CN104776855B - The air navigation aid and device of a kind of intersection - Google Patents
The air navigation aid and device of a kind of intersection Download PDFInfo
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- CN104776855B CN104776855B CN201510117724.9A CN201510117724A CN104776855B CN 104776855 B CN104776855 B CN 104776855B CN 201510117724 A CN201510117724 A CN 201510117724A CN 104776855 B CN104776855 B CN 104776855B
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- next intersection
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3632—Guidance using simplified or iconic instructions, e.g. using arrows
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
Abstract
The embodiment of the invention discloses a kind of air navigation aid of intersection, including：Travel route is cooked up on navigation map according to origin and destination；If current location and the parameter value of the distance of next intersection reach first threshold, the parameter value of the topology parameter of next intersection is obtained；If current location and the parameter value of the distance of next intersection reach Second Threshold, the simulation icon of next intersection is drawn on the navigation map according to the parameter value of the topology parameter, and mark travel direction is put on according to simulation drawing of the vehicle line in next intersection；Wherein, the first threshold is more than the Second Threshold.Accordingly, the embodiment of the present invention additionally provides a kind of guider of intersection, using the present invention, easily indicates the travel direction of intersection.
Description
Technical field
The present invention relates to the air navigation aid and device of field of map navigation, more particularly to a kind of intersection.
Background technology
The use of navigation map based on location technology is more and more extensive, user inputted on navigation map initial address and
Destination address, navigation map can go out travel route according to the demand planning of user, and user can be efficiently from according to travel route
Beginning, address was to destination address.When user reaches intersection, because there is a plurality of road intersection, in order to which instruction user is correct
Travel, navigation map is using crossing schematic diagram target mode come the correct travel direction of instruction user.Led in current
Navigate in map, icon is illustrated by the way of being handled under line in crossing, is the similar crossroad of polytype by graphic designer
Mouth designs same crossing signal icon, is bundled in the form of resource file in the memory of guider, when user reaches
During intersection, a crossing signal icon is selected to be shown on screen according to crossing types value.
The problem of this mode is present be：The crossing signal icon of intersection defines when being processing data under line,
Crossing schematic diagram target quantity is extremely limited, it is impossible to intersection complicated and changeable is represented well, it is schematically not strong enough.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided the air navigation aid and device of a kind of intersection.
Can solve the problems, such as that the instruction icon instruction of intersection in the prior art is unclear.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of air navigation aid of intersection, including：
Travel route is cooked up on navigation map according to origin and destination；
If current location and the parameter value of the distance of next intersection reach first threshold, next crossroad is obtained
The parameter value of the topology parameter of mouth；
If current location and the parameter value of the distance of next intersection reach Second Threshold, according to the topological shape
The parameter value of shape parameter draws the simulation icon of next intersection on the navigation map, and according to the traveling
Simulation drawing of the circuit in next intersection puts on mark travel direction；Wherein, the first threshold is more than described second
Threshold value.
Correspondingly, the embodiment of the present invention additionally provides a kind of guider of intersection, including：
Planning module, for cooking up travel route on navigation map according to origin and destination；
Acquisition module, if reaching first threshold for the parameter value of current location and the distance of next intersection, obtain
The parameter value of the topology parameter of next intersection；
Display module, if reaching Second Threshold for the parameter value of current location and the distance of next intersection,
The simulation icon of next intersection is drawn on the navigation map according to the parameter value of the topology parameter, with
And mark travel direction is put on according to simulation drawing of the vehicle line in next intersection；Wherein, first threshold
Value is more than the Second Threshold.
Implement the embodiment of the present invention, have the advantages that：
The topology parameter of next intersection is obtained in real time, is drawn according to topology parameter on navigation map
Icon is simulated, and mark travel direction is put in simulation drawing, the number of types of intersection is unrestricted, can represent various
Complicated crossing, drivers can be directly viewable simulation icon and determine travel direction in intersection, be user-friendly.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of the air navigation aid of intersection provided in an embodiment of the present invention；
Fig. 2 is a kind of another schematic flow sheet of the air navigation aid of intersection provided in an embodiment of the present invention；
Fig. 3 is a kind of principle schematic of the air navigation aid of intersection provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of the guider of intersection provided in an embodiment of the present invention；
Fig. 5 is a kind of another structural representation of the guider of intersection provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The guider of the embodiment of the present invention can be built-in with GPS navigation system, triones navigation system, Galileo navigation
The terminal device of system or GNOSS navigation system or the terminal device for being built-in with other navigation system, the present invention is not
It is restricted.
It is a kind of schematic flow sheet of the air navigation aid of intersection provided in an embodiment of the present invention, in this hair referring to Fig. 1
In bright embodiment, methods described includes：
S101, travel route cooked up on navigation map according to origin and destination.
Specifically, origin and destination that guider inputs according to user on navigation map cook up traveling
Route, if the restrictive condition that user is set, such as do not walk at a high speed, without charge station, avoid the restrictive condition of congestion, planning
Also need to consider restrictive condition during form route.
If S102, current location and the parameter value of the distance of next intersection reach first threshold, obtain described next
The parameter value of the topology parameter of intersection.
Specifically, guider obtains the coordinate of current location and the central point of next intersection according to GPS module
Coordinate, according to the parameter value of the distance of two coordinates can calculate current location and next intersection distance value, it is necessary to
Illustrating, the parameter value for calculating the distance of current location and next intersection also needs to the parameters such as the curvature of reference line,
Accurately to calculate the parameter value of current location and next intersection distance.Guider is moving along travel route
During, current location is constantly changing, and the parameter value of the distance of current location and next intersection is to gradually decrease
, when current location and the parameter value of the distance of next intersection reach first threshold, obtain the topology of next intersection
The parameter value of form parameter, topology parameter include：The number of degrees of angle between each road, the direction attribute of each road
Property value, direction attribute includes two-way, two-way, south-north direction, east-west etc..
If S103, current location and the parameter value of the distance of next intersection reach Second Threshold, according to described
The parameter value of topology parameter draws the simulation icon of next intersection on the navigation map, and according to institute
State simulation drawing of the vehicle line in next intersection and put on mark travel direction；Wherein, the first threshold is more than institute
State Second Threshold.
Specifically, guider continues to move to next intersection, the current location of guider and next crossroad
The parameter value of the distance between mouth gradually decreases, and current location and the parameter value of the distance of next intersection reach Second Threshold
When, Second Threshold is less than first threshold, is being led according to the parameter value of the topology parameter of the S102 next intersections obtained
The simulation icon of next intersection is drawn on boat map, simulation icon is identical with the topology of next intersection, can be with
It is considered as the miniature version of next intersection, while guider is put on to mark out in simulation drawing needs travel direction.For example, simulation
Icon is crossroad, and travel direction is by east to west, then is identified in simulation drawing target by the arrow in central point sensing west.
Wherein, simulation icon may be displayed on the position of the top of navigation map, be easy to driver to check, it is not necessary to see that map can
So which direction running toward crossing determined.
Implement embodiments of the invention, the topology parameter of next intersection is obtained in real time, according to topology
Parameter draws simulation icon on navigation map, and puts on mark travel direction, the number of types of intersection in simulation drawing
It is unrestricted, various complicated crossings can be represented, drivers can be directly viewable row of the simulation icon determination in intersection
Direction is sailed, is user-friendly.
It is a kind of air navigation aid of intersection provided in an embodiment of the present invention referring to Fig. 2, in embodiments of the present invention,
Methods described includes：
S201, the simulation drawing according to corresponding to generating the parameter value of the topology parameter of each intersection of navigation map
Mark, and simulation icon is preserved into crossing icon database.
Specifically, guider can generate according to the parameter value of the topology parameter of each intersection in navigation map
Icon is uniquely simulated for corresponding one in corresponding simulation icon, each intersection, and simulation icon is stored in into crossing icon data
In storehouse, icon database is located in the local read-only storage of guider.In order to reduce depositing for the memory of guider
The demand of capacity is stored up, guider can only pre-save simulation icon, other crossings corresponding to the crossing that user often passes
Corresponding simulation icon can generate in real time.
S202, travel route cooked up on navigation map according to origin and destination.
Specifically, guider according to default algorithm on navigation map planning department by origin to destination it
Between travel route, it is to be understood that when user deviate plan in advance travel route when, guider can recalculate
One travel route.
If S203, current location and the parameter value of the distance of next intersection reach first threshold, obtain described next
The parameter value of the topology parameter of intersection.
Specifically, the parameter value of the current location of guider and the distance of next intersection can be current according to user
The coordinate of the coordinate of position and the central point of next intersection calculates, and guider is during motion, navigation
Device and the parameter value of the distance of next intersection gradually decrease, when current location and the next crossroad of guider
The parameter value of the distance of mouth reaches first threshold, obtains the parameter value of the topology parameter of next intersection, topology
Parameter is used for representing the topology of next intersection, and topology parameter includes the folder of each road of composition intersection
Angle, curvature, direction attribute and type attribute etc..
Exemplary, first threshold is 100 meters, and guider obtains the coordinate of current location in real time, and calculates present bit
The coordinate and the parameter value of the distance of the coordinate of the central point of next intersection put, when the parameter value for the distance calculated arrives
During up to 100 meters, the topology parameter of next intersection is obtained, sets an intersection by road 1, road 2, the and of road 3
4,4 perpendicular relations of road of road, 4 roads are two-way road, and guider gets the adjacent of next intersection
The angle of road is 90 °, and road attribute is two-way.In the application of reality, the topology parameter of next intersection more than
Right-angled intersection is complicated, and guider can obtain topology parameter according to the geometric parameter of each road, herein no longer
Repeat.
If S204, current location and the parameter value of the distance of next intersection reach Second Threshold.
Specifically, when the current location of guider and the parameter value of the distance of next intersection reach Second Threshold,
Obtain the identity information of next intersection, the identity of the next intersection of identity information unique mark of next intersection,
Identity information can be represented in the form of character string and/or letter.Wherein, Second Threshold is less than first threshold.
With the presence or absence of the mould matched with the identity information of next intersection in S205, inquiry crossing icon database
Intend icon.
Specifically, crossing icon database is used for the simulation icon for preserving each intersection in navigation map, due to road
The renewal on road or the limitation of memory space, the simulation icon of some intersections in navigation map are not stored in crossing icon
In database.With the presence or absence of the mould matched with the identity information of next intersection in guider inquiry crossing icon database
Intend icon, if YES, perform S206, otherwise perform S207.
S206, the simulation icon for extracting from the crossing icon database matching are simultaneously painted on the navigation map
The simulation icon of the matching is made, and mark travel direction is put in the simulation drawing of the matching according to the vehicle line.
Specifically, guider extracts the simulation icon of next intersection from the icon database of crossing, can lead
Simulation icon is drawn in the top of boat map, and puts on mark travel direction in simulation drawing according to travel route.
S207, next intersection drawn on the navigation map according to the parameter value of the topology parameter
Simulation icon, and mark travel direction is put on according to simulation drawing of the vehicle line in next intersection；Will
The simulation icon of next intersection is added in the crossing icon database.
Specifically, if simulation icon, guider corresponding to next intersection are not present in the icon database of crossing
Icon is simulated according to corresponding to the topology parameter of next intersection is drawn on navigation map, simulates icon and next friendship
The topology of cross road mouth is identical, can be considered as the miniature version of next intersection, while guider is put in simulation drawing
Outpouring needs travel direction.For example, simulation drawing is designated as crossroad, travel direction is to west, then in simulation drawing target mark by east
Know the arrow that west is pointed to by central point.Wherein, simulation icon may be displayed on the position of the top of navigation map, be easy to
User checks, it is not necessary to sees map is assured which direction running toward crossing.
Referring to Fig. 3, the method for the embodiment of the present invention one and two is illustrated with reference to specific embodiment, in Fig. 3
30 be the current location of guider, and 31 be position corresponding to the first threshold of next intersection, and 32 be next intersection
Position corresponding to Second Threshold, 33 be the position of the central point of next intersection, there is next crossroad above navigation map
Simulation icon, current location and the parameter value of the distance of next intersection of mouth.From figure 3, it can be seen that next crossroad
Mouth is made up of 4 roads, and guider travels according to the travel route of planning, in the top real-time display present bit of navigation map
Put the parameter value with the distance of next intersection.When guider moves to 31 position, guider obtains next intersection
The parameter value of the topology parameter at crossing, when guider moves to 32 position, guider obtains next intersection
Identity information, according to identity information, inquiry simulates icon with the presence or absence of corresponding in the crossing icon database of local, if
In the presence of simulation icon corresponding to extraction, in the top of navigation map display simulation icon and mark travel direction；If crossing figure
Mark and corresponding simulation icon is not present in database, obtain the topology parameter of next intersection, joined according to topology
Number draws simulation drawing on navigation map and is marked with and identifies travel direction.User can according to the simulation icon for being labeled with travel direction
With conveniently according to correct road driving.
It is a kind of structural representation of the guider of intersection provided in an embodiment of the present invention, in this hair referring to Fig. 4
In bright embodiment, the guider includes planning module 10, acquisition module 11 and display module 12.
Planning module 10, for cooking up travel route on navigation map according to origin and destination.
Acquisition module 11, if reaching first threshold for the parameter value of current location and the distance of next intersection, obtain
Take the parameter value of the topology parameter of next intersection.
Display module 12, if reaching the second threshold for the parameter value of current location and the distance of next intersection
Value, the simulation drawing of next intersection is drawn on the navigation map according to the parameter value of the topology parameter
Mark, and mark travel direction is put on according to simulation drawing of the vehicle line in next intersection；Wherein, described
One threshold value is more than the Second Threshold.
The embodiment of the present invention and embodiment of the method one are based on same design, and the technique effect that it brings is also identical, specific mistake
Journey can refer to the description of embodiment of the method one, and here is omitted.
It is a kind of another structural representation of the guider of intersection provided in an embodiment of the present invention referring to Fig. 5,
In the embodiment of the present invention, the guider also wraps in addition to including planning module 10, acquisition module 11 and display module 12
Include：Setup module 13 and apart from display module 14.
Setup module 13, the parameter value life for the topology parameter of each intersection according to the navigation map
Preserved into corresponding simulation icon, and by simulation icon into crossing icon database.
Apart from display module 14, for the real-time display current location on the navigation map and next intersection
Distance parameter value.
Optionally, acquisition module 12 is used to obtain the coordinate of the Centroid of next intersection, next friendship
The property value of the direction attribute of the number of degrees of angle between each road of cross road mouth and each road.
Optionally, acquisition module 12 is additionally operable to obtain the identity information of next intersection；
If the display module 13 is used for described in the parameter value arrival of the distance of current location and next intersection
Second Threshold, inquire about in the icon database of crossing with the presence or absence of the simulation icon matched with the identity information；
If in the presence of extracting the simulation icon of the matching from the crossing icon database and on the navigation map
The simulation icon of the matching is drawn, and mark traveling side is put in the simulation drawing of the matching according to the vehicle line
To；
If being not present, next intersection is drawn on the navigation map according to the parameter value of the topology parameter
The simulation icon at crossing, and mark traveling side is put on according to simulation drawing of the vehicle line in next intersection
To；The simulation icon of next intersection is added in the crossing icon database.
The embodiment of the present invention and embodiment of the method two are based on same design, and the technique effect that it brings is also identical, specific mistake
Journey can refer to the description of embodiment of the method two, and here is omitted.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (8)
- A kind of 1. air navigation aid of intersection, it is characterised in that including：According to simulation icon corresponding to the generation of the parameter value of the topology parameter of each intersection of navigation map, and by mould Intend icon to preserve into crossing icon database；Travel route is cooked up on the navigation map according to origin and destination；If current location and the parameter value of the distance of next intersection reach first threshold, next intersection is obtained The parameter value of topology parameter；If current location and the parameter value of the distance of next intersection reach Second Threshold, joined according to the topology Several parameter values draws the simulation icon of next intersection on the navigation map, and according to the vehicle line Simulation drawing in next intersection puts on mark travel direction；Wherein, the first threshold is more than the Second Threshold.
- 2. the method as described in claims 1, it is characterised in that the topology for obtaining next intersection The parameter value of parameter includes：Obtain the angle between the coordinate of the Centroid of next intersection, each road of next intersection The number of degrees and each road direction attribute property value.
- 3. method as claimed in claim 2, it is characterised in thatIf the current location and the parameter value of the distance of next intersection reach first threshold, next crossroad is obtained The parameter value of the topology parameter of mouth, in addition to：Obtain the identity information of next intersection；If the current location and the parameter value of the distance of next intersection reach Second Threshold, according to the topological shape The parameter value of shape parameter draws the simulation icon of next intersection on navigation map, and according to the vehicle line Simulation drawing in next intersection, which puts on mark travel direction, to be included：If current location and the parameter value of the distance of next intersection reach the Second Threshold, crossing icon number is inquired about The simulation icon matched according to whether there is in storehouse with the identity information；If in the presence of extracting the simulation icon of the matching from the crossing icon database and drawn on the navigation map The simulation icon of the matching, and mark travel direction is put in the simulation drawing of the matching according to the vehicle line；If being not present, next intersection is drawn on the navigation map according to the parameter value of the topology parameter Simulation icon, and mark travel direction is put on according to simulation drawing of the vehicle line in next intersection；Will The simulation icon of next intersection is added in the crossing icon database.
- 4. the method as described in claim 1-3 any one, it is characterised in that also include：Real-time display current location and the parameter value of the distance of next intersection on the navigation map.
- A kind of 5. guider of intersection, it is characterised in that including：Setup module, for mould corresponding to the parameter value generation of the topology parameter of each intersection according to navigation map Intend icon, and simulation icon is preserved into crossing icon database；Planning module, for cooking up travel route on the navigation map according to origin and destination；Acquisition module, if the parameter value for current location and the distance of next intersection reaches first threshold, described in acquisition The parameter value of the topology parameter of next intersection；Display module, if reaching Second Threshold for the parameter value of current location and the distance of next intersection, according to The parameter value of the topology parameter draws the simulation icon of next intersection, Yi Jigen on the navigation map Mark travel direction is put on according to simulation drawing of the vehicle line in next intersection；Wherein, the first threshold is big In the Second Threshold.
- 6. device as claimed in claim 5, it is characterised in that the acquisition module is used to obtain next intersection The coordinate of Centroid, next intersection each road between the number of degrees of angle and the side of each road To the property value of attribute.
- 7. device as claimed in claim 6, it is characterised in that the acquisition module is additionally operable to obtain next intersection Identity information；If the display module is used for current location and the parameter value of the distance of next intersection reaches second threshold Value, inquire about in the icon database of crossing with the presence or absence of the simulation icon matched with the identity information；If in the presence of extracting the simulation icon of the matching from the crossing icon database and drawn on the navigation map The simulation icon of the matching, and mark travel direction is put in the simulation drawing of the matching according to the vehicle line；If being not present, next intersection is drawn on the navigation map according to the parameter value of the topology parameter Simulation icon, and mark travel direction is put on according to simulation drawing of the vehicle line in next intersection；Will The simulation icon of next intersection is added in the crossing icon database.
- 8. the device as described in claim 5-7 any one, it is characterised in that also include：Apart from display module, the distance for real-time display current location and next intersection on the navigation map Parameter value.
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| CN108399646B (en) * | 2017-02-07 | 2021-08-31 | 腾讯科技（深圳）有限公司 | Image rendering method and device |
| CN108195393B (en) * | 2017-12-28 | 2020-07-03 | 百度在线网络技术（北京）有限公司 | Method and apparatus for outputting information |
| CN108917784A (en) * | 2018-04-28 | 2018-11-30 | 苏州车萝卜汽车电子科技有限公司 | Method for processing navigation information and device |
| CN109974720B (en) * | 2018-11-27 | 2023-04-07 | 财团法人车辆研究测试中心 | Dynamic map data classification device and method thereof |
| CN111899505B (en) * | 2019-05-06 | 2022-01-25 | 北京四维图新科技股份有限公司 | Detection method and device for traffic restriction removal |
| CN110795994B (en) * | 2019-09-16 | 2022-05-10 | 腾讯科技（深圳）有限公司 | Intersection image selection method and device |
| CN113721599B (en) * | 2020-05-25 | 2023-10-20 | 华为技术有限公司 | Positioning method and positioning device |
| CN114201997B (en) * | 2022-02-17 | 2022-06-14 | 深圳依时货拉拉科技有限公司 | Intersection turning recognition method, device, equipment and storage medium |
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