CN108898862A - The determination method, apparatus and electronic equipment of traffic light intersection - Google Patents

The determination method, apparatus and electronic equipment of traffic light intersection Download PDF

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Publication number
CN108898862A
CN108898862A CN201810718396.1A CN201810718396A CN108898862A CN 108898862 A CN108898862 A CN 108898862A CN 201810718396 A CN201810718396 A CN 201810718396A CN 108898862 A CN108898862 A CN 108898862A
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China
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section
traffic light
light intersection
road
chain
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CN201810718396.1A
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Chinese (zh)
Inventor
董磊
刘文涛
江畅
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Beijing Baidu Netcom Science and Technology Co Ltd
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Beijing Baidu Netcom Science and Technology Co Ltd
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Priority to CN201810718396.1A priority Critical patent/CN108898862A/en
Publication of CN108898862A publication Critical patent/CN108898862A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

The embodiment of the invention discloses the determination method, apparatus and electronic equipment of a kind of traffic light intersection, the method includes:Obtain the coordinate of each traffic light intersection and the static data of each section chain;At least one first road is generated according to by the corresponding each sequentially connected mode of section chain of the same road markings according to the location information of each section chain;According to the coordinate of each traffic light intersection, each first road is split, determines the relevant section of each traffic light intersection.That is the present embodiment, pass through the location information of each section chain, generate corresponding first road of the same road markings, it is split according to the first road of coordinate pair of traffic light intersection, automatically, each traffic light intersection is accurately determined out, the speed that its traffic light intersection determines is fast, and the determination of the traffic light intersection of batch may be implemented, high-efficient.

Description

The determination method, apparatus and electronic equipment of traffic light intersection
Technical field
The present embodiments relate to the determination method, apparatus of technical field of transportation more particularly to a kind of traffic light intersection and Electronic equipment.
Background technique
With the rapid growth of national economy, urbanization is effectively promoted as national development direction, thereupon Be metropolitan population and car ownership tremendous expansion.Urban traffic blocking is faced jointly with each city in the city whole nation The problem of.And as an archaism " haste brings no success ", on the road of congestion, reasonable traffic order is easy quilt It destroys.Especially at intersection, the crowded caused vehicle in a direction is overstock, and can finally enable the friendship in other directions of crossing Logical to be all affected, congestion becomes obstruction, and crossing traffic enters " deadlock " (Deadlock) state, makes originally that other directions are not originally The traffic of congestion paralyses, and then influences the efficiency of entire traffic network, serious waste society path resource.
But in the analysis of traffic signals crossing, it is necessary first to the relevant static data in crossing, including specific crossing position, The information such as semantization and import direction and each section of export direction, and then analyze the traffic condition at crossing.Have and passes through The mode of manual identified obtains the relevant static data in each crossing.But each crossing of analysis other for City-level, exist Data volume is big, the problem more than analysis data dimension, not only time-consuming to may cause again and road data mismatch by artificial mode The problem of, the case where batch disposably handles multiple crossings can not be solved.
Summary of the invention
The embodiment of the present invention provides the determination method, apparatus and electronic equipment of a kind of traffic light intersection.
In a first aspect, the embodiment of the present invention provides a kind of determination method of traffic light intersection, including:
Obtain the coordinate of each traffic light intersection and the static data of each section chain, wherein the section chain is the base in section This component units, the section are made of at least one section chain, and the static data of the section chain includes the section chain institute Belong to the road markings of road and the location information of the section chain;
According to the location information of each section chain, it is sequentially connected according to by the corresponding each section chain of the same road markings Mode, generate at least one first road;
According to the coordinate of each traffic light intersection, each first road is split, determines each traffic lights The relevant section in crossing.
In a kind of possible implementation of first aspect, the coordinate according to each traffic light intersection, to each described First road is split, and determines the relevant section of each traffic light intersection, including:
According to the coordinate of each traffic light intersection, each first road is split, generates the second road;
According to the seat of the beginning and end in each section in the coordinate of each traffic light intersection and each second road Mark, determines the relevant section of each traffic light intersection.
In the alternatively possible implementation of first aspect, the location information of the section chain includes the section chain Coordinate and direction.
In the alternatively possible implementation of first aspect, the location information according to each section chain is pressed It is also wrapped before generating at least one first road according to by the corresponding each sequentially connected mode of section chain of the same road markings It includes:
According to the direction of each section chain, judge whether each section chain is two-way section chain;
If so, each two-way section chain is split into two unidirectional section chains;
The location information according to the section chain connects according to by the corresponding each section chain of the same road markings The mode connect generates at least one first road, including:
The location information according to the section chain, according to by same by the corresponding direction phase of the same road markings The mode that same each unidirectional section chain is sequentially connected end to end, generates at least one first road.
In the alternatively possible implementation of first aspect, the coordinate according to each traffic light intersection is right Each first road is split, after determining the relevant section of each traffic light intersection, the method also includes:
According to the direction in the relevant section of the traffic light intersection and position and the position of the traffic light intersection, really Fixed each section is outlet section or the entrance ingress of the traffic light intersection.
In the alternatively possible implementation of first aspect, the coordinate for obtaining each traffic light intersection and each section The static data of chain, including:
The coordinate of each traffic light intersection and the static data of each section chain are obtained from basic road network.
In the alternatively possible implementation of first aspect, each traffic light intersection is obtained from basic road network Coordinate, including:
The position coordinate of each traffic lights is obtained from the basic road network;
Traffic lights of the distance in pre-determined distance are formed into a traffic lights according to the position coordinate of each traffic lights Crossing;
The center that each traffic lights of the traffic light intersection will be formed, the position as the traffic light intersection.
Second aspect, the embodiment of the present invention provide a kind of determining device of traffic light intersection, including:
Module is obtained, for obtaining the coordinate of each traffic light intersection and the static data of each section chain, wherein the section Chain is the basic component units in section, and the section is made of at least one section chain, and the static data of the section chain includes The road markings of the affiliated road of section chain and the location information of the section chain;
Generation module, for the location information according to each section chain, according to the same road markings is corresponding each The sequentially connected mode of section chain generates at least one first road;
Determining module is split each first road for the coordinate according to each traffic light intersection, determines The relevant section of each traffic light intersection.
In a kind of possible implementation of second aspect, the determining module, including:
Cutting unit is split each first road for the coordinate according to each traffic light intersection, generates Second road;
First determination unit, for according to each traffic light intersection coordinate and each road second road Zhong Ge The coordinate of the beginning and end of section, determines the relevant section of each traffic light intersection.
In the alternatively possible implementation of second aspect, the location information of the section chain includes the section chain Coordinate and direction.
In the alternatively possible implementation of second aspect, described device further includes:Judgment module and fractionation module;
The judgment module judges whether each section chain is two-way road for the direction according to each section chain Section chain;
The fractionation module, if judging that the section chain, will be each described for two-way section chain for the judgment module Two-way section chain splits into two unidirectional section chains;
The generation module, with specific reference to the location information of the section chain, according to the same road markings is corresponding The mode that the identical each unidirectional section chain in direction is sequentially connected end to end, generates at least one first road.
In the alternatively possible implementation of second aspect,
The determining module is also used to according to the direction in the relevant section of the traffic light intersection and position and described The position of traffic light intersection determines that each section is outlet section or the entrance ingress of the traffic light intersection.
In the alternatively possible implementation of second aspect,
The acquisition module, specifically for obtained from basic road network each traffic light intersection coordinate and each road The static data of section chain.
In the alternatively possible implementation of second aspect, the acquisition module includes:
Acquiring unit, for obtaining the position coordinate of each traffic lights from the basic road network;
Component units, for the position coordinate according to each traffic lights, by traffic lights of the distance in pre-determined distance, group At a traffic light intersection;
Second determination unit, the center of each traffic lights for the traffic light intersection will to be formed, as described red The position at green light crossing.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, including:
Memory, for storing computer program;
Processor, for executing the computer program, to realize the determination side of traffic light intersection described in first aspect Method.
Fourth aspect, the embodiment of the present invention provide a kind of computer storage medium, store computer in the storage medium Program, the computer program are used to execute the determination method of traffic light intersection described in first aspect.
The determination method, apparatus and electronic equipment of traffic light intersection provided in an embodiment of the present invention, it is each red green by obtaining The static data of the coordinate at lamp crossing and each section chain, wherein the section chain is the basic component units in section, the section The static data of chain includes the road markings of the affiliated road of the section chain and the location information of the section chain;According to each described The corresponding each section chain of the same road markings is sequentially connected by the location information of section chain, generates the first road;According to each institute The coordinate for stating traffic light intersection is split each first road, determines the relevant section of each traffic light intersection.I.e. The present embodiment generates corresponding first road of the same road markings, according to red green by the location information of each section chain First road of coordinate pair at lamp crossing is split, and automatically, accurately determines out each traffic light intersection, traffic light intersection determines Speed it is fast, and the determination of the traffic light intersection of batch may be implemented, it is high-efficient.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram of the determination method for the traffic light intersection that the embodiment of the present invention one provides;
Fig. 2 is the schematic diagram that a kind of traffic light intersection that the embodiment of the present invention one is related to divides the first road;
Fig. 3 is the flow example figure of the determination method of traffic light intersection provided by Embodiment 2 of the present invention;
Fig. 4 is a kind of schematic diagram for the second road that the embodiment of the present invention two is related to;
Fig. 5 is the flow example figure of the determination method for the traffic light intersection that the embodiment of the present invention three provides;
Fig. 6 is the flow example figure of the determination method for the traffic light intersection that the embodiment of the present invention four provides;
Fig. 7 is the structural schematic diagram of the determining device for the traffic light intersection that the embodiment of the present invention one provides;
Fig. 8 is the structural schematic diagram of the determining device of traffic light intersection provided by Embodiment 2 of the present invention;
Fig. 9 is the structural schematic diagram of the determining device for the traffic light intersection that the embodiment of the present invention three provides;
Figure 10 is the structural schematic diagram of the determining device for the traffic light intersection that the embodiment of the present invention four provides;
Figure 11 is the structural schematic diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The technical solution of the present embodiment, for determining that the static data of traffic light intersection specifically determines traffic light intersection The information such as position, the direction in relevant each section can provide basis for tasks such as subsequent railway network planning or traffic congestions.
Technical solution provided in an embodiment of the present invention, by obtaining the coordinate of each traffic light intersection and the static state of each section chain The corresponding each section chain of the same road markings is sequentially connected by data then according to the location information of the section chain, is generated First road, and according to the coordinate of each traffic light intersection, each first road is split, determines each traffic lights road The relevant section of mouth, and then realize automatic, the accurate determination to traffic light intersection, and improve the speed that traffic light intersection determines Degree.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the flow diagram of the determination method for the traffic light intersection that the embodiment of the present invention one provides.It should be such as Fig. 1 institute Show, the method for the present embodiment may include:
The static data of S101, the coordinate for obtaining each traffic light intersection and each section chain, wherein the section chain is section Basic component units, the section is made of at least one section chain, and the static data of the section chain includes the section The road markings of the affiliated road of chain and the location information of the section chain.
The executing subject of the present embodiment can be the determining device that the traffic light intersection of function is determined with traffic light intersection, The determining device of the traffic light intersection of the present embodiment can be a part of electronic equipment, for example, processor of electronic equipment. The determining device of the traffic light intersection of optional the present embodiment can also be individual electronic equipment.
The electronic equipment of the present embodiment can be smart phone, desktop computer, laptop etc. with traffic light intersection Determine the electronic equipment of function.
The present embodiment is illustrated so that executing subject is electronic equipment as an example.
The traffic light intersection of the present embodiment is the road current with multiple directions being made of one or more traffic lights Road crosspoint.
Section described in the present embodiment is made of at least one section chain, such as section a first by section chain 1 and section chain 2 Tail is in turn connected to form.
I.e. section chain be road net data in section basic component units.
Road is made of multiple sections.
The static data of section chain includes the road markings of the affiliated road of the section chain and the position letter of the section chain Breath.
For example, section chain 1 belongs to road a, and the road markings of road a is therefore a is wrapped in the static data of section chain 1 Road markings a is included, further includes the basic statics data such as coordinate, length of section chain 1.
Optionally, the static data of section chain further includes the direction of section chain.
The present embodiment to the method for the static data for the coordinate and each section chain for obtaining each traffic light intersection with no restrictions, example Such as, when the static data of the coordinate and each section chain of preserving each traffic light intersection in cloud server, electronic equipment can be with The coordinate of each traffic light intersection and the static data of each section chain are obtained from cloud server.
In a kind of possible implementation of the present embodiment, electronic equipment obtains each traffic light intersection from basic road network Coordinate and each section chain static data.
S102, according to the location information of each section chain, according to by the corresponding each section chain of the same road markings according to The mode of secondary connection generates at least one first road.
Specifically, obtaining the static data of each section chain according to above-mentioned steps, wherein include in the static data of section chain The location information of section chain, which, which can be coordinate and direction of section chain etc., indicates the information of section chain position.
Then, according to the road markings of the affiliated road of each section chain, the same road sign is identified into corresponding each section chain and is returned Class.
Then, the location information that corresponding each section chain is identified according to the same road sign, these section chains are sequentially connected, Generate the first road.
For example, the corresponding section chain of road markings a has section chain 1 and section chain 2.According to the head of section chain 1 and section chain 2 Section chain 1 and section chain 2 are sequentially connected and generate the first road 1 by the location information of tail, such as coordinate and direction.
In this way, according to aforesaid way, it is according to the location information of each section chain, the same road markings is corresponding each Section chain is sequentially connected, and generates multiple first roads.
It in the present embodiment, is the road of connection according to the first road that aforesaid way generates.
Optionally, in order to improve the accuracy of above-mentioned the first road of acquisition, the present embodiment is also using the side reversely verified Formula verifies each first road of above-mentioned generation.
S103, according to the coordinate of each traffic light intersection, each first road is split, is determined each described red The relevant section in green light crossing.
Specifically, each first road is obtained according to above-mentioned steps S102, each traffic light intersection obtained according to step S101 Coordinate.
Then, according to the coordinate of each traffic light intersection, each first road is split, determines traffic light intersection Position in one road.
After traffic light intersection and the first road are combined, the relevant each section of traffic light intersection can be determined, And then it realizes and traffic light intersection is accurately identified.
For example, the coordinate of traffic light intersection 1 is just as shown in Fig. 2, the first road 1 and the first road 2 are the road of intersection In the crosspoint of the first road 1 and the first road 2, divide the first road 1 and the first road 2 using traffic light intersection 1, into And determining the relevant section of traffic light intersection 1 is section 1, section 2, section 3 and section 4.
Optionally, the position and the relevant section of the traffic light intersection of traffic light intersection are determined according to aforesaid way Afterwards, the information of the semantization of above- mentioned information is generated.
For example, generate section traffic light intersection location information (such as in traffic light intersection from north orientation south to road Section), the information such as the positional relationship in length, direction and the mark in section in section and section and other sections of surrounding.
In the present embodiment, in the coordinate according to each traffic light intersection, each first road is split, really After determining the relevant section of each traffic light intersection, the relevant section of traffic light intersection is screened, filters out and is located at together Section between one traffic light intersection.
For example, traffic light intersection 1 includes traffic lights 1 and traffic lights 2, wherein the distance between traffic lights 1 and traffic lights 2 are 50m.According to aforesaid way, after being split using traffic light intersection 1 to the first road, the relevant road of traffic light intersection is generated Section 1 and section 2.If the beginning and end in section 1 is between traffic lights 1 and traffic lights 2, at this point it is possible to determine that section 1 is red Section inside green light crossing 1, belongs to the section outside traffic light intersection 1, then deletes section 1.
In the present embodiment, according to above-mentioned steps, after generating the relevant section of each traffic light intersection, to the red of generation The section chain at green light crossing, the relevant section of traffic light intersection and these sections shows in several ways.Such as by Elastic Search, establishes spatial index, scans for specified crossing, and the relevant sky of traffic light intersection is shown on map Between location information and attribute information, intuitively identify traffic light intersection convenient for user.
The determination method of traffic light intersection provided in an embodiment of the present invention, by obtaining the coordinate of each traffic light intersection and each The static data of section chain, wherein the section chain is the basic component units in section, and the static data of the section chain includes The road markings of the affiliated road of section chain and the location information of the section chain;Believed according to the position of each section chain Breath, the corresponding each section chain of the same road markings is sequentially connected, and generates the first road;According to each traffic light intersection Coordinate is split each first road, determines the relevant section of each traffic light intersection.That is the present embodiment passes through The location information of each section chain generates corresponding first road of the same road markings, according to the coordinate of traffic light intersection First road is split, automatically, accurately determines out each traffic light intersection, the speed that traffic light intersection determines is fast, and The determination of the traffic light intersection of batch may be implemented, it is high-efficient.
In a kind of possible implementation of the present embodiment, after above-mentioned S103, the method for the present embodiment further includes:
S104, according to the direction in the relevant section of the traffic light intersection and position and the position of the traffic light intersection It sets, determines that each section is outlet section or the entrance ingress of the traffic light intersection.
Specifically, according to above-mentioned steps, after obtaining the relevant section of traffic light intersection, for the ease of illustrating, this implementation These sections are denoted as the first section by example.According to the direction of each section chain in the first section of composition and coordinate, can determine each The position (i.e. the coordinate of beginning and end) and direction (i.e. the direction of section chain) in the first section.
It is illustrated by taking first section 1 and a traffic light intersection 1 as an example, it is assumed that the starting point coordinate in the first section 1 It is identical as the coordinate of a traffic lights in traffic light intersection 1, and the terminal point coordinate in the first section 1 with it is each red in traffic light intersection 1 The coordinate of green light is all different, and the direction for deviating from traffic light intersection 1 is directed toward in the direction in the first section 1, and then can determine the A road section 1 is the outlet section of traffic light intersection 1.
Assuming that the terminal point coordinate in the first section 1 is identical as the coordinate of a traffic lights in traffic light intersection 1, and the first section The coordinate of 1 starting point coordinate and each traffic lights in traffic light intersection 1 is all different, and traffic lights are directed toward in the direction in the first section 1 The direction at crossing 1, and then can determine that the first section 1 is the entrance ingress of traffic light intersection 1.
According to the above method, it can accurately determine that the corresponding section of traffic light intersection is the outlet section of traffic light intersection Or entrance ingress lays the foundation for later traffic congestion judgement.
Fig. 3 is the flow example figure of the determination method of traffic light intersection provided by Embodiment 2 of the present invention.In above-mentioned implementation Example on the basis of, the present embodiment what is involved is, according to the coordinate of each traffic light intersection, each first road is split, Determine the detailed process in the relevant section of each traffic light intersection.As shown in figure 3, above-mentioned S103 can specifically include:
S201, according to the coordinate of each traffic light intersection, each first road is split, generate second Road.
This step judges whether the first road passes through according to the coordinate of the location information of the first road and traffic light intersection Traffic light intersection, if so, the first lane segmentation is generated the second road using traffic light intersection.
With continued reference to shown in Fig. 4, the first road 3 passes through traffic light intersection 2, divides the first road using traffic light intersection 2 3, form the second road 3.
Referring to the above method, judge whether each first road passes through each traffic light intersection, for example, by each traffic light intersection Coordinate bring into the equation of each first road, judge whether traffic light intersection meets the equation of the first road, if so, determine First road passes through traffic light intersection.
In this way, can be split according to the coordinate of each traffic light intersection to each first road, generate multiple Second road.
S202, according to the starting point in each section and end in the coordinate and each second road of each traffic light intersection The coordinate of point, determines the relevant section of each traffic light intersection.
In this step, according to above-mentioned steps, after generating each second road, rising for each section in each second road is obtained Point coordinate and terminal point coordinate.
The positional relationship for judging each section and traffic light intersection in the second road determines the relevant road of traffic light intersection Section.Specifically, filter out the section inside traffic light intersection, and by outside traffic light intersection, and the beginning or end in section with The section that the coordinate of traffic light intersection is overlapped, is determined as the relevant section of traffic light intersection.
For example, second road 3 of generation includes section 5, road as shown in figure 4, traffic light intersection 2 divides the first road 3 Section 6 and section 7.Wherein, the starting point in section 6 is identical as the coordinate of traffic lights 1 in traffic light intersection 2, the terminal in section 6 with it is red green The coordinate of traffic lights 2 is identical in lamp crossing 2, can determine that section 6 is the section inside traffic light intersection 2 at this time, delete section 6。
Next, it is determined that the positional relationship in section 5 and section 7 and traffic light intersection 2, wherein the starting point coordinate in section 5 with it is red The coordinate at green light crossing 1 is overlapped, and the terminal point coordinate in section 5 is not overlapped with the coordinate of traffic light intersection 1 and traffic light intersection 2, It can determine that section 5 is the section outside traffic light intersection 2.And it can determine that section 5 is the outlet section of traffic light intersection 2.
The terminal point coordinate in section 7 is overlapped with the coordinate of traffic light intersection 2, the terminal point coordinate in section 7 and traffic light intersection 1 and The coordinate of traffic light intersection 2 is not overlapped, can determine that section 7 is the section outside traffic light intersection 2, and can determine section 7 be the entrance ingress of traffic light intersection 2.
Referring to the above method, according to each section in the coordinate of each traffic light intersection and each second road The coordinate of beginning and end determines the relevant section of each traffic light intersection, and then improves the relevant road of traffic light intersection The determination accuracy of section.
The determination method of traffic light intersection provided in an embodiment of the present invention passes through the seat according to each traffic light intersection Mark, is split each first road, generates the second road;According to the coordinate of each traffic light intersection and each institute The coordinate for stating the beginning and end in each section in the second road determines the relevant section of each traffic light intersection, further mentions The high determination accuracy in the relevant section of traffic light intersection.
Fig. 5 is the flow example figure of the determination method for the traffic light intersection that the embodiment of the present invention three provides.In above-mentioned implementation On the basis of example, what is involved is according to the location information of the section chain, the same road markings is corresponding each for the present embodiment Section chain is attached, and generates the detailed process of the first road.As shown in figure 5, the present embodiment may include:
S301, according to the direction of each section chain, judge whether each section chain is two-way section chain.
S302, if so, each two-way section chain is split into two unidirectional section chains.
It include coordinate and the direction of section chain of section chain in the location information for the section chain that the present embodiment obtains.
In practice, road is divided into one-way road and two-way road.Therefore, the direction of section chain can be unidirectional or double To.
It is to be attached to the section chain in the same direction, therefore, the present embodiment is right in the connection procedure of section chain Section chain is attached, and before generating road, needs to split into two-way section chain into two unidirectional section chains.
Specifically, according to the direction of each section chain, two-way section chain is obtained, two-way section chain is split into unidirectional section chain And be identified respectively, for example, section chain 1 is two-way section chain, splits section chain 1 and generate a unidirectional section chain 2 and one Unidirectional section chain 3, at this point, unidirectional section chain 2 and unidirectional section chain 3 are different section chains, specifically, direction is different, but It is that other static datas (for example, road markings of affiliated road) are identical.
S303, according to the location information of the section chain, according to the corresponding direction of the same road markings is identical each The mode that unidirectional section chain is sequentially connected end to end, generates at least one first road.
Specifically, each two-way section chain that will acquire splits into unidirectional section chain according to aforesaid way, road is allowed to carry out Section chain used in planning process is unidirectional section chain.By the identical each unidirectional road in the corresponding direction of the same road markings Section chain is sequentially connected end to end, and generates the first road, and then improves the accuracy for generating the first road.
The determination method of traffic light intersection provided in an embodiment of the present invention, by the way that each two-way section chain is split into two The identical each unidirectional section chain in the corresponding direction of the same road markings is sequentially connected end to end by a unidirectional section chain, generates the One road, and then the generation accuracy of the first road is improved, improve the subsequent traffic light intersection determined based on the first road Accuracy.
Fig. 6 is the flow example figure of the determination method for the traffic light intersection that the embodiment of the present invention four provides.In above-mentioned implementation On the basis of example, what is involved is obtain the detailed process of the coordinate of each traffic light intersection to the present embodiment from basic road network. As shown in fig. 6, the present embodiment may include:
S401, the position coordinate that each traffic lights are obtained from the basic road network.
S402, according to the position coordinate of each traffic lights, by traffic lights of the distance in pre-determined distance, composition one is red Green light crossing.
S403, will form the traffic light intersection each traffic lights center, the position as the traffic light intersection It sets.
In practical applications, the position coordinate of each traffic lights is preserved in basic road network, rather than the seat of traffic light intersection Mark, therefore, it is necessary to the position coordinates according to each traffic lights, determine the coordinate of traffic light intersection.
Specifically, after the position coordinate for obtaining each traffic lights, according to the position coordinate of each traffic lights, calculate each traffic lights it Between distance, each traffic lights of the distance within pre-determined distance (such as 100m) are divided into one group, each traffic lights structure in the group At a traffic light intersection.
It, then can be by the corresponding each, traffic lights of the same traffic light intersection for the ease of the above-mentioned segmentation to the first road Center, the position as the traffic light intersection.
For example, traffic light intersection 1 includes traffic lights 1, traffic lights 2, traffic lights 3 and traffic lights 4, the wherein seat of traffic lights 1 It is designated as (100,100), the coordinate that the coordinate of traffic lights 2 is (200,100), the coordinate of traffic lights 3 is (150,50), traffic lights 4 For (150,150), in this way, can be using the center point for the square that above-mentioned 4 traffic lights form as traffic light intersection 1 Position, the i.e. position of traffic light intersection are (100,150).
The determination method of traffic light intersection provided in an embodiment of the present invention, by being sat according to the point of each traffic lights Mark, by traffic lights of the distance in pre-determined distance, forms a traffic light intersection;The each red green of the traffic light intersection will be formed The accurate determination to traffic light intersection coordinate is realized as the position of the traffic light intersection in the center of lamp.
Fig. 7 is the structural schematic diagram of the determining device for the traffic light intersection that the embodiment of the present invention one provides.As shown in fig. 7, The determining device 100 of the traffic light intersection of the present embodiment may include:
Module 110 is obtained, for obtaining the coordinate of each traffic light intersection and the static data of each section chain, wherein described Section chain is the basic component units in section, and the section is made of at least one section chain, the static data of the section chain The location information of road markings and the section chain including the affiliated road of the section chain;
Generation module 120, for the location information according to each section chain, according to the same road markings is corresponding Each sequentially connected mode of section chain, generates at least one first road;
Determining module 130 is split each first road for the coordinate according to each traffic light intersection, Determine the relevant section of each traffic light intersection.
The determining device of the traffic light intersection of the embodiment of the present invention can be used for executing the skill of above-mentioned shown embodiment of the method Art scheme, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Fig. 8 is the structural schematic diagram of the determining device of traffic light intersection provided by Embodiment 2 of the present invention.In above-mentioned implementation On the basis of example, as shown in figure 8, the determining module 130 of the present embodiment, including:
Cutting unit 131 is split each first road for the coordinate according to each traffic light intersection, Generate the second road;
First determination unit 132, for each in the coordinate and each second road according to each traffic light intersection The coordinate of the beginning and end in section determines the relevant section of each traffic light intersection.
In a kind of possible implementation of the present embodiment, the location information of the section chain includes the section chain Coordinate and direction.
The determining device of the traffic light intersection of the embodiment of the present invention can be used for executing the skill of above-mentioned shown embodiment of the method Art scheme, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Fig. 9 is the structural schematic diagram of the determining device for the traffic light intersection that the embodiment of the present invention three provides.In above-mentioned implementation On the basis of example, as shown in figure 9, the determining device 100 of the traffic light intersection of the present embodiment further includes:It judgment module 140 and tears open Sub-module 150;
The judgment module 140 judges whether each section chain is two-way for the direction according to each section chain Section chain;
The fractionation module 150, if judging that the section chain, will for two-way section chain for the judgment module 140 Each two-way section chain splits into two unidirectional section chains;
The generation module 120, specifically for the location information according to the section chain, according to by the same road markings The mode that the identical each unidirectional section chain in corresponding direction is sequentially connected end to end, generates at least one first road.
In a kind of possible implementation of this implementation, the determining module 130 is also used to according to the traffic lights road The direction and position in the relevant section of mouth and the position of the traffic light intersection, determine that each section is the traffic lights The outlet section at crossing or entrance ingress.
In the alternatively possible implementation of this implementation, the acquisition module, specifically for being obtained from basic road network Take the coordinate of each traffic light intersection and the static data of each section chain.
The determining device of the traffic light intersection of the embodiment of the present invention can be used for executing the skill of above-mentioned shown embodiment of the method Art scheme, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Figure 10 is the structural schematic diagram of the determining device for the traffic light intersection that the embodiment of the present invention four provides.In above-mentioned implementation On the basis of example, as shown in Figure 10, the acquisition module 110 of the present embodiment includes:
Acquiring unit 111, for obtaining the position coordinate of each traffic lights from the basic road network;
Component units 112 are red green in pre-determined distance by distance for the position coordinate according to each traffic lights Lamp forms a traffic light intersection;
Second determination unit 113, the center of each traffic lights for the traffic light intersection will to be formed, as described The position of traffic light intersection.
The determining device of the traffic light intersection of the embodiment of the present invention can be used for executing the skill of above-mentioned shown embodiment of the method Art scheme, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Figure 11 is the structural schematic diagram of electronic equipment provided in an embodiment of the present invention, as shown in figure 11, the electricity of the present embodiment Sub- equipment 200 includes:
Memory 220, for storing computer program;
Processor 230, for executing the computer program, to realize the determination method of above-mentioned traffic light intersection, in fact Existing principle is similar with technical effect, and details are not described herein again.
Further, when at least part function of the determination method of traffic light intersection in the embodiment of the present invention passes through software When realization, the embodiment of the present invention also provides a kind of computer storage medium, and computer storage medium is above-mentioned to red for being stored as The computer software instructions of the determination at green light crossing allow computer to execute above-mentioned side when run on a computer The determination method of various possible traffic light intersections in method embodiment.The computer execution is loaded and executes on computers to refer to When enabling, can entirely or partly it generate according to process or function described in the embodiment of the present invention.The computer instruction can be deposited Storage is transmitted in computer storage medium, or from a computer storage medium to another computer storage medium, described Transmission can be by wireless (such as cellular communication, infrared, short-distance wireless, microwave etc.) mode to another web-site, meter Calculation machine, server or data center are transmitted.The computer storage medium can be that computer can access it is any can It either include the data storage devices such as one or more usable mediums integrated server, data center with medium.It is described can It can be magnetic medium with medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (example Such as SSD).
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that:Its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (16)

1. a kind of determination method of traffic light intersection, which is characterized in that including:
Obtain the coordinate of each traffic light intersection and the static data of each section chain, wherein the section chain is basic group of section At unit, the section is made of at least one section chain, and the static data of the section chain includes the affiliated road of the section chain The location information of the road markings on road and the section chain;
According to the location information of each section chain, according to by the corresponding each sequentially connected side of section chain of the same road markings Formula generates at least one first road;
According to the coordinate of each traffic light intersection, each first road is split, determines each traffic light intersection Relevant section.
2. the method according to claim 1, wherein the coordinate according to each traffic light intersection, to each described First road is split, and determines the relevant section of each traffic light intersection, including:
According to the coordinate of each traffic light intersection, each first road is split, generates the second road;
According to the coordinate of the beginning and end in each section in the coordinate of each traffic light intersection and each second road, Determine the relevant section of each traffic light intersection.
3. method according to claim 1 or 2, which is characterized in that the location information of the section chain includes the section The coordinate of chain and direction.
4. according to the method described in claim 3, it is characterized in that, the location information according to each section chain, according to Further include before generating at least one first road by the corresponding each sequentially connected mode of section chain of the same road markings:
According to the direction of each section chain, judge whether each section chain is two-way section chain;
If so, each two-way section chain is split into two unidirectional section chains;
The location information according to the section chain, according to be attached the corresponding each section chain of the same road markings Mode generates at least one first road, including:
According to the location information of the section chain, according to by the identical each unidirectional section chain in the corresponding direction of the same road markings The mode being sequentially connected end to end generates at least one first road.
5. the method according to claim 1, wherein the coordinate according to each traffic light intersection, to each First road is split, after determining the relevant section of each traffic light intersection, the method also includes:
According to the direction in the relevant section of the traffic light intersection and position and the position of the traffic light intersection, determine each The section is outlet section or the entrance ingress of the traffic light intersection.
6. the method according to claim 1, wherein the coordinate for obtaining each traffic light intersection and each section chain Static data, including:
The coordinate of each traffic light intersection and the static data of each section chain are obtained from basic road network.
7. according to the method described in claim 6, it is characterized in that, obtaining the seat of each traffic light intersection from basic road network Mark, including:
The position coordinate of each traffic lights is obtained from the basic road network;
Traffic lights of the distance in pre-determined distance are formed into a traffic light intersection according to the position coordinate of each traffic lights;
The center that each traffic lights of the traffic light intersection will be formed, the position as the traffic light intersection.
8. a kind of determining device of traffic light intersection, which is characterized in that including:
Module is obtained, for obtaining the coordinate of each traffic light intersection and the static data of each section chain, wherein the section chain is The basic component units in section, the section are made of at least one section chain, and the static data of the section chain includes described The road markings of the affiliated road of section chain and the location information of the section chain;
Generation module, for the location information according to each section chain, according to by the corresponding each section of the same road markings The sequentially connected mode of chain generates at least one first road;
Determining module is split each first road, determines each institute for the coordinate according to each traffic light intersection State the relevant section of traffic light intersection.
9. device according to claim 8, which is characterized in that the determining module, including:
Cutting unit is split each first road for the coordinate according to each traffic light intersection, generates second Road;
First determination unit, for each section in the coordinate and each second road according to each traffic light intersection The coordinate of beginning and end determines the relevant section of each traffic light intersection.
10. device according to claim 8 or claim 9, which is characterized in that the location information of the section chain includes the section The coordinate of chain and direction.
11. device according to claim 10, which is characterized in that described device further includes:Judgment module and fractionation module;
The judgment module judges whether each section chain is two-way section chain for the direction according to each section chain;
The fractionation module, if judging that the section chain, will be each described two-way for two-way section chain for the judgment module Section chain splits into two unidirectional section chains;
The generation module, specifically for the location information according to the section chain, according to the same road markings is corresponding The mode that the identical each unidirectional section chain in direction is sequentially connected end to end, generates at least one first road.
12. device according to claim 8, which is characterized in that
The determining module is also used to according to the direction in the relevant section of the traffic light intersection and position and described red green The position at lamp crossing determines that each section is outlet section or the entrance ingress of the traffic light intersection.
13. device according to claim 8, which is characterized in that
The acquisition module, specifically for obtained from basic road network each traffic light intersection coordinate and each section chain Static data.
14. device according to claim 13, which is characterized in that the acquisition module includes:
Acquiring unit, for obtaining the position coordinate of each traffic lights from the basic road network;
Component units, for the position coordinate according to each traffic lights, by traffic lights of the distance in pre-determined distance, composition one A traffic light intersection;
Second determination unit, the center of each traffic lights for the traffic light intersection will to be formed, as the traffic lights The position at crossing.
15. a kind of electronic equipment, which is characterized in that including:
Memory, for storing computer program;
Processor, for executing the computer program, to realize such as traffic light intersection of any of claims 1-7 Determination method.
16. a kind of computer storage medium, which is characterized in that store computer program, the computer in the storage medium Program realizes the determination method such as traffic light intersection of any of claims 1-7 when being executed.
CN201810718396.1A 2018-07-03 2018-07-03 The determination method, apparatus and electronic equipment of traffic light intersection Pending CN108898862A (en)

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