CN102798874A - Navigation prompt method and system - Google Patents
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- CN102798874A CN102798874A CN2011101386299A CN201110138629A CN102798874A CN 102798874 A CN102798874 A CN 102798874A CN 2011101386299 A CN2011101386299 A CN 2011101386299A CN 201110138629 A CN201110138629 A CN 201110138629A CN 102798874 A CN102798874 A CN 102798874A
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Abstract
The invention discloses a navigation prompt method and a corresponding navigation prompt system. The navigation prompt method comprises the steps of: obtaining a running path and the current position of a vehicle; determining the current position of the vehicle on the running path; obtaining a next turning position on the running direction of the vehicle in the running path; and searching the interest point from the current position of the vehicle to the next turning position so as to generate navigation prompt information taking the interest point as a reference point. The navigation prompt system comprises a GPS (Global Positioning System) unit, an information reception unit, an information processing unit and a navigation prompt unit. According to the navigation prompt method and system provided by the invention, the navigation prompt information taking the interest point in map data information as the reference point can be provided to drivers according to the continuously renewed map data information, so that the correctness and reliability of vehicle navigation are improved and the problem of bad driver experience is solved.
Description
Technical field
The present invention relates to field of navigation technology, particularly, the present invention relates to a kind of navigation hint method and system.
Background technology
Along with the continuous development of the communication technology and global-positioning technology (GPS), for airmanship provides more and more solid technical foundation.People are often worried in the road environment of complicacy when trip, but airmanship has been arranged, and just can bring great convenience for the people of trip.Said airmanship uses GPS receiver to receive predefined data from the overhead gps satellite of the earth, and according to himself position of received data computation.Navigational system provides the information of automobile current location according to the positional information that calculates to the driver, and can carry out to calculate and lead to the process of the route of expecting the destination, and the navigation of said route is provided.
Existing navigational system; Great majority are pointed out the user with fixing guiding title; For example " please turn right for 400 meters in the place ahead " or " junction ahead please be turned right ", as far as the driver, 400 meters in so-called the place ahead or junction ahead are that some are not easy judgement information; Especially the place ahead has under the situation of vehicle; The driver is not easy to confirm which subject matter junction ahead refers to, and this phenomenon lets the driver miss the crossing that should turn easily and must plan navigation way again, makes the usefulness of navigational system have a greatly reduced quality.Above-mentioned situation is obvious especially in the intensive city of road.
In order to overcome the above problems, existing navigational system combines also that the point of interest (Point of interest abbreviates POI as) in the map data stored comes assisting navigation in the memory device of onboard navigation system.So-called point of interest typically refers to the more important address of internal ratio, the higher or certain region of frequency of utilization, and like market, restaurant, bank, hospital, school etc., they can be identified out on map image, and can be by the driver through the navigator inquiry.But; Because the increase of vehicle; Increasing road is in expansion or construction; Point of interest on the road is also in continuous variation, and the map data update in the existing guider is untimely, and the navigation information that the comprises point of interest driving inaccurate, the driver that will inevitably cause offering the driver is experienced relatively poor.
Summary of the invention
The problem that the present invention solves provides a kind of navigation hint method and system, is the navigation hint information of RP according to map data information point of interest in the driver provides with map data information of bringing in constant renewal in, improves the accuracy and the reliability of automobile navigation.
For addressing the above problem, the invention provides a kind of navigation hint method, comprising:
Obtain the driving path and the current location of vehicle;
Confirm the position of vehicle current location on the roadway footpath;
Obtain the next turning position on vehicle heading in the driving path;
Point of interest between search vehicle current location to the next turning position, generating with the point of interest is the navigation hint information of RP.
Optional, the driving path of said vehicle comprises the traffic route of reference position, destination locations and reference position to the destination locations in the path of driving a vehicle.
Optional, said point of interest from network or/and obtain the server.
Optional, said point of interest comprises one or more in market, restaurant, bank, hospital, the school.
Optional, said is that the navigation hint information of RP comprises with the point of interest: comprise the navigation hint information of point of interest and turn direction or comprise the navigation hint information of crossing, point of interest and turn direction.
Optional, said navigation hint information provides to the driver through in voice, image or the light one or more.
Accordingly, the present invention also provides a kind of navigation hint system corresponding with this navigation hint method, comprising:
The GPS unit obtains the current location of vehicle;
Information receiving unit, receive the vehicle driving path and with the map data information that comprises point of interest;
Information process unit; Be connected with information receiving unit with said GPS unit; Confirm the position of vehicle current location on the roadway footpath; Obtain next turning position on vehicle heading in the driving path, and in the said map data information that comprises point of interest the point of interest between search vehicle current location to the next turning position, generating with the point of interest is the navigation hint information of RP;
The navigation hint unit is connected with said information process unit, and providing said to the driver is the navigation hint information of RP with the point of interest.
Optional, the vehicle driving path that said information receiving unit receives comprises the traffic route of reference position, destination locations and reference position to the destination locations in the path of driving a vehicle.
Optional, said point of interest comprises one or more in market, restaurant, bank, hospital, the school.
Optional, said information process unit generates is that the navigation hint information of RP comprises with the point of interest: comprise the navigation hint information of point of interest and turn direction or comprise the navigation hint information of crossing, point of interest and turn direction.
Optional, said information process unit comprises: processing unit, be connected with information receiving unit with said GPS unit, and confirm the position of vehicle current location on the roadway footpath, obtain the next turning position on vehicle heading in the driving path; Search unit is connected with processing unit with said information receiving unit, the point of interest in the map data information that comprises point of interest that said information receiving unit receives between search vehicle current location to the next turning position; Integral unit; Be connected with said information receiving unit, search unit and navigation hint unit; Point of interest between the vehicle current location that vehicle driving path that the integrate information receiving element receives and search unit searches obtain to the next turning position, generating with the point of interest is the navigation hint information of RP.
Optional, said navigation hint system also comprises data updating unit, be connected with said information receiving unit, from network or/and obtain the map data information that comprises point of interest the server.
Optional, said navigation hint system also comprises map data base, is connected the map data information that comprises point of interest that the storage data updating unit is obtained with information receiving unit with said data updating unit.
Optional, the said map data information that comprises point of interest is for store in real time or regularly.
Optional, said navigation hint system also comprises: display unit, be connected with said information process unit, and providing with the point of interest to the driver with image mode is the navigation hint information of RP.
Optional, said navigation hint system also comprises: signal lamp is connected with said information process unit, with the unlatching of signal lamp or cut out that to provide with the point of interest to the driver be the navigation hint information of RP.
Optional, said navigation hint system also comprises: player, be connected with said information process unit, and providing with the point of interest to the driver with voice broadcasting modes is the navigation hint information of RP.
Compared with prior art; The present invention has the following advantages: the present invention utilizes point of interest in the map data information of continual renovation as the RP of navigation hint information; To the driver provide more accurately, navigation hint information reliably, solved the driver and driven a vehicle and experience relatively poor problem.Simultaneously, the map data information of navigation hint of the present invention system after can storage update, make things convenient for the driver under the situation that network or server service are interrupted, obtain with map data information in point of interest be the navigation hint information of RP.
Description of drawings
Fig. 1 shows navigation hint method one embodiment schematic flow sheet of the present invention;
Fig. 2 show with Fig. 1 in navigation hint method embodiment corresponding map;
Fig. 3～Fig. 6 shows the structural representation of navigation hint system four embodiments corresponding with navigation hint method of the present invention respectively.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Set forth detail in the following description so that make much of the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization under the situation of intension of the present invention.Therefore the present invention does not receive the restriction of following disclosed embodiment.
Said as background parts; Increase along with vehicle; Increasing road is in expansion or construction, and the point of interest on the road is also in continuous variation, and the map data update in the existing guider is untimely; The navigation information that comprises point of interest that causes offering the driver is inaccurate, and then makes driver's driving experience relatively poor.
The present invention utilizes network or/and bring in constant renewal in point of interest in the map data information in the server as the RP of navigation hint information, to the driver provide more accurately, navigation hint information reliably, solved the driver and driven a vehicle and experience relatively poor problem.
Below in conjunction with accompanying drawing embodiments of the invention are elaborated.
As shown in Figure 1, be navigation hint method flow synoptic diagram of the present invention, comprising:
Step S1 obtains the driving path and the current location of vehicle;
Step S2 confirms the position of vehicle current location on the roadway footpath;
Step S3 obtains the next turning position on vehicle heading in the driving path;
Step S4, the point of interest between search vehicle current location to the next turning position, generating with the point of interest is the navigation hint information of RP.
At first, execution in step S1 obtains the driving path and the current location of vehicle.
Wherein, the driving path of said vehicle comprises the traffic route of reference position, destination locations and reference position to the destination locations in the path of driving a vehicle, and said vehicle driving path can adopt in the prior art any path planning technology to obtain.
Then, execution in step S2 confirms the position of vehicle current location on the roadway footpath.
With reference to figure 2; In the present embodiment, the vehicle driving path comprises that reference position " Nanjing, Shanghai City West Road A ", destination locations " Shanghai City People's Square B " and Nanjing, the Shanghai City West Road A in the path of driving a vehicle are to the traffic route that is made up of a plurality of highway sections of arranging according to the order of sequence and the crossing that is connected the highway section between the People's Square B of Shanghai City.Concrete, the traffic route of West Road A People's Square B to Shanghai City comprises highway section " West Road, Nanjing ", " Jiu Jianglu " from Nanjing, Shanghai City, crossing " North Road, Chengdu, West Road, Nanjing ", " West Road, Nanjing Jiu Jianglu ".The vehicle current location is crossing " North Road, Chengdu, West Road, Nanjing D ".
Then, execution in step S3 obtains the next turning position on vehicle heading in the driving path.
In the present embodiment, to the driving path of Shanghai City People's Square B, the next turning position of vehicle on its travel direction that is currently located at crossing " North Road, Chengdu, West Road, Nanjing D " is crossing " West Road, Nanjing Jiu Jianglu " at Nanjing, Shanghai City West Road A.
At last, execution in step S4, the point of interest between search vehicle current location to the next turning position, generating with the point of interest is the navigation hint information of RP.
Said is that the navigation hint information of RP comprises with the point of interest: comprise the navigation hint information of point of interest and turn direction or comprise the navigation hint information of crossing, point of interest and turn direction.Wherein, said point of interest comprises one or more in market, restaurant, bank, hospital, the school; Said turn direction for turn left, turn right, at least a in the tune, the circular turning.
Usually, include point of interest in the map data information in network or the server, but and the map data information in network or the server and be included in the point of interest real-time update in the map data information.Concrete, the point of interest between said vehicle current location to the next turning position has following several kinds of obtain manners: from network, obtain the point of interest between vehicle current location to the next turning position; From server, obtain the point of interest between vehicle current location to the next turning position; From network and server, obtain the point of interest between vehicle current location to the next turning position.
In specific embodiment; Point of interest between vehicle current location " Chengdu, West Road, Nanjing, crossing North Road D " to the next turning position " Nanjing, crossing West Road Jiu Jianglu " has " C of Wal-Mart "; What generate be that the navigation hint information of RP is " after seeing the C of Wal-Mart, the left-hand rotation of next crossing " with point of interest " C of Wal-Mart ".
Said navigation hint information can provide to the driver through following several kinds of modes: the mode with image provides navigation hint information; The mode that combines with image and light provides navigation hint information; With voice prompting mode navigation hint information is provided; The mode that combines with image and voice provides navigation hint information; The mode that combines with image, light and voice provides navigation hint information.
Present embodiment navigation hint method through obtaining network or/and vehicle current location to the point of interest of next turning position and be that RP provides navigation hint information to the driver in the server with the point of interest; Improved the accuracy and the reliability of automobile navigation, solved the driver and experienced relatively poor problem.
Accordingly, the present invention also provides a kind of navigation hint system, and with reference to figure 3, the structural representation for a navigation hint embodiment of system of the present invention comprises: GPS unit 10, information receiving unit 20, information process unit 30 and navigation hint unit 40, wherein,
Concrete, the process that said GPS unit 10 obtains the vehicle current location and information receiving unit 20 obtains the vehicle driving path is with the step S1 in the above-mentioned method; Said information process unit 30 confirms that the process of vehicle current location position on the roadway footpath is with the step S2 in the above-mentioned method; Said information process unit 30 obtains the process of the next turning position on vehicle heading in the driving path with the step S3 in the above-mentioned method; Said information process unit 30 from information receiving unit 20, comprise search in the map data information of point of interest obtain the point of interest between vehicle current location to the next turning position and generate with the point of interest be the process of navigation hint information of RP with the step S4 in the above-mentioned method, do not do at this and to give unnecessary details.
At last, being provided with the point of interest to the driver by the navigation hint unit 40 that is connected with said information process unit 30 is the navigation hint information of RP.
With reference to figure 4; In other embodiments; Navigation hint of the present invention system comprises: GPS unit 10, information receiving unit 20, information process unit 30 and navigation hint unit 40; Wherein said information process unit 30 further comprises: processing unit 301, search unit 302 and integral unit 303, wherein
Concrete, be example with the navigation hint information that West Road A People's Square B to Shanghai City from Nanjing, Shanghai City is provided, it is the navigation hint information of RP that said information process unit 30 generates with the point of interest through following steps:
At first; The position of vehicle current location on the roadway footpath confirmed in the vehicle driving path that the vehicle current location crossing that said processing unit 301 obtains through GPS unit 10 " North Road, Chengdu, West Road, Nanjing D " and information receiving unit 20 receives " West Road, Nanjing, reference position Shanghai City A, destination locations Shanghai City People's Square B and from Nanjing, Shanghai City West Road A to the traffic route the People's Square B of Shanghai City ", and obtains the next turning position " West Road, Nanjing Jiu Jianglu " on vehicle heading in the path of driving a vehicle.
Then; Said search unit 302 is searched in the map data information that comprises point of interest that information receiving unit 20 receives, and obtains the point of interest " C of Wal-Mart " between vehicle current location crossing " North Road, Chengdu, West Road, Nanjing D " to the next turning position " West Road, Nanjing Jiu Jianglu ".
At last, said integral unit 303 is according to the navigation hint information of vehicle driving path and point of interest " C of Wal-Mart " formation " after seeing the C of Wal-Mart, turn left in next crossing ".
With reference to figure 5; Structural representation for navigation hint another embodiment of system of the present invention; In comprising Fig. 3 GPS unit 10, information receiving unit 20, information process unit 30 and the navigation hint unit 40; Also comprise data updating unit 50, be connected with said information receiving unit 20, from network or/and obtain the map data information that comprises point of interest the server.
Wherein, said network can carry out real-time update or/and comprise the map data information of point of interest in the server, and it can obtain through following several kinds of modes: from network, obtain the map data information that comprises point of interest; From server, obtain the map data information that comprises point of interest; From network and server, obtain the map data information that comprises point of interest.
Owing to can obtain the map data information that comprises point of interest of real-time update; The navigation hint system can prevent that the navigation hint information that is provided because of road is extended or transformed frequently and the variation of point of interest causes soon on the road is inaccurate in the present embodiment, has improved driver's driving and has experienced.
In other embodiments; Said navigation hint system also comprises map data base 60; Be connected with information receiving unit 20 with said data updating unit 50; Store the map data information that comprises point of interest that data updating unit 50 is obtained in real time or regularly, thereby navigation hint information can be provided when network or server service interruption, data updating unit can't be obtained the up-to-date map datum that comprises point of interest in real time.
With reference to figure 6; Be the navigation hint of the present invention system structural representation of an embodiment again; Comprise GPS unit 10, information receiving unit 20, information process unit 30 and navigation hint unit 40; Wherein said navigation hint unit 40 further comprises: display unit 401, signal lamp 402 and player 403, wherein
Display unit 401 is connected with said information process unit 30, and providing with the point of interest to the driver with image mode is the navigation hint information of RP.
Signal lamp 402 is connected with said information process unit 30, with the unlatching of signal lamp or close that to provide with the point of interest to the driver be the navigation hint information of RP.
Player 403 is connected with said information process unit 30, and providing with the point of interest to the driver with voice broadcasting modes is the navigation hint information of RP.
Said navigation hint information can provide to the driver through following several kinds of modes: display unit 401 provides navigation hint information with the mode of image; With the unlatching of image, signal lamp 402 in the display unit 401 or close the mode that combines navigation hint information is provided; Player 403 provides navigation hint information with voice prompting mode; The mode that voice combine in image and the player 403 in the display unit 401 provides navigation hint information; In the display unit 401 unlatching of image, signal lamp 402 or close, voice combine in the player 403 mode provides navigation hint information.
Concrete; With the unlatching of image, signal lamp 402 in the display unit 401 or close with player 403 in the mode that combines of voice when navigation hint information is provided; Display unit 401 shows the image of highway section, crossing and the point of interest corresponding with the vehicle driving path; The signal lamp 402 that is provided with around highway section, crossing and the point of interest on the image, opens representative and contains navigation hint information as to cut out the no navigation hint information of representative to cut out or to open the different conditions of representing highway section or crossing.So when the vehicle current location is " North Road, Chengdu, West Road, Nanjing D "; The navigation hint information that said navigation hint system provides to the driver is display unit 401 point of interest " C of Wal-Mart " that shows vehicle current locations " North Road, Chengdu, West Road, Nanjing D " to next turning positions " West Road, Nanjing Jiu Jianglu ", crossing " West Road, Nanjing Jiu Jianglu " and representes the turn inside diameter direction with arrow; Simultaneously; Being arranged at point of interest " C of Wal-Mart ", crossing " West Road, Nanjing Jiu Jianglu " signal lamp 402 on every side opens; Said player 403 is play the navigation hint information of " after seeing the C of Wal-Mart, turn left in next crossing " with the voice suggestion mode.
Compared with prior art; Navigation hint method and system of the present invention can combine the map data information of immediate updating; Point of interest is the navigation hint information of RP in the driver provides with map data information in real time; Improved the accuracy and the reliability of automobile navigation, solved the driver and experienced relatively poor problem.In addition, the map data information of navigation hint of the present invention system after can storage update, make things convenient for the driver under the situation that network or server service are interrupted, obtain with map data information in point of interest be the navigation hint information of RP.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can utilize the method and the technology contents of above-mentioned announcement that technical scheme of the present invention is made possible change and modification, therefore, every content that does not break away from technical scheme of the present invention; To any simple modification, equivalent variations and modification that above embodiment did, all belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (17)
1. a navigation hint method is characterized in that, comprising:
Obtain the driving path and the current location of vehicle;
Confirm the position of vehicle current location on the roadway footpath;
Obtain the next turning position on vehicle heading in the driving path;
Point of interest between search vehicle current location to the next turning position, generating with the point of interest is the navigation hint information of RP.
2. navigation hint method as claimed in claim 1 is characterized in that, the driving path of said vehicle comprises the traffic route of reference position, destination locations and reference position to the destination locations in the path of driving a vehicle.
3. navigation hint method as claimed in claim 1 is characterized in that, said point of interest from network or/and obtain the server.
4. navigation hint method as claimed in claim 1 is characterized in that said point of interest comprises one or more in market, restaurant, bank, hospital, the school.
5. navigation hint method as claimed in claim 1; It is characterized in that said is that the navigation hint information of RP comprises with the point of interest: comprise the navigation hint information of point of interest and turn direction or comprise the navigation hint information of crossing, point of interest and turn direction.
6. navigation hint method as claimed in claim 1 is characterized in that, said navigation hint information provides to the driver through in voice, image or the light one or more.
7. a navigation hint system is characterized in that, comprising:
The GPS unit obtains the current location of vehicle;
Information receiving unit, receive the vehicle driving path and with the map data information that comprises point of interest;
Information process unit; Be connected with information receiving unit with said GPS unit; Confirm the position of vehicle current location on the roadway footpath; Obtain next turning position on vehicle heading in the driving path, and in the said map data information that comprises point of interest the point of interest between search vehicle current location to the next turning position, generating with the point of interest is the navigation hint information of RP;
The navigation hint unit is connected with said information process unit, and providing said to the driver is the navigation hint information of RP with the point of interest.
8. navigation hint as claimed in claim 7 system is characterized in that, the vehicle driving path that said information receiving unit receives comprises the traffic route of reference position, destination locations and reference position to the destination locations in the path of driving a vehicle.
9. navigation hint as claimed in claim 7 system is characterized in that said point of interest comprises one or more in market, restaurant, bank, hospital, the school.
10. navigation hint as claimed in claim 7 system; It is characterized in that said information process unit generates is that the navigation hint information of RP comprises with the point of interest: comprise the navigation hint information of point of interest and turn direction or comprise the navigation hint information of crossing, point of interest and turn direction.
11. navigation hint as claimed in claim 7 system is characterized in that said information process unit comprises:
Processing unit is connected with information receiving unit with said GPS unit, confirms the position of vehicle current location on the roadway footpath, obtains the next turning position on vehicle heading in the driving path;
Search unit is connected with processing unit with said information receiving unit, the point of interest in the map data information that comprises point of interest that said information receiving unit receives between search vehicle current location to the next turning position;
Integral unit; Be connected with said information receiving unit, search unit and navigation hint unit; Point of interest between the vehicle current location that vehicle driving path that the integrate information receiving element receives and search unit searches obtain to the next turning position, generating with the point of interest is the navigation hint information of RP.
12. navigation hint as claimed in claim 7 system is characterized in that, said navigation hint system also comprises data updating unit, be connected with said information receiving unit, from network or/and obtain the map data information that comprises point of interest the server.
13. navigation hint as claimed in claim 12 system; It is characterized in that; Said navigation hint system also comprises map data base, is connected the map data information that comprises point of interest that the storage data updating unit is obtained with information receiving unit with said data updating unit.
14. navigation hint as claimed in claim 13 system is characterized in that, the said map data information that comprises point of interest is in real time or regularly storage.
15. navigation hint as claimed in claim 7 system is characterized in that, said navigation hint system also comprises: display unit, be connected with said information process unit, and providing with the point of interest to the driver with image mode is the navigation hint information of RP.
16. navigation hint as claimed in claim 15 system; It is characterized in that; Said navigation hint system also comprises: signal lamp is connected with said information process unit, with the unlatching of signal lamp or cut out that to provide with the point of interest to the driver be the navigation hint information of RP.
17. navigation hint as claimed in claim 7 system is characterized in that, said navigation hint system also comprises: player, be connected with said information process unit, and providing with the point of interest to the driver with voice broadcasting modes is the navigation hint information of RP.
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| CN2011101386299A CN102798874A (en) | 2011-05-26 | 2011-05-26 | Navigation prompt method and system |
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| CN2011101386299A CN102798874A (en) | 2011-05-26 | 2011-05-26 | Navigation prompt method and system |
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