system, imaging method, and imaging control program |
| US11043119B2 (en) | 2017-03-30 | 2021-06-22 | Nec Corporation | Imaging system, imaging method, and imaging control program |
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