KR20190085247A - System and data processing method for providing high definition map service - Google Patents

Abstract

The present invention provides a detailed map service providing system and a data processing method for providing a detailed map service of a detailed map service system. According to a part of embodiments of the present invention, the data processing method for providing a detailed map service of a detailed map service system comprises the steps of: receiving a network dataset property data related to a driving road on which a vehicle drives; receiving lane data including information on a real lane shape from a vision sensor mounted on the vehicle to recognize the real lane shape of the driving road; and generating detailed map data related on the driving road based on the network dataset property data and the lane data.

Description

TECHNICAL FIELD [0001] The present invention relates to a precision map service providing system and a precision map service system, and more particularly,

The present invention relates to a precision map service providing system and a data processing method for providing accurate map service of a precision map service system.

Recently, global automakers have introduced state-of-the-art technologies such as concept cars, autonomous navigation, voice recognition, and artificial intelligence, and offer various alternatives to the future of the automobile industry.

Especially, in the case of autonomous driving, related regulations and system are not maintained, but the technology itself is in the stage of commercialization.

Level 4 of autonomous driving standards classified by the American Society of Automotive Engineers (SEA) is the level at which the driver does not intervene in the prescribed conditions, level 5 is the highest level to run without driver, A concept car is being demonstrated.

For this future automobile industry, it is necessary to use HD map data that contains lane-based information rather than existing navigation map data.

Precision map data has only errors within about 0.2m, which can realize almost the same state as the real world.

The precision map data also includes information such as lane centerline, lane boundary, lane spacing, road interface, road facilities (traffic lights, signs, curbs, road markings, intersections, etc.), elevations of terrain, It has very high precision.

Generally, in order to acquire or generate such precision map data, information such as roads and surrounding terrain can be acquired by utilizing a three-dimensional spatial information investigation system, a high performance laser scanner device such as LiDAR, a high performance camera, and a radar sensor shall.

However, it is difficult to provide such expensive equipment personally, and precision map data is data that is difficult to be easily obtained from the viewpoint of a general developer, and it takes a great deal of time and money to construct a precision map database by precise map data.

In July 2017, Mirae Asset Daewoo surveyed autonomous vehicles, according to the report, the cost and investment cost of the precision map is about 600 ~ 8 million won / 1km. It is expected that about 30 billion won will be needed considering the 4,200 km Korean highway It is estimated that about 750 billion won will be needed when considering about 10.8 million km of Korean public roads.

Therefore, it is necessary to study how to acquire data with precision similar to precision map data without expensive equipment or system, and to create value added by using the data.

On the other hand, in Korean Patent Laid-Open No. 10-2017-0068021 (a title of the invention: a method of generating road shape information based on segment modeling for providing a high-precision map), in order to provide a high- Quot; is generated.

Some embodiments of the present invention not only can generate precise map data on a traveling road in which a vehicle is running without expensive equipment or systems but also provide additional services with improved performance and accuracy using existing precise map data And to provide a data processing method for providing a precise map service.

In addition, some embodiments of the present invention provide a precision map service providing system and a precise map service that can provide customized travel guide information to drivers of each vehicle using precise map data on each road in a pre- The present invention has another object to provide a data processing method for a mobile terminal.

It should be understood, however, that the technical scope of the present invention is not limited to the above-described technical problems, and other technical problems may exist.

As a technical means for achieving the above technical object, a data processing method for providing a precise map service of a precise map service system according to some embodiments includes a step of receiving network data set attribute data on a traveling road in which a vehicle is traveling ; Receiving lane data including information on the actual lane shape from a vision sensor mounted on the vehicle and recognizing an actual lane shape of the driving lane; And generating accurate map data on the road based on the network data set attribute data and the lane data.

In addition, if the precision map service system according to some embodiments is implemented in at least one computing device located in the vehicle, the step of providing driving guide information to the driver of the vehicle based on the precision map data .

Further, when a precision map service system according to some embodiments is implemented to communicate with at least one computing device located in the vehicle outside the vehicle, travel guide information to be provided to the driver of the vehicle based on the precision map data And transmitting the driving guide information to the computing device.

According to some embodiments, further comprising: identifying a driving lane in which the vehicle is traveling, from among a plurality of lanes constituting the traveling road; Collecting road traffic data including at least one of bottleneck section information of the running road, lane reduction or increase information, and accident information in a specific lane; And providing driving guide information to the driver of the vehicle based on the precise map data, the driving lane of the vehicle, and the road traffic data.

At this time, the road traffic data may be shared by a driver of another vehicle traveling on the traveling road, and the traveling road may be determined based on the position of the vehicle and the traveling path of the vehicle.

As a technical means for achieving the above technical object, a data processing method for providing a precise map service of a precise map service system according to some embodiments is a method for constructing a precise map database on the basis of precise map data on a plurality of roads step; Receiving an information request signal from a computing device located within a predetermined vehicle; Extracting precise map data corresponding to a position of the predetermined vehicle from the precise map database in accordance with the information request signal; And transmitting the extracted precise map data to the computing device.

Here, the precise map data on the road is generated on the basis of lane data including network data set attribute data on the road and information on an actual lane shape of the road, And is obtained by a vision sensor mounted on an arbitrary vehicle running on the road and recognizing the actual lane shape of the road.

According to some embodiments, the method may further include generating travel guide information to be provided to the driver of the predetermined vehicle based on the extracted precision map data and transmitting the generated travel guide information to the computing device.

As a technical means for achieving the above technical object, a computer readable recording medium according to some embodiments records a program for executing at least any one of the above-mentioned methods.

According to an aspect of the present invention, there is provided a system for providing a precise map service according to some embodiments, including: a positioning device that acquires position information of a vehicle in real time; And a navigating device for providing driving guide information to the driver of the vehicle on the basis of the precise map data relating to the traveling road in which the vehicle is running, corresponding to the position of the vehicle.

The precision map database is constructed based on precision map data on a plurality of roads, and the precision map data on the road includes network data set attribute data on the road and information on the actual lane shape of the road And is generated based on the lane data included.

The communication device may further include a communication device for communicating with a computing device connected to the precision map database according to some embodiments. The communication device may transmit an information request signal to the computing device, From the computing device, precise map data on the running road.

At this time, the information about the actual lane shape may be obtained by a vision sensor attached to an arbitrary vehicle running on the road and recognizing an actual lane shape of the road.

In addition, it may further include a vision sensor located in front of the vehicle according to some embodiments to acquire information on the actual lane shape of the running road.

The navigating device of the precise map service providing system according to some embodiments identifies a driving lane in which the vehicle is traveling from among a plurality of lanes constituting the traveling road, and transmits the precise map data, the driving lane of the vehicle, The road traffic data may include at least one of the bottleneck section information, the lane reduction or increase information, and the accident information in the specific lane, based on the traffic data. May include.

The precision map service providing system and the data processing method for providing the precise map service according to some embodiments acquire the lane data through the vision sensor and use the network data set attribute data and the lane data to map the precision map data on the running road at a high price Without the need for equipment or systems, it can save considerable time and money.

In addition, by using the precise map data generated by the above system and method, a precision map database can be constructed and its precision can be enhanced. In addition, the dynamic geofencing technology can be used to customize each vehicle driver for convenient and safe driving It is possible to provide driving guide information.

In addition, a company that builds a precise map database using the precise map data generated through the above system and method can utilize the database for the purpose of generating profit by supplying the corresponding database to other companies.

According to some embodiments, the precision map data is generated on the basis of lane data including information on the actual lane shape of the running road, so that the amount of calculation in the production process can be remarkably reduced and the efficiency can be increased The time required for receiving the precise map data through the communication means can be reduced, which facilitates real-time services such as dynamic geofencing service.

In addition, according to some embodiments, the accuracy of the customized travel guide information provided to each driver can be improved by sharing the road traffic data in a plurality of vehicles in real time.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a simplified diagram illustrating a system for providing a precise map service according to some embodiments of the present invention.
FIG. 2 is an exemplary diagram illustrating network data set attribute data, lane data, and fine map data, respectively.
FIG. 3 is a diagram exemplarily showing road traffic data.
4 is a flowchart illustrating a process of processing data for providing a precise map service according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly explain the present invention in the drawings, parts not related to the description are omitted.

Throughout the specification, when a part is referred to as being "connected" to another part, it is understood that this is not only the case where it is "directly connected" but also the case where it is "electrically connected" Quot; connected " Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a simplified diagram illustrating a system for providing a precise map service according to some embodiments of the present invention.

According to one embodiment, the precise map service system may be implemented with at least one computing device located within vehicle 110, and according to another embodiment, at least one computing device located within vehicle 110 outside vehicle 110 Lt; / RTI >

The precision map service system includes a communication device 130 of a passenger on a vehicle 110, a navigation system (not shown) that is basically installed in the vehicle 110 or installed separately by a passenger, And may be implemented as a smart car or a connected car itself in the near future.

Here, the communication device 130 may be implemented as a computer or a portable terminal. The computer includes, for example, a notebook, a desktop, a laptop, a tablet PC, a slate PC, a car navigation device, etc. equipped with a web browser (Web browser) (PDS), a personal digital assistant (PDA), an international mobile communication (IMT), and the like. Handheld devices such as all kinds of handheld devices such as a wireless communication device, a wireless communication device, a wireless communication device, a wireless communication device, a wireless communication device, a wireless communication device, a wireless communication device, ) Based wireless communication devices.

At this time, the communication device 130 may be connected to the computing device mounted on the vehicle 110 through a wired / wireless communication network or the network 140 to transmit / receive various data and information.

In addition, the precision map service system may be a cloud computing device capable of communicating and communicating via a wireless communication network or network 140 without any restriction on a communication method or a communication protocol, for example, according to another embodiment, One server 141, at least one database 142, and the like.

Here, the network 140 refers to a connection structure capable of exchanging data and information between respective nodes such as a server and a terminal. One example of such a network 140 is a 3rd Generation Partnership Project (3GPP) network, a Long Term Evolution (LTE) network, a Long Term Evolution-Advanced (LTE-A) network, a World Interoperability for Microwave Access (WIMAX) Internet, a LAN, a WLAN, a PAN, a Bluetooth network, a satellite broadcasting network, an analog broadcasting network, a DMB (Digital Multimedia Broadcasting) Multimedia Broadcasting) networks, and the like.

In addition, the server 141 can operate in various operating systems and can operate various additional server applications or mid-tier applications including an HTTP server, an FTP server, a CGI server, a Java server, and a database server. The server 141 may include a platform for performing various functions and may be clustered with other servers to support parallel processing and distributed processing. These servers may exist in the same network or in different networks.

The database 142 may reside in various locations in connection with other computing devices. For example, the various databases may reside on non-transitory storage media and may be physically remote from other computing devices. In addition, various databases may be tailored to store, process, update, and retrieve data in response to instructions in the SQL format.

The system for providing a precise map service according to an embodiment of the present invention may include a position location device, a communication device, a navigating device, and a vision sensor.

The position locating apparatus can acquire the position information of the vehicle 110 in real time.

For example, the position locating device may be implemented by a GPS module mounted on a smart phone or a separate high-performance locating device, and may acquire and collect position information updated periodically or non-periodically in real time.

The communication device can communicate with a cloud computing device, server 141, etc. connected to the precision map database.

Also, the communication device transmits an information request signal to the computing device, receives precise map data on the traveling road in which the vehicle 110 is traveling, corresponding to the position of the vehicle 110 in response to the information request signal, from the computing device can do.

At this time, the precision map database is constructed on the basis of precision map data on a plurality of roads, and the precision map data on each road includes information on the network data set attribute data on each road and the actual lane shape of each road Based on the lane data.

FIG. 2 is an exemplary diagram illustrating network data set attribute data, lane data, and fine map data, respectively.

In the present invention, the network data set attribute data A may be data related to the link 201, the node 202, and the turn 203 element to the road network. The road network can be classified into three categories: cost attributes (distance, driving time, walking time, etc.), restriction attributes (one way, turnability, top driving speed, , An arterial road, a local road, etc.) and a description attribute (number of lanes, etc.).

The network dataset attribute data A has characteristic element and attribute data for an arbitrary road, and does not include information about the actual lane shape.

On the other hand, the lane data B includes information on the actual lane shape 204 of each road.

Here, the information about the actual lane shape 204 may be obtained by the vision sensor 120 mounted on any vehicle running on each road and recognizing the actual lane shape of each road.

The left figure 205 is an exemplary illustration of the actual lane shape 204 recognized and sensed by the vision sensor 120 from a vehicle operator's perspective and the right figure 206 shows the actual lane shape on an exemplary road map .

Further, the precise map data C includes lane data including characteristic element and attribute data for an arbitrary road, and information about an actual lane shape.

The navigating device of the precise map service providing system can provide the travel guide information to the driver of the vehicle 110 based on the precise map data received from the precise map database or stored in itself.

For example, the navigating device may be implemented as a smartphone equipped with an application providing a navigating function or an automatic navigation system mounted on the vehicle 110. [

Further, the navigating device may include the above-described position locating device, a user interface for interacting with the user, a display device for visually indicating a map and a traveling route, and a speaker for outputting a guidance voice message.

In addition, the navigating device can identify a driving lane on which the vehicle 110 is traveling, among a plurality of lanes constituting the traveling road in which the vehicle 110 is running.

For example, the navigating device can use precise map data to identify that the vehicle is traveling on two lanes from the entire four lane road.

The navigating device may also provide driving guide information to the driver of the vehicle 110 based on the precise map data, the driving lane of the identified vehicle 110, and the road traffic data.

At this time, the road traffic data may include at least any one of bottleneck section information of the running road, lane reduction or increase information, and accident information in a specific lane.

The vision sensor 120 can be positioned in front of or behind the vehicle 110 to obtain geometry information on the actual lane shape of the running road on which the vehicle 110 is running with a fixed view.

The vision sensor 120 can measure the screen by dividing the screen into hundreds and evenly, and the region of interest for acquiring the image may be preset. In addition, the vision sensor 120 can detect an object every frame in units of pixels, cells, and blocks in the image.

The algorithm or calculation method used when acquiring information about the actual lane shape in the vision sensor 120 is not particularly limited.

According to the precise map service system described above, significant time and cost can be saved by generating accurate map data without expensive equipment or system.

Further, since the accurate map data includes the information about the actual lane shape, it is possible to more precisely distinguish the traveling road on which the vehicle actually travels from a plurality of roads provided at similar positions in providing the traveling guide information.

For example, if two separate roads are installed side by side or crossed up / down, the existing navigating device may mistakenly recognize the actual running road, thereby giving the driver wrong information There is a problem.

In addition, it is possible to provide customized travel guide information so that the driver of each vehicle can more conveniently and safely travel, and it is possible to reduce the load in the process of generating the precise map data, which is more suitable for real-time service such as dynamic geofencing service .

A data processing method for providing a precise map service of the precise map service system according to some embodiments of the present invention will be described. For convenience of explanation, the configuration shown in FIG. 1 and FIG. 2 will be described with reference to FIG. 1, but the present invention is not limited to these configurations.

The precise map service system receives network data set attribute data (A) about the running road in which the vehicle 110 is running.

At this time, the traveling road can be determined on the basis of the position of the vehicle 110 and the traveling path of the vehicle 110.

The precise map service system also receives lane data B including information on the actual lane shape from the vision sensor 120 mounted on the vehicle 110 and recognizing the actual lane shape of the traveling road.

Next, the precise map service system generates the precise map data C on the running road based on the received network dataset attribute data A and the lane data B.

The precise map service system in accordance with one embodiment may be implemented in at least one computing device located within the vehicle 110, in which case the precise map service system may map the vehicle 110 based on the generated precise map data C, It is possible to provide the driving guide information to the driver of the vehicle.

The precise map service system according to another embodiment may be implemented to communicate with at least one computing device located within the vehicle 110 outside the vehicle 110. In this case, And generates travel guide information to be provided to the driver of the vehicle 110 based on the travel guide information, and transmits the travel guide information to the computing device.

In addition, the precision map service system according to some embodiments may provide the travel guide information as shown in FIG. FIG. 3 is a diagram exemplarily showing road traffic data.

The precise map service system 303 can identify the four lanes as a driving lane in which the A vehicle 302 is traveling among a plurality of lanes (total five lanes) constituting the traveling road in which the A vehicle 302 is running.

The precision map service system 303 may collect road traffic data including at least one of the bottleneck section information of the road, the lane reduction or increase information, and the accident information in the specific lane. In the case of Fig. 3, It is possible to collect the road traffic data including the accident information 301 in the road.

Such road traffic data can be collected by being shared in real time by a driver (a driver's communication device) of another vehicle running on the running road.

The precision map service system 303 can provide customized travel guide information in real time to the driver of the A vehicle 302 through dynamic geofencing technology.

That is, the precise map service system 303 calculates A (A) based on the precise map data C on the running road, the four lanes as the driving lane of the A vehicle 302 and the road traffic data (accident information 301 in the four lanes) It is possible to provide customized travel guide information to the driver of the vehicle 302. For example, a guiding message such as "We recommend that you change the lane because we have collected accident information in four lanes before 200m" is output, or a lane change induction arrow may appear on the screen.

4 is a flowchart illustrating a process of processing data for providing a precise map service according to a precise map service system according to some embodiments of the present invention.

A Data processing process between the computing device X located in the vehicle and the precision map service system Y is as follows.

The precision map service system Y constructs a precision map database in advance based on the precision map data on a plurality of roads (S410).

At this time, the precise map data on each road is generated on the basis of the lane data including the network data set attribute data about each road and the information about the actual lane shape of each road, and the information about the actual lane shape is generated And is acquired by a vision sensor mounted on any vehicle that is traveling and recognizing the actual lane shape of the road.

In the precise map database building process (S410), processing, modification, and supplementation of the precise map data may be performed for a predetermined time, and a conventional machine learning algorithm may be used.

The precision map service system (Y) may be connected to a precision map database or may be a precision map database.

Next, the precision map service system Y receives the information request signal from the computing device X in the vehicle A (S420).

The information request signal may include location information of the A vehicle, predetermined traveling route information, and the like, and may be generated by the occupant of the A vehicle by selecting, inputting, or commanding the computing device X. [

Next, the precision map service system Y searches and extracts the precise map data corresponding to the position of the A vehicle from the precise map database in accordance with the information request signal in step S420 (S430).

In step S430, the travel route information is considered, so that the precise map data can be retrieved and extracted.

Next, the precision map service system Y transmits the precision map data extracted in step S430 to the computing device X (S440).

Also, the precision map service system Y may generate travel guide information to be provided to the driver of the A vehicle based on the precise map data extracted in step S430, and may transmit the guide information to the computing device X as in step S440.

Some embodiments of the present invention may also be embodied in the form of a computer readable recording medium on which a program for executing a command executable by a computer or a program for executing a method of at least one of the data processing methods described above is recorded . Computer readable recording media can be any available media that can be accessed by a computer, and includes both volatile and nonvolatile media, removable and non-removable media. The computer readable recording medium may also include computer storage media, which may be volatile, such as computer readable instructions, data structures, program modules or other data embodied in any method or technology for storage of information such as data And both non-volatile, removable and non-removable media.

Although the terminal, method and system of the present invention have been described above in connection with specific embodiments, some or all of their components or operations may be implemented using a computer system having a general purpose hardware architecture.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

Claims (14)

A data processing method for providing a precise map service of a precise map service system,
The method comprising: receiving network data set attribute data relating to a traveling road in which the vehicle is traveling;
Receiving lane data including information on the actual lane shape from a vision sensor mounted on the vehicle and recognizing an actual lane shape of the driving lane; And
Generating precise map data on the running road based on the network dataset attribute data and the lane data.
The method according to claim 1,
If the precise map service system is implemented in at least one computing device located within the vehicle,
And providing driving guide information to the driver of the vehicle based on the precise map data.
The method according to claim 1,
Wherein the precision map service system is configured to communicate with at least one computing device located within the vehicle outside the vehicle,
Generating driving guide information to be provided to the driver of the vehicle based on the precision map data and transmitting the driving guide information to the computing device.
The method according to claim 2 or 3,
Identifying a driving lane in which the vehicle is traveling among a plurality of lanes constituting the traveling road;
Collecting road traffic data including at least one of bottleneck section information of the running road, lane reduction or increase information, and accident information in a specific lane; And
And providing driving guide information to the driver of the vehicle based on the precision map data, the driving lane of the vehicle, and the road traffic data.
5. The method of claim 4,
Wherein the road traffic data is shared by a driver of another vehicle traveling on the road.
The method according to claim 1,
Wherein the traveling road is determined based on the position of the vehicle and the traveling path of the vehicle.
A data processing method for providing a precise map service of a precise map service system,
Constructing a precision map database based on precision map data on a plurality of roads;
Receiving an information request signal from a computing device located within a predetermined vehicle;
Extracting precise map data corresponding to a position of the predetermined vehicle from the precise map database in accordance with the information request signal; And
And transmitting the extracted precision map data to the computing device,
Precision map data on the road is generated based on lane data including network data set attribute data on the road and information on an actual lane shape of the road,
Wherein the information about the actual lane shape is obtained by a vision sensor mounted on any vehicle running on the road and recognizing an actual lane shape of the road.
8. The method of claim 7,
And generating driving guide information to be provided to the driver of the predetermined vehicle based on the extracted precision map data and transmitting the generated driving guide information to the computing device.
A computer-readable recording medium recording a program for executing the method of claim 7 or 8.
A precision map service providing system,
A position locator that acquires position information of the vehicle in real time; And
And a navigating device for providing driving guide information to the driver of the vehicle on the basis of the precise map data corresponding to the position of the vehicle and relating to the traveling road in which the vehicle is running,
The precision map database is constructed based on precision map data on a plurality of roads,
Wherein the precise map data on the road is generated based on lane data including network data set attribute data on the road and information on an actual lane shape of the road.
11. The method of claim 10,
Further comprising a communication device for communicating with a computing device connected to the precision map database,
Wherein the communication device transmits an information request signal to the computing device and receives precision map data on the driving road from the computing device in response to the information request signal.
11. The method of claim 10,
Wherein the information about the actual lane shape is obtained by a vision sensor mounted on any vehicle running on the road and recognizing an actual lane shape of the road.
11. The method of claim 10,
Further comprising a vision sensor located in front of the vehicle to obtain information about an actual lane shape of the roadway.
11. The method of claim 10,
The navigating device
And a control unit that identifies a driving lane in which the vehicle is traveling, out of a plurality of lanes constituting the traveling road,
Provides driving guide information to the driver of the vehicle based on the precision map data, the driving lane of the vehicle, and the road traffic data,
Wherein the road traffic data includes at least one of bottleneck section information of the running road, lane reduction or increase information, and accident information in a specific lane.

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