CN111637898B - Processing method and device for high-precision navigation electronic map - Google Patents
Processing method and device for high-precision navigation electronic map Download PDFInfo
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- CN111637898B CN111637898B CN202010490302.7A CN202010490302A CN111637898B CN 111637898 B CN111637898 B CN 111637898B CN 202010490302 A CN202010490302 A CN 202010490302A CN 111637898 B CN111637898 B CN 111637898B
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
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- G01C21/32—Structuring or formatting of map data
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Abstract
The invention provides a processing method and a processing device of a high-precision navigation electronic map, which relate to the technical field of data processing and are used for obtaining first road information, wherein the first road information comprises a first road shape and a first road curvature; obtaining first vehicle characteristic information; obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information; obtaining first traffic information of a predetermined distance around the first road; obtaining second route planning information according to the first traffic information and the first vehicle characteristic information; determining cross information according to the first route planning information and the second route planning information; obtaining a first lane line type of the first road; and determining first navigation driving route information according to the cross information and the type of the first lane line, so that the technical effects of accurately reflecting the real condition of a road, realizing accurate positioning of a vehicle and improving the navigation accuracy are achieved.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a method and a device for processing a high-precision navigation electronic map.
Background
An electronic navigation map is a set of software used to navigate on a GPS device. The method is mainly used for planning the path and realizing the navigation function. The electronic navigation map is composed of roads, backgrounds, notes and POIs in a composition form, and of course, many characteristic contents such as 3D intersection live-action enlarged images, three-dimensional buildings and the like can be calculated as characteristic parts of the electronic navigation map. In terms of functional representation, navigation electronic navigation maps need functions of positioning display, indexing, path calculation and guidance. At present, from the current state of technical development of domestic electronic map navigation, the method has the comprehensive technical capability of producing the navigation electronic map, establishes the technical standard of systematic industry, and has the aspects of dynamic traffic information processing, issuing, map increment updating and the like following the international advanced level.
However, the applicant of the present invention finds that the prior art has at least the following technical problems:
the existing navigation map cannot accurately position the shape of a road to a centimeter level, and has low environmental perception degree on the periphery of the road.
Content of application
The embodiment of the invention provides a processing method and a processing device for a high-precision navigation electronic map, which solve the technical problems that the navigation map in the prior art cannot accurately position the shape of a road to the centimeter level and has low perception of the environment around the road, and achieve the technical effects of accurately reflecting the real situation of the road, realizing accurate positioning of a vehicle, improving navigation accuracy and improving user experience.
In view of the above problems, the embodiments of the present application are proposed to provide a processing method and apparatus for navigating an electronic map with high precision.
In a first aspect, the present invention provides a method for processing a high-precision navigation electronic map, where the method includes: obtaining first road information, wherein the first road information comprises a first road shape and a first road curvature; obtaining first vehicle characteristic information; obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information; obtaining first traffic information of a predetermined distance around the first road; obtaining second route planning information according to the first traffic information and the first vehicle characteristic information; determining cross information according to the first route planning information and the second route planning information; obtaining a first lane line type of the first road; determining first navigation driving route information according to the intersection information and the first lane line type, wherein the first navigation driving route information comprises a first spacing distance and a second spacing distance from the first lane line when the first vehicle drives on a first lane.
Preferably, the method further comprises:
obtaining second road information of a predetermined distance around the first road; determining first intersection information according to the second road information and the first road information; judging whether the first intersection information meets a preset condition or not; when the first intersection information meets a preset condition, judging whether the first lane is adjacent to the first intersection; when the first lane is adjacent to the first intersection, first reminding information is sent to the first vehicle, wherein the first reminding information is used for reminding the first vehicle to change the first lane to a second lane.
Preferably, the method further comprises:
determining first obstacle information on the first road according to the shape of the first road; determining first obstacle avoidance information according to the first obstacle information and the first vehicle characteristic information; obtaining first infrastructure information for the first road; determining second obstacle avoidance information according to the first infrastructure information; and determining second navigation driving route information according to the first obstacle avoidance information and the second obstacle avoidance information.
Preferably, the method further comprises:
obtaining the first road gradient information; determining first blind area information of a first driver according to the first vehicle characteristic information and the first road gradient information, wherein the range of the first blind area information is 0.1-100 m; obtaining third obstacle information in the first blind area; and sending first reminding information to the first driver according to the third obstacle information.
Preferably, the method further comprises:
obtaining second navigation route information of a second vehicle; judging whether an intersecting route exists between the second navigation route information and the first navigation driving route information or not; when the second navigation route information and the first navigation driving route information have an intersecting route, acquiring a first driving speed of the first vehicle and a second driving speed of the second vehicle; determining a first encounter time according to the first running speed and the second running speed; and sending second reminding information to the first vehicle according to the first meeting time.
In a second aspect, the present invention provides a processing apparatus for navigating an electronic map with high precision, the apparatus comprising:
a first obtaining unit configured to obtain first road information, wherein the first road information includes a first road shape and a first road curvature;
a second obtaining unit for obtaining first vehicle characteristic information;
a third obtaining unit configured to obtain first route planning information from the first road shape, the first road curvature, and the first vehicle characteristic information;
a fourth obtaining unit configured to obtain first traffic information of a predetermined distance around the first road;
a fifth obtaining unit, configured to obtain second route planning information according to the first traffic information and the first vehicle characteristic information;
a first determining unit, configured to determine cross information according to the first route planning information and the second route planning information;
a sixth obtaining unit configured to obtain a first lane line type of the first road;
a second determining unit, configured to determine first navigation driving route information according to the intersection information and the first lane line type, where the first navigation driving route information includes a first separation distance and a second separation distance from the first lane line to which the first vehicle drives on a first lane.
Preferably, the apparatus further comprises:
a seventh obtaining unit configured to obtain second road information of a predetermined distance around the first road;
a third determination unit configured to determine first intersection information based on the second road information and the first road information;
the first judgment unit is used for judging whether the first intersection information meets a preset condition or not;
the second judging unit is used for judging whether the first lane is adjacent to the first intersection or not when the first intersection information meets a preset condition;
the first operation unit is used for sending first reminding information to the first vehicle when the first lane is adjacent to the first intersection, wherein the first reminding information is used for reminding the first vehicle to change the first lane to the second lane.
Preferably, the apparatus further comprises:
a fourth determination unit configured to determine first obstacle information on the first road according to the first road shape;
a fifth determining unit, configured to determine first obstacle avoidance information according to the first obstacle information and the first vehicle characteristic information;
an eighth obtaining unit configured to obtain first infrastructure information of the first road;
a sixth determining unit, configured to determine second obstacle avoidance information according to the first infrastructure information;
and the seventh determining unit is used for determining second navigation driving route information according to the first obstacle avoidance information and the second obstacle avoidance information.
Preferably, the apparatus further comprises:
a ninth obtaining unit configured to obtain the first road gradient information;
an eighth determining unit, configured to determine first blind area information of a first driver according to the first vehicle characteristic information and the first road gradient information, where a range of the first blind area information is between 0.1m and 100 m;
a tenth obtaining unit configured to obtain third obstacle information in the first blind area;
and the second operation unit is used for sending first reminding information to the first driver according to the third obstacle information.
Preferably, the apparatus further comprises:
an eleventh obtaining unit that obtains second navigation route information of a second vehicle;
a third judging unit, configured to judge whether there is an intersecting route between the second navigation route information and the first navigation driving route information;
a twelfth obtaining unit configured to obtain a first traveling speed of the first vehicle and a second traveling speed of the second vehicle when there is an intersecting route between the second navigation route information and the first navigation traveling route information;
a ninth determining unit for determining a first encounter time from the first traveling speed and the second traveling speed;
and the third operation unit is used for sending second reminding information to the first vehicle according to the first meeting time.
In a third aspect, the present invention provides a processing apparatus for navigating an electronic map with high precision, comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor implements the steps of any one of the above methods when executing the program.
In a fourth aspect, the invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of any of the methods described above.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
according to the processing method and device for the high-precision navigation electronic map, provided by the embodiment of the invention, first road information is obtained, wherein the first road information comprises a first road shape and a first road curvature; obtaining first vehicle characteristic information; obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information; obtaining first traffic information of a predetermined distance around the first road; obtaining second route planning information according to the first traffic information and the first vehicle characteristic information; determining cross information according to the first route planning information and the second route planning information; obtaining a first lane line type of the first road; determining first navigation driving route information according to the intersection information and the type of the first lane line, wherein the first navigation driving route information comprises a first spacing distance and a second spacing distance between the first vehicle and the first lane line when the first vehicle runs on the first lane, so that the technical problems that a navigation map cannot accurately position the shape of a road to the centimeter level and has low environmental perception degree on the periphery of the road in the prior art are solved, the real situation of the road is accurately reflected, accurate positioning of the vehicle is realized, the navigation accuracy is improved, and the technical effect of user experience is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic flow chart illustrating a processing method of a high-precision navigation electronic map according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a processing apparatus for a high-precision navigation electronic map according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another processing apparatus for high-precision navigation of an electronic map according to an embodiment of the present invention.
Description of reference numerals: a first obtaining unit 11, a second obtaining unit 12, a third obtaining unit 13, a fourth obtaining unit 14, a fifth obtaining unit 15, a first determining unit 16, a sixth obtaining unit 17, a second determining unit 18, a bus 300, a receiver 301, a processor 302, a transmitter 303, a memory 304, and a bus interface 306.
Detailed Description
The embodiment of the invention provides a processing method and a processing device for a high-precision navigation electronic map, which are used for solving the technical problems that the navigation map in the prior art cannot accurately position the shape of a road to the centimeter level and has low perception on the environment around the road.
The technical scheme provided by the invention has the following general idea: obtaining first road information, wherein the first road information comprises a first road shape and a first road curvature; obtaining first vehicle characteristic information; obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information; obtaining first traffic information of a predetermined distance around the first road; obtaining second route planning information according to the first traffic information and the first vehicle characteristic information; determining cross information according to the first route planning information and the second route planning information; obtaining a first lane line type of the first road; and determining first navigation driving route information according to the intersection information and the type of the first lane line, wherein the first navigation driving route information comprises a first spacing distance and a second spacing distance between the first vehicle and the first lane line when the first vehicle drives on the first lane, so that the real condition of the road is accurately reflected, the accurate positioning of the vehicle is realized, the navigation accuracy is improved, and the technical effects of user experience are improved.
The technical solutions of the present invention are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present invention are described in detail in the technical solutions of the present application, and are not limited to the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Example one
Fig. 1 is a schematic flow chart of a processing method for a high-precision navigation electronic map according to an embodiment of the present invention. As shown in fig. 1, an embodiment of the present invention provides a method for processing a high-precision navigation electronic map, where the method includes:
step 110: obtaining first road information, wherein the first road information contains a first road shape and a first road curvature.
Step 120: first vehicle characteristic information is obtained.
Step 130: and obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information.
Specifically, the first road information includes a first road shape and a first road curvature, wherein the first road shape is specifically the curve, width information, and the like of a road, such as a loop, an S-shaped road, 4 lanes, 6 lanes, and the like. The first road curvature is a curve angle value corresponding to a curvature radius of the curve. The first vehicle characteristic information is a vehicle type, a vehicle width, vehicle restriction information, and the like of the first vehicle. Route planning information can be obtained by obtaining the first road information and first vehicle characteristic information of the first vehicle, that is, the first route planning information is vehicle running route planning information determined according to the first vehicle characteristic, the road shape and the road curvature, for example, the first vehicle runs a circular curve at 100 m.
Step 140: first traffic information of a predetermined distance around the first road is obtained.
Step 150: and obtaining second route planning information according to the first traffic information and the first vehicle characteristic information.
Specifically, the first traffic information is intersection information between the first road and another road or vehicle travel information of another road. The predetermined distance around the first road is set, for example, the predetermined distance can be set as a safe driving distance of the first vehicle under the current weather condition. The method comprises the steps of obtaining first traffic information of a preset distance around a first road, and obtaining second route planning information according to the first traffic information and first vehicle characteristics, namely planning second route planning information for the first vehicle according to the surrounding traffic information within the driving safety distance of the first vehicle and the vehicle characteristics of the first vehicle. The second route planning information is mainly used for reminding the first vehicle of the traffic condition on the first road, and reminding the first vehicle of lane change information and the like if a bus is arranged at the position 50m behind the left side and a crossroad is arranged at the position 100 meters ahead of the right side.
Step 160: and determining cross information according to the first route planning information and the second route planning information.
Step 170: obtaining a first lane line type for the first road.
Step 180: determining first navigation driving route information according to the intersection information and the first lane line type, wherein the first navigation driving route information comprises a first spacing distance and a second spacing distance from the first lane line when the first vehicle drives on a first lane.
Specifically, the first route planning information and the second route planning information are integrated to determine the intersection information of the route planning information. The cross information is a collection of the first route planning information and the second route planning information, that is, the first route planning information and the second route planning information are mutually supplemented and perfected. Further, a first lane line type of the first road is obtained, wherein the first lane line type includes a white center line, a white dotted line, a white solid line, a yellow solid line, a bus route lane line, and the like, and a general vehicle such as a passenger vehicle is allowed to enter and exit in the case of the dotted line, and the general vehicle such as the passenger vehicle is not allowed to travel in the case of the solid line. And determining first navigation driving route information according to the first route planning information and the first lane line type and the comprehensive cross information of the second route planning information. The first navigation driving route information is route information of first vehicle driving, and includes first lane information for planning first vehicle driving on a first road, and the first navigation driving route information includes a first spacing distance and a second spacing distance between the first vehicle driving on the first lane and a first lane line, that is, specific position information of the first vehicle driving on the first lane can be obtained, and accurate positioning is realized.
Therefore, the processing method of the high-precision navigation electronic map in the embodiment can determine the first navigation driving route information of the first vehicle aiming at the comprehensive first road information, the first vehicle characteristic information, the first traffic information of the preset distance around the first road and the first road line type information, so that the real situation of the road is accurately reflected, the accurate positioning of the vehicle is realized, the navigation accuracy is improved, the technical effect of user experience is improved, and the technical problems that the navigation map cannot accurately position the road shape to the centimeter level and the environmental perception degree around the road is low in the prior art are solved.
Further, the method further comprises: obtaining second road information of a predetermined distance around the first road; determining first intersection information according to the second road information and the first road information; judging whether the first intersection information meets a preset condition or not; when the first intersection information meets a preset condition, judging whether the first lane is adjacent to the first intersection; and when the first lane is adjacent to the first intersection, sending first reminding information to the first vehicle, wherein the first reminding information is used for reminding the first vehicle to change the first lane to a second lane.
Specifically, a predetermined distance around the first road is set, for example, the predetermined distance may be set as a safe driving distance of the first vehicle in the current weather condition. The second road information is obtained by obtaining second road information of a predetermined distance around the first road, wherein the second road information is a road intersecting the first road within the predetermined distance. And determining first intersection information according to the second road information and the first road information. And setting preset conditions of the first intersection information, wherein the preset conditions comprise that the first intersection information has an obliquely inserted T-shaped intersection, the sight of a driver is shielded, no red light is arranged at the intersection, an accident high-speed intersection and the like. When the first intersection information meets the preset conditions, whether a first lane where a first vehicle runs is adjacent to the first intersection or not is judged, and when the first lane is adjacent to the first intersection, first reminding information is sent to the first vehicle, wherein the first reminding information is used for reminding the first vehicle to change the first lane to a second lane, the second lane is far away from the first intersection, the occurrence of traffic accidents is reduced, and the personal safety of driving drivers is guaranteed.
Further, the method further comprises: determining first obstacle information on the first road according to the shape of the first road; determining first obstacle avoidance information according to the first obstacle information and the first vehicle characteristic information; obtaining first infrastructure information of the first road; determining second obstacle avoidance information according to the first infrastructure information; and determining second navigation driving route information according to the first obstacle avoidance information and the second obstacle avoidance information.
Specifically, first obstacle information on the first road is determined according to the shape of the first road, wherein the first obstacle information is the height of the road surface on the first road, such as a low-lying area of the road surface, a damaged area of the road surface, or a mountain leaning area of a mountain road with stones protruding. According to the first vehicle characteristic information of the first vehicle, for example, the first vehicle characteristic information is the vehicle chassis low of the first vehicle, the vehicle width information and the like. And determining first obstacle avoidance information according to the first obstacle information and the first vehicle characteristic information, wherein the first obstacle avoidance information is used for reminding the first vehicle of how to avoid the first obstacle, and for example, reminding the first vehicle of changing a lane, decelerating the driving information and the like according to the vehicle driving information of the first road. The first infrastructure information includes speed reduction lane information, communication signals, road markings, stations, and the like. And then obtaining first infrastructure information of the first road, and determining second obstacle avoidance information of the first vehicle according to the first infrastructure information, such as detour driving, lane change and the like. And determining second navigation driving route information of the first vehicle by integrating the first obstacle avoidance information and the second obstacle avoidance information, wherein the second navigation driving route information is perfect obstacle avoidance information on the basis of the first navigation driving route information.
Further, the method further comprises: obtaining the first road gradient information; determining first blind area information of a first driver according to the first vehicle characteristic information and the first road gradient information, wherein the range of the first blind area information is 0.1-100 m; obtaining third obstacle information in the first blind area; and sending first reminding information to the first driver according to the third obstacle information.
Specifically, the first road gradient information is a percentage of a height difference between two points of the first road and a horizontal distance thereof, and the road gradient may be calculated by an inverse trigonometric function. First blind area information of the first driver can be obtained through calculation according to the first vehicle characteristic information and the first road gradient information, wherein the range of the first blind area information is 0.1-100 m. And obtaining third obstacle information in the first blind area, wherein the third obstacle information comprises road surface information and infrastructure information of the first road. And sending first reminding information to the first driver according to the third obstacle information, wherein the first reminding information comprises information of lane change or route change and the like to avoid the third obstacle.
Further, the method further comprises: obtaining second navigation route information of a second vehicle; judging whether the second navigation route information and the first navigation driving route information have an intersecting route or not; when the second navigation route information and the first navigation driving route information have an intersecting route, acquiring a first driving speed of the first vehicle and a second driving speed of the second vehicle; determining a first encounter time according to the first running speed and the second running speed; and sending second reminding information to the first vehicle according to the first meeting time.
Specifically, a second vehicle in the internet of vehicles is obtained, and the first vehicle and the second vehicle both belong to vehicles of the internet of vehicles system. And obtaining second navigation route information of the second vehicle, prejudging the second navigation route information, and judging whether the second navigation route information and the first navigation driving route information have an intersection route, namely whether the first vehicle and the second vehicle have the possibility of intersection. And when the second navigation route information and the first navigation driving route information have an intersecting route, respectively obtaining a first driving speed of the first vehicle and a second driving speed of the second vehicle. And calculating to obtain first meeting time of the first vehicle and the second vehicle according to the distance of the crossed route, the first running speed of the first vehicle and the second running speed of the second vehicle, and sending second reminding information to the first vehicle according to the first meeting time. The second reminding information is used for reminding the first vehicle to slow down in advance to make information such as avoidance or lane replacement in advance, so that accurate positioning is achieved, and driving safety is improved.
Example two
Based on the same inventive concept as the processing method of the high-precision navigation electronic map in the foregoing embodiment, the present invention further provides a processing method and apparatus of the high-precision navigation electronic map, as shown in fig. 2, the apparatus includes:
a first obtaining unit 11, configured to obtain first road information, where the first road information includes a first road shape and a first road curvature;
a second obtaining unit 12, the second obtaining unit 12 being configured to obtain first vehicle characteristic information;
a third obtaining unit 13, wherein the third obtaining unit 13 is configured to obtain first route planning information according to the first road shape, the first road curvature, and the first vehicle characteristic information;
a fourth obtaining unit 14, wherein the fourth obtaining unit 14 is used for obtaining first traffic information of a preset distance around the first road;
a fifth obtaining unit 15, where the fifth obtaining unit 15 is configured to obtain second route planning information according to the first traffic information and the first vehicle characteristic information;
a first determining unit 16, where the first determining unit 16 is configured to determine intersection information according to the first route planning information and the second route planning information;
a sixth obtaining unit 17, the sixth obtaining unit 17 being configured to obtain a first lane line type of the first road;
a second determining unit 18, where the second determining unit 18 is configured to determine first navigation driving route information according to the intersection information and the first lane line type, where the first navigation driving route information includes a first separation distance and a second separation distance from the first lane line when the first vehicle drives on a first lane.
Further, the apparatus further comprises:
a seventh obtaining unit configured to obtain second road information of a predetermined distance around the first road;
a third determination unit configured to determine first intersection information based on the second road information and the first road information;
the first judgment unit is used for judging whether the first intersection information meets a preset condition or not;
the second judging unit is used for judging whether the first lane is adjacent to the first intersection or not when the first intersection information meets a preset condition;
the first operation unit is used for sending first reminding information to the first vehicle when the first lane is adjacent to the first intersection, wherein the first reminding information is used for reminding the first vehicle to change the first lane to the second lane.
Further, the apparatus further comprises:
a fourth determination unit configured to determine first obstacle information on the first road according to the first road shape;
a fifth determining unit, configured to determine first obstacle avoidance information according to the first obstacle information and the first vehicle characteristic information;
an eighth obtaining unit configured to obtain first infrastructure information of the first road;
a sixth determining unit, configured to determine second obstacle avoidance information according to the first infrastructure information;
and the seventh determining unit is used for determining second navigation driving route information according to the first obstacle avoidance information and the second obstacle avoidance information.
Further, the apparatus further comprises:
a ninth obtaining unit configured to obtain the first road gradient information;
an eighth determining unit, configured to determine first blind area information of a first driver according to the first vehicle characteristic information and the first road gradient information, where a range of the first blind area information is between 0.1m and 100 m;
a tenth obtaining unit configured to obtain third obstacle information in the first blind area;
and the second operation unit is used for sending first reminding information to the first driver according to the third obstacle information.
Further, the apparatus further comprises:
an eleventh obtaining unit that obtains second navigation route information of a second vehicle;
a third judging unit, configured to judge whether there is an intersecting route between the second navigation route information and the first navigation driving route information;
a twelfth obtaining unit configured to obtain a first traveling speed of the first vehicle and a second traveling speed of the second vehicle when there is an intersecting route between the second navigation route information and the first navigation traveling route information;
a ninth determining unit for determining a first encounter time from the first traveling speed and the second traveling speed;
and the third operation unit is used for sending second reminding information to the first vehicle according to the first meeting time.
Various modifications and specific examples of the processing method for a high-precision navigation electronic map in the first embodiment of fig. 1 are also applicable to the processing apparatus for a high-precision navigation electronic map in the present embodiment, and through the foregoing detailed description of the processing method for a high-precision navigation electronic map, a person skilled in the art can clearly know the implementation method of the processing apparatus for a high-precision navigation electronic map in the present embodiment, so for the sake of brevity of the description, detailed descriptions are omitted here.
EXAMPLE III
Based on the same inventive concept as the processing method of the high-precision navigation electronic map in the foregoing embodiment, the present invention further provides a processing apparatus of the high-precision navigation electronic map, as shown in fig. 3, including a memory 304, a processor 302, and a computer program stored on the memory 304 and operable on the processor 302, wherein the processor 302 implements the steps of any one of the processing methods of the high-precision navigation electronic map when executing the program.
Where in fig. 3 a bus architecture (represented by bus 300), bus 300 may include any number of interconnected buses and bridges, bus 300 linking together various circuits including one or more processors, represented by processor 302, and memory, represented by memory 304. The bus 300 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 306 provides an interface between the bus 300 and the receiver 301 and transmitter 303. The receiver 301 and the transmitter 303 may be one and the same element, i.e. a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 302 is responsible for managing the bus 300 and general processing, and the memory 304 may be used for storing data used by the processor 302 in performing operations.
Example four
Based on the same inventive concept as the processing method of the high-precision navigation electronic map in the foregoing embodiment, the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of: obtaining first road information, wherein the first road information comprises a first road shape and a first road curvature; obtaining first vehicle characteristic information; obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information; obtaining first traffic information of a predetermined distance around the first road; obtaining second route planning information according to the first traffic information and the first vehicle characteristic information; determining cross information according to the first route planning information and the second route planning information; obtaining a first lane line type of the first road; determining first navigation driving route information according to the intersection information and the first lane line type, wherein the first navigation driving route information comprises a first spacing distance and a second spacing distance from the first lane line when the first vehicle drives on a first lane.
In a specific implementation, when the program is executed by a processor, any method step in the first embodiment may be further implemented.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
according to the processing method and device for the high-precision navigation electronic map, provided by the embodiment of the invention, first road information is obtained, wherein the first road information comprises a first road shape and a first road curvature; obtaining first vehicle characteristic information; obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information; obtaining first traffic information of a predetermined distance around the first road; obtaining second route planning information according to the first traffic information and the first vehicle characteristic information; determining cross information according to the first route planning information and the second route planning information; obtaining a first lane line type of the first road; determining first navigation driving route information according to the intersection information and the type of the first lane line, wherein the first navigation driving route information comprises a first spacing distance and a second spacing distance between the first vehicle and the first lane line when the first vehicle runs on the first lane, so that the technical problems that a navigation map cannot accurately position the shape of a road to the centimeter level and has low environmental perception degree on the periphery of the road in the prior art are solved, the real situation of the road is accurately reflected, accurate positioning of the vehicle is realized, the navigation accuracy is improved, and the technical effect of user experience is improved.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A processing method for a high-precision navigation electronic map is characterized by comprising the following steps:
obtaining first road information, wherein the first road information comprises a first road shape and a first road curvature;
obtaining first vehicle characteristic information, wherein the first vehicle characteristic information is vehicle type, vehicle width and vehicle restriction information of a first vehicle;
obtaining first route planning information according to the first road shape, the first road curvature and the first vehicle characteristic information;
acquiring first traffic information of a preset distance around the first road, wherein the first traffic information is the intersection information of the first road and other roads or the vehicle driving information of the other roads;
obtaining second route planning information according to the first traffic information and the first vehicle characteristic information;
determining cross information according to the first route planning information and the second route planning information, wherein the cross information is a collection of the first route planning information and the second route planning information;
obtaining a first lane line type of the first road;
determining first navigation driving route information according to the intersection information and the first lane line type, wherein the first navigation driving route information comprises a first separation distance and a second separation distance from the first lane line when the first vehicle drives on a first lane;
obtaining second road information of a predetermined distance around the first road;
the second road information is a road intersecting the first road within a predetermined distance;
determining first intersection information according to the second road information and the first road information;
setting a preset condition of the first intersection information;
the preset conditions include but are not limited to the existence of an obliquely inserted T-shaped intersection in the first intersection information, the existence of shielding of the sight of a driver, the absence of a red light at the intersection and a high accident rate intersection;
judging whether the first intersection information meets a preset condition or not;
when the first intersection information meets a preset condition, judging whether the first lane is adjacent to the first intersection;
and when the first lane is adjacent to the first intersection, sending first reminding information to the first vehicle, wherein the first reminding information is used for reminding the first vehicle to change the first lane to a second lane.
2. The method of claim 1, wherein the method further comprises:
determining first obstacle information on the first road according to the shape of the first road;
determining first obstacle avoidance information according to the first obstacle information and the first vehicle characteristic information;
acquiring first infrastructure information of the first road, wherein the first infrastructure information comprises deceleration track information, communication signals, road markings and stations;
determining second obstacle avoidance information according to the first infrastructure information;
and determining second navigation driving route information according to the first obstacle avoidance information and the second obstacle avoidance information.
3. The method of claim 1, wherein the method further comprises:
obtaining the first road gradient information;
determining first blind area information of a first driver according to the first vehicle characteristic information and the first road gradient information, wherein the range of the first blind area information is 0.1-100 m;
obtaining third obstacle information in the first blind area;
and sending first reminding information to the first driver according to the third obstacle information.
4. The method of claim 1, wherein the method further comprises:
obtaining second navigation route information of a second vehicle;
judging whether the second navigation route information and the first navigation driving route information have an intersecting route or not;
when the second navigation route information and the first navigation driving route information have an intersecting route, acquiring a first driving speed of the first vehicle and a second driving speed of the second vehicle;
determining a first encounter time according to the first running speed and the second running speed;
and sending second reminding information to the first vehicle according to the first meeting time.
5. A processing device for navigating an electronic map with high precision is characterized by comprising:
a first obtaining unit configured to obtain first road information, wherein the first road information includes a first road shape and a first road curvature;
a second obtaining unit, configured to obtain first vehicle characteristic information, where the first vehicle characteristic information is a vehicle type, a vehicle width, and vehicle restriction information of a first vehicle;
a third obtaining unit configured to obtain first route planning information from the first road shape, the first road curvature, and the first vehicle characteristic information;
a fourth obtaining unit, configured to obtain first traffic information of a predetermined distance around the first road, where the first traffic information is intersection information of the first road and another road or vehicle driving information of the another road;
a fifth obtaining unit, configured to obtain second route planning information according to the first traffic information and the first vehicle characteristic information;
a first determining unit, configured to determine, according to the first route planning information and the second route planning information, cross information, where the cross information is a collection of the first route planning information and the second route planning information;
a sixth obtaining unit configured to obtain a first lane line type of the first road;
a second determining unit, configured to determine first navigation driving route information according to the intersection information and the first lane line type, where the first navigation driving route information includes a first separation distance and a second separation distance from the first lane line when the first vehicle drives on a first lane;
a seventh obtaining unit configured to obtain second road information of a predetermined distance around the first road, the second road information being a road intersecting the first road within the predetermined distance;
a third determination unit configured to determine first intersection information based on the second road information and the first road information;
the first judgment unit is used for judging whether the first intersection information meets preset conditions or not, wherein the preset conditions include but are not limited to the fact that the first intersection information is obliquely inserted into a T-shaped intersection, the view of a driver is shielded, a red light is not arranged at the intersection, and an accident high-speed intersection;
the second judging unit is used for judging whether the first lane is adjacent to the first intersection or not when the first intersection information meets a preset condition;
the first operation unit is used for sending first reminding information to the first vehicle when the first lane is adjacent to the first intersection, wherein the first reminding information is used for reminding the first vehicle to change the first lane to the second lane.
6. A processing apparatus for navigating an electronic map with high precision, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method according to any one of claims 1 to 4 when executing the program.
7. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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