CN101109648A - Navigating electronic map generating method - Google Patents
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- CN101109648A CN101109648A CNA2007101430577A CN200710143057A CN101109648A CN 101109648 A CN101109648 A CN 101109648A CN A2007101430577 A CNA2007101430577 A CN A2007101430577A CN 200710143057 A CN200710143057 A CN 200710143057A CN 101109648 A CN101109648 A CN 101109648A
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Abstract
The invention provides a method for creating an electronic navigation map, which comprises the following procedures: a navigator acquires navigation data reflecting current location; an electronic map of current location based on the navigation data is called up; real-time geographic images of current location are taken by a camera; the real-time geographic images are identified; the real-time geographic images are overlapped onto the electronic map depending upon the identification result, and a new real-time 3-D electronic map is created. The invention provides a technology for dynamically overlapping the real-time images with the electronic map to the users, so as to provide true and vivid 3D experience to the users.
Description
Technical field
The present invention relates to navigation field, more specifically, relate to a kind of navigating electronic map generating method.
Background technology
GPS (Global Position System, GPS) does the basis with 24 the location artificial satellites in the whole world, and a kind of radio navigation and the positioning system of information such as three-dimensional position, three-dimensional velocity is provided to all parts of the world round-the-clockly.The positioning principle of GPS is: the user receives the signal of satellites transmits, therefrom obtains the parameters such as distance, clock correction and atmospheric correction between satellite and the user, determines user's position by data processing.Now, the bearing accuracy of civilian GPS can reach in the 10m.In addition, Europe, Russia, China also cooperate with each other or have developed global position system separately independently, the for example Galileo of European Union (GALILEO) system, Muscovite GLONASS (Global Orbit NavigationSatellite System, global orbiting navigation satellite system) system, the Big Dipper system of China etc.The positioning principle of these global position systems is identical, and the key distinction is bearing accuracy.
The specific function that GPS has has caused motor-dom personage's concern very early, when the U.S. after the system that announces open a part of GPS after the Gulf War, motor-dom jumps at this opportunity, infusion of financial resources exploitation auto-navigation system, to the automobile demonstration that positions and lead, and come into operation rapidly.
Fig. 1 shows a kind of structural representation of conventional navigational system.Among the figure, navigational system is formed with the lower part: receiver 100 is used to receive the navigation data (for example, geographical position coordinates) from the reflection current location of global position system; Navigation host 200, its navigation data according to receiver is transferred the electronic chart of current location, and stack navigation hint information; Display terminal 250, it is connected to navigation host 200, is used to present this electronic chart.
In the middle of actual practice, receiver 100, navigation host 200 and display terminal 250 can integrate, and can use realizations such as PDA (Personal Digital Assistant, personal digital assistant), smart mobile phone.Guider volume after integrated is very little, and power consumption is low, thus can be installed on the vehicles at an easy rate for example on the bridge of automobile, and use the automobile power source powered operation.
As seen from Figure 1, the electronic chart that provides of existing navigational system 2 dimension (2D) maps normally.Fig. 2 shows the screenshot capture of the 2D electronic chart that a kind of existing navigational system provides.That the 2D electronic chart has is succinctly understandable, data volume is easy to preservation and wireless transmission for a short time, be convenient to computing machine adopts vectoring technology to carry out advantages such as Flame Image Process.
Yet for the certain user, the 2D electronic chart is too abstract, and is directly perceived inadequately, is unfavorable for that they manipulate.
In order to strengthen the characteristic directly perceived of 2D electronic chart shown in Figure 2, developed a kind of 2D electronic chart with the visual angle.Fig. 3 shows the screenshot capture of the band visual angle 2D electronic chart that a kind of existing navigational system provides.2D electronic chart shown in Figure 3 is undertaken presenting to the user with the form at band visual angle after vector handles by computing machine.With respect to 2D electronic chart shown in Figure 2, it has formed the 3D visual effect of part, thereby more directly perceived.
But the 2D electronic chart at this band visual angle is not 3 real dimension relief maps, and it does not reflect extraneous 3D topographical features truly.Two building mansions possibility outward appearances in the real world are different fully, but in the 3D electronic chart at this band visual angle, this Building two mansion is used identical mansion model usually and shown.Therefore, the 2D electronic chart at this band visual angle is still directly perceived inadequately, inconvenient certain user's use.
In view of above reason, developed a kind of true 3D electronic chart in the prior art again.Fig. 4 shows the screenshot capture of the 3D electronic chart that a kind of existing navigational system provides.This 3D electronic chart is clear truly to have reflected extraneous geographic entity intuitively, yet its data volume is too big, is unfavorable for data preservation, data transmission and data processing.
Therefore, people need a kind of solution of 3D electronic chart, can solve the problem in the above-mentioned correlation technique.
Summary of the invention
The embodiment of the invention aims to provide a kind of navigating electronic map generating method, and the 3D electronic map data amount that can solve in the existing navigational system is too big, is unfavorable for the problem of data preservation, data transmission and data processing.
One embodiment of the present of invention provide a kind of navigating electronic map generating method, may further comprise the steps: guider obtains the navigation data of reflection current location, transfers the electronic chart of current location according to navigation data; Take the real-time geographic images that forms current location; The real-time geographic images of taking is discerned, real-time geographic images suitably is added on the electronic chart, generate new real-time three-dimensional electronic chart according to recognition result.
By technique scheme, the present invention has realized following technique effect:
The foregoing description provided by the invention provides the dynamically technology of stack of real-time imaging and electronic chart for the user, thereby for user's navigation provides real three-dimensional experience directly perceived, and it is too big to have solved 3D electronic map data amount of the prior art, is unfavorable for the problem of data preservation, data transmission and data processing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of structural representation of conventional navigational system;
Fig. 2 shows the screenshot capture of the 2D electronic chart that a kind of existing navigational system provides;
Fig. 3 shows the screenshot capture of the band visual angle 2D electronic chart that a kind of existing navigational system provides;
Fig. 4 shows the screenshot capture of the 3D electronic chart that a kind of existing navigational system provides;
Fig. 5 shows the electronic chart implementation method according to the embodiment of the invention;
Fig. 6 shows the process flow diagram of discerning according to the geographic pattern to taking of the embodiment of the invention;
Fig. 7 shows the structural representation of navigational system according to an embodiment of the invention;
Fig. 8 shows the block diagram according to the navigation host of the embodiment of the invention;
Fig. 9 shows the structural representation of navigational system according to another embodiment of the present invention;
Figure 10 shows the structural representation according to the navigational system of further embodiment of this invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 5 shows the electronic chart implementation method according to the embodiment of the invention, may further comprise the steps:
Step S10, guider obtain the navigation data (for example geographic coordinate data) of reflection current location, transfer the electronic chart of current location according to positioning result;
Step S20 take to form the real-time geographic images of current location, can utilize to be installed on for example geographic landscape of the camera head floor in outside vehicle or the car of the vehicles, to form described real-time geographic images;
Step S30 discerns the real-time geographic images of taking, and according to recognition result real-time geographic images suitably is added on the electronic chart, generates new real-time three-dimensional electronic chart.
It should be noted that step S10 and S20 obviously can walk abreast, also can be serial, and the two does not have specific priority order.
Different with the conventional electrical map is do not provide original electronic chart to the user in embodiments of the present invention, but the electronic chart of the real-time geographic images that will superpose to offer the user.Obviously the intuitive of real-time geographic images is very good, and it is on-the-spot real scene shooting, so avoided process such as data preservation.
Can be according to navigation data this locality or the long-range electronic chart of transferring current location.This locality is transferred electronic chart and specifically can be comprised: use the receiver global position system in the guider to obtain navigation data; From the electronic map database that preserve this locality, transfer electronic chart according to navigation data.
The long-range electronic chart of transferring specifically comprises: use receiver to obtain navigation data by wireless network from control center; According to navigation data, from the electronic map database that preserve this locality, transfer electronic chart, perhaps from the electronic map database that control center preserves, transfer electronic chart by wireless network.
This wireless network can be a mobile communications network, and receiver can be the independently portable terminal that can receive mobile communication signal, or is integrated in the mobile module in the guider.
Can utilize in the said method to be installed on for example geographic landscape of the camera head floor on the vehicle of the vehicles, to form real-time geographic images.
Fig. 6 shows the process flow diagram of discerning and superposeing according to the geographic pattern to taking of the embodiment of the invention, and specifically, identification can may further comprise the steps:
Step S302 identifies the pictorial element in the real-time geographic images, for example bridge, river, railway, crossroad, mansion, refuelling station etc.;
Step S304 mates the data in pictorial element and the electronic chart, determines that these pictorial elements are which geographical signs in the current location.For example the data in the electronic chart show that current location has the Aug. 1st viaduct, and comprise a bridge block in the pictorial element that identifies, and confirm that then this bridge is the Aug. 1st viaduct.For example the data in the electronic map database show that current location has many named mansions again, and comprise many mansions in the pictorial element that identifies, according to the mutual alignment relation of these mansions, can confirm that these mansions are respectively which mansions in the electronic map database so.
Specifically, according to recognition result real-time geographic images suitably is added to and can may further comprise the steps on the electronic chart:
Step S306, pictorial element next door its geographic name that has identified of mark that each has identified on real-time geographic images;
Step S308 replaces the primary electron map to offer the user real-time geographic images that has marked geographic name.
As can be seen, utilize above-mentioned method, can realize the stack of on-the-spot real-time geographic images and electronic chart.
Navigation hint information can comprise route information.Can be set by the user destination information, in local guider, calculate route information then according to destination information.Also can in navigational system, introduce long-range control center, utilize the electronic map database of oneself preserving to calculate route information by control center, wherein, be set by the user destination information, guider sends destination information to long-range control center by wireless network, calculate route information by control center according to destination information, control center sends route information to guider by wireless network then.
Because the performance of control center is better than local guider far away, so stronger navigation feature can be provided.For example, can provide the information of enriching more, comprise transport information, weather information, traffic information and landscape information along the line etc. as value-added service information.Wherein, use receiver coupling wireless network, wireless network Coupling Control center.Guider just can obtain the value-added service information that control center provides by wireless network like this, and for example, transport information, weather information, traffic information and landscape information along the line etc. add it in navigation hint information or are directly used in route calculation.
Local digital map library and the calculated route information of preserving though function may be not so good as long-range control center, can dispense communication network and control center, can save communication cost for the user.
To describe according to the embodiment of the invention to Figure 10 according to Fig. 7 below, be used to realize the navigational system of above-mentioned navigating electronic map generating method.
Fig. 7 shows the structural representation of navigational system according to an embodiment of the invention, and it is made up of guider and global position system.
Guider comprises:
Above-mentioned guider has increased camera head 500 with respect to existing guider, thus the real-time three-dimensional electronic chart can be provided, thus for providing real three-dimensional directly perceived, user's navigation experiences.
In addition, the global position system 50 in this navigational system is made up of many position location satellites, is used to guider that navigation data is provided, and can be GPS, Galileo system, the Big Dipper system or global orbiting navigation satellite system.
The Cloud Terrace can be a fixed support.In addition, in order to adjust the camera visual angle, The Cloud Terrace can have universal adjustment structure.Further, can pass through navigation host 200 transmitting control commands, make The Cloud Terrace adjust the camera visual angle.
Further, bring jolting of camera in order to prevent that vehicle from moving, thereby cause the shake of image, can make The Cloud Terrace have damping structure, to weaken the vibrations of camera.
Fig. 8 shows the block diagram according to the navigation host 200 of the embodiment of the invention, comprising:
Realized navigation host 200 by said structure according to the embodiment of the invention.
Fig. 9 shows the structural representation of navigational system according to another embodiment of the present invention, and the difference of itself and navigational system shown in Figure 7 is that it has increased wireless network 300.Specifically, the guider of this embodiment comprises:
Obviously, above-mentioned guider has increased camera head 500 with respect to existing guider, thus the real-time three-dimensional electronic chart can be provided, thus for providing real three-dimensional directly perceived, user's navigation experiences.
In addition, for Fig. 7, this device utilizes wireless network to come for guider receives navigation data, and this provides the mode of another kind of reception navigation data for guider.
Specifically, as shown in Figure 8, navigation host 200 can comprise:
In addition, in this navigational system, wireless network 300 can be a mobile communications network, and receiver 100 can be a portable terminal mobile phone for example independently, perhaps can be the mobile module that is integrated in the guider.
Described the global position system 50 in this navigational system among the embodiment of Fig. 7 in detail, so repeat no more here.
Figure 10 shows the structural representation of navigational system according to another embodiment of the present invention, and with respect to the embodiment of Fig. 9, this navigational system has increased control center 400 newly.
Specifically, wireless network 300 can be coupled to long-range control center 400, and control center 400 is used to preserve digital map library.Navigation host comprises:
As can be seen, in this navigational system, guider can omit the memory module 202 of Fig. 8.
Again for example, control center 400 can be by department of motor vehicles mandate and establishment, it can provide the automobile of observing local appointment monitoring at any time dynamically and traffic conditions and the transport information that obtains, understand traffic information, the weather information of various places and the landscape information along the line of acquisitions such as road maintenance.
Like this, control center 400 can be used to the information of providing value added service, comprise at least a in transport information, weather information, landscape information and the traffic information, navigation host 200 can pass through receiver 100 and wireless network 300, obtain above-mentioned value-added service information from control center 400, and join it in described navigation hint information or be directly used in navigation way and calculate.
The above embodiments help the user and drive better for the user provides more navigation information.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
The foregoing description provided by the invention provides the dynamically technology of stack of real-time imaging and electronic chart for the user, thereby for user's navigation provides real three-dimensional experience directly perceived, and it is too big to have solved 3D electronic map data amount of the prior art, is unfavorable for the problem of data preservation, data transmission and data processing.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.Should be understood that the variation in these concrete enforcements is conspicuous for a person skilled in the art, do not break away from spiritual protection domain of the present invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a navigating electronic map generating method is characterized in that, may further comprise the steps:
Guider obtains the navigation data of reflection current location, transfers the electronic chart of current location according to described navigation data;
Take the real-time geographic images that forms current location;
The described real-time geographic images of taking is discerned, described real-time geographic images suitably is added on the described electronic chart, generate new real-time three-dimensional electronic chart according to recognition result.
2. navigating electronic map generating method according to claim 1 is characterized in that, obtains the navigation data of reflection current location, and the electronic chart of transferring current location according to described navigation data specifically comprises:
Use the receiver in the described guider to obtain described navigation data from global position system;
From the electronic map database that preserve this locality, transfer described electronic chart according to described navigation data.
3. navigating electronic map generating method according to claim 1 is characterized in that, obtains the navigation data of reflection current location, and the electronic chart of transferring current location according to described navigation data specifically comprises:
Use the receiver in the described guider to pass through wireless network, obtain described navigation data from control center;
According to described navigation data, from the electronic map database that preserve this locality, transfer described electronic chart, perhaps from the electronic map database that described control center preserves, transfer described electronic chart by described wireless network.
4. navigating electronic map generating method according to claim 1 is characterized in that, takes the real-time geographic images that forms current location and specifically comprises:
Utilize the camera head geographic landscape of floor in real time on the vehicles of being installed in the described guider, to form described real-time geographic images.
5. navigating electronic map generating method according to claim 1 is characterized in that, the described real-time geographic images of taking is discerned specifically comprise:
Identify the pictorial element in the real-time geographic images;
Data in described pictorial element and the described electronic chart are mated, determine that it is which geographical sign in the current location.
6. navigating electronic map generating method according to claim 5 is characterized in that, real-time geographic images suitably is added to specifically to be comprised on the electronic chart:
Each pictorial element that has identified next door its geographic name that has identified of mark on described real-time geographic images;
The described real-time geographic images that has marked geographic name is replaced described electronic chart.
7. navigating electronic map generating method according to claim 1 is characterized in that,
Further comprising the steps of:
Stack navigation hint information on described real-time three-dimensional electronic chart.
8. navigating electronic map generating method according to claim 7 is characterized in that, described navigation hint information comprises route information, is set by the user destination information, calculates described route information by described guider according to described destination information this locality.
9. navigating electronic map generating method according to claim 7, it is characterized in that, described navigation hint information comprises route information, wherein, be set by the user destination information, described guider sends described destination information to long-range control center by wireless network, calculates described route information by described control center according to described destination information, and described then control center sends described route information to described guider by described wireless network.
10. navigating electronic map generating method according to claim 7, it is characterized in that, described guider adds value-added service information in described navigation hint information, described value-added service information comprises at least a in transport information, weather information, landscape information and the traffic information, and described guider obtains described value-added service information by wireless network from being positioned at long-range control center.
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| CNA2007101430577A CN101109648A (en) | 2007-08-22 | 2007-08-22 | Navigating electronic map generating method |
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| CNA2007101430577A CN101109648A (en) | 2007-08-22 | 2007-08-22 | Navigating electronic map generating method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102238282A (en) * | 2010-05-06 | 2011-11-09 | Lg电子株式会社 | Mobile terminal capable of providing multiplayer game and operating method thereof |
| CN103177030A (en) * | 2011-12-24 | 2013-06-26 | 富泰华工业（深圳）有限公司 | Referral information system and referral information method |
| CN103335657A (en) * | 2013-05-30 | 2013-10-02 | 佛山电视台南海分台 | Method and system for strengthening navigation performance based on image capture and recognition technology |
| CN103359294A (en) * | 2012-03-20 | 2013-10-23 | 空中客车运营简化股份公司 | A method and a device for displaying meteorological data on an aircraft screen |
| CN104335248A (en) * | 2012-06-06 | 2015-02-04 | 苹果公司 | Non-static 3D map views |
| CN104999956A (en) * | 2015-08-13 | 2015-10-28 | 深圳市喜信实业有限公司 | Navigation processing method and device based on electronic navigation map |
| CN105551112A (en) * | 2015-12-04 | 2016-05-04 | 北海创思电子科技产业有限公司 | Automobile traveling data recorder with auxiliary navigation function |
| CN107632285A (en) * | 2017-09-19 | 2018-01-26 | 北京小米移动软件有限公司 | Map building and amending method and device |
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2007
- 2007-08-22 CN CNA2007101430577A patent/CN101109648A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238282A (en) * | 2010-05-06 | 2011-11-09 | Lg电子株式会社 | Mobile terminal capable of providing multiplayer game and operating method thereof |
| CN102238282B (en) * | 2010-05-06 | 2014-12-10 | Lg电子株式会社 | Mobile terminal capable of providing multiplayer game and operating method thereof |
| CN103177030A (en) * | 2011-12-24 | 2013-06-26 | 富泰华工业（深圳）有限公司 | Referral information system and referral information method |
| CN103359294A (en) * | 2012-03-20 | 2013-10-23 | 空中客车运营简化股份公司 | A method and a device for displaying meteorological data on an aircraft screen |
| CN103359294B (en) * | 2012-03-20 | 2016-08-10 | 空中客车运营简化股份公司 | For the method and apparatus showing meteorological data on aircraft screen |
| CN104335248A (en) * | 2012-06-06 | 2015-02-04 | 苹果公司 | Non-static 3D map views |
| CN104335248B (en) * | 2012-06-06 | 2018-01-12 | 苹果公司 | Non-static 3D map views |
| CN103335657A (en) * | 2013-05-30 | 2013-10-02 | 佛山电视台南海分台 | Method and system for strengthening navigation performance based on image capture and recognition technology |
| CN103335657B (en) * | 2013-05-30 | 2016-03-02 | 佛山电视台南海分台 | A kind of method and system based on image capture and recognition technology example of enhanced navigational functionality |
| CN104999956A (en) * | 2015-08-13 | 2015-10-28 | 深圳市喜信实业有限公司 | Navigation processing method and device based on electronic navigation map |
| CN105551112A (en) * | 2015-12-04 | 2016-05-04 | 北海创思电子科技产业有限公司 | Automobile traveling data recorder with auxiliary navigation function |
| CN107632285A (en) * | 2017-09-19 | 2018-01-26 | 北京小米移动软件有限公司 | Map building and amending method and device |
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