KR100768135B1 - Photographing system for overspeeding car of multiple lines - Google Patents

Photographing system for overspeeding car of multiple lines Download PDF

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KR100768135B1
KR100768135B1 KR1020070011298A KR20070011298A KR100768135B1 KR 100768135 B1 KR100768135 B1 KR 100768135B1 KR 1020070011298 A KR1020070011298 A KR 1020070011298A KR 20070011298 A KR20070011298 A KR 20070011298A KR 100768135 B1 KR100768135 B1 KR 100768135B1
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South Korea
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image
vehicle
lane
camera
speeding
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KR1020070011298A
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Korean (ko)
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강현인
곽한섭
설성욱
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(주) 인펙
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles

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  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

A system for monitoring multiple lines is provided to enhance image processing speed by executing an image extraction on a lane of an overspeeding vehicle, using an image extracting window. A camera(210) photographs plural lanes. An overspeeding vehicle detecting module(110,120,130) detects an overspeeding vehicle among vehicles in the plural lanes. A camera driving module(150) drives the camera when the overspeeding vehicle is detected. An image extracting module(180) receives the photographed image from the camera, receives a lane of the overspeed vehicle, extracts an image region of the lane of the overspeed vehicle, and extracts a license number image from the image region. The image extracting module further includes an image extracting window. The image region of the lane is the image region selected in the image extracting window.

Description

복수차선 감시장치{photographing system for overspeeding car of multiple lines}Multiple lane monitoring device {photographing system for overspeeding car of multiple lines}

도 1은 종래의 복수차선 과속차량을 검출하기 위한 장치의 구성도이다.1 is a configuration diagram of a device for detecting a conventional multi-lane speeding vehicle.

도 2는 도 1에 설치된 개별차선의 과속차량 검출장치의 블록도이다.FIG. 2 is a block diagram of an apparatus for detecting overspeed vehicles of individual lanes installed in FIG. 1.

도 3은 본 발명의 제1실시예를 설명하기 위한 구성도이다.3 is a configuration diagram illustrating a first embodiment of the present invention.

도 4는 본 발명의 제1실시예를 설명하는 회로블록도이다.4 is a circuit block diagram illustrating a first embodiment of the present invention.

도 5 본 발명의 제1실시예의 과속차량 검출모듈의 동작과정을 설명하는 순서도이다.5 is a flowchart illustrating the operation of the speeding vehicle detection module according to the first embodiment of the present invention.

도 6은 본 발명의 제1실시예에서 영상획득과정을 나타내는 타이밍도이다.6 is a timing diagram illustrating an image acquisition process in the first embodiment of the present invention.

도 7은 본 발명의 제1실시예서 영상추출을 위한 윈도우의 예시도이다.7 is an exemplary view of a window for image extraction in the first embodiment of the present invention.

본 발명은 하나의 카메라에 의하여 복수차선의 과속차량을 촬상할 수 있도록 하는 복수차선 감시장치에 관한 것이다.The present invention relates to a multi-lane monitoring apparatus that allows a single camera to image a speeding vehicle in a multi-lane.

복수차선을 과속으로 주행하는 차량들의 번호판을 인식하기 위해서는 각 차선마다 개별적으로 과속차량을 검출하고, 검출된 차량의 번호판을 인식하는 차량 번호판 인식장치가 설치된다.In order to recognize license plates of vehicles traveling at multiple speeds, a vehicle license plate recognizing apparatus for detecting a speeding vehicle individually and recognizing a license plate of the detected vehicle is provided for each lane.

도 1에 도시된 바와 같이, 종래의 북수차선의 과속차량을 검출하기 위한 장치는 각 차선1, 2, 3에 개별적으로 설치된다. 차선1에는 루프1, 1'가 설치되어 통과차량4의 속도를 검출하도록 하고, 차선2에는 루프2, 2'가 설치되어 통과차량5의 속도를 검출하도록 하고, 차선3에는 루프3, 3'가 설치되어 통과차량6의 속도를 검출한다. 각 차선에 설치된 루프는 차량이 통과하게 되면, 압력에 의하여 전기접점이 온/오프 되도록 하고, 각 루프상을 차량이 통과하게 되는 시간차와 설치위치에 의하여 통과차량의 속도를 산출하도록 한다.As shown in FIG. 1, the apparatus for detecting the speeding vehicle of the conventional north water lane is installed in each of lanes 1, 2, and 3 separately. In lane 1, loops 1 and 1 'are installed to detect the speed of the passing vehicle 4, and in lane 2, loops 2 and 2' are installed to detect the speed of the passing vehicle 5, and in lane 3, the loops 3 and 3 'are detected. Is installed to detect the speed of the passing vehicle 6. The loops installed in each lane allow the electrical contact to turn on / off by the pressure when the vehicle passes, and calculate the speed of the passing vehicle by the time difference and the installation position of the vehicle passing through each loop.

또한, 차선1의 루프1, 1'는 콘트롤러(10)에 전기접점의 온/오프신호를 공급하고, 차선2의 루프2, 2'는 콘트롤러(20)에, 차선3의 루프3, 3'는 전기접점의 온/오프신호를 각각 콘트롤러(30)에 공급한다.Further, the loops 1 and 1 'of the lane 1 supply the on / off signal of the electrical contact to the controller 10, and the loops 2 and 2' of the lane 2 to the controller 20 and the loops 3 and 3 'of the lane 3 Supplies an on / off signal of the electrical contact to the controller 30, respectively.

도 2에 도시된 바와 같이, 콘트롤러(10)는 연결된 루프로부터 입력되는 전기접점 신호가 차량검지용 루프 디텍터(11)에 의하여 통과차량의 속도를 산출하여 영상획득제어기(12)에 입력하며, 영상획득제어기(12)는 입력된 속도가 기설정된 값 이상이면, 조명장치(14)와 카메라(13)를 제어하여 통과차량을 촬상하도록 하며, 카메라(13)로부터 촬상된 영상을 입력받아 번호판 인식기(15)에 전송하여 번호판을 인식하도록 하며, 번호판 인식기(15)는 입력되는 영상에서 번호판의 숫자 문자를 인식하여 인터페이스(16)을 통하여 유무선 통신을 하여 외부 서버로 전송하거나 연결된 프린터로 인쇄하도록 한다.As shown in FIG. 2, the controller 10 calculates the speed of the passing vehicle by the vehicle detecting loop detector 11 and inputs the electric contact signal input from the connected loop to the image acquisition controller 12. The acquisition controller 12 controls the lighting device 14 and the camera 13 to capture a passing vehicle when the input speed is greater than or equal to a preset value. The acquisition controller 12 receives an image captured by the camera 13 and receives a license plate recognizer ( 15) to recognize the license plate, the license plate recognizer 15 recognizes the numeric characters of the license plate in the input image to perform wired or wireless communication through the interface 16 to be transmitted to an external server or to print to the connected printer.

이와 같이 각각의 루프에는 콘트롤러(10), (20), (30)를 비롯하여 카메 라(13), (23), (33)가 개별적으로 설치되어야 하기 때문에 설치비용과 유지관리 비용이 많이 소요된다.As such, each of the loops requires the installation of the controllers 10, 20, and 30, as well as the cameras 13, 23, and 33 separately, resulting in high installation and maintenance costs. .

본 발명은 이러한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 복수차선에 설치된 루프로부터 감지되는 과속차량의 신호에 의하여 하나의 카메라로 복수차선을 촬영하며, 하나의 시스템으로 과속차량의 번호판을 인식하도록 하여 저렴하면서도 고장률이 낮아 유지비용이 적게 소요되는 복수차선 감시장치를 제공하기 위한 것이다.The present invention is to solve this problem, an object of the present invention is to shoot multiple lanes with one camera by the signal of the speeding vehicle detected from a loop installed in the multiple lanes, and recognize the license plate of the speeding vehicle with one system In order to provide a multi-lane monitoring device that is low in cost but low in maintenance cost, the maintenance cost is low.

또한, 본 발명의 다른 목적은 카메라 화각내에 여러 대의 차가 동시에 진입할 때 촬상되는 영상으로부터 차량 번호판을 정확히 인식하기 위한 복수차선 감시장치를 제공하기 위한 것이다.Another object of the present invention is to provide a multi-lane monitoring apparatus for accurately recognizing a vehicle license plate from an image captured when several cars enter simultaneously in a camera field of view.

상기 목적들을 달성하기 위한 본 발명의 구체적인 특징은 복수 차선들을 하나의 영상으로 촬상하는 카메라; 상기 복수 차선들을 주행하는 차량들 중 기설정된 속도이상으로 주행하는 과속차량을 검출하는 과속차량 검출모듈; 상기 과속차량 검출모듈에 의하여 상기 과속차량이 검출될 때 상기 카메라를 구동시키는 카메라 구동모듈; 상기 카메라에 의하여 촬상된 영상을 입력받고, 상기 과속차량 검출모듈에서 검출된 상기 과속차량이 주행하는 차선을 입력받고, 상기 카메라로부터 전송된 영상으로부터 상기 과속차량이 주행하는 차선의 영상영역을 추출하고, 추출된 상기 과속차량이 주행하는 차선의 영상영역으로부터 상기 과속차량의 번호판의 영상을 추출하는 영상 추출모듈을 포함하며, 상기 영상 추출모듈은 각 차선의 영상영역을 지정한 영상 추출윈도우를 더 포함하며, 상기 과속차량이 주행하는 차선의 영상영역은 상기 카메라로부터 입력받은 영상 중 상기 영상추출윈도우에서 지정된 영상영역인 것이다.Specific features of the present invention for achieving the above object is a camera for imaging a plurality of lanes in one image; A speeding vehicle detection module detecting a speeding vehicle traveling at a speed higher than a predetermined speed among vehicles traveling in the plurality of lanes; A camera driving module for driving the camera when the speeding vehicle is detected by the speeding vehicle detection module; Receiving an image captured by the camera, receiving a lane on which the speeded vehicle detected by the speeded vehicle detection module is driven, and extracting an image area of a lane on which the speeded vehicle travels from an image transmitted from the camera; And an image extraction module for extracting an image of the license plate of the speeding vehicle from the extracted image area of the lane in which the speeding vehicle travels. The image area of the lane in which the speeding vehicle travels is an image area designated by the image extraction window of the image input from the camera.

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또한, 본 발명에서 상기 번호판 영상으로부터 차량번호를 인식하는 번호 인식모듈을 더 포함하는 것이 바람직하다.In addition, the present invention preferably further comprises a number recognition module for recognizing the vehicle number from the license plate image.

또한, 본 발명에서 상기 영상 추출모듈은 적어도 하나 이상의 영상버퍼들을 구비하며, 상기 영상추출모듈은 상기 과속차량 검출모듈에서 검출된 과속차량이 주행하는 차선의 순서대로 상기 영상추출윈도우를 적용하여 상기 과속차량이 주행하는 차선의 영상영역을 추출하고, 상기 과속차량이 주행하는 차선의 영역이 추출되는 순서대로 상기 영상버퍼에 입력시키고, 상기 영상버퍼로부터 출력되는 순서대로 상기 과속차량의 번호판영역을 추출하는 것이 바람직하다.The image extracting module may include at least one image buffer, and the image extracting module may apply the image extracting windows in the order of the lanes in which the speeding vehicle detected by the speeding vehicle detecting module travels. Extracting an image region of a lane in which a vehicle travels, inputting the image buffer to the image buffer in the order in which the region of the lane in which the speeding vehicle runs is extracted, and extracting a license plate region of the speeding vehicle in the order output from the image buffer; It is preferable.

이하, 첨부된 도면에 따라서 본 발명의 제1실시예를 상세히 설명하기로 한다.Hereinafter, a first embodiment of the present invention according to the accompanying drawings will be described in detail.

도 3, 4에 도시된 바와 같이, 도로에는 3개의 차선1, 차선2, 차선3이 형성되어 있으며, 차선1에는 차량1이, 차선2에는 차량2가, 차선3에는 차량3이 주행중에 있으며, 차선1에는 주행하는 차량에 의하여 접점이 접촉되는 루프1,1', 차선2에는 루프2, 2', 차선3에는 루프3, 3'가 설치되어 있으며, 각 차선에 설치된 루프에서 검출된 신호는 콘트롤러(100)의 과속차량 검출모듈(110), (120), (130)에 전송되어 촬상장치(200)가 동작되어 과속차량을 촬상하게 된다.As shown in FIGS. 3 and 4, three lanes 1, 2, and 3 are formed on the road, vehicle 1 is in lane 1, vehicle 2 is in lane 2, and vehicle 3 is in lane 3. In lane 1, loops 1 and 1 'are contacted by a traveling vehicle, loops 2 and 2' are installed in lane 2, and loops 3 and 3 'are installed in lane 3, and the signals detected by the loops installed in each lane are provided. Is transmitted to the speed vehicle detection module 110, 120, 130 of the controller 100 to operate the imaging device 200 to image the speed vehicle.

콘트롤러(100)는 임베디드 PC(embeded Pesonal Computer) 시스템으로, 운영체제를 담당하는 제어모듈(140)과, 차선에 설치된 루프들로부터 입력되는 신호에 의하여 통과차량의 과속여부를 판정하여 제어모듈(140)에 입력하는 과속차량 검출모듈(110), (120), (130), 제어모듈(140)에 연결되어 카메라(210)와 조명(220)으로 이루어진 촬상장치(200)를 구동시키는 카메라 구동모듈(150), 과속차량 검출모듈(110), (120), (130)에 의하여 과속차량이 검출될 때 카메라(210)에 의하여 촬상된 영상으로부터 과속차량이 검출된 차선의 영상만을 분리 추출하고, 추출된 영상으로부터 차량의 번호판 영상만을 추출하는 영상추출모듈(180)과, 추출된 번호판 영상으로부터 문자 및 숫자를 인식하는 번호판 인식모듈(170)과, 번호판 인식모듈(170)에 의하여 인식된 차량번호 및 과속차량의 영상을 프린터 및 인터넷을 비롯한 외부 통신망을 포함하는 출력부(300)로 출력하도록 하는 인터페이스 모듈(160)로 이루어진다.The controller 100 is an embedded Pesonal Computer (PC) system. The controller 100 determines whether the passing vehicle is speeded based on a signal input from a control module 140 that is in charge of an operating system and loops installed in a lane, and controls the control module 140. Camera driving module connected to the speed vehicle detection module 110, 120, 130, the control module 140 to be input to the camera driving the imaging device 200 consisting of the camera 210 and the illumination 220 ( 150, when the speeding vehicle is detected by the speeding vehicle detection modules 110, 120, and 130, only the image of the lane in which the speeding vehicle is detected is extracted and extracted from the image captured by the camera 210. An image extraction module 180 for extracting only license plate images of the vehicle from the extracted images, a license plate recognition module 170 for recognizing letters and numbers from the extracted license plate image, a vehicle number recognized by the license plate recognition module 170, and Print a video of speeding vehicles Interface module 160 for outputting to an output unit 300 including an external communication network including the Internet and the Internet.

도 5에 도시된 바와 같이, 과속차량 검출모듈(110)은 차량1이 루프1, 1'를 통과할 때, 통과시간(△t)을 감지하고, 루프간 거리(△L)를 통과시간으로 나누어 주행차량의 속도(△L/△t)를 산출하고, 주행차량의 속도가 설정된 제한속도보다 크면 과속차량으로 판정하여 과속정보인 주행차량의 속도, 제한속도, 주행차량의 통과시간정보를 생성하여 제어모듈(140)에 전송한다.As shown in FIG. 5, the speeding vehicle detection module 110 detects a passing time Δt when the vehicle 1 passes through the loops 1 and 1 ′ and sets the distance between the loops ΔL as the passing time. Calculate the speed (△ L / Δt) of the traveling vehicle by dividing, and if the speed of the driving vehicle is greater than the set speed limit, determine the speeding vehicle and generate the speed, limit speed, and passing time information of the driving vehicle, which is the speeding information. To the control module 140.

도 7의 [1]은 과속으로 주행하는 차량1, 2, 3이 각각의 루프에 접촉된 시점을 나타내는 타이밍도로서 차량2가 가장 먼저 루프2, 2'에 진인하고, 그 다음에 차 량1이 루프1, 1'에, 마지막으로 차량3이 루프3, 3'에 진입한 것을 나타내며, [2]는 과속차량검출모듈(110), (120), (130)에서 과속차량이 검출되는 타이밍도로서 루프들에 진입하는 순서대로 과속차량이 검출되게 된다.[1] of FIG. 7 is a timing diagram showing the time points at which the vehicles 1, 2, and 3 traveling at speed are in contact with the respective loops, and the vehicle 2 first enters the loops 2, 2 ', and then the vehicle 1 In the loops 1 and 1 ', the vehicle 3 finally enters the loops 3 and 3', and [2] indicates the timing at which the speeded vehicle is detected by the speeded vehicle detection modules 110, 120, and 130. As a result, speeding vehicles are detected in the order of entering the loops.

또한, [2]의 순서대로 과속차량이 검출될 때, 제어모듈(140)은 카메라(210)를 3번 구동시켜 촬상을 하게 된다. 또한, 제어모듈(140)은 카메라(210)에 의하여 촬상된 영상과 과속차량검출모듈(110), (120), (130)에서 전송된 과속정보를 영상추출모듈(180)에 전송하게 된다.In addition, when the speeding vehicle is detected in the order of [2], the control module 140 drives the camera 210 three times to take an image. In addition, the control module 140 transmits the image captured by the camera 210 and the speeding information transmitted from the speeding vehicle detection modules 110, 120, and 130 to the image extraction module 180.

영상추출모듈(180)은 도 7에 도시된 바와 같이 하나의 차선만을 추출할 수 있는 차선별로 분할된 영상추출 윈도우(winsow1, 2, 3)를 구비하며, 적어도 하나 이상의 영상버퍼를 구비한다. 영상추출모듈(180)은 카메라(210)로부터 입력되는 영상을 과속차량검출모듈(110), (120), (130)에서 과속차량을 검출한 순서대로 각 차선의 영상추출 윈도우를 곱하여 각 차선의 영상을 획득하고, 차선의 영상을 영상버퍼에 입력하여 번호판인식모듈(170)에 FIFO(First In First Out)방식으로 출력시킨다.As illustrated in FIG. 7, the image extraction module 180 includes image extraction windows winsow1, 2 and 3 divided by lanes capable of extracting only one lane, and includes at least one image buffer. The image extraction module 180 multiplies the image input window of each lane by multiplying the image extraction window of each lane in the order in which the speeding vehicles are detected by the speeding vehicle detection modules 110, 120, and 130. An image is obtained and the lane image is input to the image buffer and output to the license plate recognition module 170 in a FIFO (First In First Out) method.

도 6의 [3]은 영상추출모듈(180)에서 영상추출 윈도우에 의하여 각 차선의 영상이 추출되는 순서를 나타내는 것이고, 도 6의 [4]는 각 차선의 영상이 추출되는 순서대로 번호판의 영상이 추출되는 영상처리과정의 순서를 나타내고 있다.[3] of FIG. 6 shows an order of extracting images of each lane by the image extraction window in the image extraction module 180, and [4] of FIG. 6 shows an image of the license plate in the order of extracting images of each lane. The sequence of the extracted image processing is shown.

과속차량을 촬상하기 위해서는 고해상도의 카메라를 사용하고 있으며, 고해상도 카메라는 30fps의 영상촬영속도와 차량진행방향으로 10m 이상의 화각을 갖고 있다. 30fps에 의하여 촬영할 때 약33msec 간격으로 촬영되고, 120km/h 속도로 달 리는 차량은 33msec 동안에 약 1m를 진행한다. 따라서, 3개의 차량이 각 차선의 루프를 미세한 차이로 통과할 때, 3대 차량에 대한 영상을 루프로부터 약 3m 통과하는 시점까지 순차적으로 획득할 수 있다.High-speed cameras are used to capture speeding vehicles, and high-resolution cameras have a 30fps image capture speed and an angle of view of more than 10m in the direction of vehicle travel. When shooting at 30fps, the vehicle is shot at about 33msec intervals, and the vehicle running at 120km / h speed is about 1m during 33msec. Therefore, when the three vehicles pass through the loop of each lane with a minute difference, the images of the three vehicles may be sequentially obtained up to the point of time passing about 3m from the loop.

상기 목적과 구성을 갖는 본 발명은 상기 복수차선에 과속차량이 주행할 때, 과속차량이 주행하는 차선에 대하여 영상 추출윈도우를 사용하여 영상추출함으로써 영상처리속도를 높일 수 있다. 또한, 본 발명은 영상버퍼를 사용하여 미세한 차이로 복수차선을 통과하는 과속차량들에 대하여도 안정적으로 영상처리를 할 수 있는 효과가 있다.According to the present invention having the above object and configuration, when the speeding vehicle travels in the plurality of lanes, the image processing speed can be increased by extracting an image using the image extraction window for the lane in which the speeding vehicle travels. In addition, the present invention has the effect that it is possible to stably image processing for the speeding vehicles passing through the multiple lanes by a minute difference by using the image buffer.

Claims (4)

복수 차선들을 하나의 영상으로 촬상하는 카메라;A camera for photographing the plurality of lanes as one image; 상기 복수 차선들을 주행하는 차량들 중 기설정된 속도이상으로 주행하는 과속차량을 검출하는 과속차량 검출모듈;A speeding vehicle detection module detecting a speeding vehicle traveling at a speed higher than a predetermined speed among vehicles traveling in the plurality of lanes; 상기 과속차량 검출모듈에 의하여 상기 과속차량이 검출될 때 상기 카메라를 구동시키는 카메라 구동모듈;A camera driving module for driving the camera when the speeding vehicle is detected by the speeding vehicle detection module; 상기 카메라에 의하여 촬상된 영상을 입력받고, 상기 과속차량 검출모듈에서 검출된 상기 과속차량이 주행하는 차선을 입력받고, 상기 카메라로부터 전송된 영상으로부터 상기 과속차량이 주행하는 차선의 영상영역을 추출하고, 추출된 상기 과속차량이 주행하는 차선의 영상영역으로부터 상기 과속차량의 번호판의 영상을 추출하는 영상 추출모듈을 포함하며,Receiving an image captured by the camera, receiving a lane on which the speeded vehicle detected by the speeded vehicle detection module is driven, and extracting an image area of a lane on which the speeded vehicle travels from an image transmitted from the camera; And an image extraction module for extracting an image of the license plate of the speeding vehicle from the extracted image area of the lane on which the speeding vehicle travels. 상기 영상 추출모듈은 각 차선의 영상영역을 지정한 영상 추출윈도우를 더 포함하며, 상기 과속차량이 주행하는 차선의 영상영역은 상기 카메라로부터 입력받은 영상 중 상기 영상추출윈도우에서 지정된 영상영역인 것을 특징으로 하는 복수 차선 감시장치.The image extracting module further includes an image extracting window designating an image region of each lane, wherein the image region of the lane on which the speeding vehicle travels is an image region designated by the image extracting window among images input from the camera. Multiple lane monitoring device. 삭제delete 제1항에 있어서, 상기 번호판 영상으로부터 차량번호를 인식하는 번호 인식모듈을 더 포함하는 것을 특징으로 하는 복수 차선 감시장치.The multi-lane monitoring apparatus according to claim 1, further comprising a number recognition module for recognizing a vehicle number from the license plate image. 제1항에 있어서, 상기 영상 추출모듈은 적어도 하나 이상의 영상버퍼들을 구비하며, 상기 영상추출모듈은 상기 과속차량검출모듈에서 검출된 과속차량이 주행하는 차선의 순서대로 상기 영상추출윈도우를 적용하여 상기 과속차량이 주행하는 차선의 영상영역을 추출하고, 상기 과속차량이 주행하는 차선의 영역이 추출되는 순서대로 상기 영상버퍼에 입력시키고, 상기 영상버퍼로부터 출력되는 순서대로 상기 과속차량의 번호판영역을 추출하는 것을 특징으로 하는 복수 차선 감시장치. The image extraction module of claim 1, wherein the image extraction module comprises at least one image buffer, and the image extraction module applies the image extraction windows in the order of the lanes in which the speeded vehicle detected by the speeded vehicle detection module is driven. Extracts the video region of the lane in which the speeding vehicle travels, inputs it to the image buffer in the order in which the region of the lane in which the speeding vehicle travels is extracted, and extracts the license plate region of the speeding vehicle in the order of output from the image buffer. Multiple lane monitoring device characterized in that.
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