KR20210050218A - Events sharing apparaus for vehicle, and control method thereof - Google Patents

Abstract

The present invention relates to a see-through service based on a cellular vehicle to everything (C-V2X). The present invention relates to a vehicle event sharing device and an operating method of the vehicle event sharing device, wherein an event image captured by a preceding vehicle at an event occurrence point is effectively shared with a plurality of following vehicles on an event occurrence path. The vehicle event sharing device includes: an acquisition unit which acquires media identification information which can access the event image captured by an image transmission vehicle; and a transmission unit which selects at least some of the vehicles on the path where the event occurs as an image receiving vehicle based on at least one of map coordinates matching an event type and a location of each vehicle, and transmits the event information including the media identification information.

Description

Vehicle event sharing device and vehicle event sharing device operation method {EVENTS SHARING APPARAUS FOR VEHICLE, AND CONTROL METHOD THEREOF}

The present invention relates to a C-V2X (Cellular Vehicle to Everything) based see through service, wherein an event image captured by a preceding vehicle at an event occurrence point is effectively shared with a plurality of following vehicles on an event occurrence path. It is about a plan for.

Major companies in the automotive and mobile industries have launched 5GAA (5G Automotive Association), and 5GAA has C-V2X (Cellular Vehicle to Everything) technology as one of its core goals.

C-V2X refers to a communication technology to establish the foundation of a future safe and interconnected automobile by exchanging information such as traffic information with other vehicles and objects with infrastructure such as roads through wired/wireless networks while driving.

These C-V2Xs are all applicable to vehicles on the road, such as V2V (Vehicle to Vehicle), V2I (Vehicle to Infra), and (V2N, Vehicle to Nomadic Devices) to lay the foundation for future safe and interconnected vehicles. It can be understood to include communication technology.

On the other hand, in relation to this, 5GAA is discussing a see through service as a way to increase driving safety and convenience between vehicles through video transmission between vehicles.

However, in the case of the conventional see-through service related technology, it is mainly based on V2V (Vehicle to Vehicle) communication, which is a direct vehicle-to-vehicle communication without the intervention of a separate device such as a server. There is a limit to implementing quality services.

Accordingly, the present invention proposes a new method for implementing a quality see-through service.

The present invention was created in view of the above circumstances, and an object to be reached in the present invention is, in a C-V2X (Cellular Vehicle to Everything) based see through service environment, a preceding vehicle at the event occurrence point is photographed. It is to effectively share an event image with a plurality of trailing vehicles on the event occurrence path.

A vehicle event sharing apparatus according to an embodiment of the present invention for achieving the above object includes: an acquisition unit for acquiring media identification information capable of accessing an event image captured by an image transmitting vehicle; And a transmission unit for transmitting event information including the media identification information by selecting at least some of the vehicles on the route where the event has occurred based on at least one of the map coordinates matching the event type and the location of each vehicle as an image receiving vehicle. Characterized in that.

Specifically, the acquisition unit may acquire media identification information for an event image captured by the image transmission vehicle according to detection of an event occurrence in the image transmission vehicle.

Specifically, the acquisition unit instructs the image transmission vehicle located at the event occurrence point to collect the image according to the detection of the occurrence of the event, and acquires media identification information for the event image captured by the image transmission vehicle according to the instruction. can do.

Specifically, the acquisition unit may detect occurrence of an event through at least one of a vehicle and an intelligent transportation system (ITS).

Specifically, the acquisition unit may acquire the media identification information issued by the media server for the event image received from the image transmission vehicle through the image transmission vehicle.

Specifically, the transmission unit may select at least some vehicles corresponding to the following vehicle as the image receiving vehicle with respect to an event occurrence point among vehicles on a path in which the event has occurred.

In order to achieve the above object, a method of operating a vehicle event sharing apparatus according to an embodiment of the present invention includes: an acquisition step of acquiring media identification information capable of accessing an event image captured by an image transmitting vehicle; And a transmission step of selecting at least some of the vehicles on the route where the event occurred based on at least one of the map coordinates matching the event type and the location of each vehicle as an image receiving vehicle, and transmitting event information including the media identification information. It characterized in that it includes.

Specifically, in the acquiring step, media identification information may be obtained for an event image captured by the image transmitting vehicle according to detection of an event occurrence in the image transmitting vehicle.

Specifically, in the obtaining step, in response to detection of an event occurrence, an instruction to collect an image for the image transmitting vehicle located at an event occurrence point, and media identification information for the event image photographed by the image transmitting vehicle according to the corresponding instruction. Can be obtained.

Specifically, the acquisition step may detect occurrence of an event through at least one of a vehicle and an intelligent transportation system (ITS).

Specifically, in the obtaining step, the media identification information issued by a media server for an event image received from the image transmitting vehicle may be obtained through the image transmitting vehicle.

Specifically, in the delivery step, at least some vehicles corresponding to the vehicle following the event occurrence point among vehicles on the path in which the event has occurred may be selected as the image receiving vehicle.

Accordingly, according to the vehicle event sharing device and the operating method of the vehicle event sharing device of the present invention, in a C-V2X (Cellular Vehicle to Everything) based see through service environment, an event photographed by a preceding vehicle at the event occurrence point Since a method for effectively sharing an image with a plurality of trailing vehicles on an event occurrence path is proposed, it is possible to achieve an effect of improving the driving stability and convenience of the vehicle.

1 is an exemplary diagram for describing a see-through service environment according to an embodiment.
2 is a schematic configuration diagram for explaining a vehicle event sharing apparatus according to an embodiment of the present invention.
3 is an exemplary view for explaining a V2N2V (Vehicle to Nomadic Devices to Vehicle) see-through service scheme according to an embodiment of the present invention.
4 is an exemplary diagram for explaining a V2N2V (Vehicle to Nomadic Devices) see-through service scheme according to an embodiment of the present invention.
5 and 6 are schematic flowcharts illustrating a method of operating a vehicle event sharing apparatus according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

In one embodiment of the present invention, a C-V2X (Cellular Vehicle to Everything)-based C-V2X (Cellular Vehicle to Everything)-based communication technology for exchanging information such as traffic information with other vehicles and roads through a wired/wireless network and an infrastructure-built object. It deals with see through service.

See-through service is one of the technologies discussed in relation to C-V2X in 5GAA (5G Automotive Association). For example, in a near-overtaking situation between vehicles, the front image of the preceding vehicle is transmitted to the following vehicle, or It can be used for the purpose of notifying the image of the preceding vehicle to the following vehicle in the event of an emergency stop situation or an accident through an ADAS (Advanced Driver Assistance System) image.

Therefore, it can be understood that the ultimate purpose of the see-through service is to increase driving safety and convenience between vehicles through video transmission between vehicles.

However, in the case of the conventional see-through service related technology, it is common to rely on V2V (Vehicle to Vehicle) communication, which is a direct communication between vehicles without the intervention of a separate device such as a server.

In other words, in the case of relying only on V2V (Vehicle to Vehicle) communication, it is difficult to distinguish between the preceding vehicle and the following vehicle when transmitting an image. In addition, even in exaggerating the image transmission, transmission delay and, above all, one-to-many, due to the capacity problem of the image. Communication (1:N) In other words, the image of the preceding vehicle cannot be transmitted to a plurality of following vehicles.

finally, In the case of the conventional see-through service related technology, it is mainly based on V2V (Vehicle to Vehicle) communication, which is a direct communication between vehicles without the intervention of a separate device such as a server. There are limitations in implementing the service.

Accordingly, in an embodiment of the present invention, a new see-through service environment for implementing a quality service is proposed.

1 schematically shows a see-through service environment according to an embodiment of the present invention.

As shown in FIG. 1, the see-through service environment according to an embodiment of the present invention may include a vehicle event sharing device 20 for sharing event images between vehicles.

The vehicle event sharing device 20 may be implemented in the form of a server accessible through a wired or wireless communication network, as a part of a platform built in a C-V2X environment.

As such, when the vehicle event sharing device 20 is implemented in the form of a server, it may be implemented in the form of, for example, a cloud server, a web server, a database server, a proxy server, etc., and a network load balancing mechanism, or a service device One or more of a variety of software that enables operation on the Internet or other networks may be installed, and may be implemented as a computerized system through this.

The vehicle event sharing device 20 communicates with each vehicle based on V2N (Vehicle to Nomadic Devices) communication technology, through which the location information of each vehicle is periodically collected and the current location of each vehicle is displayed on a map. It supports the function of converting map coordinates to match.

Of course, a component for service monitoring may exist in the vehicle event sharing device 20.

On the other hand, in this regard, a terminal supporting each communication function may be mounted on each vehicle that performs V2N communication with the vehicle event sharing device 20, and these terminals commonly support GPS functions to provide their own location information. It is premised that it can be delivered periodically.

Here, as a V2N communication technology, for example, MQTT (MQ Telemetry Transport) protocol may be applied.

In the see-through service environment according to an embodiment of the present invention, according to the application of the MQTT (MQ Telemetry Transport) protocol, a message broker (10: MB, Message Broker) may be further included.

In addition, in the see-through service environment according to an embodiment of the present invention, a media server 30 (MS, Media Server), which is a component for managing event images captured by a vehicle, and an intelligent transportation system 40 operated by each local government: ITS, Intelligent Transportation Systems) may be further included.

In the see-through service environment according to an embodiment of the present invention, through the above-described configuration, it is possible to effectively share the event image captured by the preceding vehicle with the following vehicles on the event occurrence path. The configuration of the vehicle event sharing device 20 will be described in more detail.

2 schematically shows the configuration of a vehicle event sharing device 20 according to an embodiment of the present invention.

As shown in FIG. 2, the vehicle event sharing apparatus 20 according to an embodiment of the present invention includes an acquisition unit 21 for obtaining media identification information, and a transmission unit 22 for transmitting event information. I can.

The entire configuration or at least a portion of the vehicle event sharing device 20 may be implemented in the form of a hardware module or a software module, or may be implemented in a form in which a hardware module and a software module are combined.

Here, the software module may be understood as, for example, an instruction executed by a processor that processes an operation in the vehicle event sharing device 20, and such a command is mounted in a separate memory in the vehicle event sharing device 20. It can have a shape.

On the other hand, it may have a configuration further including a communication unit 23, which is an RF module in charge of a practical communication function with each component in the service environment according to an embodiment of the present invention.

Here, the communication unit 23 includes, for example, an antenna system, an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a codec chipset, and a memory, but is not limited thereto. Any known circuit to perform may be included.

As described above, the vehicle event sharing apparatus 20 according to an embodiment of the present invention may share an event image between vehicles through the above-described configuration.

On the other hand, in the see-through service environment according to an embodiment of the present invention, for example, a vehicle to nomadic devices to vehicle (V2N2V) see-through service method that shares an event image captured according to an event detection in a preceding vehicle with a following vehicle. It can be divided into a service (①) and a V2N (Vehicle to Nomadic Devices) see-through service (②), which is a service method that shares an event image captured according to an instruction from the vehicle event sharing device 30 with a subsequent vehicle.

Therefore, in the following, for convenience of description, each service method will be classified and described.

First, each configuration in the vehicle event sharing device 20 for realizing the V2N2V see-through service method (①) according to an embodiment of the present invention will be described.

The acquisition unit 21 is responsible for acquiring media identification information.

More specifically, the acquisition unit 21 acquires media identification information issued to access the event image captured by the image transmission vehicle.

Here, the image transmitting vehicle refers to a vehicle that photographs an event image, which is an image corresponding to an event (eg, sudden stop, congestion, impact) occurrence point, and may be understood as a preceding vehicle on a path in which the event occurs.

In this case, the acquisition unit 21 may acquire media identification information issued for the event image captured by the image transmitting vehicle according to the detection of the occurrence of the event in the image transmitting vehicle.

In other words, the acquisition unit 21 may acquire media identification information issued by the media server 30 for an event image received from the image transmission vehicle through the image transmission vehicle.

In this regard, FIG. 3 exemplarily shows a service flow according to the V2N2V see-through service method.

Referring to FIG. 3 for a moment, in the above-described process of acquiring media identification information, an image transmission vehicle (SOV) captures an event image at a corresponding point in response to an event occurrence and transmits it to the media server 30 (a, b). , When the receiving media server 30 issues media identification information that can access the received event video and responds (c, d), the video transmission vehicle (SOV) sends event information including media identification information to the message broker. It can be understood as a process (e, f) until transmission to the vehicle event sharing device 20 through (10: MB, Message Broker).

The transmission unit 22 is responsible for a function of selecting an image receiving vehicle.

More specifically, when the media identification information for the event image captured by the image transmitting vehicle is acquired, the transmission unit 22 is the path where the event occurs based on at least one of the event type and map coordinates matching the location of each vehicle. At least some of the vehicles on the image are selected as video receiving vehicles.

At this time, the transmission unit 22 refers to the map coordinates resulting from map matching between the type of the event and the location information of each vehicle, and at least a part corresponding to the following vehicle with respect to the event occurrence point among the vehicles on the route (road) where the event has occurred. Vehicles can be selected as video receiving vehicles.

Here, a criterion for selecting an image receiving vehicle among vehicles on a path (road) in which an event has occurred may include, for example, a distance reference from the event occurrence point to a following vehicle, and such a distance criterion is an event type (eg: Of course, it may vary depending on the sudden stop, congestion, shock) and the scale of the event.

Meanwhile, the above-described process of selecting an image receiving vehicle is a process of selecting an image receiving vehicle (SIV1, SIV2) among vehicles on a path (road) in which an event has occurred by referring to the map matching result in FIG. 3 (g) Can be understood as

In addition, the transmission unit 22 is responsible for transmitting event information.

More specifically, when the selection of the image receiving vehicle is completed, the transmission unit 22 transmits event information including media identification information to the image receiving vehicle.

At this time, the transmission unit 22 transmits the event information to the video receiving vehicle through the message broker 10, and the video receiving vehicle receiving it transmits the event video corresponding to the media identification information in the event information to the media server 30 ) Can be received and displayed.

Here, it should be noted that the media identification information is transmitted to the selected video receiving vehicle to induce event video reception through access to the media server 30.

In this case, even if there are a plurality of image receiving vehicles, it is possible to receive event images through individual media server 30 access. This means that event images can be efficiently used for a plurality of image receiving vehicles reflecting the actual road environment. It means that distribution (sharing) is possible.

For reference, in the case of event video provided by the media server 30 as described above, various formats such as still cut, edited video, and streaming can be supported, and the format of the event video is the transmission capacity according to the communication environment of the event occurrence area. Etc. can be chosen to determine.

Meanwhile, in the process of sharing the event image described above, by referring to the map matching result in FIG. 3 illustrated above, the road information (map coordinates) on which the event image was photographed is transmitted to the media server 30 and registered (h), and the image Event information is delivered to the receiving vehicle (SIV1, SIV2) through the message broker 10 (i, j), and the video receiving vehicle (SIV1, SIV2) that has received it receives the event video matched with the media identification information. It can be understood as the process of marking (k~m).

In the above, after the description of the V2N2V see-through service method (①) according to an embodiment of the present invention is finished, each configuration in the vehicle event sharing device 20 for realizing the V2N see-through service (②) will be described. It should be.

The acquisition unit 21 is responsible for acquiring media identification information.

More specifically, the acquisition unit 21 acquires media identification information issued to access the event image captured by the image transmission vehicle.

Here, the image transmitting vehicle refers to a vehicle that photographs an event image, which is an image corresponding to an event (eg, sudden stop, congestion, impact) occurrence point, and may be understood as a preceding vehicle on a path in which the event occurs.

At this time, the acquisition unit 21 detects the occurrence of an event from the event information received from other vehicles and the intelligent transportation system 40, and instructs the video transmission vehicle located at the event occurrence point to collect the image through the message broker 10 (Order).

Here, there may be a plurality of event information received from the vehicle and the intelligent transportation system 40, and in this case, one event information determined to require an event image may be selected according to a predefined event priority.

It goes without saying that the event priority may be defined in various ways in consideration of, for example, the type of the event, the size of the event, and the amount of traffic in the area where the event occurs.

In this regard, FIG. 4 exemplarily shows a service flow according to a V2N see-through service method.

Referring to this, the process of transmitting the above-described image collection instruction is by receiving a plurality of event information from event information from other vehicles (SOV) and intelligent transportation system 40 (a to d), and pre-defined event priority. Selects one event information determined to require an event video according to (e), and instructs the video transmission vehicle (SOV1, SOV2) located at the event occurrence point to collect video through the message broker 10 (command ) It can be understood as a process (f~h).

In this case, the acquisition unit 21 may acquire media identification information issued by the media server 30 for an event image photographed and received from the image transmission vehicle according to the information collection instruction through the image transmission vehicle.

Referring to FIG. 4 exemplified above, in the case of acquiring the above-described media identification information, the image transmission vehicles SOV1 and SOV2 capture an event image at a corresponding point according to the information collection instruction and send it to the media server 30. After transmitting (i), when the media server 30 receiving it issues media identification information that can access the received event video and responds (j, k), the video transmitting vehicles (SOV1, SOV2) send the media identification information. It may be understood as a process (l, m) until the included event information is transmitted to the vehicle event sharing device 20 through the message broker 10.

The transmission unit 22 is responsible for a function of selecting an image receiving vehicle.

More specifically, when the media identification information for the event image captured by the image transmitting vehicle is acquired, the transmission unit 22 is the path where the event occurs based on at least one of the event type and map coordinates matching the location of each vehicle. At least some of the vehicles on the image are selected as video receiving vehicles.

At this time, the transmission unit 22 refers to the map coordinates resulting from map matching between the type of the event and the location information of each vehicle, and at least a part corresponding to the following vehicle with respect to the event occurrence point among the vehicles on the route (road) where the event has occurred. Vehicles can be selected as video receiving vehicles.

Here, a criterion for selecting an image receiving vehicle among vehicles on a path (road) in which an event has occurred may include, for example, a distance reference from the event occurrence point to a following vehicle, and such a distance criterion is an event type (eg: Of course, it may vary depending on the sudden stop, congestion, and shock).

Meanwhile, when the event image is captured by a plurality of image transmission vehicles prior to selecting the image receiving vehicle as described above, the transmission unit 22 may select only some of the received images through analysis of the event image.

Here, since the analysis of the event image can be understood as an image analysis using, for example, machine learning, this may be understood as a pre-processing process for removing unnecessary images that do not accurately represent the event situation from the event image.

For reference, this image analysis process corresponds to the process (o) of selecting an event image in FIG. 4 exemplified above.

In addition, the transmission unit 22 is responsible for transmitting event information.

More specifically, when the selection of the image receiving vehicle is completed, the transmission unit 22 transmits event information including media identification information to the image receiving vehicle.

At this time, the transmission unit 22 transmits the event information to the video receiving vehicle through the message broker 10, and the video receiving vehicle receiving it transmits the event video corresponding to the media identification information in the event information to the media server 30 ) Can be received and displayed.

Here, it should be noted that the media identification information is transmitted to the selected video receiving vehicle to induce event video reception through access to the media server 30.

In this case, even if there are a plurality of image receiving vehicles, it is possible to receive event images through individual media server 30 access. This means that event images can be efficiently used for a plurality of image receiving vehicles reflecting the actual road environment. It means that distribution (sharing) is possible.

For reference, in the case of event video provided by the media server 30 as described above, various formats such as still cut, edited video, and streaming can be supported, and the format of the event video is the transmission capacity according to the communication environment of the event occurrence area. Etc. can be chosen to determine.

Meanwhile, in the process of sharing the event video described above, event information is transmitted through the message broker 10 to the video receiving vehicles (SIV1, SIV2) selected in FIG. 4 (o, p), and received. It may be understood as a process (q to s) until the image receiving vehicles SIV1 and SIV2 receive and display the event image matched with the media identification information.

As described above, according to the configuration of the vehicle event sharing device 20 according to an embodiment of the present invention, in the C-V2X (Cellular Vehicle to Everything) based see through service environment, the precedence of the event occurrence point Since a method for effectively sharing an event image captured by a vehicle with a plurality of trailing vehicles on an event occurrence path is proposed, it is possible to achieve an effect of improving the driving stability and convenience of the vehicle.

Hereinafter, a description of the operation method of the vehicle event sharing device 20 will be continued.

First, a method of operating the vehicle event sharing apparatus 20 according to the V2N2V see-through service method according to an embodiment of the present invention will be described with reference to FIG. 5.

First, the acquisition unit 21 acquires media identification information issued for the event image captured by the image transmitting vehicle according to the detection of the occurrence of the event in the image transmitting vehicle (S11).

In this case, the acquisition unit 21 may acquire media identification information issued by the media server 30 for the event image received from the image transmission vehicle through the image transmission vehicle.

In the above-described process of obtaining media identification information, in the image transmission vehicle (SOV) in FIG. 3 exemplified above, an event image at a corresponding point is photographed and transmitted to the media server 30 (a, b), When the receiving media server 30 issues media identification information that can access the received event video and returns (c, d), the video transmission vehicle (SOV) sends event information including the media identification information to the message broker ( 10: MB, Message Broker) can be understood as a process (e, f) up to transmission to the vehicle event sharing device 20.

Then, when the media identification information for the event image captured by the image transmitting vehicle is acquired, the transmission unit 22 is based on at least one of the event type and map coordinates matching the location of each vehicle on the path where the event occurs. At least some of the vehicles are selected as the image receiving vehicle (S12).

At this time, the transmission unit 22 refers to at least a part of the vehicle following the event occurrence point among the vehicles on the route (road) where the event occurred, referring to the map coordinates resulting from map matching of the type of event and the location information of each vehicle. Vehicles can be selected as video receiving vehicles.

Here, a criterion for selecting an image receiving vehicle among vehicles on a path (road) in which an event has occurred may include, for example, a distance reference from the event occurrence point to a following vehicle, and such a distance criterion is an event type (eg: Of course, it may vary depending on the sudden stop, congestion, shock) and the scale of the event.

The process of selecting such an image receiving vehicle will be understood as a process (g) of selecting an image receiving vehicle (SIV1, SIV2) among vehicles on the path (road) in which the event has occurred by referring to the map matching result in FIG. 3 illustrated above. I can.

Thereafter, when the selection of the image receiving vehicle is completed, the transmission unit 22 transmits event information including media identification information to the image receiving vehicle (S13).

At this time, the transmission unit 22 transmits the event information to the video receiving vehicle through the message broker 10, and the video receiving vehicle receiving it transmits the event video corresponding to the media identification information in the event information to the media server 30 ) Can be received and displayed.

For reference, in the case of event video provided by the media server 30 as described above, various formats such as still cut, edited video, and streaming can be supported, and the format of the event video is the transmission capacity according to the communication environment of the event occurrence area. Etc. can be chosen to determine.

In the above-described process of sharing the event image, by referring to the map matching result in FIG. 3 illustrated above, the road information (map coordinates) on which the event image was photographed is transmitted to the media server 30 and registered (h), and the image is received. Event information is delivered to vehicles (SIV1, SIV2) through the message broker 10 (i, j), and the video receiving vehicles (SIV1, SIV2) that have received it receive and display event images matched with media identification information. It can be understood as a process up to the following (k ~ m).

Next, a method of operating the vehicle event sharing device 20 for realizing a V2N see-through service according to an embodiment of the present invention will be described with reference to FIG. 6.

First, the acquisition unit 21 detects the occurrence of an event from event information received from other vehicles and the intelligent transportation system 40, and instructs the video transmission vehicle located at the event occurrence point to collect an image through the message broker 10. (Order) (S21).

In this case, when there are a plurality of event information received from the vehicle and the intelligent transportation system 40, the acquisition unit 21 may select one event information determined to require an event image according to a predefined event priority.

Here, the priority of the event may be defined in various ways in consideration of, for example, the type of the event, the size of the event, and the amount of traffic in the area where the event occurs.

In the process of transmitting such an image collection instruction, by receiving a plurality of event information from event information from other vehicles (SOV) and intelligent transportation system 40 (a to d), event images are displayed according to a predefined event priority. The process of selecting one event information judged to be necessary (e), and instructing (command) video collection through the message broker 10 for the video transmission vehicles (SOV1, SOV2) located at the event occurrence point. It can be understood as (g, h).

Then, the acquisition unit 21 acquires, through the image transmission vehicle, media identification information issued by the media server 30 for the event image photographed and received from the image transmission vehicle according to the information collection instruction (S21).

In the process of acquiring such media identification information, in FIG. 4 exemplified above, the image transmission vehicles SOV1 and SOV2 capture an event image at a corresponding point according to an information collection instruction and transmit it to the media server 30 (i) , When the receiving media server 30 issues media identification information capable of accessing the received event video and returns (j, k), the video transmitting vehicles (SOV1, SOV2) send event information including the media identification information. It can be understood as a process (l, m) up to transmission to the vehicle event sharing device 20 through the message broker 10.

Furthermore, when the media identification information for the event image captured by the image transmitting vehicle is acquired, the transmission unit 22 is a vehicle on the path where the event is generated based on at least one of the event type and map coordinates matching the location of each vehicle. At least some of them are selected as the image receiving vehicle (S22).

At this time, the transmission unit 22 refers to the map coordinates resulting from map matching between the type of the event and the location information of each vehicle, and at least a part corresponding to the following vehicle with respect to the event occurrence point among the vehicles on the route (road) where the event has occurred. Vehicles can be selected as video receiving vehicles.

Here, a criterion for selecting an image receiving vehicle among vehicles on a path (road) in which an event has occurred may include, for example, a distance criterion from an event occurrence point to a following vehicle, and this distance criterion is an event type (eg: Of course, it may vary depending on the sudden stop, congestion, and shock).

Meanwhile, when the event image is captured by a plurality of image transmission vehicles prior to selecting the image receiving vehicle as described above, the transmission unit 22 may select only some of the received images through analysis of the event image.

Here, since the analysis of the event image can be understood as an image analysis using, for example, machine learning, this may be understood as a pre-processing process for removing unnecessary images that do not accurately represent the event situation from the event image.

This image analysis process corresponds to the process (n) of selecting an event image in FIG. 4 exemplified above.

Thereafter, when the selection of the image receiving vehicle is completed, the transmission unit 22 transmits event information including media identification information to the image receiving vehicle (S25).

At this time, the transmission unit 22 transmits the event information to the video receiving vehicle through the message broker 10, and the video receiving vehicle receiving it transmits the event video corresponding to the media identification information in the event information to the media server 30 ) Can be received and displayed.

For reference, in the case of event video provided by the media server 30 as described above, various formats such as still cut, edited video, and streaming can be supported, and the format of the event video is the transmission capacity according to the communication environment of the event occurrence area. Etc. can be chosen to determine.

In the process of sharing the event video, event information is transmitted to the video receiving vehicle (SIV1, SIV2) selected in FIG. 4 through the message broker 10 (o, p), and the video receiving vehicle that has received it (SIV1, SIV2) may be understood as a process (q~s) from receiving and displaying the event image matched with the media identification information.

As described above, according to the operating method of the vehicle event sharing device 20 according to an embodiment of the present invention, in a C-V2X (Cellular Vehicle to Everything) based see through service environment, the event occurrence point Since a method for effectively sharing an event image captured by a preceding vehicle with a plurality of following vehicles on an event occurrence path is proposed, it is possible to achieve an effect of improving the driving stability and convenience of the vehicle.

Meanwhile, the method of operating the vehicle event sharing apparatus 20 according to an embodiment of the present invention may be implemented in the form of program commands that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be specially designed and configured for the present invention, or may be known and usable to those skilled in computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks. -A hardware device specially configured to store and execute program instructions such as magneto-optical media, and ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language codes such as those produced by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operation of the present invention, and vice versa.

Although the present invention has been described in detail with reference to preferred embodiments so far, the present invention is not limited to the above-described embodiments, and the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the following claims. Anyone of ordinary skill in the art will say that the technical idea of the present invention extends to the range in which various modifications or modifications are possible.

According to an operation method of the vehicle event sharing device and the vehicle event sharing device according to the present invention, an event image captured by a preceding vehicle at an event occurrence point in a C-V2X (Cellular Vehicle to Everything) based see through service environment is evented. In the sense that it can be effectively shared with a plurality of trailing vehicles along the path of occurrence, as it exceeds the limitations of existing technologies, the possibility of marketing or sales of applied devices is sufficient, as well as practically and clearly implemented, as it exceeds the limitations of the existing technology. As it can be done, it is an invention that has industrial applicability.

10: message broker
20: Vehicle event sharing device
21: acquisition unit 22: transmission unit
30: Media Server
40: intelligent transportation system

Claims (12)

An acquisition unit that acquires media identification information capable of accessing the event image captured by the image transmission vehicle; And
Including a transmission unit for transmitting event information including the media identification information by selecting at least some of the vehicles on the route where the event has occurred based on at least one of the map coordinates matching the event type and the location of each vehicle as an image receiving vehicle. Vehicle event sharing device, characterized in that. The method of claim 1,
The acquisition unit,
And acquiring media identification information for the event image captured by the image transmitting vehicle according to the detection of the occurrence of the event in the image transmitting vehicle. The method of claim 1,
The acquisition unit,
Vehicle event, characterized in that by instructing the image transmission vehicle located at the event occurrence point to collect an image according to the detection of the occurrence of an event, and obtaining media identification information for the event image captured by the image transmission vehicle according to the instruction. Shared device. The method of claim 3,
The acquisition unit,
Vehicle event sharing device, characterized in that detecting the occurrence of an event through at least one of a vehicle and an intelligent transportation system (ITS, Intelligent Transportation Systems). The method of claim 1,
The acquisition unit,
A vehicle event sharing device, characterized in that acquiring the media identification information issued by a media server for an event image received from the video transmitting vehicle through the video transmitting vehicle. The method of claim 1,
The delivery unit,
A vehicle event sharing device, characterized in that for selecting at least some vehicles corresponding to the following vehicles as the image receiving vehicle with respect to the event occurrence point among vehicles on the path in which the event occurs. An acquisition step of acquiring media identification information capable of accessing the event image captured by the image transmitting vehicle; And
Including a transmission step of selecting at least some of the vehicles on the route where the event has occurred as an image receiving vehicle based on at least one of the map coordinates matching the event type and the location of each vehicle and transmitting the event information including the media identification information. A method of operating a vehicle event sharing device, characterized in that. The method of claim 7,
The acquisition step,
The method of operating a vehicle event sharing apparatus, comprising acquiring media identification information for an event image captured by the video transmitting vehicle according to the detection of occurrence of an event in the video transmitting vehicle. The method of claim 7,
The acquisition step,
Vehicle event, characterized in that by instructing the image transmission vehicle located at the event occurrence point to collect an image according to the detection of the occurrence of an event, and obtaining media identification information for the event image captured by the image transmission vehicle according to the instruction. How to operate the shared device. The method of claim 9,
The acquisition step,
A method of operating a vehicle event sharing device, characterized in that the occurrence of an event is detected through at least one of a vehicle and an intelligent transportation system (ITS). The method of claim 7,
The acquisition step,
The method of operating a vehicle event sharing apparatus, comprising acquiring the media identification information issued by a media server for an event image received from the video transmitting vehicle through the video transmitting vehicle. The method of claim 7,
The delivery step,
A method of operating a vehicle event sharing apparatus, comprising selecting at least some vehicles corresponding to a vehicle following an event among vehicles on a path in which an event occurs as an image receiving vehicle.

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