JP5018613B2 - Road communicator and accident monitoring system - Google Patents

Description

  The present invention relates to a road communication device that communicates with an in-vehicle device mounted on a vehicle, and an accident monitoring system that includes the road communication device and an accident monitoring server.

Conventionally, at the time of an accident, the vehicle that caused the accident transmits the time of occurrence of the accident and the position information of the vehicle at the time of the accident to the server, and from the signal side data communication module connected to the signal control device that controls the traffic light The state information of the traffic light consisting of the correspondence between the display signal of the traffic light and the time of the display is transmitted to the server, and the server that has received such information causes the display signal of the traffic light near the position of the vehicle at the time of the accident to There is a system in which information is stored (see, for example, Patent Document 1). Further, in this patent document 1, “there is an intersection monitoring camera at the intersection where the traffic signal 1 is laid, and the signal side data communication module 3 receives the video output from the intersection monitoring camera, and this also indicates the status information of the traffic signal 1 May be transmitted to the server 8 ”(paragraph number 0075).
JP 2003-281893 A

  In the system described in Patent Document 1, the video of the intersection taken by the intersection monitoring camera is transmitted from the signal side data communication module to the server together with the time of occurrence of the accident and the position information of the vehicle at the time of the accident. There is a problem that the video of the intersection taken by the intersection monitoring camera alone is not sufficient to recognize the accident situation.

  The present invention has been made in view of the above problems, and an object thereof is to make it possible to recognize an accident situation in more detail.

In order to achieve the above object, the invention described in claim 1 communicates with a road camera for photographing on the road, a first communication means for performing road-to-vehicle communication with a vehicle-mounted device mounted on the vehicle, and an accident monitoring server. A second communication means, a third communication means that communicates with another road communication device that includes the same area as the road camera in the shooting range, and an accident that notifies the occurrence of an accident from the in-vehicle device via the first communication means When the occurrence notification is received, the image transmission means for transmitting the road image captured by the road camera together with the vehicle interior image transmitted from the in-vehicle device to the accident monitoring server via the second communication means , and The first communication means has a function of measuring the reception level of road-vehicle communication data transmitted from the in-vehicle device, and is transmitted from the in-vehicle device of another road communication device via the third communication means. Road-vehicle communication data reception level When it is determined that the reception level of road-to-vehicle communication data transmitted from the in-vehicle device is higher than the reception level of other roadside communication devices, the road camera is And a driver enlargement photographing means for instructing photographing of a photographed image .

According to such a configuration, when an accident occurrence notification for notifying the occurrence of an accident is received from an in-vehicle device mounted on the vehicle, a road-captured image taken by the road camera together with the vehicle interior image transmitted from the on-vehicle device. Is transmitted to the accident monitoring server, the accident situation can be recognized in more detail using the accident monitoring server. In addition, an image obtained by enlarging the driver of the vehicle by a road camera provided in the road communication device having the highest reception level of road-to-vehicle communication data transmitted from the vehicle-mounted device is sent to the accident monitoring server, and other road communication devices From the road-captured video captured by the road camera is sent to the accident monitoring server. As described above, when there is another road communicator that includes the same area as the road camera in the shooting range, the road camera provided in the specific road communicator allows the driver of the vehicle to be enlarged and photographed. Can be sent to the accident monitoring server.

  According to a second aspect of the present invention, the in-vehicle device includes: collision detection information indicating whether or not a collision is detected by a collision sensor mounted on the vehicle; airbag deployment information indicating whether or not the airbag of the vehicle is deployed; At least one of the passenger's voice, heart rate, pulse rate, blood pressure, body temperature, vehicle position, vehicle traveling direction, and accident occurrence time is transmitted together with the vehicle interior image of the vehicle, , At least one of collision detection information transmitted from the vehicle-mounted device, airbag deployment information, voice of passengers in the passenger compartment, heart rate, pulse rate, blood pressure, body temperature, vehicle position, vehicle traveling direction, and accident occurrence time It is characterized by being sent to the accident monitoring server in addition to the in-vehicle image and the road image.

  According to such a configuration, collision detection information transmitted from the vehicle-mounted device, airbag deployment information, occupant voice in the passenger compartment, heart rate, pulse rate, blood pressure, body temperature, vehicle position, vehicle traveling direction, accident Since at least one of the occurrence times is added to the vehicle interior image and the road-captured image and sent to the accident monitoring server, it is possible to further recognize the detailed accident situation.

  According to a third aspect of the present invention, there is provided a vehicle position estimation means for estimating a vehicle position based on vehicle position information transmitted from an in-vehicle device, and a road camera is photographed at the vehicle position estimated by the vehicle position estimation means. Road camera control means for causing the road camera to shoot a road-captured video in accordance with the range is provided.

  When the shooting range of the road camera is fixed, there may be a situation where the accident vehicle is not included in the shooting range. However, according to the configuration described above, based on the vehicle position information transmitted from the in-vehicle device. The vehicle position is estimated, and the shooting range of the road camera is adjusted to the estimated vehicle position and the road camera is caused to shoot the road shooting video, thereby eliminating the situation where the accident vehicle is not included in the shooting range of the road camera. It is possible.

According to a fourth aspect of the present invention, when a remote operation instruction for instructing a change of the shooting range of the road camera is received via the second communication means, the shooting range of the road camera is changed according to the remote operation instruction. Is provided with remote operation photographed image sending means for sending the photographed road image of the road camera to the accident monitoring server.

  According to such a configuration, when a remote operation instruction for instructing a change in the shooting range of the road camera is received, the road camera is instructed to change the shooting range in accordance with the remote operation instruction, and the road shooting image of the road camera is displayed. Since it is sent to the accident monitoring server, it is possible to check the road-captured video of the desired part using the accident monitoring server.

In order to achieve the above object, an invention according to claim 5 is an accident monitoring system comprising a road communicator having a road camera for photographing a road and an accident monitoring server communicating with the road communicator. When the communication device receives an accident occurrence notification that notifies the occurrence of an accident from the in-vehicle device mounted on the vehicle, the accident monitoring server displays the road image taken by the road camera together with the vehicle interior image of the vehicle transmitted from the on-vehicle device. Measures the reception level of the road-to-vehicle communication data transmitted from the vehicle-mounted device and the road-to-vehicle communication transmitted from the vehicle-mounted device of another road communication device that includes the same area as the road camera in the imaging range. When the data reception level is acquired and it is determined that the reception level of road-to-vehicle communication data transmitted from the in-vehicle device is higher than the reception level of other roadside communication devices, the vehicle Comprising a driver's enlarged photographing means for instructing shooting of road shot image on the road the camera to expand shooting the driver, an accident monitoring server is captured by the vehicle interior image and road camera of the vehicle sent by the video transmitting unit It is characterized in that the captured road image is stored in a storage medium.

According to such a configuration, when the road communicator receives the accident occurrence notification that notifies the occurrence of the accident from the onboard device mounted on the vehicle, the roadside communication device captures the vehicle interior image transmitted from the onboard device with the road camera. The received road shot video is sent to the accident monitoring server, and the reception level of road-to-vehicle communication data transmitted from the vehicle-mounted device is measured. From the vehicle-mounted device of another road communication device including the same area as the road camera in the shooting range When the reception level of the road-to-vehicle communication data to be transmitted is acquired and it is determined that the reception level of the road-to-vehicle communication data transmitted from the in-vehicle device is higher than the reception level of other roadside communication devices, driving the vehicle the instructing capturing of road shot image on the road the camera to expand photographer, accident monitoring server is captured by the vehicle interior image and road camera of the vehicle sent from the road communication device Since storing road shot image in a storage medium, it is possible to recognize the accident situation in more detail.

  FIG. 1 shows the overall configuration of an accident monitoring system according to an embodiment of the present invention. This accident monitoring system includes an on-vehicle device 10 installed on a vehicle 1 installed at an intersection or the like and mounted on a vehicle 1 that performs road-to-vehicle communication, and an accident monitoring server 3 installed at an accident processing center. Has been. The roadside communication device 2 can communicate with the accident monitoring server 3 via the base station 4 and the public communication network. In addition, the accident monitoring server 3 can be accessed from emergency organizations such as police, fire departments, hospitals, and emergency vehicles such as ambulances and fire engines (denoted as emergency organizations and emergency vehicles 5 in the figure). Yes. Data transmitted from the road communicator 2 to the accident monitoring server 3 and data transmitted from the accident monitoring server 3 to the emergency vehicle 5 and the like are each encrypted using a well-known encryption process. Cannot receive.

  First, the vehicle 1 will be described. The vehicle 1 is equipped with an in-vehicle device 10, an airbag operation sensor 11, a collision sensor 12, a navigation system 13, a vehicle interior camera 14, a physiological detection system 15, and a microphone 16.

  The in-vehicle device 10 includes a vehicle radio unit 10a for performing road-to-vehicle communication with the roadside communication device 2, and a communication control unit 10b and a control device 10c for controlling the vehicle radio unit 10a.

  The control device 10c is configured as a computer including a CPU, a memory, and the like, and the CPU performs various processes according to a program stored in the memory. Note that identification information (ID) for identifying the in-vehicle device 10 is stored in the memory of the control device 10c.

  The airbag operation sensor 11 detects the deployment of the airbag due to an accident or the like of the vehicle 1 and sends a detection signal to the in-vehicle device 10.

  The collision sensor 12 detects an impact received by the vehicle 1 at the time of a collision, and sends a detection signal to the control device 10c when the magnitude of the impact received by the vehicle 1 is a certain value or more.

  The navigation system 13 has a position detector (not shown) including a GPS receiver, a vehicle speed sensor, a gyro sensor, and the like, and various information and map data for specifying the current position input from the position detector. The current position, the course direction, and the current time of the vehicle 1 are identified based on the above, and the identified current position, the course direction, and the current time of the vehicle 1 are sent to the control device 10c. In addition, the navigation system 13 performs a process of superimposing the vehicle position mark on a position on the map corresponding to the identified current position of the vehicle 1 and displaying it on a display device (not shown).

  The vehicle interior camera 14 is for photographing a passenger in the vehicle interior, and sends the captured vehicle interior image to the control device 10c.

  The physiological detection system 15 includes various sensors that detect the heart rate, pulse rate, blood pressure, and body temperature of the driver, and the controller 10c controls the heart rate, pulse rate, blood pressure, and body temperature of the driver detected by these sensors. To send.

  The microphone 16 collects sound in the passenger compartment and sends a signal corresponding to the collected sound to the control device 10c.

  When a detection signal is input from the airbag operation sensor 11 or when a detection signal is input from the collision sensor 12, the control device 10c notifies the occurrence of an accident via the communication control unit 10b and the vehicle radio unit 10a. Along with the notification of the occurrence of an accident, a process of notifying the vehicle interior image sent by the vehicle interior camera 14 and the heart rate, pulse rate, body temperature, etc. of the driver detected by the physiological detection system 15 is performed.

  Next, the roadside communication device 2 will be described. The road communicator 2 includes a road camera 20 and a communication control unit 21. The roadside communication device 2 is installed at four corners of an intersection, for example, as shown in FIG. As shown in the figure, each of the on-road communication devices 2 is a road-captured video imaged by the road-side camera 20 together with the in-vehicle camera images transmitted from the vehicles 1 when a collision between vehicles occurs in the intersection. Is sent to the accident monitoring server 3.

  The road camera 20 takes a picture of a road such as an intersection and sends the taken road shot video to the communication control unit 21.

  The communication control unit 21 communicates with the accident monitoring server 3 through the base station 4 and the public communication network, and communicates with other road communication devices 2 installed at the same intersection. A road-to-road communication unit 21b, a road-to-vehicle communication unit 21c that performs road-to-vehicle communication in accordance with a narrow-band communication standard (for example, DSRC standard) with the vehicle-mounted device 10 mounted on the vehicle 1, and a road communication control unit 21d I have. The road-vehicle communication unit 21c has a function of measuring the reception level of road-vehicle communication data transmitted from the in-vehicle device 10.

  The road communication control unit 21d is configured as a computer including a CPU, a memory, an I / O, and the like, and the CPU performs various processes according to a program stored in the memory.

  For the processing of the road communication control unit 21d, image recognition processing is performed on the road-captured video imaged by the road camera 20, and the road camera 20 zooms in on a specific portion to take a picture. Vehicle 1 mounted on the vehicle 1 via the road-to-vehicle communication unit 21c, estimating the position of the vehicle 1 based on the current position of 1 and the course direction, and changing the shooting range of the road camera 20 so as to follow the vehicle. When an accident occurrence notification for notifying the occurrence of an accident is received from the machine 10, the vehicle interior image of the vehicle 1 transmitted from the in-vehicle machine 10, the driver's heart rate, pulse rate, body temperature, etc. detected by the physiological detection system 15 are displayed. There is a process of sending to the accident monitoring server 3 via the wireless communication unit 21a.

  The accident monitoring server 3 is configured as a computer including an input device, a display, a storage device, and a control unit (all not shown), and stores various data transmitted from the road communicator 2 in the storage device. To implement. In addition, emergency organizations such as police, fire departments and hospitals and emergency vehicles such as ambulances and fire departments can access the accident monitoring server 3 and acquire various data stored in the storage device of the accident monitoring server 3. It has become.

  FIG. 3 shows a flowchart of the control device 10 c in the in-vehicle device 10 and the road communication control unit 21 d in the road communication device 2. If the control apparatus 10c determines that the own vehicle is located before a predetermined distance (for example, 10 meters) of the intersection based on the own vehicle position and the map data, the control device 10c periodically performs the process shown in FIG. Further, the road communication control unit 21d periodically performs the process shown in FIG.

  First, the control device 10c notifies identification information (ID) for identifying the in-vehicle device 10, position information (current position of the vehicle 1), and a course direction (S100).

  Next, it is determined whether or not airbag deployment or collision has been detected (S102). This determination can be made based on whether a detection signal is input from the airbag operation sensor 11 or whether a detection signal is input from the collision sensor 12.

  Here, when a detection signal is not input from either the airbag operation sensor 11 or the collision sensor 12, the determination in S102 is NO, and then it is determined whether or not the vehicle has passed the intersection (S104). Specifically, whether the vehicle has passed the intersection based on whether the vehicle 1 has passed the intersection where the road communicator 2 is installed and the road-vehicle communication with the road communicator 2 has been disconnected. Determine.

  If the road-to-vehicle communication with the roadside communication device 2 is not disconnected, the determination in S104 is NO, and the process returns to S102. If the road-to-vehicle communication with the roadside communication device 2 is disconnected, the determination in S104 is YES. This process is terminated.

  Further, before the road-to-vehicle communication with the roadside communication device 2 is disconnected, as shown in FIG. 2, the vehicle equipped with the vehicle-mounted device 10 collides with another vehicle, and the airbag operation sensor 11 and the collision sensor 12. When a detection signal is input from at least one of the above, the determination in S102 is YES, and an accident occurrence notification for notifying the occurrence of an accident is sent to the roadside communication device 2 (S106). Specifically, along with the notification of the occurrence of an accident, identification information for identifying the in-vehicle device 10, collision detection information indicating whether or not an impact greater than a certain value has been detected by the collision sensor 12, and an airbag by the airbag operation sensor 11 Airbag deployment information indicating whether or not deployment of the vehicle has been detected, vehicle interior images sent from the vehicle interior camera 14, the heart rate, pulse rate and body temperature of the driver detected by the physiological detection system 15, and the position immediately before the collision -Sends the route direction, time, etc. to the roadside communication device 2. Note that the vehicle interior image captured by the vehicle interior camera 14 is continuously sent to the roadside communication device 2.

  As described above, various types of information such as a vehicle interior image transmitted from the vehicle interior camera 14 together with the notification of the occurrence of an accident from a vehicle equipped with the vehicle-mounted device 10 are transmitted to the roadside communication device 2. When the vehicle-mounted device 10 is mounted on both vehicles in which an accident has occurred, as shown in FIG. 2, various information such as vehicle interior images taken by the vehicle interior camera 14 from both vehicles are communicated on the road. Sent to the machine 2.

  Next, processing of the road communication control unit 21d of the road communication device 2 will be described. When the road communication control unit 21d receives the identification information (ID), position information (current position of the vehicle 1), and the route direction for identifying the vehicle-mounted device 10 from the vehicle-mounted device 10, the identification information, the position information, the route, The direction is stored in the memory (S200).

  Next, it is determined whether an accident occurrence notification has been received (S202). If the accident occurrence notification is not received, the determination in S202 is repeated.

  When an accident occurrence notification is received from a vehicle equipped with the vehicle-mounted device 10, the determination in S202 is YES, and various data sent together with the accident occurrence notification are stored in the memory (S204). Specifically, identification information for identifying the in-vehicle device 10, collision detection information indicating whether or not an impact greater than a certain value has been detected by the collision sensor 12, and airbag deployment by the airbag operation sensor 11 are detected. Airbag deployment information indicating whether or not the vehicle has been detected, vehicle interior images transmitted from the vehicle interior camera 14, the heart rate, pulse rate and body temperature of the driver detected by the physiological detection system 15, the position, course direction, and time immediately before the collision Etc. are stored in the memory.

  Next, the road-captured video sent from the road camera 20 together with various data stored in the memory is sent to the accident monitoring server 3 via the wireless communication unit 21a (S206). Specifically, identification information for identifying the in-vehicle device 10, collision detection information indicating whether or not an impact greater than a certain value has been detected by the collision sensor 12, and airbag deployment by the airbag operation sensor 11 are detected. Airbag deployment information indicating whether or not the vehicle has been detected, vehicle interior images transmitted from the vehicle interior camera 14, the heart rate, pulse rate and body temperature of the driver detected by the physiological detection system 15, the position, course direction, and time immediately before the collision And the like, the road-captured video imaged by the road camera 20 is sent to the accident monitoring server 3.

  Next, it is determined whether the reception level of road-to-vehicle communication is the highest among the surrounding roadside communication devices 2 (S208). Specifically, the road-to-vehicle communication data transmitted from the in-vehicle device 10 has the same reception level by performing road-to-road communication with other roadside communication devices 2 installed at the same intersection via the road-to-road communication unit 21b. It is determined whether it is the highest among other roadside communication devices 2 installed at the intersection.

  Here, when the reception level of road-to-vehicle communication data is the second or lower among other roadside communication devices 2 installed at the same intersection, the determination in S208 is NO, and the position of the accident vehicle is determined from the position / route direction immediately before the collision. A position is estimated (S210). In addition, you may estimate the position of an accident vehicle from the positional information (current position of the vehicle 1) memorize | stored in memory in S200, and a course direction.

  Next, the shooting range of the road camera 20 is adjusted to the estimated position of the accident vehicle, and the road camera 20 is caused to take a road shooting video (S212), and the process proceeds to S216.

  If the reception level of road-to-vehicle communication data is the highest among the other roadside communication devices 2 installed at the same intersection, the determination in S208 is YES, and the vehicle driver is zoomed up (enlarged shooting). In this manner, the on-road camera 20 is instructed to shoot on-street video (S214). Specifically, the front window of the vehicle and the side window of the driver's seat are recognized by the image recognition process, and the road camera 20 is shot of the road video so that the driver can zoom up (enlarged shooting) through the vehicle window. Instruct. Thereby, a photographed image obtained by zooming in on the driver of the vehicle is sent to the accident monitoring server 3.

  In S216, it is determined whether or not road-to-vehicle communication is disconnected.

  Here, when the road-to-vehicle communication is not disconnected, the determination in S216 is NO, and the process returns to S202. Accordingly, various data transmitted from the in-vehicle device 10 together with the accident occurrence notification and the road-captured video captured by the road camera 20 are continuously transmitted to the accident monitoring server 3.

  Further, when the road-to-vehicle communication is disconnected due to an accident of the vehicle 1 or the like, the determination in S216 is NO, and then, according to the remote operation instruction, the road video shot by the road camera 20 is monitored for accidents. The data is sent to the server 3 (S218). At this time, when a remote operation instruction for instructing the change of the shooting range of the road camera 20 is received from the accident monitoring server 3, the change of the shooting range of the road camera 20 is instructed according to the remote operation instruction, and the road camera 20 The road-captured video imaged by is transmitted to the accident monitoring server 3. That is, a video image taken by the road camera 20 according to the remote operation instruction is sent to the accident monitoring server 3.

  According to the configuration described above, when an accident occurrence notification for notifying the occurrence of an accident is received from the in-vehicle device 10 mounted on the vehicle 1, the image is taken by the road camera 20 together with the vehicle interior image of the vehicle transmitted from the in-vehicle device 10. Since the road shot video is transmitted to the accident monitoring server 3, the accident situation can be recognized in more detail using the accident monitoring server 3. That is, it is possible to check the vehicle interior image and road shot image of the accident vehicle in real time using the accident monitoring server 3, and it is possible to appropriately respond to the accident situation in the emergency engine or the emergency vehicle.

  In addition, at least one of collision detection information transmitted from the vehicle-mounted device, airbag deployment information, passenger voice in the passenger compartment, heart rate, pulse rate, blood pressure, body temperature, vehicle position, vehicle traveling direction, and accident occurrence time Since it is sent to the accident monitoring server 3 in addition to the vehicle interior image and the road image, it is possible to recognize the detailed accident situation.

  In addition, when the shooting range of the road camera 20 is fixed, there may be a situation where the accident vehicle is not included in the shooting range. However, according to the above configuration, the vehicle 1 transmitted from the in-vehicle device 10. The vehicle position is estimated based on the position information of the vehicle, and the shooting range of the road camera 20 is adjusted to the estimated vehicle position so that the road camera 20 takes a road shot video. It is possible to eliminate situations that are not included.

  In addition, an image obtained by enlarging the driver of the vehicle by the road camera 20 provided in the road communication device 2 having the highest reception level of road-to-vehicle communication data transmitted from the in-vehicle device 10 is sent to the accident monitoring server 3. From the road communicator 2, the road shot video shot by the road camera 20 is sent to the accident monitoring server 3. As described above, when there is another road communicator 2 including the same area as the road camera 20 in the shooting range, the driver of the vehicle 1 is enlarged and photographed by the road camera 20 provided in the specific road communicator. The photographed video can be sent to the accident monitoring server 3.

  Further, when a remote operation instruction for instructing a change in the shooting range of the road camera 20 is received, the road camera 20 is instructed to change the shooting range in accordance with the remote operation instruction, and the road shot image of the road camera 20 is displayed in the accident monitoring server. 3, it is possible to confirm a road-captured image of a desired part using the accident monitoring server 3.

  In addition, this invention is not limited to the said embodiment, Based on the meaning of this invention, it can implement with a various form.

  For example, in the above embodiment, the heart rate, pulse rate, blood pressure, and body temperature of the driver in the passenger compartment detected by the physiological detection system 15 mounted on the vehicle-mounted device 10 are sent to the roadside communication device 2. For example, the heart rate, pulse rate, blood pressure, and body temperature of the passenger in the front passenger seat and the rear seat are detected using the physiological detection system 15 and sent to the road communication device 2, and the road communication device 2 may send the received information to the accident monitoring server 3.

  Moreover, in the said embodiment, collision detection information, airbag deployment information, the passenger | crew's audio | voice in a vehicle interior, a heart rate, a pulse rate, blood pressure, body temperature, the position of a vehicle, the advancing direction of a vehicle, accident along with the vehicle interior image of a vehicle Although the time of occurrence was transmitted, it is not necessary to transmit all of these information, together with the vehicle interior image of the vehicle, collision detection information, airbag deployment information, passenger voice in the vehicle interior, heart rate, pulse rate, blood pressure, You may make it transmit at least 1 of body temperature, the position of a vehicle, the advancing direction of a vehicle, and accident occurrence time.

  Further, in the above embodiment, when an accident occurrence notification for notifying the occurrence of an accident is received from the in-vehicle device 10 mounted on the vehicle 1, the road communication device 2 is displayed on the road along with the vehicle interior image of the vehicle transmitted from the in-vehicle device 10. Although the road video shot by the camera 20 is sent to the accident monitoring server 3, a moving image is preferable as each video sent to the accident monitoring server 3, but a still image may be used.

  Further, in the above embodiment, when the road-to-vehicle communication is interrupted due to an accident of the vehicle 1 or the like, the road camera 20 takes a picture according to a remote operation instruction that instructs to change the shooting range of the road camera 20. The change of the range is instructed, and the road video of the road camera 20 is sent to the accident monitoring server. However, according to the remote operation instruction for instructing the change of the shooting range of the road camera 20 regardless of the communication state of the road-to-vehicle communication. It is also possible to instruct the road camera to change the shooting range, and to send the road shot video of the road camera 20 to the accident monitoring server.

  The correspondence relationship between the configuration of the above embodiment and the configuration of the claims will be described. The road-to-vehicle communication unit 21c corresponds to the first communication unit, and the wireless communication unit 21a corresponds to the second communication unit. , S206 corresponds to the video transmission means, S210 corresponds to the vehicle position estimation means, S212 corresponds to the road camera control means, the roadside communication unit 21b corresponds to the third communication means, and S208, S214. S218 corresponds to the driver enlargement photographing means, and S218 corresponds to the remote operation photographing image sending means.

It is a figure showing the whole accident monitoring system composition concerning one embodiment of the present invention. It is the figure which showed the mode when the roadside communication apparatus is installed in the four corners of an intersection, and the collision accident of vehicles occurred in the intersection. It is a flowchart of the control apparatus of a vehicle equipment and the control part of a roadside communication apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Road communicator 3 Accident monitoring server 4 Base station 5 Emergency engine and emergency vehicle 10 Onboard equipment 10a Vehicle radio part 10b Communication control part 10c Control apparatus 11 Airbag action sensor 12 Collision sensor 13 Navigation system 14 Car interior camera 15 Physiology Detection system 16 Microphone 20 Road camera 21 Communication control unit 21a Wireless communication unit 21b Road-to-road communication unit 21c Road-to-vehicle communication unit 21d Road communication control unit

Claims (5)

A street camera that shoots on the street,
A first communication means for performing road-to-vehicle communication with an in-vehicle device mounted on the vehicle;
A second communication means for communicating with the accident monitoring server;
A third communication means for communicating with another road communication device including the same area as the road camera in the shooting range;
When an accident occurrence notification for notifying the occurrence of an accident is received from the in-vehicle device via the first communication means, a road-captured image captured by the road camera together with a vehicle interior image of the vehicle transmitted from the in-vehicle device. Video sending means for sending to the accident monitoring server via the second communication means ,
The first communication means has a function of measuring a reception level of road-to-vehicle communication data transmitted from the in-vehicle device,
The reception level of road-to-vehicle communication data transmitted from the in-vehicle device of the other roadside communication device via the third communication means is acquired, and the reception level of road-to-vehicle communication data transmitted from the in-vehicle device is When it is determined that the reception level of the other roadside communication device is higher, a driver enlargement photographing means for instructing the road camera to shoot the road photographing image so as to magnify the driver of the vehicle; road communication device characterized by comprising a. The in-vehicle device includes collision detection information indicating presence / absence of collision detection by a collision sensor mounted on the vehicle, airbag deployment information indicating presence / absence of deployment of the airbag of the vehicle, voice of a passenger in the vehicle, heart rate, At least one of pulse rate, blood pressure, body temperature, vehicle position, vehicle traveling direction, accident occurrence time is transmitted together with the vehicle interior image of the vehicle,
The video transmission means includes the collision detection information transmitted from the in-vehicle device, the airbag deployment information, the voice of an occupant in the passenger compartment, heart rate, pulse rate, blood pressure, body temperature, vehicle position, vehicle traveling direction, The roadside communication device according to claim 1, wherein at least one of an accident occurrence time is added to the vehicle interior image and the road-captured video and transmitted to the accident monitoring server. Vehicle position estimating means for estimating the vehicle position based on the position information of the vehicle transmitted from the in-vehicle device;
2. A road camera control means for causing the road camera to take a picture of the road shot image by matching a shooting range of the road camera with the vehicle position estimated by the vehicle position estimation means. Or the roadside communication apparatus of 2. Upon receiving a remote operation instruction for instructing a change in the shooting range of the road camera via the second communication means, the road camera is instructed to change the shooting range in accordance with the remote operation instruction, and the road camera The road communicator according to any one of claims 1 to 3 , further comprising remote operation photographed video sending means for sending the road shot video to the accident monitoring server. An accident monitoring system comprising a road communication device having a road camera for photographing a road and an accident monitoring server communicating with the road communication device,
When the road communicator receives an accident occurrence notification for notifying the occurrence of an accident from a vehicle-mounted device mounted on the vehicle, the road image taken by the road camera together with a vehicle interior image of the vehicle transmitted from the vehicle-mounted device. Video transmission means for transmitting video to the accident monitoring server, the reception level of road-to-vehicle communication data transmitted from the in-vehicle device, and the other road communication device including the same area as the road camera in the imaging range The reception level of road-to-vehicle communication data transmitted from the in-vehicle device is acquired, and it is determined that the reception level of road-to-vehicle communication data transmitted from the in-vehicle device is higher than the reception level of the other roadside communication device. A driver enlargement photographing means for instructing the road camera to shoot the road image so as to magnify the driver of the vehicle ,
The accident monitoring system is characterized in that the accident monitoring server stores a vehicle interior image of the vehicle sent by the video sending unit and a road shot video taken by the road camera in a storage medium.

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