KR101298197B1 - Vsdt rearview mirror for sleepiness prevention - Google Patents

Abstract

PURPOSE: A vehicle using speed data transmission (VSDT) room mirror having a function to prevent sleepiness is provided to arouse a driver's caution by judge a drive while drowsy and to efficiently prevent dangers of the drive while drowsy. CONSTITUTION: A VSDT room mirror having a function to prevent sleepiness comprises a VSDT control unit (100), an imaging unit (200), a sound output unit (300), a data storing unit (400), a sensor module (500), and a wireless communication unit (600). The VSDT control unit includes a sleepiness warning unit, a pattern comparing unit, a sleepiness detection unit, and an accident judging module. The imaging unit includes a camera (210), an optical sensor (220), an ultrasonic sensor (230), and an infrared sensor (240). The sound output unit delivers the sound to a driver by outputting the sound when the VSDT control unit outputs a warning signal for a drive while drowsy to the driver. The data storing unit determines images filmed by the imaging unit to a result value converted to the image data of the driver through the VSDT control unit. The sensor module includes a speed sensor, an acceleration sensor, an inclination sensor, and an oxygen detecting sensor. The wireless communication unit notifies to a server of related organization or insurance company if the vehicle is speeding or is in an accident. [Reference numerals] (100) VSDT control unit; (200) Imaging unit; (210) Camera; (220) Optical sensor; (230) Ultrasonic sensor; (240) Infrared sensor; (300) Sound output unit; (301) Sound output device; (400) Data storing unit; (500) Sensor module; (600) Wireless communication unit; (AA) Sleepiness warning unit; (BB) Pattern comparing unit; (CC) Sleepiness detecting unit; (DD) Accident determination module

Description

VSDT rearview mirror for sleepiness prevention

The present invention relates to a VSDT room mirror having a drowsiness prevention function, and more particularly, when the driver's drowsiness is confirmed through an imaging unit built in the room mirror provided in the vehicle, a warning is generated to the driver, It relates to a VSDT room mirror having a drowsiness prevention function to induce a driver's response to.

Automobiles have evolved with two goals: reducing human travel time and improving distance. The improvement of mobility brought by the development of automobiles has resulted in the development of human beings and the expansion of living rights as well as the standard of living.As the automobile is recognized as an extension of property and living space, the role of automobiles is further increased. I wanted to be comfortable and safe.

Recently, the development of automobiles has been developed to be connected with the IT industry to protect human-centered technological development and accident risk. For example, the driver's driving habits are memorized, and the engine rpm adjustment and brake timing for the accelerator's response are stored as data, and the data values suitable for the driver are output to adjust the characteristics of the vehicle to the driver's driving tendency. A method of detecting a lane according to the driving direction of the vehicle and generating a warning sound such as a sound when a departure of the progress lane is carried out has been proposed.

However, devices to ensure the driver's safety and comfort can draw attention to the driver, reduce the driver's concentration, and cause the driver to cause an accident. Accidents caused by drowsy driving during these accidents often lead to large-scale accidents because drivers do not cope with accidents.

In this regard, Korean Patent Laid-Open Publication No. 2011-0059019 includes a camera for observing a driver's condition and a camera unit for detecting departure of a driving lane as a method of determining a case where a driver is drowsy driving, and the driver through the camera. According to the step of determining the drowsiness of step by step, or when the departure of the lane is detected, the method of distinguishing the stage of the drowsiness by calculating the distance with the front car according to the step of determining the drowsiness.

Korean Laid-Open Patent Publication No. 2011-0059019 can prevent an accident due to drowsy driving by determining a drowsy state of a driver and warning the driver. However, if the driver's condition is judged only by the condition without the driver's condition and the driver's feedback, there is a case where the driver's condition falls into the normal range and the driver's drowsy driving state is wrong. It is difficult to determine whether drowsy driving is the cause of an accident.

An object of the present invention is to determine the case where the driver has a drowsy driving, not only to draw attention to the driver, but also to receive a response corresponding to a warning generated in a room mirror having a drowsiness prevention function, and to receive a response reference value according to the driver. By calculating, storing, and comparing, the present invention provides a method that enables the driver to effectively overcome the risk of drowsy driving.

According to an aspect of the present invention, an object is accommodated in a case including an audio output device and a half mirror, and an imaging unit for acquiring a driver image through an imaging device in which an imaging direction is set in the half mirror direction in the case; A warning voice output unit configured to output a warning voice to prevent a drowsy driving state and escape from a drowsy driving state to a driver; A sensor module for detecting at least one of a speed, an acceleration, an inclination value, and an indoor oxygen amount of the vehicle; When the face image is detected from the driver image, the face image of the face is extracted, and when at least one of the head movement, the driver body movement, and the number of eye blinks of the driver deviates from a preset reference range, the driver is in a drowsy driving state. Generate a drowsy driving signal and transmit the drowsy driving signal to the voice output unit to output a warning voice, and determine at least one of the vehicle's speeding, collision, and indoor oxygen amount based on the detection value of the sensor module. VSDT control unit, characterized in that; A wireless communication unit for notifying any one of an insurance company server and a related agency server in charge of a vehicle accident when the vehicle speeds or crashes as a result of the determination of the VSDT controller; And a data storage unit for storing at least one of information about a speed of the vehicle, whether there is a collision, and information about a face image captured by the imaging unit, wherein the VSDT control unit includes a response voice by the driver. When not corresponding to the warning sound output from the generation of the drowsy driving signal, the sensor module, at least one of the ultrasonic sensor, infrared sensor, Multi-Tech sensor, oxygen amount detection sensor, the imaging unit, At least one of the ultrasonic sensor, the infrared sensor, and the multi-tech sensor along the negative outer circumference is achieved by a VSDT room mirror having a drowsiness detection function in which 1-20 are arranged.

According to the present invention, when the driver makes a drowsy driving, the driver's attention can be aroused by requesting feedback from the driver, and a large accident caused by the drowsy driving can be prevented.

1 is a conceptual diagram illustrating a VSDT room mirror having a drowsiness preventing function according to an embodiment of the present invention.
2 illustrates a VSDT room mirror having a sleepiness prevention function according to an embodiment of the present invention.
3 is a schematic conceptual diagram of a connection relationship between a VSDT room mirror having a drowsiness prevention function, an insurance company server, and a related agency server according to an embodiment of the present invention.
4 is an exemplary driver response diagram of a VSDT room mirror having a drowsiness preventing function according to an embodiment of the present invention.
5 is a block diagram of a VSDT room mirror having a sleepiness prevention function according to an embodiment of the present invention.
6 shows a flowchart of a VSDT room mirror having a drowsiness prevention function according to an embodiment of the present invention.
7 illustrates a perspective view of a VSDT room mirror having a drowsiness preventing function according to an embodiment of the present invention.
8 illustrates an example of air circulation according to an oxygen detection amount for a VSDT room mirror having a drowsiness prevention function according to an embodiment of the present invention.

VSDT, referred to herein, stands for Vehicle using Speed Data Transmission, and may refer to a transmission device that transmits vehicle speed information to a related agency server or an insurance company server. However, this has been described in terms of contributing to the reduction of vehicle accidents by preventing the driver's drowsy driving, and in addition to this, the VSDT device may have a function of providing a vehicle crash accident and a vehicle rollover accident to an insurance company server or a related agency server.

Here, the related agency server may mean a server of a police agency server and a traffic accident reception processing institution such as 112 or 119, and in addition, it may mean a server of an agency that receives and handles traffic accidents for each country. However, it is not limited.

The sensor network referred to herein may refer to a wireless network where a sensor is configured to wirelessly transmit sensor values. Sensors (eg, speed sensors, shock sensors, and tilt sensors) mounted to a vehicle by the sensor network may wirelessly transmit sensor values to the outside.

The vehicle referred to herein may refer to any one of a bus, a truck, a van and a passenger car.

When the sound wave referred to in the present specification is given to a sound waveform, it means a sound waveform having a length of about 0.02 seconds to 0.2 seconds at that point in time every designated time (1/100 second to 1/10 second in the present specification). can do.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a conceptual diagram illustrating a VSDT room mirror having a drowsiness preventing function according to an embodiment of the present invention.

Referring to FIG. 1, when the vehicle is powered for driving of the vehicle, the VSDT room mirror 50 having a sleepiness prevention function may perform an operation. The controller 100 receives an image captured by the imaging unit 200 embedded in the VSDT room mirror 50 having a drowsiness prevention function, and checks the driver's boarding (whether the driver is present) or the head of the driver in the captured image. Generates image data to determine the position, eyelid position, driver body position, and the like. Herein, the control unit 100 receives a signal indicating a departure from an automobile control unit such as an ECU of a vehicle as a reference for determining that the driver has started driving, or the driver has switched the power of the vehicle to the ON state to drive the vehicle. Occation. When power is applied to the power supply unit of the VSDT room mirror 50 having the drowsiness prevention function connected to the vehicle power supply unit, the GPS built into the VSDT room mirror 50 having the drowsiness prevention function detects the movement and the movement of the vehicle is prevented. In any case, the driver may determine that the driver has started driving.

When the movement of the vehicle is confirmed, the imaging unit 200 may detect any one of flickering of the driver's eyelid, facial movement, and body movement, and transmit the captured image to the controller 100. Here, the imaging unit 200 is a method for capturing a movement corresponding to any one of the movement of the eyelid, the movement of the head of the driver, and the movement of the driver's body, so that the focus of the camera corresponds to any one of a short focal lens and a multifocal lens. A lens can be provided and the driver's face, body and eyelids can be focused according to the driver's sitting height.

The controller 100 may convert the movement of the eyelid, the movement of the head, and the image data captured by the imaging unit 200 to coordinate values, and may transmit the converted value to the data storage unit 400. The data stored in the data storage unit 400 may correspond to any one of a driver eyelid movement value, a head movement coordinate value, a driver body movement coordinate value per unit time, and the driver data stored in the data storage unit 400. The controller 100 may calculate the average value of the driver's eyelid movement period value, the head movement coordinate value plane, and the body movement coordinate value. The calculated period value of the eyelid movement, the average value of the head movement, the average value of the body movement can be stored in the data storage unit 400 as separate data for each driver, and based on the stored data and the blinking cycle of the actual driver's eyelid The driver's drowsy driving state by comparing the periodic value of the stored eyelid movement or by comparing the coordinate of the actual driver's head movement with the average of the stored head movement, the coordinate of the actual driver's body movement and the average of the stored body movement. Can be used as a criterion for determining

Here, the cycle value of the driver's eyelid blinking may be the number of blinks per 1 second to 180 seconds, and the average value of the head movement and the body movement may be stored as the average value of the X axis and the average value of the Y axis, respectively.

When it is determined that the driver is a drowsy driving state according to the determination of the controller 100, the controller 110 may transmit a voice warning sound to the driver. Here, the voice warning sound belongs to the driver's audible frequency range, and the driver's own voice may correspond to any one of the recorded warning message, the pre-recorded voice warning message, the electronic warning sound, the emergency warning sound, and the car horn. When the driver's response corresponding to the warning sound is transmitted to the driver through the microphone 130, the controller 400 may determine that the driver is not a drowsy driving state. Here, the driver's voice signal may refer to a case in which the driver's voice is raised, and the determination of the driver's response corresponding to the voice warning sound may be performed by the control unit. By comparing the sound sound corresponding to the driver's response with the sound corresponding to the time of 1/10 seconds to 1/100 seconds, it can be determined as the normal state when the accuracy is 50% to 100%.

When the driver does not receive a voice signal through the microphone 130 in response to the voice warning sound, the controller 100 determines that the driver is drowsy driving state and transmits a warning signal through the voice output unit 300. .

Here, the driver warning voice through the voice output unit 300 may correspond to any one of a voice signal, an electronic signal, and a mechanical signal according to the driver's selection. Here, the transmission of the warning voice may correspond to any one of a user voice warning signal containing a driver's voice, a preset voice warning signal, and a crash warning signal in which the vehicle's crash occurs, and the transmission of the electronic signal is a warning image through the head-up display. It may correspond to any one of the transmission, the warning image transmission to the vehicle display device, the emergency light flashing signal transmission provided in the vehicle. In addition, the mechanical signal may correspond to any one of the vibration signal of the steering wheel, the vibration signal of the seat.

The driver's response to the drowsy driving warning signal through the voice output unit 300 may refer to a case corresponding to any one of a driver's development signal, a touch signal of a steering wheel, a touch signal of a gear rod, and a touch signal of a driver's seat controller. If there is no driver's response, the controller 100 determines that the driver is performing a drowsy driving, and may transmit a drowsy driving warning signal through the voice output unit 300.

2 illustrates a VSDT room mirror having a sleepiness prevention function according to an embodiment of the present invention.

Referring to FIG. 2, a method of detecting a head coordinate, a body coordinate, and an eyelid movement of a driver through the imaging unit 200 is illustrated. Here, the detection of the eyelid movement of the driver focuses on the position of the driver's eyelid in the image captured by the camera 210, and when the position of the eyelid is confirmed in the captured image, the frame is detected at 16 frames per second to 100 blinks per second. Imaging can be performed with a frame. In this case, in order to extract an interval value between the upper and lower eyelids from the captured image, the captured image may be transmitted to the VSDT controller 100 to extract an interval value between the upper and lower eyelids.

The interval value of the extracted eyelid may be stored in the data storage 400. The stored interval value of the eyelid may be used as basic data for calculating the period value, and the VSDT controller 100 may calculate the eyelid blinking period value of the driver. Here, the driver eyelid blinking cycle may be the number of blinks per 1 second within 180 seconds, and the average period value may be calculated from the calculated driver eyelid blinking cycle value and used as a criterion of the driver's eyelid blinking.

The head coordinates of the driver may extract the position of the driver's face from the image captured by the camera to extract the left and right movement values and the front and rear movement values.

Here, the position extraction of the driver's face extracts the position of the driver's face from the VSDT controller 100 receiving the image captured by the camera, and uses the center point in the X-axis direction of the extracted face position value as the driver's face position coordinate value and face. The driver's face position coordinate values (X-axis, Y-axis) can be calculated by selecting the center point in the Y-axis direction of the position value as the driver's face position coordinate value, and the calculated face position coordinate values (X-axis, Y-axis) of the driver May be calculated 2 to 30 times, the average coordinate value of the calculated coordinate values (X-axis, Y-axis) is calculated, and the driver's face position reference coordinate value may be calculated and applied.

In addition, the body coordinates of the driver may extract the left and right movement values and the front and rear movement values by extracting the position of the driver's body from the image captured by the camera.

Here, the position extraction of the driver body extracts the position of the driver body from the VSDT control unit 100 that has received the image captured by the camera, and the center point of the extracted body position value in the X axis direction of the driver body position X axis coordinate value, The driver's face position coordinate value (X axis, Y axis) can be calculated by selecting the center point in the Y axis direction of the body position value as the driver body position Y axis coordinate value, and the calculated body position coordinate values (X axis, Y-axis) may be calculated 2 to 30 times, and the average coordinate value of the calculated coordinate values (X-axis, Y-axis) may be calculated and applied as the driver's body position reference coordinate value.

3 is a schematic conceptual diagram of a connection relationship between a VSDT room mirror 50 device having an drowsiness preventing function, an insurance company server, and a related institution server according to an embodiment of the present invention.

Referring to FIG. 3, the VSDT room mirror 50 having a drowsiness prevention function according to an embodiment is mounted on a vehicle front windshield, and generates vehicle notification information including speed information and location information of a vehicle and performs mobile communication. The accident information generated through the base station 60 may be provided to the related institution server 70 or the insurance company server 80.

The VSDT room mirror 50 having a sleepiness prevention function may include a wireless communication unit to perform wireless data communication with the mobile communication base station 60. The embedded wireless communication unit may be a CDMA communication device in Korea and the United States, and may be a GSM communication device in Europe. The built-in wireless communication unit,

1) An accident or collision with the vehicle

2) A vehicle rollover accident occurs,

3) When the vehicle travels more than the standard number of times (eg 1 to 20 times) at speed

The related organization server 70 may be notified or the insurance company server 80 may be notified.

Here, 1) to 3) indicate that the vehicle is notified of an accident, the driver's drowsy driving is detected in the VSDT room mirror 50 having a drowsiness prevention function, and when an accident occurs, the data storage unit 400 It provides information on the cause of an accident based on drowsy driving data stored in), and can prevent accidents caused by drowsy driving.

4 is an exemplary driver response diagram of a VSDT room mirror having a drowsiness preventing function according to an embodiment of the present invention.

Referring to FIG. 4, the camera 210 may be an example of a range in which any one of the driver's head movement, eyeball movement, and driver body movement is detected. The entire body of the driver and the head is set in a range, and the camera 210 is focused according to the movement of the driver, and any one of flickering of the driver's eyelid, movement of the driver's head, and movement of the driver's body can be captured.

If the driver's eyelid flickering reference data, head movement reference data, or body movement reference data is outside the reference range based on the scratched image, the VSDT control unit recognizes the driver as drowsy driving status and sends a warning sound to the driver. can do. Here, when the driver does not have a proper response to the warning voice, the output level of the voice signal may increase compared to the previous output, and when the driver reacts, it may be recognized that the driver has escaped the drowsy driving state.

5 is a block diagram of a VSDT room mirror having a drowsiness preventing function according to an embodiment.

Referring to FIG. 5, a VSDT controller 100, an imaging unit 200, an audio output unit 300, a data storage unit 400, a sensor module 500, and a wireless communication unit 600 are provided.

The control unit 100 includes a drowsiness warning unit, a pattern comparison unit, a drowsiness detection unit, and an accident determination module.

The imaging unit 200 includes a camera 210, an optical sensor 220, an ultrasonic sensor 230, and an infrared sensor 240.

The camera 210 is a camera for capturing an image of a driver, and may capture 1 million to 5 million pixels of pixels, and the focus may be adjusted in five steps.

The focus of the camera 210 may be set based on any one of the driver's body, the driver's head, and the driver's eyelid in the case of the short focus lens, and the driver's driver's body, the driver's head, and the driver's eyelid in the case of the multifocal lens. You can focus all of them.

It is arranged at equal intervals along the circumference of the camera 210, and provided with any one of the light sensor 220, the ultrasonic sensor 230, the infrared sensor 240, the camera 210 can take an image of the driver. If the driver is difficult to identify (for example, when the camera is difficult to identify the driver's head, body, or eyelid due to sudden changes in the illumination or tunnel entry), light sensor 220, ultrasound The sensor 230 and the infrared sensor 240 are not arranged with any one of the sensors. For example, one light beam 220, one ultrasonic sensor 230, one infrared sensor 230 may be arranged, each may be appropriately arranged according to the requirements of those skilled in the art, the driver.

The voice output unit 300 recognizes the driver as a drowsy driving state in the VSDT control unit 100 and outputs a drowsy driving warning signal to the driver, and outputs the drowsy driving signal as a voice signal belonging to an audible frequency range in which the driver can listen. It performs the role of converting, the voice output can be finally delivered to the driver through the voice output device (301).

The drowsy driving warning signal may correspond to any one of a recorded warning message, a pre-recorded voice warning message, an electronic sound, an alarm sounding an emergency situation, and abusive language. The driver may respond to a drowsy driving warning signal. When receiving the response through the microphone 130, the controller 100 may determine that the driver is not a drowsy driving state. Herein, the response corresponding to the drowsy driving warning signal may refer to a case of a driver's training signal, and the driver does not receive a response corresponding to the drowsy driving warning signal through the microphone 130. If not, the controller 100 may determine that the driver is a drowsy driving state and transmit a warning signal through the voice output unit 300.

The data storage unit 400 may store a result value converted from the image captured by the image capturing unit 200 into driver image value data through the VSDT control unit 100. Here, the data stored in the data storage unit 400 is the value of the driver's eyelid movement per unit time, the coordinates of the head movement, the coordinates of the body movement of the driver, the velocity data, the acceleration data, the tilt data, the driver warning voice data, the user voice recording data It may correspond to any one of the driver's head motion data, driver body motion data, driver's eye flicker detection data, speed data, acceleration data, tilt data, driver warning voice data, the user stored in the data storage unit 400 The voice recording data may be stored in the data storage unit 400 as separate data for each driver, and compares the cycle value of the blinking cycle of the actual driver's eyelid with the stored eyelid movement based on the stored driver-specific stored data, or Coordinate average value and low of driver's head movement By comparing the coordinates of the head coordinate average value the average value, the body-coordinate average value and the stored body motion of the motion of the real driver of the motion can be used as criteria for determining the driving condition of the driver drowsiness.

The sensor module 500 may include a speed sensor, an acceleration sensor, a tilt sensor, and an oxygen amount detection sensor. The sensor module 500 may include a sensor for each of speed, acceleration, and inclination, mounted on a printed circuit board, or a sensor integrated into one. Oxygen sensor can be mounted on a printed circuit board or in a separate location (inside the room mirror)

The wireless communication unit 600 may be a CDMA communication device in Korea and the United States, and may be a GSM communication device in Europe. The built-in wireless communication unit 600 may cause an accident in a vehicle, a rollover accident, or an excessive speed of driving at a reference frequency (for example, 1 to 20 times) or more. It is necessary to identify vehicles having a high risk of causing an accident, or to cause an accident, and to recognize vehicle location information. VSDT room mirror 50 having a sleepiness prevention function according to the present invention is the vehicle number of the vehicle, GPS location information and the wireless communication number assigned to the wireless communication unit 600, the relevant authority server 70 or insurance company server 80 Can be provided as

Here, the wireless communication number refers to a unique telephone number assigned to a vehicle and may refer to a mobile communication number having a structure similar to that given to portable terminals such as mobile phones and smart phones. For example, since the number of the mobile terminal operating in Korea is in the form of 010-XXXX-XXXX, the wireless communication number assigned to the vehicle may be implemented in the form of 700-XXXX-XXXX or in the form of 501-XXXX-XXXX. Can be.

Examples of the wireless communication numbers described are just examples for convenience of explanation and understanding of the present invention, may have various numbering systems, and may be given a wireless communication number of a wireless service provider without departing from the scope of the telecommunications business law. It may have a MAC (Media Access Control) address unique to the wireless device for identification in wireless communication.

6 shows a flowchart of a VSDT room mirror having a drowsiness prevention function according to an embodiment of the present invention.

Referring to FIG. 6, the power of the vehicle is applied and the sensor module 500 detects the movement of the vehicle to determine the driving (S701). As a result of the determination, when driving, the imaging unit 200 may start imaging the driver's face (S702). Next, the state of recognition of the driver's face may be determined (S703). As a result of the determination, when the driver's face is not recognized, the auxiliary light source may be operated (S704) to increase the illuminance of the face sensing camera 210 to enable imaging. As a result of the determination, when the face of the driver is recognized, the controller may determine whether the driver acquires image data of the driver (S706). If it is determined that the driver does not acquire the image data, the motion sensor may operate (S705).

The motion sensor may refer to any one of an ultrasonic sensor, an infrared sensor, and a multi-tech sensor, and may refer to any means capable of generating a signal by detecting a driver's movement.

When the driver's image data is acquired as a result of the judgment

Next, the driver's drowsy driving state may be determined (S707). The driver's drowsy driving state judgment (S707) compares the blinking period of the actual driver's eyelid with the period value of the stored eyelid movement, or compares the average value of the coordinates of the head movement of the actual driver with the coordinates of the stored head movement, and the body movement of the actual driver. It can be used as a criterion for determining the drowsy driving state of the driver by comparing the coordinate average value and the coordinate average value of the stored body movement. As a result of the determination, when the driver is not in the drowsy driving state, the driver may move to the accident determination step (S711). As a result of the determination, when the driver is in the drowsy driving state, the driver image data captured by the imaging unit 200 may be stored as converted data in the data storage unit 400. The converted data may correspond to any one of driver eyelid movement value, head movement coordinate value, driver body movement coordinate value, speed data, acceleration data, tilt data, driver warning voice data and user voice recording data per unit time. The driver's head movement data, driver's body movement data, driver's eye flicker detection data, speed data, acceleration data, tilt data, driver warning voice data, and user voice recording data stored in the data storage unit 400 may be stored for each driver. The data may be stored in the data storage unit 400 as separate data, and the period value of the blinking cycle of the actual driver's eyelid and the stored eyelid movement is compared based on the stored driver-specific stored data, or the coordinate average value of the actual driver's head movement. And left of stored head movements The table average value, the coordinate average value of the actual body movement of the driver and the stored coordinate average value of the body movement can be compared to be used as a criterion for determining the drowsy driving state of the driver.

Next, a warning sound output S709 may be performed to the walker to escape or prevent the driver from drowsy driving state.

Next, by checking the driver's response (S710) it can be determined whether the drowsy driving.

If there is no driver's response as a result of the determination, the warning sound step S713 may be determined. Here, the warning voice may be louder than the output of the initial warning voice.

If there is a driver response,

Next, the presence or absence of an accident may be determined through the sensor module 500 of the vehicle (S711).

As a result of the determination, if it is determined that the accident occurs, the last step may communicate the current location of the vehicle and the message of the accident through communication with the related organization (S712).

7 illustrates a perspective view of a VSDT room mirror having a drowsiness preventing function according to an embodiment of the present invention.

Referring to FIG. 7, the controller 100 determines eyelid blinking data, head movement data, and body movement data of the driver captured by the camera 210 having the focus set in the direction D1 (the driver's seat direction), and the driver may enter into a drowsy driving state. If it is determined, a warning voice may be transmitted to the driver through the voice output unit 300 and the driver's response may be sensed through the microphone 130. The driver's head movement data, driver's body movement data, driver's eye blink detection data, speed data, acceleration data, tilt data, driver warning voice data, and user voice recording data are respectively the periodic values of the eyelid blink data and head movement data. The reference value may be stored in the data storage 400 to calculate a reference value of the body motion data.

8 illustrates an example of air circulation according to an oxygen detection amount for a VSDT room mirror having a drowsiness prevention function according to an embodiment of the present invention.

Referring to FIG. 8, when the oxygen amount detection sensor in the sensor module transmits the measured value of the oxygen content of the vehicle to the controller 100, and the control unit receives the measured value, the oxygen content of the vehicle interior is less than 15% to 19% of the vehicle indoor air. A signal for converting the state of the air conditioner to the state of inflow of the external air may be transmitted to the ECU or the vehicle controller of the vehicle so that the window of the vehicle or the outside air may enter for circulation. In addition, when the measurement result of the oxygen detection sensor, when the outside air is inflow and the oxygen content of the vehicle interior is more than 19%, the control unit raises the window of the vehicle so that the outside air no longer flows into the ECU or the vehicle control unit of the vehicle, or the outside air inflow of the air conditioner You can change the state to a circular state.

100: VSDT control unit 130: microphone
200: imaging unit
300: audio output unit
400: data storage
500: sensor module
600: wireless communication unit

Claims (17)

It is stored in a case having a voice output device and a half mirror,
An imaging unit for acquiring a driver image through an imaging device in which an imaging direction is set in the half mirror direction in the case;
A warning voice output unit configured to output a warning voice to prevent a drowsy driving state and escape from a drowsy driving state to a driver;
A sensor module for detecting at least one of a speed, an acceleration, an inclination value, and an indoor oxygen amount of the vehicle;
When the face is detected in the driver image and at least one of the head movement, the driver body movement, and the number of eye blinks of the driver determined based on the face image of the face deviates from a preset reference range, the driver is in a drowsy driving state. It is determined to generate a drowsy driving signal, and transmits the drowsy driving signal to the voice output unit to output a warning voice,
A VSDT controller for determining at least one of an overspeed of a vehicle, a collision, and an indoor oxygen amount based on a detection value of the sensor module;
A wireless communication unit for notifying any one of an insurance company server and a related agency server in charge of a vehicle accident when the vehicle speeds or crashes as a result of the determination of the VSDT controller;
And a data storage configured to store at least one of information about a speeding of the vehicle, a collision, and a face image captured by the imaging unit.
The VSDT control unit,
Generating a drowsy driving signal when the response voice by the driver does not correspond to the warning voice output from the voice output unit;
The sensor module includes at least one of an ultrasonic sensor, an infrared sensor, a multi-tech sensor, and an oxygen amount detection sensor.
The imaging unit, VSDT room mirror having a drowsiness detection function, characterized in that at least one of the ultrasonic sensor, infrared sensor and Multi-Tech sensor is arranged along the outer periphery of the imaging unit. delete The method of claim 1,
The VSDT control unit,
And having at least one of a head movement, a driver's body movement, and eye blinking of the driver through at least one of the imaging unit, the ultrasonic sensor, the infrared sensor, and the multi-tech sensor. VSDT Room Mirrors. delete The method of claim 1,
The audio output unit,
When it is determined that the driver is drowsy,
The driver may output a warning voice through the voice output unit and determine that the driver is in a drowsy driving state when there is no response from the driver corresponding to the warning voice, thereby increasing the output level of the voice signal provided to the driver compared to the previous output. VSDT room mirror with drowsiness detection. The method of claim 1,
The VSDT control unit,
A value of 10% to 50% of an average period value for 2 to 30 times of the eye blinking cycle by specifying the number of times the eye blinks per 1 second to 180 seconds through the image picked up by the imaging unit. VSDT room mirror having a drowsiness detection function characterized in that the driver is determined to be a drowsy driving state. The method of claim 1,
The VSDT control unit,
At least one of the imaging unit, the ultrasonic sensor, the infrared sensor, and the multi-tech sensor moves the body of the driver relative to the reference position of the driver from 1 mm to 20 cm and to the reference position. The VSDT room mirror having a drowsiness detection function, wherein the face movement is determined to be a drowsy driving state when any one of 1 mm to 20 cm of movement is detected. The method of claim 7, wherein
The reference position of the driver,
VSDT having a drowsiness detection function, wherein the driver is any one of an average value of left and right movements of the body movement of the driver and an average value of upper and lower movements of the head movement of the driver for 1 second to 180 seconds after the first driver's seat. Room mirror. The method of claim 1,
The audio output device,
The VSDT room mirror having a drowsiness detection function, wherein the voice output signal is received from the voice output unit and outputs a warning signal to the driver. The method of claim 1,
The data storage unit stores,
And at least one of the head movement data of the driver, the body motion data of the driver, eye blink detection data of the driver, speed data, acceleration data, tilt data, and user voice recording data. VSDT Room Mirrors. The method of claim 1,
Wherein,
VSDT room mirror having a drowsiness detection function, characterized in that a camera capable of adjusting the focus of five to five million pixels and five stages. The method of claim 1,
Wherein,
And a drowsiness detection function further comprising an auxiliary light source on an edge of the case surface facing the driver. The method of claim 12,
A VSDT room mirror having a drowsiness detection function further comprising a diffusion filter for diffusing light projected from the auxiliary light source. The method of claim 12,
The auxiliary light source,
VSDT room mirror with drowsiness detection, characterized in that the LED. The method of claim 12,
The auxiliary light source,
The VSDT room mirror having a drowsiness detection function, characterized in that it is driven when it is difficult to detect at least one of the head movement of the driver, the body movement of the driver, the eye blink of the driver when the imaging device is low illumination. The method of claim 1,
The control unit,
The VSDT room mirror having a drowsiness detection function, characterized in that the indoor air is circulated when the oxygen detection data measured by the oxygen amount detection sensor is received and the oxygen content of the vehicle interior is less than 15% to 19%. The method of claim 1,
The control unit,
VSDT room mirror with drowsiness detection, which transmits a signal for performing any one or more operations of an outdoor air circulation device, window opening, and sunroof opening to a vehicle ECU (Electronic Control Unit) for circulation of indoor air .

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