KR102144778B1 - System and method for providing real-time updated road information - Google Patents

Abstract

A method for providing updated road information in real time according to an embodiment is a method of periodically receiving information on surrounding public transportation vehicles from public transportation vehicles and providing real-time updated road information based on the collected information on surrounding public transportation vehicles, Periodically acquiring the surrounding information of the public transportation vehicle including the surrounding situation and location information of the public transportation vehicle; Comparing the surrounding information of the public transportation vehicle with previously stored road information; Detecting a change factor in the surrounding information of the public transportation vehicle for the previously stored road information; Updating the previously stored road information by adding the change factor; And providing the updated road information to the client or the public transportation vehicle.

Description

Real-time updated road information provision method and system {SYSTEM AND METHOD FOR PROVIDING REAL-TIME UPDATED ROAD INFORMATION}

The present invention relates to a real-time updated road information providing method and system. More specifically, it relates to a method and system for updating real-time road information and providing updated road information using a public transportation vehicle.

In general, public transportation vehicles such as buses play a role of transporting passengers at a certain stop to other random stops by stopping at a stop installed at appropriate intervals along a certain driving route at regular dispatch intervals.

Therefore, since a public transportation vehicle, for example, a bus periodically moves a certain driving route, it is possible to collect the surrounding information of the driving route at regular time intervals through a plurality of buses of the same route.

On the other hand, in the related art, it took a considerable amount of time to detect information on obsolete road facilities or road damage, such as portholes, road cracks, and lane painting conditions, and take appropriate measures.

Accordingly, there was a high possibility that an accident could occur on a road that did not receive appropriate measures within a short time.

In addition, there may be a problem in that the risk is accumulated by neglecting obsolete road facilities or road damage information without being discovered.

Moreover, there is also a problem in that illegal parking and stopping vehicles, which worsen road conditions, are not frequently carried out. Accordingly, the route of the public transport vehicle cannot be secured smoothly, and the overall operation of public transport may be adversely affected. In addition, it has the potential to increase the risk of accidents by affecting the overall road operation situation.

In addition, the possibility of accidents is richer on relatively underdeveloped and narrow roads, but in such an area, the infrastructure for detecting and repairing underdeveloped facilities is also insufficient and there is a problem that it is not properly managed.

In addition, the necessity to appropriately respond to not only static road surroundings, but also dynamic road surroundings such as prediction of the number of passengers waiting for boarding has increased, but a suitable system has not been commercialized.

Accordingly, there is an increasing need for a system capable of handling the overall road situation flexibly and quickly by acquiring comprehensive information around the road.

KR 15-43342 B1 KR 10-2015-0012384 A KR 17-68380 B1

The present invention has been conceived to solve the above-described problems, and an object of the present invention is to propose a method and system for providing updated road information in real time to obtain and utilize updated road information in real time using a public transportation vehicle.

In detail, an object of the present invention is to obtain information around a public transport vehicle using a public transport vehicle assist device and transmit it to a road information providing server to update road information in real time.

In another aspect, an object of the present invention is to provide a method and system in which various client servers and terminals can receive and utilize real-time road information provided by a road information providing server.

A method of providing updated road information in real time according to an embodiment is a method of periodically receiving information on surrounding public transport vehicles from public transport vehicles and providing real-time updated road information based on the received information on surrounding public transport vehicles, Periodically acquiring the surrounding information of the public transportation vehicle including the surrounding situation and location information of the public transportation vehicle; Comparing the surrounding information of the public transportation vehicle with previously stored road information; Detecting a change factor in the surrounding information of the public transportation vehicle for the previously stored road information; Updating the previously stored road information by adding the change factor; And providing the updated road information to the client or the public transportation vehicle.

In this case, the information on the surroundings of the public transportation vehicle may include an image photographed around the public transportation vehicle while the public transportation vehicle is running.

In addition, it may further include the step of determining the reliability of the obtained information around the public transportation vehicle.

In addition, the method may further include classifying the object included in the information around the public transportation vehicle whose reliability has been confirmed into a dynamic object and a static object.

In addition, the dynamic object is an object having mobility within the information around the public transportation vehicle, and may be at least one of a vehicle, a person, or an animal disposed around the public transportation vehicle.

In addition, the change factor is information on the number of people in the platform around the public transportation vehicle, and the step of updating the previously stored road information includes updating the number of waiting people in the platform, , Providing the updated road information to the public transport vehicle may include transmitting the number of passengers waiting to be boarded to a public transport vehicle that is subsequently operated.

In addition, the static object is an object that has no mobility in the information around the public transportation vehicle, and may be at least one of a road around the public transportation vehicle, a road facility, a traffic signal, or a stopped vehicle.

In addition, the change factor is an object representing road surface damage around the public transportation vehicle, and the updating of the previously stored road information includes adding information on the road surface damage object to the previously stored road information. Includes.

In addition, the providing of the updated road information to the public transportation vehicle includes transmitting the updated road information on the road damaged object to a road management client.

In addition, the server for providing real-time updated road information according to an embodiment periodically receives information on surrounding public transportation vehicles from public transportation vehicles and provides real-time updated road information based on the received information on surrounding public transportation vehicles. A real-time updated road information providing server, comprising: a data collection unit that periodically acquires surrounding information of the public transportation vehicle including information on the surrounding situation and location of the public transportation vehicle; A data comparison unit for comparing the surrounding information of the public transport vehicle with previously stored road information, and detecting a change factor in the surrounding information of the public transport vehicle with respect to the previously stored road information; A data update unit for updating the previously stored road information by adding the change factor; And a data distribution unit providing the updated road information to a client or the public transportation vehicle.

In this case, it may further include a reliability check unit for determining the reliability of the obtained information around the public transportation vehicle.

In addition, it may further include a data classification unit for classifying the object included in the reliability of the public transportation vehicle surrounding information into a dynamic object and a static object.

In addition, a public transport vehicle that periodically drives a designated route and generates information about a public transport vehicle surrounding the surrounding situation and location information; A road information providing server that periodically receives information about the public transportation vehicle surroundings from the public transportation vehicles, and provides real-time updated road information based on the received public transportation vehicle surrounding information; And a client server receiving the real-time updated road information from the road information providing server.

The real-time updated road information providing method according to an embodiment can generate the latest road information by updating existing road information in real time based on information periodically collected through public transportation vehicles, and smoothly based on such road information. It can assist in maintaining a comfortable road condition or driving a public transport vehicle.

In detail, the method for providing updated road information in real time according to the embodiment is to quickly and effectively acquire information on obsolete road facilities or road damage existing on the road through public transportation vehicles and various devices and systems, and transmit it to the road management server. By doing so, it can be processed and managed.

In addition, the real-time updated road information providing method according to an embodiment may provide a function of classifying and analyzing a dynamic object and a static object, and may provide the generated road information data to be monitored by a user.

1 is a conceptual diagram of a real-time road information update system according to an embodiment of the present invention.
2 is an internal block diagram of an auxiliary apparatus for a public transportation vehicle according to an embodiment of the present invention.
3 shows the appearance of a public transportation vehicle according to an embodiment of the present invention.
4 shows an interior view of a public transportation vehicle according to an embodiment of the present invention.
5 shows an AVM screen of a bus management terminal for a public transportation vehicle according to an embodiment of the present invention.
6 is an internal block diagram of a road information providing server according to an embodiment of the present invention.
7 shows a client server and a client terminal according to an embodiment of the present invention.
8 is a flowchart illustrating a method of providing real-time updated road information according to an embodiment of the present invention.
9 shows a situation in which an auxiliary device of a first bus according to an embodiment of the present invention detects a porthole.
10 shows a screen of a client terminal outputting a porthole detected by an auxiliary device of a first bus according to an embodiment of the present invention, updated on a map.
11 shows a situation in which an auxiliary device for a second bus according to an embodiment of the present invention checks a state in which a porthole is repaired.
12 shows a screen displayed by updating a result of confirming a state in which a porthole has been repaired by an auxiliary device for a second bus according to an embodiment of the present invention, and outputting it to a map.
13 is a screen outputting an AVM screen of an illegally parked vehicle photographed by a public transportation vehicle auxiliary device according to an embodiment of the present invention.

Since the present invention can apply various transformations and have various embodiments, specific embodiments are illustrated in the drawings and will be described in detail in the detailed description. Effects and features of the present invention, and a method of achieving them will be apparent with reference to the embodiments described later in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various forms. In the following embodiments, terms such as first and second are used for the purpose of distinguishing one constituent element from other constituent elements rather than a limiting meaning. In addition, expressions in the singular include plural expressions unless the context clearly indicates otherwise. In addition, terms such as include or have means that the features or elements described in the specification are present, and do not preclude the possibility of adding one or more other features or elements. In addition, in the drawings, the size of components may be exaggerated or reduced for convenience of description. For example, the sizes and thicknesses of each component shown in the drawings are arbitrarily shown for convenience of description, and thus the present invention is not necessarily limited to what is shown.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, and when describing with reference to the drawings, the same or corresponding constituent elements are assigned the same reference numerals, and redundant descriptions thereof will be omitted. .

1 is a conceptual diagram of a real-time road information update system according to an embodiment of the present invention.

1, a real-time road information update system according to an embodiment of the present invention includes a client server 100, a road information providing server 300, and a public transport vehicle 500 (or a public transport vehicle management device). Can include.

-Client server (100)

First, the client server 100 according to the embodiment may receive the road information data updated in real time from the road information providing server 300 and output it to the client terminal.

-Here, the client server 100 may include a road management server, a traffic control server, a police agency server, a regional structure management server, a public transport vehicle management terminal server, a local government server, and the like.

-Public transportation vehicle (500)

2 is an internal block diagram of an auxiliary apparatus for a public transportation vehicle according to an embodiment of the present invention, FIG. 3 is an exterior view of a public transportation vehicle 500 according to an embodiment of the present invention, and FIG. 4 is an embodiment of the present invention. Shows the interior of the public transport vehicle 500 according to, and Figure 5 shows the AVM screen of the bus management terminal of the public transport vehicle 500 according to an embodiment of the present invention.

Hereinafter, the public transportation vehicle 500 is a bus that serves to transport passengers at a certain stop to other random stops by stopping at a stop installed at appropriate intervals along a certain driving route at regular dispatch intervals. ), but it will be included in the present invention as long as a person skilled in the art can apply to a taxi, train, or train carrying passengers.

Referring to FIGS. 2 to 3, the bus may include a wheel rotating by a power source and a public transportation vehicle auxiliary device 500 that provides a function of assisting the bus operation to a driver.

Such a bus may provide a function of acquiring real-time updated road information by interworking with the road information providing server 300 and the client server 100.

In detail, in an embodiment, the bus may collect information around the bus and transmit it to the road information providing server 300.

In addition, the updated road information data from the road information providing server 300 can be received and displayed, and real-time road information can be output and guided to drivers and passengers in the bus, through which smooth road conditions can be maintained and managed. I can assist.

In the following description, it will be described as providing the above-described real-time updated road information by interworking with the road information providing server 300 and the client server 100 by the public transport vehicle auxiliary device 500 installed on the bus.

In this case, the public transportation vehicle auxiliary device 500 is a separate device provided on the bus, and it will be described as performing a bus operation auxiliary function by exchanging necessary information through data communication with components of the bus. According to an embodiment, a set of some of the units of the bus may be defined as the public transportation vehicle auxiliary device 500.

And when the public transportation vehicle auxiliary device 500 is a separate device, at least some of the units (see FIG. 2) of the public transportation vehicle auxiliary device 500 are not included in the public transportation vehicle auxiliary device 500, It may be a unit of a bus or other device mounted on the bus. In addition, these external units may be understood to be included in the public transportation vehicle auxiliary apparatus 500 by transmitting and receiving data through the interface unit 540 of the public transportation vehicle auxiliary apparatus 500.

Referring to Figure 2, the public transport vehicle auxiliary device 500 according to the embodiment, a communication unit 510, a bus management terminal 520, a guide output unit 530, an interface unit 540, a sensor 550, A camera 560, a monitoring unit 570, a storage unit 580, and a processor 590 may be included. However, the units of the public transportation vehicle auxiliary device 500 shown in FIG. 2 are not essential in implementing the public transportation vehicle auxiliary device 500, so the public transportation vehicle auxiliary device 500 described in the present specification is It may have more or fewer components than the listed components.

Next, the public transportation vehicle auxiliary device 500 may include a communication unit 510 communicating with a road information providing server 300, a client server 100, and other external devices.

In detail, the communication unit 510 may transmit the bus surrounding information to the road information providing server 300 and receive updated road information through the bus surrounding information from the road information providing server 300.

In addition, the communication unit 510 receives at least one of location information, weather information, and road traffic information (eg, TPEG (Transport Protocol Expert Group)) from the client server 100 and/or other servers. can do.

In addition, the communication unit 510 may receive traffic information from an external server equipped with an intelligent traffic system (ITS). Here, the traffic information may include traffic signal information, lane information, vehicle surrounding information, or location information.

In addition, the communication unit 510 may transmit navigation information from an external server and/or a client server 100. Here, the navigation information may include at least one or more of map information related to bus driving, lane information, bus location information, set destination information, and route information according to the destination.

For example, the communication unit 510 may receive a real-time location of a bus as navigation information. In detail, the communication unit 510 may acquire the location of the bus by including a Global Positioning System (GPS) module and/or a Wireless Fidelity (WiFi) module.

The communication unit 510 may exchange data with the client server 100 or an external server in a wireless manner.

In detail, the communication unit 510 may perform wireless communication with the outside using a wireless data communication method, wireless Internet technology, short range communication, or the like.

Next, the public transportation vehicle auxiliary device 500 may include a bus management terminal 520 disposed around a bus driver to provide an input/output interface.

In detail, the bus management terminal 520 may collect and display information around the bus and provide it to the bus driver.

In addition, the bus management terminal 520 may display road information updated in real time through the bus surrounding information.

In addition, the bus management terminal 520 may also include an input module to selectively output necessary information according to a driver's manipulation, and may receive an input for changing information related to bus management.

In addition, the bus management terminal 520 may include a communication unit 510, an interface unit 540, and a processor 590 to form the main body of the public transportation vehicle auxiliary device 500.

Such a bus management terminal 520 includes a smart phone, a mobile phone, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation system, a tablet PC, a wearable device. ) And smart glass.

Next, the guide output unit 530 may be a device that outputs a graphic image or audio for guiding the bus surrounding information or road information updated in real time to the occupants inside the bus.

For example, the guide output unit 530 may be a device that outputs a current bus location included in bus surrounding information, information on a next stop to stop, and/or an expected arrival time.

In detail, referring to FIG. 4, the guide output unit 530 may include a display in which an AVM screen including bus location and bus surrounding information is output as a graphic image and/or a speaker output as audio.

In addition, the public transport vehicle auxiliary device 500 may include an interface unit 540 that transmits and receives information with bus-related and bus operation-related units.

In addition, the public transport vehicle auxiliary device 500 transmits a control signal for executing a bus operation auxiliary function or a bus driving operation signal generated by the public transport vehicle auxiliary device 500 through the interface unit 540 to the driver of the bus ( For example, it may be transmitted to a steering drive unit, an acceleration drive unit, or a brake unit).

That is, the public transportation vehicle auxiliary device 500 may perform a function of assisting the bus to be smoothly operated by controlling the bus while autonomously driving the bus in an emergency situation or when executing a bus autonomous driving function.

Next, the public transportation vehicle auxiliary device 500 may further include a sensor 550 for detecting objects around the bus.

The sensor 550 may include a distance sensor 550 that detects the position of an object located around the bus. First, the distance sensor 550 may precisely detect a position of an object, a direction in which the object is separated, a distance distance, or a movement direction of the object in the main bus. The distance sensor 550 may continuously measure the position of the detected object and accurately detect a change in the positional relationship with the present bus.

The distance sensor 550 may detect an object located in at least one of the front, rear, left and right of the bus. To this end, the distance sensor 550 may be disposed at various locations on the bus.

In detail, referring to FIG. 3, the distance sensor 550 may be disposed at at least one of the front, rear, left and right sides of the bus body and the ceiling.

The distance sensor 550 may include one or more of various distance measurement sensors such as a lidar sensor, a laser sensor, an ultrasonic waves sensor, and a stereo camera.

For example, the distance sensor 550 is a laser sensor, using a time-of-flight (TOF) and/or a phase-shift method according to a laser signal modulation method, Positional relationships between objects can be accurately measured.

Next, the public transportation vehicle auxiliary device 500 may further include a camera 560 for photographing the surroundings of the bus.

In detail, the camera 560 may photograph the surroundings of the bus, and the processor 590 may analyze the acquired image around the bus to detect an object around the bus, determine an attribute of the object, and generate image information. Here, the image information may include at least one of a type of an object, traffic signal information displayed by the object, a distance between the object and a bus, and a location of the object.

In addition, the bus surrounding image information obtained as described above may be included in the bus surrounding information.

In detail, the processor 590 detects an object in an image captured through image processing, tracks the object, measures the distance to the object, and performs object analysis such as checking the object to generate image information. I can.

The camera 560 may be provided in various positions.

In detail, referring to FIG. 3, the camera 560 includes a left camera 550b, a rear camera 550d, a right camera 550c, and a front camera 550a of the bus, respectively, and each camera 560 They can take an image on the side of the arranged direction.

In this case, the processor 590 may synthesize images captured from all directions and provide an AVM screen viewed from the top view of the bus as shown in FIG. 5. When creating an AVM screen, a boundary part between each image area occurs. The processor 590 may naturally display such a boundary portion by image blending.

In another embodiment, the camera 560 may be disposed on the ceiling of the bus to photograph the front, rear, left and right directions of the bus at once.

The camera 560 may directly include an image sensor and an image processing module. The camera 560 may process a still image or a moving picture obtained by an image sensor (eg, CMOS or CCD). In addition, the image processing module may process a still image or moving picture acquired through an image sensor, extract necessary image information, and transmit the extracted image information to the processor 590.

Next, the public transportation vehicle auxiliary device 500 may further include a monitoring unit 570 for monitoring the inside of the bus.

In an embodiment, the monitoring unit 570 may monitor a situation inside the bus and include it in the bus surrounding information.

In detail, the monitoring unit 570 may be an image sensor that photographs the interior of the bus, and in an embodiment, the image sensor may be an omnidirectional image sensor installed on the ceiling of the bus.

Such an omnidirectional image sensor, including an omnidirectional lens capable of shooting 360 degrees, senses the entire interior of the bus as a single image, so that the internal complexity of the bus, the boarding status of the users on the bus, and the users getting off the bus are You can monitor the getting off situation.

Meanwhile, the processor 590 may generate an AVM screen based on an image obtained by photographing all directions by the camera 560 and an image photographing the inside of the bus by the monitoring unit 570.

In detail, the processor 590 converts the image obtained by photographing the outer sides of the bus into a top view, converts the image inside the bus to a top view, and arranges the images converted to the top view according to the position, and the arranged images The AVM screen can be created by matching between.

For example, referring to FIG. 5, the AVM screen generated by the processor 590_ includes a front image 550ci, a rear image 550di, a left image 550bi, and a right image 550ci on the front, rear, left and right of the image. Each location can be matched and matched to be displayed.

This AVM screen may be used to accurately monitor real-time road information in the bus driver or occupant and the road information providing server 300 after that.

Referring to FIG. 13, the AVM screen generated as described above may further include a screen photographing the stopped vehicle 20.

In addition, the public transportation vehicle auxiliary device 500 may include a processor 590 that controls the above-described units.

Such processors 590 include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, It may be implemented using at least one of micro-controllers, microprocessors, and electrical units for performing other functions.

-Client

Referring to FIG. 7, the system for providing road information updated in real time may further include a client server 100 and a client terminal 150. Hereinafter, the client server 100 and the client terminal 150 will be collectively referred to as a client.

The client terminal 150 according to the embodiment may be interlocked with the client server 100 to receive and output real-time updated road information received by the client server 100 from the road information providing server 300.

In detail, the client server 100 may be a road management server, a traffic control server, a police agency server, a regional structure management server, a public transportation vehicle management terminal server, a local government server, etc., and the client terminal 150 manages each server. It may be an administrator's terminal.

For example, when the client server 100 is a road management server, the road management server interlocks with the road management server when receiving the latest road information related to road damage from the real-time updated road information providing server 300 Road information related to the road damage may be output from the client terminal 150.

Such a client terminal 150 includes a desktop PC, a notebook computer, a smart phone, a mobile phone, a digital broadcasting terminal, a personal digital assistants (PDA), a portable multimedia player (PMP), a navigation system, a tablet PC, and It may include a wearable device and smart glass.

-Road information providing server (300)

On the other hand, the road information providing server 300 collects bus surrounding information and bus information from various buses (for example, public transportation vehicle auxiliary device 500 installed on the bus) to grasp the latest road conditions of the buses' running routes. I can.

Here, the bus surrounding information may include the location of the bus from which the bus surrounding information is obtained, information on facilities or road damage around the bus, information on surrounding vehicles, and the like.

In addition, the public transportation road information providing server 300 collects and analyzes such bus surrounding information, and can be integrated and utilized as road information, and can be provided to the bus, the client server 100 and/or the client terminal 150. have.

Referring to FIG. 6, the road information providing server 300 includes a data collection unit 310, a reliability check unit 321, a data classification unit 322, a data comparison unit 323, a data update unit 324, It includes a database 330 and a data distribution unit 340.

First, in an embodiment, the data collection unit 310 may collect bus surrounding information from various buses (eg, the public transportation vehicle auxiliary device 500 installed on the bus).

At this time, the bus surrounding information collected by the public transportation vehicle auxiliary device 500 may include at least one of information about a bus surrounding image, location information, and bus characteristic information.

In addition, the data collection unit 310 may store bus peripheral information collected from various buses in a memory.

In addition, the collected and stored bus surrounding information may be transmitted to the reliability verification unit 321.

The reliability verification unit 321 may inspect and manage whether the bus surrounding information data transmitted from the data collection unit 310 is reliable data and has a useful value.

In this case, as a criterion for determining the reliability, the appropriateness between the bus surrounding information and the location information, the presence or absence of an error in the transmission/reception process, and the time required for the transmission and reception process of the bus surrounding information may be included.

In addition, the reliability verification unit 321 may transmit, to the data classification unit 322, information around the bus that has been identified as reliable data.

The data classification unit 322 may classify the bus surrounding information transmitted from the reliability checking unit 321 into a dynamic object and a static object.

In detail, the dynamic object refers to an object having mobility within the transmitted bus surrounding information, and may include, for example, vehicles, people, and animals around the bus.

In an embodiment, the public transportation vehicle auxiliary device 500 of the first bus running on the road may transmit information on a platform around an arbitrary bus to the road information providing server 300.

The road information providing server 300, which has received the information on the platforms around the bus, may be utilized to identify the number of passengers waiting to be boarded at any bus platform through the server internal operation process.

In detail, the number of passengers waiting to ride may be determined by analyzing only dynamic objects in the bus platform from the bus surrounding information data received from the road information providing server 300.

In this case, the public transportation vehicle assistance apparatus 500 of the second bus running on the road may be identified through information on the number of waiting people among the updated road information based on the bus surrounding information of the first bus ahead.

In detail, the second bus may receive the updated road information data from the road information providing server 300 through the first bus and obtain information on the number of passengers waiting for boarding of any bus platform on which the first bus has previously operated.

In addition, the static object means an object without mobility among the transmitted bus surrounding information, and may include, for example, roads around the bus, road facilities, traffic signals, and stopped vehicles.

Further, the data classification unit 322 may transmit the bus surrounding information data that has undergone the classification process to the data comparison unit 323.

The data comparison unit 323 compares and analyzes the surrounding information data transmitted from the data classification unit 322 with the road information data of the existing road information providing server 300.

In detail, the data comparison unit 323 may compare and analyze surrounding information having a dynamic object and road information data, and perform comparative analysis by matching surrounding information having a static object with road information data.

In addition, when a change that needs to be updated is identified by comparing with the existing road information data of the road information providing server 300, the corresponding bus surrounding information data may be transmitted to the data update unit 324.

The data update unit 324 may update the data transmitted from the data comparison unit 323 by updating the road information data.

In this case, a cloud method may be used as a method of updating data. That is, the road information providing server 300 may update the latest road information by updating only the changed part from the existing road information data.

In addition, the data update unit 324 may transmit the updated road information data to the database 330.

The database 330 may store updated road information data transmitted from the data update unit 324 in the database 330 of the road information providing server 300.

Also, the data may be transmitted to the data distribution unit 340.

The data distribution unit 340 may transmit the updated road information data transmitted from the database 330 to various buses (eg, the public transport vehicle auxiliary device 500 installed on the bus and the client server 100 ). .

-Real - time road information provision method

8 is a flowchart illustrating a method of providing real-time updated road information according to an embodiment of the present invention.

Here, it is assumed that the client 100 is an integrated representation of the client server 100 and the client terminal 150.

Referring to FIG. 8, the public transportation vehicle auxiliary device 500 may acquire bus surrounding information in real time and periodically transmit the acquired bus surrounding information to the road information providing server 300. (S101)

Here, the bus surrounding information may include information on facilities or road damage around the bus, surrounding vehicle information, real-time bus location, bus characteristics, and boarding status.

Further, the road information providing server 300 may periodically collect bus surrounding information from the public transportation vehicle auxiliary devices 500 under management and store it in a database. (S102)

In detail, the road information providing server 300 may temporarily store the collected bus surrounding information by dividing it by reference (eg, route, location, bus number).

In addition, the stored bus surrounding information data may include real-time surrounding information of a plurality of buses, a location, and characteristics of a bus.

That is, when the data such as real-time bus location and surrounding information is collected from the running public transport vehicle auxiliary device 500 and transmitted to the road information providing server 300, the road information providing server 300 provides the public transport vehicle auxiliary device ( 500) It is possible to temporarily store data received from the public transportation vehicle auxiliary device 500.

For example, the public transportation vehicle auxiliary device 500 may collect data on the location of the bus and surrounding information on a periodic basis (eg, 30 seconds). When data is collected, the data is transmitted from the public transportation vehicle auxiliary device 500 to the road information providing server 300 through wireless communication between the public transportation vehicle auxiliary device 500 and the road information providing server 300, and the road information providing server In 300, when data is received from the public transportation vehicle auxiliary device 500, a response signal for reception may be transmitted.

The road information providing server 300 obtained by acquiring the bus surrounding information may check the reliability of the surrounding information data for each bus received from the public transportation vehicle auxiliary device 500. (S103)

In detail, data received from the public transportation vehicle auxiliary device 500 may be temporarily stored, and it may be determined whether the received data is reliable data and has utility value.

At this time, the criterion for determining reliability may include adequacy between bus surrounding information and location information, whether an error is detected in a transmission/reception process, and time spent in a process of transmitting or receiving bus surrounding information.

If it is determined that there is reliability, the road information providing server 300 may classify the bus surrounding information data whose reliability is confirmed by dividing it into a dynamic object and a static object. (S104)

Further, the road information providing server 300 may compare and analyze the classified bus surrounding information data with existing road information data stored in the database 330 of the road information providing server 300. (S105)

In detail, the road information providing server 300 compares and analyzes the bus surrounding information having a dynamic object and the dynamic road information data of the database 330, and comparing the bus surrounding information having a static object and the database 330 Comparative analysis can be performed by matching static road information data.

In addition, when a change that needs to be updated is identified by comparing with the existing road information data of the road information providing server 300, the corresponding bus surrounding information data is updated to the road information data of the database 330 and updated. can do. (S106) As an embodiment, referring to FIG. 9, the public transportation vehicle auxiliary device 500 of the first bus 500-1 is located around the bus through the image of the camera 560 and/or the sensor 550. The porthole 10 can be detected. The public transport vehicle auxiliary device 500 that senses this may include an image of the porthole 10 and/or sensor information in the bus surrounding information and transmit it to the road information providing server 300.

The porthole 10 information of the road surface detected by the above method may be included in the bus surrounding information, and the road information providing server 300 checks the reliability of the bus surrounding information, and then the porthole 10 information from the bus surrounding information. When is detected, it can be determined as a change that needs to be updated newly by comparing it with the existing road information data.

In addition, the road information providing server 300 may update the porthole 10 information to the existing road information data to update the latest road information, and then the updated latest road information to the bus and/or the client 100 I can send it.

For example, the road information providing server 300 may generate the location of the porthole 10 through road information updated on a specific map, and provide the location of the porthole 10 to be confirmed as shown in FIG. 10.

In addition, referring to FIG. 11, in a situation where the porthole 10 is repaired, the public transportation vehicle auxiliary device 500 of the second bus 500-2 that has traveled after the first bus 500-1 is a camera ( It is possible to detect that the porthole 10 has been repaired around the bus through the image of 560 and/or the sensor 550. The public transportation vehicle auxiliary device 500 that senses this may include an image of the repaired road surface and/or sensor information in the bus surrounding information and transmit it to the road information providing server 300.

The road surface information detected by the above method may be included in the bus surrounding information, and the road information providing server 300 checks the reliability of the bus surrounding information, and then the road surface information in which the porthole 10 is repaired in the bus surrounding information. When is detected, it can be determined as a change that needs to be updated newly by comparing it with the existing road information data.

In addition, the road information providing server 300 may update the road surface information to the existing road information data to update the road information with the latest road information, and then transmit the updated road information to the bus and/or the client 100. I can.

For example, the road information providing server 300 may generate the latest updated map by deleting the porthole 10 information through the updated road information on the map displaying the location of the existing porthole 10, It can be provided so that it can be confirmed as shown in FIG. 12.

In this way, the present system may periodically receive information around a route from buses running on the same route and generate road information updated in real time based on the information.

Returning to the description of the real-time updated road information providing method, the road information providing server 300 having updated road information may store the updated road information data in the database 330. (S107)

In addition, the road information providing server 300 may transmit the updated road information data to the public transportation vehicle auxiliary device 500 and/or the client 100 as necessary.

In this case, the road information providing server 300 may determine the client 100 to transmit real-time updated road information according to the update cause, and transmit the road information and the update cause to the determined client 100 together.

For example, when the road information providing server 300 detects road damage and updates road information by including road damage information, the road management server and terminal, which are clients 100 to determine road damage, are It can be determined as the client 100 to be transmitted.

In addition, the road information providing server 300 transmits road information including the road damage information to a road management server and a terminal along with road damage guidance, so that a road management company can quickly repair the road.

In addition, the road information providing server 300 detects buses that will travel on the road with damage to the road afterwards for safety of bus operation, and guides the road damage to the public transportation vehicle auxiliary device 500 of the corresponding buses, Road information including the road damage information may be transmitted.

Thereafter, the public transport vehicle auxiliary device 500 and/or the client 100 may receive and output road information data transmitted from the road information providing server 300. (S108, S109)

In addition, the user may request and receive real-time updated road information through the client terminal 150.

For example, the client server 100 may request real-time road damage information, traffic condition information, bus operation information, etc. through the client terminal 150, and the road information providing server 300 receiving the request may include a database ( Among the road information stored in 330, road information related to the request of the client server 100 may be extracted and transmitted to the client terminal 150, and the client terminal 150 may output the information.

In this case, the client server 100 may set a situation in which real-time updated road information is required, and receive road information only when necessary.

In an embodiment, the client server 100 for managing roads may set a case where there is road damage, such as the porthole 10, as a necessary situation, and the road information providing server 300 detects the porthole 10 and When updating information, real-time updated road information can be received.

In addition, the client terminal 150 may output road information including porthole 10 information together with the porthole 10 detection alarm to assist the road manager to perform repair support suitable for the corresponding damage information.

For example, referring to FIG. 10, the client terminal 150 outputs a map showing the porthole 10 received from the client server 100 and an image photographed of the porthole 10, so that the user 10) It can be provided to recognize the occurrence and check the severity of the porthole (10).

After the repair of the porthole 10 is completed, the road information providing server 300 may confirm the completion of the repair as bus surrounding information, update the road information again, and transmit it to the client server 100.

In addition, the client server 100 may output road information including a repair status along with a road repair completion alarm through the client terminal 150 to provide the road manager to check the repair status of the road.

For example, referring to FIG. 12, it is possible to check how the client terminal 150 receives and outputs real-time road information newly updated due to the repair of the porthole 10.

That is, the road management client server 100 may check and manage road conditions by receiving real-time updated road information without establishing a separate road condition monitoring infrastructure.

On the other hand, it is also possible to manage the stopped vehicle 20, which is a problem in bus operation, through the real-time updated road information. Here, the stopped vehicle 20 is a vehicle that violates the Road Traffic Act on parking and stopping, and may include all vehicles such as passenger cars, vans, and motorcycles.

In detail, as an embodiment, the public transport vehicle auxiliary device 500 of the first bus provides road information by acquiring a bus surrounding information image photographed by the camera 560 and/or the sensor 550 of the stopped vehicle 20 It can be transmitted to the server 300.

Further, the road information providing server 300 may determine whether or not the stopped vehicle 20 photographed in the image is illegal based on the received image of the surrounding information of the bus and the location and time of the image.

Here, the road information providing server 300, in order to determine whether the stopped vehicle 20 is illegally parked or stopped, the location of the stopped vehicle 20, whether stopping at the corresponding location is illegal, and the stopping time recognized as illegal It may be determined whether the stopped vehicle 20 is an illegally parked and stopped vehicle based on the like.

For example, in the case of illegal parking only by stopping at a corresponding location regardless of the stopping time, the road information providing server 300 may provide real-time updated road information including information around the bus for the stopped vehicle 20. It can be transmitted to the illegal parking management client server 100.

In this case, the road information providing server 300 may generate a bus surrounding information image photographing the stopped vehicle 20 as an AVM screen and transmit it to the illegal parking management client server 100.

Here, the AVM screen is generated as an image obtained by converting the view point of the image captured by the camera 560 into a top view, so it may be difficult for the client to check the unique number of the stopped vehicle 20 through the AVM screen. have.

Accordingly, the road information providing server 300 may separately extract the identification number sign 650 of the stopped vehicle 20 and additionally display it on the AVM screen.

In detail, referring to FIG. 13, the AVM screen includes an image of the stopped vehicle 20, and the stopped vehicle 20 can be converted and displayed in a top-view direction viewed from above. In order to specify the sign 650, the extracted identification number sign 650 may be combined and displayed on the stopped vehicle 20.

In addition, the AVM screen in which the information of the stopped vehicle 20 and the identification number sign 650 of the vehicle are combined is transmitted from the road information providing server 300 to the illegal parking management client server 100, so that the illegal parking manager Through (150), it is possible to provide to clearly identify the identification numbers of illegally parked and stopped vehicles.

In an embodiment, when it is illegal to park and stop at a corresponding location after a predetermined stop time, the road information providing server 300 assists the public transportation vehicle of the second bus that subsequently runs on the same route to check the stop time. From the device 500, information on the surrounding area of the bus in which the stopped vehicle 20 is photographed again may be received.

That is, the road information providing server 300 acquires a bus surrounding information image including information about the stopped vehicle 20 from the public transportation vehicle auxiliary device 500 of the second bus running the same route as the first bus, and 1 It is possible to compare and analyze the information of the stopped vehicle 20 obtained from the bus.

At this time, when the information of the stopped vehicle 20 in the comparatively analyzed bus surrounding information image is identical, the road information providing server 300 may determine the stopping vehicle 20 through the operation interval between the first bus and the second bus. It is possible to determine whether the stopping vehicle 20 is illegal parking by calculating the stopping time and comparing the stopping time with a predetermined stopping time separating whether or not it is illegal.

That is, the road information providing server 300 continuously monitors vehicles illegally parked on the road through the surrounding information of public transportation vehicles that are periodically repeatedly operated without having a separate illegal parking and stopping vehicle monitoring infrastructure, and thus illegal parking. By providing it to the manager, it is possible to manage illegal parking on the road efficiently and at low cost.

When it is confirmed that the stopped vehicle 20 is illegal parking, the road information providing server 300 transmits real-time updated road information including information around the bus for the stopped vehicle 20 to the illegal parking management client server 100 Can be sent to.

In addition, the road information providing server 300 may generate a bus surrounding information image photographing the stopped vehicle 20 as an AVM screen and transmit it to the illegal parking management client server 100.

At this time, the AVM screen is generated as an image obtained by converting the view point of the image captured by the camera 560 into a top view, so it may be difficult for the client to check the unique number of the stopped vehicle 20 through the AVM screen. have.

Accordingly, the road information providing server 300 may separately extract the identification number sign 650 of the stopped vehicle 20 and additionally display it on the AVM screen.

In detail, referring to FIG. 13, the AVM screen includes an image of the stopped vehicle 20, and the stopped vehicle 20 can be converted and displayed in a top-view direction viewed from above. In order to specify the sign 650, the extracted identification number sign 650 may be combined and displayed on the stopped vehicle 20. In addition, the AVM screen in which the information of the stopped vehicle 20 and the identification number sign 650 of the vehicle are combined is transmitted from the road information providing server 300 to the illegal parking management client server 100, so that the illegal parking manager Through (150), it is possible to provide to clearly identify the identification numbers of illegally parked and stopped vehicles.

The embodiments according to the present invention described above may be implemented in the form of program instructions that can be executed through various computer components and recorded in a computer-readable recording medium. The computer-readable recording medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded in the computer-readable recording medium may be specially designed and configured for the present invention or may be known and usable to those skilled in the computer software field. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tapes, optical recording media such as CD-ROMs and DVDs, and magnetic-optical media such as floptical disks. medium), and a hardware device specially configured to store and execute program instructions, such as 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 can be changed to one or more software modules to perform the processing according to the present invention, and vice versa.

The specific implementations described in the present invention are examples and do not limit the scope of the present invention in any way. For brevity of the specification, descriptions of conventional electronic configurations, control systems, software, and other functional aspects of the systems may be omitted. In addition, the connection or connection members of the lines between the components shown in the drawings exemplarily represent functional connections and/or physical or circuit connections, and in an actual device, various functional connections that can be replaced or additionally Connections, or circuit connections, may be represented. In addition, if there is no specific mention such as “essential” or “importantly”, it may not be an essential component for the application of the present invention.

In addition, although the detailed description of the present invention has been described with reference to preferred embodiments of the present invention, those skilled in the art or those of ordinary skill in the relevant technical field, the spirit of the present invention described in the claims to be described later And it will be understood that various modifications and changes can be made to the present invention within a range not departing from the technical field. Therefore, the technical scope of the present invention should not be limited to the content described in the detailed description of the specification, but should be determined by the claims.

Claims (13)

A method of periodically receiving information on surrounding public transport vehicles from public transport vehicles and providing real-time updated road information based on the received information on surrounding public transport vehicles,
Periodically acquiring first public transportation vehicle surrounding information including information on the surrounding situation and location of the first public transportation vehicle by using a camera included in the first public transportation vehicle;
Acquiring information around a second public transport vehicle, including information on a surrounding situation and location of the second public transport vehicle, from a second public transport vehicle running ahead of the first public transport vehicle;
Classifying a dynamic object and a static object from information around the first public transportation vehicle;
Acquiring information on the number of people waiting to board the first bus platform by using the information around the second public transport vehicle and the dynamic object information obtained from the information around the first public transport vehicle;
Comparing and analyzing the dynamic object and dynamic road information in a previously stored database, and comparing and analyzing the static object and static road information in a previously stored database;
Detecting a change factor in the surrounding information of the first public transportation vehicle for the previously stored dynamic road information and static road information;
Updating the dynamic road information and static road information by adding the change factor; And
Providing the updated road information to a client, the first public transportation vehicle, and a third public transportation vehicle running following the first public transportation vehicle,
Real-time updated road information provision method. The method of claim 1,
The first public transportation vehicle surrounding information,
Including an image photographing the surroundings while the first public transportation vehicle is running
Real-time updated road information provision method. The method of claim 1,
Further comprising the step of determining the reliability of the obtained first public transportation vehicle surrounding information
Real-time updated road information provision method.
delete The method of claim 1,
The dynamic object,
An object having mobility within the information around the first public transportation vehicle, and at least one of a vehicle, a person, or an animal disposed around the first public transportation vehicle.
Real-time updated road information provision method.
delete The method of claim 1,
The static object,
It is an object without mobility in the information around the first public transportation vehicle,
Including at least one object among roads, road facilities, traffic signals, and stopped vehicles around the first public transportation vehicle
Real-time updated road information provision method. The method of claim 1,
The change factor is,
An object representing damage to a road surface around the first public transportation vehicle,
The step of updating the previously stored road information,
Comprising the step of adding information on the road damage object to the previously stored road information
Real-time updated road information provision method. The method of claim 8,
Providing the updated road information to the first public transportation vehicle,
Including the step of transmitting the road information updated information on the road damage object to the road management client
Real-time updated road information provision method. As a real-time updated road information providing device that periodically receives information about public transportation vehicle surroundings from public transportation vehicles and provides real-time updated road information based on the received public transportation vehicle surrounding information,
Using a camera included in the first public transport vehicle, periodically acquires surrounding information of the first public transport vehicle including the surrounding situation and location information of the first public transport vehicle, and is running ahead of the first public transport vehicle. A data collection unit for acquiring information around a second public transportation vehicle including information on surrounding conditions and location of the second public transportation vehicle from the second public transportation vehicle;
Classify a dynamic object and a static object from the first public transportation vehicle surrounding information, and using the second public transportation vehicle surrounding information and the dynamic object information obtained from the first public transportation vehicle surrounding information, the first public transportation Acquire information on the number of people waiting to ride at the first bus platform around the vehicle, compare and analyze the dynamic object and dynamic road information in a previously stored database, and compare and analyze the static object and static road information in a previously stored database And a data comparison unit for detecting a change factor in the first public transportation vehicle surrounding information for the previously stored dynamic road information and static road information;
A data update unit for updating the dynamic road information and static road information by adding the change factor; And
And a data distribution unit for providing the updated road information to a client, the first public transportation vehicle, and a third public transportation vehicle running following the first public transportation vehicle.
A device that provides real-time updated road information. The method of claim 10,
Further comprising a reliability check unit for determining the reliability of the obtained information around the public transportation vehicle
A device that provides real-time updated road information.
delete A public transportation vehicle that periodically drives a designated route and generates information about a public transportation vehicle including surrounding conditions and location information;
A road information providing server that periodically receives information about the public transportation vehicle surroundings from the public transportation vehicles, and provides real-time updated road information based on the received public transportation vehicle surrounding information; And
Including a client server for receiving the real-time updated road information from the road information providing server,
The road information providing server,
Periodically acquiring first public transportation vehicle surrounding information including information on the surrounding situation and location of the first public transportation vehicle by using a camera included in the first public transportation vehicle;
Acquiring information around a second public transport vehicle, including information on a surrounding situation and location of the second public transport vehicle, from a second public transport vehicle running ahead of the first public transport vehicle;
Classifying a dynamic object and a static object from information around the first public transportation vehicle;
Acquiring information on the number of people waiting for boarding of a first bus platform around the first public transportation vehicle by using information around the second public transportation vehicle and dynamic object information obtained from the information around the first public transportation vehicle;
Comparing and analyzing the dynamic object and dynamic road information in a previously stored database, and comparing and analyzing the static object and static road information in a previously stored database;
Detecting a change factor in the surrounding information of the first public transportation vehicle for the previously stored dynamic road information and static road information;
Updating the dynamic road information and static road information by adding the change factor; And
A step of providing the updated road information to a client, the first public transportation vehicle, and a third public transportation vehicle following the first public transportation vehicle,
Real-time updated road information provision system.

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