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KR20220083944A - The system of the starting control and face recognition to prevent drunk driving - Google Patents

The system of the starting control and face recognition to prevent drunk driving Download PDF

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KR20220083944A
KR20220083944A KR1020200173746A KR20200173746A KR20220083944A KR 20220083944 A KR20220083944 A KR 20220083944A KR 1020200173746 A KR1020200173746 A KR 1020200173746A KR 20200173746 A KR20200173746 A KR 20200173746A KR 20220083944 A KR20220083944 A KR 20220083944A
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unit
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김준오
윤진현
이유진
조동욱
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이유진
김준오
윤진현
조동욱
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
    • B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
    • B60K28/063—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver preventing starting of vehicles
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    • B60W2040/0818—Inactivity or incapacity of driver
    • B60W2040/0836—Inactivity or incapacity of driver due to alcohol
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Abstract

본 발명은 음주운전을 방지하기 위해 시동 전 혈중알코올농도를 측정하여 기준 초과 시 시동을 제어하는 시스템과 기준 통과 후에도 핸들에 설치된 카메라를 통해 운전자의 얼굴을 지속적으로 확인하는 얼굴인식 시스템에 관한 것이다.
이를 위하여 본 발명은 차량 내 설치된 흡기 펌프를 통하여 혈중알코올농도를 측정하는 단계, 측정된 농도가 기준 초과 시 시동을 제어하는 단계, 카메라를 통해 운전자의 얼굴 영상을 저장하는 단계, 현재 운전자의 얼굴 영상과 저장된 운전자의 얼굴 영상이 같은지 확인하는 단계로 이루어진 것에 특징이 있다.The present invention relates to a system for controlling the start when the standard is exceeded by measuring the blood alcohol concentration before starting to prevent drunk driving, and to a face recognition system that continuously checks the driver's face through a camera installed on the steering wheel even after passing the standard.
To this end, the present invention includes the steps of measuring the blood alcohol concentration through an intake pump installed in the vehicle, controlling the engine start when the measured concentration exceeds the standard, storing the driver's face image through the camera, and the current driver's face image It is characterized in that it consists of a step of checking whether the stored driver's face image is the same.

Figure pat00001
Figure pat00001

Description

음주운전 방지를 위한 시동제어와 얼굴인식 시스템{The system of the starting control and face recognition to prevent drunk driving}The system of the starting control and face recognition to prevent drunk driving}

본 발명은 음주운전을 방지하기 위한 시동제어와 얼굴인식 시스템 및 방법에 관한 것으로, 더욱 상세하게는 차량에 부착된 음주측정 장치를 통해 운전자의 혈중알코올농도를 측정하여 기준 초과시 시동을 제어하고 기준을 통과한 후에도 핸들에 설치된 카메라를 통해 운전자의 얼굴을 인식하는 시스템 및 방법에 관한 것이다.The present invention relates to a starting control and face recognition system and method for preventing drunk driving, and more particularly, by measuring a driver's blood alcohol concentration through a breathalyzer attached to a vehicle to control the engine start when the standard is exceeded and meet the standard It relates to a system and method for recognizing a driver's face through a camera installed on a steering wheel even after passing.

법률에서 운전자는, 음주상태에서의 차량 운전은 금지한다고 규정하고 있으며, 이에 대한 법적 기준으로 혈중 알코올 농도에 따라 벌금 또는 징역 등의 형사적인 법적 규제와 면허 정지 또는 취소 등의 제재가 마련되어 있다.The law stipulates that drivers are prohibited from driving a vehicle while under the influence of alcohol. As a legal standard, criminal legal regulations such as fines or imprisonment, depending on blood alcohol concentration, and sanctions such as suspension or revocation of licenses are provided.

하지만 이러한 법적 제도에도 불구하고 음주운전과 이에 따른 사건, 사고는 끊이지 않고 발생하고 있다.However, despite this legal system, drunk driving and related incidents and accidents continue to occur.

일반적으로 이러한 음주운전을 방지하기 위한 시스템으로 음주측정기를 이용한 음주단속이 있고, 이를 차량과 접목시켜 음주운전을 방지하기 위한 시동제어기술이 있다. 그와 별개로 얼굴인식기능이 다양하게 사용되고 있고 이 또한 차량에 접목시켜 음주운전을 방지하기 위한 추가적인 기술로 사용될 수 있다.In general, as a system for preventing such drunk driving, there is a drink control using a breathalyzer, and there is a start control technology to prevent drunk driving by combining this with a vehicle. Apart from that, the face recognition function is being used in various ways, and it can also be used as an additional technology to prevent drunk driving by grafting it to a vehicle.

차키만 있으면 음주여부와 관계없이 누구나 운전할 수 있고, 단순히 음주측정 기술만으로는 운전하기 전에 한번만 통과하면 시동이 걸리게 되므로, 시동 이후에 음주 운전자가 탑승하여도 이를 제재하기 어려운 문제점이 있다.Anyone can drive as long as they have the car key, regardless of whether they are drinking or not, and simply passing through the breathalyzer technology just once before driving will start the engine.

[문헌1]음주운전 방지를 위한 시동제어 시스템, 공개특허 10-2019-0117305(2019,10,16)[Document 1] Start control system for preventing drunk driving, Patent Publication 10-2019-0117305 (2019,10,16) [문헌2]IＲ조명을 이용한 얼굴인식 시스템 및 방법, 등록번호 10-0983346(2010.09.14)[Document 2] Face recognition system and method using IR light, registration number 10-0983346 (2010.09.14) [문헌3]졸음운전 검출장치 및 방법, 공개번호 10-2016-0129984(2016.11.10)[Document 3] Drowsy driving detection device and method, Publication No. 10-2016-0129984 (2016.11.10)

본 발명은 차량에 설치된 흡기 펌프를 통해 운전자의 혈중알코올농도를 체크하여 기준 초과 시 시동제어 시스템을 통해 시동을 제어하게 된다. 또한 핸들에 설치되어 있는 카메라를 통해 현재 운전자가 음주측정을 통과한 운전자와 동일한지 확인한다.According to the present invention, the driver's blood alcohol concentration is checked through an intake pump installed in the vehicle, and when the standard is exceeded, the engine starts to be controlled through the start-up control system. A camera installed on the steering wheel also checks to see if the current driver is the same as the one who passed the breathalyzer test.

본 발명의 목적은 운전 전에 음주 여부를 측정하여 차량의 시동을 제어하고 카메라를 통해 현재 운전자가 음주측정을 통과한 운전자와 같은지 확인함으로써 비음주자만 운전을 가능하도록 하며 음주운전 방지를 위한 시동제어와 얼굴인식 시스템을 제공하는 것이다.An object of the present invention is to control the start of the vehicle by measuring whether alcohol is consumed before driving, and by checking whether the current driver is the same as the driver who has passed the breathalyzer through the camera, so that only non-drinkers can drive, and start control and To provide a face recognition system.

본 발명의 일 측면에 따른 음주 측정 장치는, 흡기 펌프를 장착하여 사용자의 날숨을 흡입하는 흡기부와, 흡입된 날숨을 통해 혈중알코올농도를 산출하는 센서부와, 산출된 농도가 기준치 이하인지 판단하는 판단부와, 설정치를 초과할시 시동제어 장치에 시동제어신호를 보내는 명령부를 포함한다.The breathalyzer according to an aspect of the present invention includes an intake unit for inhaling the user's exhalation by mounting an intake pump, a sensor unit for calculating the blood alcohol concentration through the inhaled exhalation, and determining whether the calculated concentration is less than or equal to a reference value and a command unit for sending a start control signal to the start control device when the set value is exceeded.

본 발명의 일 측면에 따른 시동제어 장치는, 음주 측정 장치와 영상 비교 장치로부터 시동제어 신호를 전달받는 수신부와, 수신부가 시동제어 명령을 받으면 시동을 제어하는 시동제어부를 포함한다.Startup control device according to an aspect of the present invention, and a receiver that receives a start control signal from the breathalyzer and image comparison device, and a start control unit for controlling the start when the receiver receives a start control command.

본 발명의 일 측면에 따른 영상 수집 장치는, 운전자의 얼굴을 촬영하는 카메라와, 촬영한 운전자의 얼굴 영상을 수집하는 수집부와, 영상 비교 장치와 통신하는 통신부를 포함한다.An image collecting apparatus according to an aspect of the present invention includes a camera for capturing a driver's face, a collecting unit for collecting a photographed face image of the driver, and a communication unit for communicating with the image comparison device.

상기 영상 수집 장치는 핸들의 회전각을 감지하는 센서부와, 센서부를 통해 회전각이 감지되었을 시 운전자의 얼굴 영상을 다시 촬영하라는 신호를 보내는 전달부를 포함할 수 있다.The image collection device may include a sensor unit for detecting the rotation angle of the steering wheel, and a transmission unit for sending a signal to re-capture the driver's face image when the rotation angle is detected through the sensor unit.

본 발명의 일 측면에 따른 영상 비교 장치는, 영상 수집 장치를 통해 획득한 얼굴 영상을 저장하는 저장부, 저장된 얼굴 영상과 현재 수집된 얼굴 영상이 같은지 판단하는 판단부와, 판단부에서 저장된 얼굴 영상과 수집된 얼굴 영상이 다르다고 판단될 시 시동제어 장치에 시동제어 신호를 보내는 송신부를 포함한다.An image comparison apparatus according to an aspect of the present invention includes a storage unit for storing a face image obtained through an image collecting device, a determination unit determining whether the stored face image and a currently collected face image are the same, and the face image stored in the determination unit and a transmitter that sends a start control signal to the start control device when it is determined that the collected face image is different from the face image.

상기 저장부에 저장된 얼굴 영상과 현재 수집된 얼굴 영상이 같을 시 영상 비교를 반복하는 것이 바람직하다.When the face image stored in the storage unit and the currently collected face image are the same, it is preferable to repeat the image comparison.

본 발명의 또 다른 측면에 따른 운전자 얼굴 비교 방법은, 적어도 하나의 카메라로 촬영한 운전자의 얼굴 영상에 기반하여 운전자 얼굴을 비교하는 방법에 있어서, 자동차 핸들에 장착되어 시동 걸리기 전 운전자를 촬영하는 단계. 얼굴인식기술을 이용하여 상기 카메라에서 얼굴 영상을 출력하여 저장하는 단계, 시동 걸린 후 운전자를 촬영하는 단계, 저장된 얼굴 영상과 시동 걸린 후 운전자의 얼굴 영상을 비교하는 단계를 포함한다.A method for comparing a driver's face according to another aspect of the present invention comprises the steps of: mounted on a steering wheel of a car and photographing the driver before starting the engine; . It includes the steps of outputting and storing a face image from the camera using face recognition technology, photographing the driver after starting the engine, and comparing the stored face image with the driver's face image after starting the engine.

상기 운전자 얼굴 비교 방법은 자동차 핸들의 회전각을 감지하여 운전자의 얼굴 영상을 다시 촬영하는 단계를 포함할 수 있다.The method for comparing the driver's face may include re-capturing the driver's face image by detecting a rotation angle of a steering wheel.

본 발명은 자동차에 설치되어 있는 음주 측정 장치를 통해 혈중알코올농도를 측정하여 차량 시동을 제어하고, 핸들 부분에 장착되어 있는 카메라와 영상 비교 장치를 통해서 운전 도중에 운전자를 바꾸는 일명 ”운전자 바꿔 치기”를 예방할 수 있게 됨으로써 음주운전을 방지할 수 있다.The present invention controls vehicle start by measuring blood alcohol concentration through a breathalyzer installed in a vehicle, and changes the driver while driving through a camera and image comparison device mounted on the steering wheel, so-called “driver change”. Prevention can help prevent drunk driving.

도 1는 본 발명에 따른 시동제어와 얼굴 인식 시스템을 나타내는 단면도이다.
도 2는 본 발명에 따른 음주 측정 장치와 시동제어 장치의 구성도이다.
도 3는 본 발명에 따른 시동제어 과정을 나타내는 흐름도이다.
도 4는 본 발명에 따른 영상 수집 장치 구성도이다.
도 5는 본 발명에 따른 영상 비교 장치 구성도이다.
도 6은 본 발명에 따른 카메라가 장착된 핸들을 나타내는 도면이다.
도 7은 본 발명에 따른 운전자 얼굴 비교 과정을 나타내는 흐름도이다.1 is a cross-sectional view showing a startup control and face recognition system according to the present invention.
Figure 2 is a configuration diagram of the breathalyzer and start control device according to the present invention.
3 is a flowchart illustrating a starting control process according to the present invention.
4 is a block diagram of an image collecting apparatus according to the present invention.
5 is a block diagram of an image comparison apparatus according to the present invention.
6 is a view showing a handle on which the camera according to the present invention is mounted.
7 is a flowchart illustrating a driver face comparison process according to the present invention.

본 발명이 구현되는 양상을 이하의 바람직한 각 실시예를 들어 설명한다. 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 본 발명의 기술적 사상의 범주 내에서 그 외의 다른 형태로 구현될 수 있음은 자명하다. 본 명세서에서 사용된 용어 역시 실시예들을 설명하기 위한 것이며 본 발명을 제한하고자 하는 것은 아니다. 본 명세서에서, 단수형은 문구에서 특별히 언급하지 않는 한 복수형도 포함한다. 명세서에서 사용되는 “포함한다(comprise)” 및/또는 “포함하는(comprising)”은 언급된 구성요소, 단계, 동작 및/또는 요소가 하나 이상의 다른 구성요소, 단계, 동작 및/또는 요소의 존재 또는 추가됨을 배제하지 않는다.The aspect in which the present invention is implemented will be described with reference to each preferred embodiment below. It is apparent that the present invention is not limited to the embodiments disclosed below, but may be implemented in other forms within the scope of the technical spirit of the present invention. The terminology used herein is also intended to describe the embodiments and is not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprise” and/or “comprising” means that the referenced component, step, action and/or element is the presence of one or more other components, steps, actions and/or elements. or added.

도 1은 운전자의 음주 운전을 방지하는 시동제어와 얼굴 인식 시스템을 나타내는 단면도이다. 운전자의 날숨과 잘 접촉할 수 있도록 운전자의 안면부와 가깝게 흡기 펌프(111)를 설치한다. 또한, 차량 핸들(610)에 운전자의 얼굴 영상을 수집하기 위한 카메라(410)를 설치한다.1 is a cross-sectional view illustrating a starting control system and a face recognition system for preventing a driver from driving under the influence of alcohol. The intake pump 111 is installed close to the driver's face so as to be in good contact with the driver's exhalation. In addition, a camera 410 for collecting the driver's face image is installed on the vehicle handle 610 .

도 2는 음주 측정 장치(100)와 시동 제어 장치(200)의 구성을 나타내는 블록도이다.Figure 2 is a block diagram showing the configuration of the breathalyzer 100 and the start-up control device (200).

도 2를 참조하면 음주 측정 장치(100)는 흡기부(110), 센서부(120), 판단부(130), 명령부(140)를 포함하고, 시동 제어 장치(200)는 수신부(210), 시동 제어부(220)를 포함한다.Referring to FIG. 2 , the breathalyzer 100 includes an intake unit 110 , a sensor unit 120 , a determination unit 130 , and a command unit 140 , and the starting control device 200 is a receiving unit 210 . , including a starting control unit 220 .

흡기부(110)는 운전자의 날숨을 흡입하기 위한 구성으로서, 운전자 좌석에 설치한 흡기 펌프(111)를 포함한다. 운전자의 머리 또는 좌석 상부나 유리 끝의 모서리부에 설치할 수 있는데, 이의 장착 위치에 한정되지 않는다.The intake unit 110 is configured to suck the driver's exhalation, and includes an intake pump 111 installed in the driver's seat. It may be installed on the driver's head or on the top of the seat or on the edge of the glass, but is not limited to the mounting position thereof.

센서부(120)는 흡기 펌프(111)를 통해 흡입된 날숨을 이용하여 운전자의 혈중알코올농도를 산출한다.The sensor unit 120 calculates the driver's blood alcohol concentration by using the exhalation breathed through the intake pump 111 .

판단부(130)는 산출된 혈중알코올농도가 음주 기준치 이하인지 판단하기 위한 구성이다.The determination unit 130 is configured to determine whether the calculated blood alcohol concentration is less than or equal to the drinking standard.

산출된 혈중알코올농도가 음주 기준치 초과로 판단되면 명령부(140)는 시동제어 장치(200)를 구성하는 수신부(210)로 시동제어 신호를 보내고 기준치 이하라면 시동제어 신호를 보내지 않으므로 차량 시동이 걸린다.When it is determined that the calculated blood alcohol concentration exceeds the drinking threshold, the command unit 140 sends a start control signal to the receiver 210 constituting the start control device 200, and if it is below the reference value, the vehicle starts because it does not send a start control signal. .

수신부(210)는 음주 측정 장치(100)를 구성하는 명령부(140)로부터 시동제어 신호를 전달받는다. 또한, 영상 비교 장치(500)를 구성하는 송신부(540)로부터 시동제어 신호를 전달받는 기능을 포함할 수 있다. 이는 뒷부분에서 구체적으로 설명한다.The receiver 210 receives the start control signal from the command unit 140 constituting the breathalyzer 100. In addition, it may include a function of receiving the start control signal from the transmitter 540 constituting the image comparison device (500). This will be described in detail later.

시동 제어부(220)는 수신부(210)로부터 명령을 받아 차량 시동을 제어한다.The start control unit 220 receives a command from the receiver 210 to control vehicle start.

도 3은 운전자의 음주 운전을 방지하는 시동제어와 얼굴 인식 시스템의 흐름도로서, 음주 측정 장치(100)와 시동 제어 장치(200)를 중심으로 시스템이 적용되는 과정을 나타낸다.3 is a flowchart of a start control and face recognition system for preventing a driver's drunk driving, and shows a process in which the system is applied centering on the breathalyzer 100 and the starter control device 200 .

운전자가 차량에 탑승한 후(S301) 운전자 좌석에 설치된 흡기 펌프(111)에 날숨을 불어 넣으면(S302), 흡기부(110)에 날숨이 흡입된다.After the driver boards the vehicle (S301), when the exhaled breath is blown into the intake pump 111 installed in the driver's seat (S302), the exhalation is sucked into the intake unit 110 .

흡입된 날숨은 센서부(120)로 이동하여 운전자의 혈중알코올농도를 산출하는 데에 이용하고(S303), 산출된 데이터는 판단부(130)에 전달된다.The inhaled exhalation moves to the sensor unit 120 and is used to calculate the driver's blood alcohol concentration ( S303 ), and the calculated data is transmitted to the determination unit 130 .

판단부(130)는 전달받은 농도 데이터가 음주 기준치 이하인지 판단하여(S304), 만약 기준치를 초과할 경우 명령부(140)를 통해 시동제어 신호를 전달하여 차량의 시동을 제어한다(S305). 기준치 이하라면 시동제어 신호를 전달하지 않아 차량의 시동이 걸린다(S306).The determination unit 130 determines whether the received concentration data is below the drinking reference value (S304), and if it exceeds the reference value, transmits a start control signal through the command unit 140 to control the starting of the vehicle (S305). If it is less than the reference value, the vehicle is started because the start control signal is not transmitted (S306).

이후 후술할 영상 비교 장치(500)를 통해 판단부(530)에서 저장된 얼굴과 촬영한 얼굴이 같은지 판단한다(S307). 만약 얼굴이 다르다면 송신부(540)를 통해 시동제어 신호를 전달하여 차량의 시동을 제어한다(S305).Thereafter, the determination unit 530 determines whether the stored face and the photographed face are the same through the image comparison apparatus 500 to be described later (S307). If the face is different, the starting control signal is transmitted through the transmitter 540 to control the vehicle's starting (S305).

도 4는 본 발명의 실시예에 따른 영상 수집 장치 구성도이다4 is a block diagram of an image collecting apparatus according to an embodiment of the present invention;

도 4를 참조하면 영상 수집 장치(400)는 카메라(410), 센서부(420), 전달부(430), 수집부(440) 및 통신부(450)를 포함한다.Referring to FIG. 4 , the image collection apparatus 400 includes a camera 410 , a sensor unit 420 , a transmission unit 430 , a collection unit 440 , and a communication unit 450 .

카메라(410)는 자동차 핸들(610)에 장착되어 운전자를 촬영한다. 카메라(101)는 자동차 핸들(610)의 크락션 상단에 장착될 수 있는데, 이의 장착 위치에 한정되지 않는다.The camera 410 is mounted on the steering wheel 610 of the car to photograph the driver. The camera 101 may be mounted on the top of the cradle of the vehicle handle 610, but is not limited to a mounting position thereof.

수집부(440)는 얼굴인식 기술을 이용하여 상기 카메라에서 출력되는 운전자의 얼굴 영상을 인식하여 수집한다. 상기 얼굴 영상은 통신부(450)를 통해 영상 비교 장치(500)에게 전달한다.The collecting unit 440 recognizes and collects the driver's face image output from the camera using face recognition technology. The face image is transmitted to the image comparison apparatus 500 through the communication unit 450 .

운전자 얼굴 영상을 촬영할 때 센서부(420)를 통해 자동차 핸들의 회전각을 감지할 수 있다. 회전각이 감지될 시 전달부(430)는 운전자의 얼굴 영상을 다시 촬영하라는 신호를 보낸다. 핸들이 회전될 시 얼굴 영상을 제대로 얻지 못하게 되므로 판단 가능한 얼굴 영상을 얻기 위해서 이를 수행한다.When capturing the driver's face image, the rotation angle of the steering wheel of the vehicle may be detected through the sensor unit 420 . When the rotation angle is detected, the transmission unit 430 sends a signal to re-capture the driver's face image. When the handle is rotated, it is impossible to obtain a face image properly, so this is done to obtain a judgable face image.

영상 수집 장치(400)와 영상 비교 장치(500)는 일체형으로 구현될 수 있다. 예를 들어, 영상 수집 장치(400)는 도 5를 참조하여 후술할 영상 비교 장치(500)를 구현한 하드웨어 모듈을 내장형으로 탑재할 수 있다.The image collection apparatus 400 and the image comparison apparatus 500 may be implemented as an integrated body. For example, the image collection apparatus 400 may be equipped with a built-in hardware module implementing an image comparison apparatus 500 to be described later with reference to FIG. 5 .

도 5는 본 발명의 실시예에 따른 영상 비교 장치 구성도이다.5 is a block diagram of an image comparison apparatus according to an embodiment of the present invention.

영상 비교 장치(500)는 영상 수집 장치(400)로부터 획득한 얼굴 영상을 분석하여 저장된 얼굴 영상과 비교한다.The image comparison apparatus 500 analyzes the face image obtained from the image collection apparatus 400 and compares it with the stored face image.

도 5를 참조하면 영상 비교 장치(500)는 저장부(510), 판단부(520) 및 송신부(530)를 포함한다.Referring to FIG. 5 , the image comparison apparatus 500 includes a storage unit 510 , a determination unit 520 , and a transmission unit 530 .

영상 수집 장치(400)를 통해 전달받은 얼굴 영상을 저장부(510)에 저장한다. 저장부(510)에는 운전자가 탑승하고 처음 촬영된 얼굴 영상이 저장되며 상기 얼굴 영상은 시동이 걸린 후 획득한 얼굴 영상들과 비교하는 데이터베이스이다. 차량 주인은 상기 데이터베이스를 계속 사용할 수 있고 차량 주인이 아닌 다른 사람이 운전할 경우에도 운전자의 얼굴 영상을 새로운 데이터베이스로 저장하여 사용할 수 있다. 얼굴인식 시스템은 차량 주인에 한정되지 않는다.The face image received through the image collection device 400 is stored in the storage unit 510 . The storage unit 510 stores a face image first taken after the driver gets on board, and the face image is a database for comparing the face image with face images acquired after the engine is started. The vehicle owner may continue to use the database, and even if a person other than the vehicle owner drives the vehicle, the driver's face image may be stored and used as a new database. Facial recognition systems are not limited to vehicle owners.

차량 시동이 걸린 후, 시동이 꺼지기 전까지 상기 운전자의 얼굴 영상을 연속적으로 촬영한다. 촬영 주기는 주어진 설정 범위 안에서 사용자가 선택할 수 있다. 촬영된 얼굴 영상을 수집부(420)가 획득하여 통신부(450)를 통해 영상 비교 장치(500)로 보낸다.After the vehicle is started, images of the driver's face are continuously taken until the engine is turned off. The shooting cycle can be selected by the user within a given setting range. The collection unit 420 acquires the photographed face image and sends it to the image comparison device 500 through the communication unit 450 .

판단부(520)는 저장부(510)에 저장되어 있는 얼굴 영상 데이터베이스와 전달받은 얼굴 영상을 비교하여 같은지 판단한다. 같다고 판단될 시 다시 얼굴 수집 장치(400)를 통해 얼굴 영상을 촬영하고 전달받는 과정을 반복한다. 같지 않다고 판단될 시 송신부(540)를 통해 시동 제어 장치(200)에 시동 제어 신호를 보낸다.The determination unit 520 compares the face image database stored in the storage unit 510 with the received face image and determines whether they are the same. When it is determined that they are the same, the process of photographing and receiving a face image through the face collecting device 400 is repeated again. When it is determined that they are not the same, a start control signal is transmitted to the start control device 200 through the transmitter 540 .

도 6은 본 발명의 실시예로 자동차 핸들(610)에 카메라(410)를 장착한 모습이다. 카메라(410)는 LED를 포함하고 있으므로 LED를 가동하면 어두운 곳에서도 카메라(410)로 촬영이 가능하다.6 is a view illustrating a camera 410 mounted on a steering wheel 610 of a vehicle according to an embodiment of the present invention. Since the camera 410 includes an LED, it is possible to shoot with the camera 410 even in a dark place by operating the LED.

도 7은 본 발명의 실시예에 따른 운전자 얼굴 비교 과정을 나타내는 흐름도이다.7 is a flowchart illustrating a driver face comparison process according to an embodiment of the present invention.

도 7에 도시된 운전자 얼굴 비교 과정은 도 4에 도시된 얼굴 수집 장치(400)와 도 5에 도시된 얼굴 비교 장치(500)를 통해 수행될 수 있다.The driver's face comparison process illustrated in FIG. 7 may be performed through the face collecting apparatus 400 illustrated in FIG. 4 and the face comparison apparatus 500 illustrated in FIG. 5 .

전술한대로, 운전자 얼굴 비교 방법은 영상 수집 장치(400)에 포함된 적어도 하나의 카메라로 촬영한 운전자의 얼굴 영상에 기반하여 운전자의 얼굴을 비교한다. 카메라(410)는 자동차 핸들(610)에 장착되어 운전자를 촬영한다(S701). 이때, 카메라(410)는 핸들에 장착되어 일정 회전각만큼 기울어진 경우 다시 촬영하라는 신호를 보내 판단 가능한 얼굴 영상을 획득할 수 있다.As described above, the driver's face comparison method compares the driver's face based on the driver's face image captured by at least one camera included in the image collecting apparatus 400 . The camera 410 is mounted on the car handle 610 to photograph the driver (S701). In this case, when the camera 410 is mounted on the handle and tilted by a predetermined rotation angle, it may transmit a signal to re-capture to acquire a identifiable face image.

획득한 얼굴 영상을 통신부(450)를 통해 얼굴 비교 장치(500)로 보내고 저장부(510)에 저장한다(S702). 이때, 저장부(510)에 저장된 얼굴 영상은 이후에 전달받을 얼굴 영상과 비교할 데이터베이스이다.The acquired face image is sent to the face comparison device 500 through the communication unit 450 and stored in the storage unit 510 (S702). In this case, the face image stored in the storage 510 is a database to be compared with the face image to be transmitted later.

차량 시동이 걸린 후 카메라(410)를 통해 운전자의 얼굴을 연속적으로 촬영한다(S703). 촬영 주기는 주어진 설정 범위 안에서 사용자가 선택할 수 있다. 획득한 얼굴 영상은 영상 비교 장치(500)로 보낸다.After the vehicle is started, the driver's face is continuously photographed through the camera 410 (S703). The shooting cycle can be selected by the user within a given setting range. The acquired face image is sent to the image comparison device 500 .

저장부(510)에 저장된 데이터베이스와 영상 수집 장치(400)로부터 전달받은 얼굴 영상을 비교한다(S704). 얼굴 영상이 데이터베이스와 같다고 판단될 시 다시 얼굴 수집 장치(400)를 통해 얼굴 영상을 전달받는 과정을 반복하고 같지 않다고 판단될 시 시동 제어 장치(200)로 시동 제어 신호를 보낸다.The database stored in the storage unit 510 is compared with the face image received from the image collection device 400 (S704). When it is determined that the face image is the same as the database, the process of receiving the face image through the face collecting device 400 is repeated again, and when it is determined that the face image is not the same, a start-up control signal is transmitted to the start-up control device 200 .

이제까지 본 발명을 실시예들을 중심으로 살펴보았다. 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자는 본 발명이 본 발명의 본질적인 특성에서 벗어나지 않는 범위에서 다양하게 변경 또는 변형된 형태로 구현될 수 있음을 이해할 수 있을 것이다. 그러므로 개시된 실시예들은 한정적인 관점이 아니라 설명을 위한 예시적인 관점에서 고려되어야 한다. 본 발명의 범위는 전술한 설명이 아니라 청구범위에 나타나 있으며, 그와 동등한 범위 내에 있는 모든 차이점을 본 발명에 포함된 것으로 해석되어야 할 것이다.So far, the present invention has been looked at focusing on examples. Those of ordinary skill in the art to which the present invention pertains will understand that the present invention can be implemented in variously changed or modified forms without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments are to be considered in terms of illustrative rather than restrictive views. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

100: 음주 측정 장치 110: 흡기부
111: 흡기 펌프 120: 센서부
130: 판단부 140: 명령부
200: 시동제어 장치
210: 수신부 220: 시동제어부
400: 영상 수집 장치
410: 카메라 420: 센서부100: breathalyzer 110: intake
111: intake pump 120: sensor unit
130: judgment unit 140: command unit
200: start control device
210: receiver 220: start control unit
400: image acquisition device
410: camera 420: sensor unit

Claims (8)

흡기 펌프를 장착하여 사용자의 날숨을 흡입하는 흡기부;
흡입된 날숨을 통해 혈중알코올농도를 산출하는 센서부;
상기 센서부에 의해 산출된 농도가 설정치 이하인지 판단하는 판단부; 및
설정치를 초과할시 시동제어 장치에 시동제어신호를 보내는 명령부;를 포함하는 것을 특징으로 하는 음주 측정 장치.an intake unit for inhaling the user's exhalation by mounting an intake pump;
a sensor unit that calculates blood alcohol concentration through inhaled exhalation;
a determination unit for determining whether the concentration calculated by the sensor unit is equal to or less than a set value; and
Breathalyzer comprising a; command unit that sends a start control signal to the start control device when exceeding the set value. 음주 측정 장치와 영상 비교 장치로부터 시동제어 신호를 전달받는 수신부; 및
상기 수신부가 시동제어 명령을 전달받으면 시동을 제어하는 시동제어부;를 포함하는 것을 특징으로 하는 시동제어 장치.Receiver receiving the start control signal from the breathalyzer and image comparison device; and
and a start control unit for controlling the start when the receiver receives the start control command. 자동차 핸들에 장착되어 운전자를 촬영하는 카메라;
상기 카메라에서 촬영한 운전자의 얼굴 영상을 수집하는 수집부; 및
영상 비교 장치와 통신하는 통신부;를 포함하는 것을 특징으로 하는 영상 수집 장치.a camera mounted on the steering wheel of a car to photograph the driver;
a collecting unit for collecting the driver's face image captured by the camera; and
An image collecting device comprising a; a communication unit communicating with the image comparison device. 제 3항에 있어서,
회전각을 감지하는 센서부; 및
상기 센서부를 통해 회전각이 감지되었을 시 운전자의 얼굴 영상을 다시 촬영하라는 신호를 보내는 전달부;를 더 포함하는 영상 수집 장치.4. The method of claim 3,
a sensor unit for detecting a rotation angle; and
The image collecting device further comprising a; when the rotation angle is sensed through the sensor unit, a transmission unit that sends a signal to re-capture the driver's face image. 영상 수집 장치와 통신하는 통신부;
상기 통신부를 통해 획득한 얼굴 영상을 저장하는 저장부;
저장된 얼굴 영상과 현재 수집된 얼굴 영상이 같은지 판단하는 판단부; 및
상기 판단부에서 저장된 얼굴 영상과 현재 수집된 얼굴 영상이 다르다고 판단될 시 시동제어 장치에 시동제어 신호를 보내는 송신부;를 포함하는 것을 특징으로 하는 영상 비교 장치.a communication unit communicating with the image collecting device;
a storage unit for storing the face image obtained through the communication unit;
a determination unit that determines whether the stored face image and the currently collected face image are the same; and
and a transmission unit for sending a start control signal to the start control device when the determination unit determines that the stored face image and the currently collected face image are different. 제 5항에 있어서,
저장부에 저장된 얼굴 영상과 현재 수집된 얼굴 영상이 같을 시 영상 비교를 반복하는 것을 포함하는 영상 비교 장치.6. The method of claim 5,
An image comparison apparatus comprising repeating image comparison when the face image stored in the storage and the currently collected face image are the same. 적어도 하나의 카메라로 촬영한 운전자의 얼굴 영상에 기반하여 운전자 얼굴을 비교하는 방법에 있어서,
자동차 핸들에 장착되어 시동 걸리기 전 운전자를 촬영하는 단계;
얼굴인식기술을 이용하여 상기 카메라에서 얼굴 영상을 출력하여 저장하는 단계;
시동 걸린 후 운전자를 촬영하는 단계; 및
저장된 얼굴 영상과 시동 걸린 후 운전자의 얼굴 영상을 비교하는 단계;
를 포함하는 운전자 얼굴 비교 방법.In the method of comparing the driver's face based on the driver's face image taken with at least one camera,
It is mounted on the steering wheel of the car to photograph the driver before starting the engine;
outputting and storing a face image from the camera using face recognition technology;
photographing the driver after starting the engine; and
comparing the stored face image with the driver's face image after the engine is started;
A method for comparing driver faces, including 제 7항에 있어서,
상기 자동차 핸들의 회전각을 감지하여 운전자의 얼굴 영상을 다시 촬영하는 단계;를 더 포함하는 운전자 얼굴 비교 방법.
8. The method of claim 7,
The method of comparing a driver's face further comprising the step of re-capturing a face image of the driver by sensing the rotation angle of the vehicle steering wheel.
KR1020200173746A 2020-12-11 2020-12-11 The system of the starting control and face recognition to prevent drunk driving Pending KR20220083944A (en)

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