CN104956696A - Mobile terminal positioning method and apparatus - Google Patents
Mobile terminal positioning method and apparatus Download PDFInfo
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- CN104956696A CN104956696A CN201480004699.7A CN201480004699A CN104956696A CN 104956696 A CN104956696 A CN 104956696A CN 201480004699 A CN201480004699 A CN 201480004699A CN 104956696 A CN104956696 A CN 104956696A
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- mobile terminal
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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
- G01C21/20—Instruments for performing navigational calculations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
Abstract
The embodiment of the present invention provides a mobile terminal positioning method and apparatus, the method comprising: capturing an image comprising a landmark; according to the image, acquiring a position coordinate corresponding to the landmark in the image; by a mobile terminal, determining the relative position between the mobile terminal and the landmark; and positioning the mobile terminal according to the position coordinate corresponding to the landmark and the relative position between the mobile terminal and the landmark. By the mobile terminal positioning method and apparatus provided in the embodiment of the present invention, avoided is the problem that positioning of the mobile terminal fails due to such objective factors as too many buildings, restricted transmission of microwave signals, etc., and the mobile terminal can be accurately positioned to give full play to the functions of the mobile terminal and improve user experience.
Description
The localization method and device of mobile terminal
Technical field
The present embodiments relate to communication technical field, more particularly to a kind of localization method and device of mobile terminal.Background technology
Continuous improvement with user to network demand, also apply to meet the various application software of user's request and give birth to, the current various application software loaded on mobile terminals need to obtain the current location of mobile terminal mostly, to realize specific function, so as to meet the demand of user.And when obtaining customer location coordinate, the levels of precision of the position coordinates can be largely affected by experience of the user to above-mentioned application software.In the prior art, when being positioned to mobile terminal, base station or use GPS (Global Positioning System, global positioning system are generally passed through:) mobile terminal is positioned.
When being positioned using base station, it is the down-bound pilot frequency signal that different base station is measured by mobile terminal, obtains TOA (the Time of Arrival, due in of different base station descending pilot frequency）, it is general to use triangle formula algorithm for estimating according to the measurement result and the coordinate of combination base station, it just can obtain the position of mobile terminal.In general, the number of base stations of mobile terminal measurement is more, the precision of the position of the mobile terminal of acquisition is higher, but in urban environment, due to the multipath effect of groups of building and barrier, so that mobile terminal has very big error to TOA measurement result, so that positioning precision is difficult to meet demand.
And be the GPS module by mobile terminal when being positioned by GPS, the positioning signal that synchronous satellite is sent is received, the time of mobile terminal is reached according to the locus of multi-satellite and signal, the coordinate of current mobile terminal is solved.Precision by the obtained positioning results of GPS is very high, can reach 10 meters of magnitude.But it is due to that the microwave signal penetration capacity that satellite is sent is very weak, so must be in outdoor progress.The exterior space is bigger, and the satellite-signal number received is more, and positioning precision is higher.But in urban environment, due to being blocked by building, the transmission of microwave signal is influenceed, meanwhile, GPS amount of calculation also results in that its positioning time is long, positioning power dissipation ratio is higher than larger.
As from the foregoing, conventionally, as the factor such as odjective cause such as building is excessive, mobile terminal itself computing capability is limited, causes the positioning to mobile terminal not accurate enough, prevent the function of mobile terminal is played from maximized, so as to have impact on Consumer's Experience.
The content of the invention
The embodiment of the present invention provides a kind of localization method and device of mobile terminal, for being accurately positioned to mobile terminal so that the function of mobile terminal is substantially played.
In a first aspect, the embodiment of the present invention provides a kind of localization method of mobile terminal, including：Capture includes the image of terrestrial reference；
The corresponding position coordinates of terrestrial reference described in described image is obtained according to described image；
The relative position of the mobile terminal and the terrestrial reference is determined by mobile terminal；
According to the relative position of the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, the mobile terminal is positioned.
With reference in a first aspect, in the first embodiment, the corresponding position coordinates of terrestrial reference according to described image acquisition described image includes：
Image recognition algorithm is carried out according to described image, the corresponding characteristic information of terrestrial reference described in described image is obtained；
Inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtain the position coordinates of the terrestrial reference；
It is in this second embodiment, described to be inquired about according to the characteristic information in the local data base or third party database of the mobile terminal with reference to first aspect first embodiment, the position coordinates of the terrestrial reference is obtained, including：
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；
The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user, or first Query Result is in the Primary Location region of the mobile terminal.
With reference to first aspect second embodiment, in the third embodiment, the relative position of the mobile terminal and the terrestrial reference is determined by mobile terminal, including：
By the measurement module in the mobile terminal, determine between the mobile terminal and the terrestrial reference
Level interval；
The electronic compass in the mobile terminal is called, the current indicating position of the electronic compass is obtained；
According to the level interval between the mobile terminal and the terrestrial reference and the current indicating position of the electronic compass, the relative position of mobile terminal and the terrestrial reference is determined.
With reference to any of the embodiment of first aspect first to the 3rd embodiment, in the 4th embodiment, the localization method also includes：
If carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；
Then control the mobile terminal to catch and include alternatively target image.
Second aspect, the embodiment of the present invention provides a kind of positioner of mobile terminal, including：Trapping module, the image of terrestrial reference is included for capturing；
Coordinate obtaining module, for obtaining the corresponding position coordinates of terrestrial reference described in described image according to described image；
Determining module, the relative position for determining the mobile terminal and the terrestrial reference by mobile terminal；
Locating module, for the relative position according to the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, is positioned to the mobile terminal.
With reference to second aspect, in the first embodiment, the coordinate obtaining module includes：First acquisition unit, for carrying out image recognition algorithm according to described image, obtains the corresponding characteristic information of terrestrial reference described in described image；
Second acquisition unit, for being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtains the position coordinates of the terrestrial reference；
With reference to second aspect first embodiment, in this second embodiment, the second acquisition unit specifically for
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；
The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user, or first Query Result is in the Primary Location region of the mobile terminal.
With reference to second aspect second embodiment, in the third embodiment, the determining module, including：
First determining unit, for by the measurement module in the mobile terminal, determining the level interval between the mobile terminal and the terrestrial reference；
Second determining unit, for calling the electronic compass in the mobile terminal, obtains the current indicating position of the electronic compass；
3rd determining unit, for the current indicating position according to the level interval between the mobile terminal and the terrestrial reference and the electronic compass, determines the relative position of mobile terminal and the terrestrial reference.
With reference to any of the embodiment of second aspect first to the 3rd embodiment, in the 4th embodiment, the positioner also includes control module, is used for
If carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；
Then control the mobile terminal to catch and include alternatively target image.
The third aspect, the embodiment of the present invention provides a kind of positioner of mobile terminal, including：Processor, the image of terrestrial reference is included for capturing；
The corresponding position coordinates of terrestrial reference described in described image is obtained according to described image；
The relative position of the mobile terminal and the terrestrial reference is determined by mobile terminal；
According to the relative position of the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, the mobile terminal is positioned.
With reference to the third aspect, in the first embodiment, the processor specifically for
Image recognition algorithm is carried out according to described image, the corresponding characteristic information of terrestrial reference described in described image is obtained；
Inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtain the position coordinates of the terrestrial reference；
With reference to third aspect first embodiment, in this second embodiment, the processor obtains the position coordinates of the terrestrial reference specifically for being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, including：
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；
The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user, or first Query Result is in the Primary Location region of the mobile terminal.
With reference to third aspect second embodiment, in the third embodiment, the processor determines the relative position of the mobile terminal and the terrestrial reference by mobile terminal, including：
By the measuring unit in the mobile terminal, the level interval between the mobile terminal and the terrestrial reference is determined；
The electronic compass in the mobile terminal is called, the current indicating position of the electronic compass is obtained；
According to the level interval between the mobile terminal and the terrestrial reference and the current indicating position of the electronic compass, the relative position of mobile terminal and the terrestrial reference is determined.
With reference to any of the embodiment of the third aspect first to the 3rd embodiment, in the 4th embodiment, the processor is additionally operable to
If carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；
Then control the mobile terminal to catch and include alternatively target image.
The localization method and device of mobile terminal provided in an embodiment of the present invention, the image for including terrestrial reference captured by mobile terminal, and the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference in image is determined according to the image, so as to be positioned to mobile terminal, avoid the problems such as positioning unsuccessful caused by the objective factor such as building is excessive, microwave signal transmission is limited, mobile terminal can be accurately positioned, played so that the function of mobile terminal is maximized, lift Consumer's Experience.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 right
The accompanying drawing used required in embodiment or description of the prior art is briefly described, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the localization method embodiment one of mobile terminal of the present invention；
Fig. 2 is the flow chart of the localization method embodiment two of mobile terminal of the present invention；
Fig. 3 is the schematic diagram of photographing module in the embodiment of the present invention two；
Fig. 4 is the schematic diagram of a scenario of the relative position of determination mobile terminal and terrestrial reference in the embodiment of the present invention two；
Fig. 5 is the flow chart of the localization method embodiment three of mobile terminal of the present invention；
Fig. 6 is the structure chart of the positioner embodiment one of mobile terminal of the present invention；
Fig. 7 is the structure chart of the positioner embodiment two of mobile terminal of the present invention；
Fig. 8 is the structure chart of the positioner embodiment three of mobile terminal of the present invention.Embodiment is to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Fig. 1 is the flow chart of the localization method embodiment one of mobile terminal of the present invention.As shown in Figure 1, the subject of implementation of the present embodiment is the positioner of mobile terminal, the positioner can be realized by the way of hardware and/or software, it is preferred that, the positioner can be integrated in mobile terminal, the mobile terminal can have the equipment of shoot function for common mobile phone, iPad etc., and specific implementation process is as follows：
S 101, capture include the image of terrestrial reference；
In actual applications, above-mentioned mobile terminal is by taking mobile phone as an example, and user is when using mobile terminal, and the application program on the mobile terminal needs to obtain the current position of mobile terminal, such as map software on common mobile phone is, it is necessary to current location where obtaining the user of mobile terminal（The current position or the current position where mobile terminal also being understood as where user）, then can be to mobile terminal
Positioned.In the present embodiment, when needing to position mobile terminal, user uses the positioner of above-mentioned mobile terminal, and the image for including terrestrial reference is captured in current location.Wherein it is designated as the signboard of the distinctive marks near current location, such as building, shops.
For example, when the application software on user mobile phone needs acquisition user current position, the positioner of mobile terminal is notified that user opens（Or the positioner is automatically turned on）The camera of mobile phone, then user's handheld mobile phone, make camera focusing in neighbouring scenery, include the image of terrestrial reference to capture, such as user is currently located near building " Lan Hai mansions ", then user's handheld mobile phone makes camera focusing in Lan Hai mansions, the printed words camera-shot of " Lan Hai mansions " on the building body or mansion of Shi Lanhai mansions, in the image captured so as to the positioner of mobile terminal, the printed words of " Lan Hai mansions " are the distinctive marks near user current location wherein on the building body or mansion of Lan Hai mansions, above-mentioned terrestrial reference can be used as.
5102nd, the corresponding position coordinates of terrestrial reference in the image is obtained according to image.
Due to including terrestrial reference in above-mentioned image, and terrestrial reference has significant feature, then by the analysis to image, the characteristic information of terrestrial reference can be got in the picture, for example, pass through OCR (Optical Character Recognition, optical character identification）Technology, the character " Lan Hai mansions " as features described above information is extracted in the picture, it can then be inquired about according to character " Lan Hai mansions ", determine the specific position coordinates in the mansion, the position coordinates can be the coordinate under geographical coordinate, or the coordinate system that can also be used for other databases.
5103rd, the relative position of mobile terminal and terrestrial reference is determined by mobile terminal.
There are distance and deviation angle when being shot due to mobile terminal to terrestrial reference, between mobile terminal and terrestrial reference, therefore also need to determine the relative position of mobile terminal and terrestrial reference by mobile terminal；It can be specifically determined by the measurement module in mobile terminal.
5104th, according to the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference, mobile terminal is positioned.
The relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and the terrestrial reference, the position that mobile terminal is currently located can be positioned, it would know that the precise information of mobile terminal present position, it is intelligible, in user's hand-held mobile terminal, just the position that user is currently located can be accurately positioned by above-mentioned S101 ~ S 103.
In the present embodiment, the image for including terrestrial reference captured by mobile terminal, and the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference in image is determined according to the image, so as to right
Mobile terminal is positioned, avoid the problems such as positioning unsuccessful caused by the objective factor such as building is excessive, microwave signal transmission is limited, mobile terminal can be accurately positioned, be played so that the function of mobile terminal is maximized, lift Consumer's Experience.
Fig. 2 is the flow chart of the localization method embodiment two of mobile terminal of the present invention.As shown in Fig. 2 the present embodiment is to make further describing on the basis of the embodiment shown in Fig. 1, specifically, the present embodiment includes：
5201st, capture includes the image of terrestrial reference.
When application software on mobile terminal needs to be positioned, user can be notified to be shot using mobile terminal, or the application software on mobile terminal triggers the positioner of above-mentioned mobile terminal, start to shoot the scene near current location, the image wherein shot includes terrestrial reference, and above-mentioned image can be that the positioner of mobile terminal passes through the picture captured by mobile terminal in addition；Can also be that camera on user's control mobile terminal is carried out to terrestrial reference to defocused, the image that the positioner of mobile terminal is caught in the view-finder of camera.
5202nd, image recognition algorithm is carried out according to image, obtains the corresponding characteristic information of terrestrial reference in image.Existing ripe image recognition algorithm can be used to be handled image with characteristic information extraction, this feature information can be the character with identification above terrestrial reference, the image of such as foregoing character " Lan Hai mansions ", or can also be the concrete image of terrestrial reference, such as the building body of foregoing Lan Hai mansions.
5203rd, inquired about according to characteristic information in the local data base or third party database of mobile terminal, obtain the position coordinates of terrestrial reference.
At least include the position coordinates of various terrestrial references in above-mentioned local data base or third party database, the wherein local data base such as common offline map datum bag downloaded, and third party database can be that the application software such as Online Map can be by map datum bag in the server of network access etc., include the street of various regions in above-mentioned local data base or third party database, the significant specific position coordinates such as building and retail shop, as some building is used as position coordinates using geographical coordinate, the position coordinates of the building is 108 ° of 40' of east longitude, 33 ° of 9 Γ of north latitude;It is more excellent, view data can also be included in above-mentioned various databases, then can be inquired about in database as the image of characteristic information according to what is obtained in S203.
For example, characteristic information is word " Lan Hai mansions ", then when being inquired about in above-mentioned database, corresponding position coordinates just can be obtained（X , y) ；And when image of the characteristic information for the building body of Lan Hai mansions, then the positioner of mobile terminal is when implementing this step, just by the building body obtained in S202
Inquiry is compared with the existing view data of database in image, just the Query Result with the image matching of above-mentioned building body can be found, the Query Result shows that the image of the building body is the building body of Lan Hai mansions, so that it is determined that the position coordinates of the terrestrial reference caught in S201.
S204, the relative position for determining by mobile terminal mobile terminal and terrestrial reference.
When performing S204, following steps are specifically included：
A, by the measurement module in mobile terminal, determine the level interval between mobile terminal and terrestrial reference；
It is determined that during level interval between mobile terminal and terrestrial reference, imaging analysis can be carried out according to image, now above-mentioned measurement module is specially the photographing module on mobile terminal（In actual applications, including camera and the image device after camera）；Specifically, Fig. 3 is the schematic diagram of photographing module in the embodiment of the present invention two.As shown in figure 3, A is camera, at 0 for the imaging of image device at, P is terrestrial reference, then according to image-forming principle=^=can obtainw=, wherein ,/it is to take the photograph
H f u v - f
As the focal length of head, V is image distance,《For the air line distance between mobile terminal and terrestrial reference, for terrestrial reference in the image of acquisition and the distance on image base, H is the vertical range of terrestrial reference and camera axial line 10.
Flexibly, in the case where camera performance is not high, the laser on other measurement modules on mobile terminal, such as mobile terminal can be enabled and carry out laser ranging, or the dual camera started on mobile terminal carries out ranging.
B, the electronic compass called in mobile terminal, obtain the current indicating position of electronic compass；C, the current indicating position according to the level interval between mobile terminal and terrestrial reference and electronic compass, determine the relative position of mobile terminal and terrestrial reference.
Specifically, Fig. 4 is the schematic diagram of a scenario of the relative position of determination mobile terminal and terrestrial reference in the embodiment of the present invention two.As shown in Figure 4, mobile terminal 12 is held by a user as the Lan Hai mansions 11 of terrestrial reference to shoot, now the electronic compass in mobile terminal 12 can determine that the indicating position of mobile terminal is 50 ° of east by north, because mobile terminal 12 shoots Lan Hai mansions 11, Ze Lanhai mansions 11 are located on the corresponding direction of indicating position of mobile terminal 12, then it may be appreciated, during with Lan Hai mansions 11 for the origin of coordinates, mobile terminal 12 is then located at 40 ° of the south by west of Lan Hai mansions 11, then when performing above-mentioned steps c, the indicating position " 50 ° of east by north " that electronic compass in above-mentioned steps b is obtained is converted to " 40 ° of south by west ", and combine the air line distance between the mobile terminal determined in above-mentioned steps a and terrestrial reference, it then can determine that the relative position of mobile terminal and terrestrial reference.
S205, the relative position according to the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference, are positioned to mobile terminal.
For example, the foregoing position coordinates that Lan Hai mansions are determined（X, y), and knows movement
Terminal is currently located at 30 ° of the south by west of Lan Hai mansions, and air line distance is 500 meters, then can be accurately positioned the current position coordinates of mobile terminal（M, n)；More excellent, the position that the mobile terminal is currently located can be shown on mobile terminals in the form of map image；In addition, also contains the coordinate range in the regions such as street, cell and park in above-mentioned various databases, then the current position coordinates of mobile terminal is being known（M, n) after, if knowing the position coordinates of the mobile terminal（M, n) belong in the coordinate range of some street, cell etc., then can display the details of out the mobile terminal positioned at some street, or in some cell, to improve the experience of user.
In the present embodiment, the image for including terrestrial reference captured by mobile terminal, and the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference in image is determined according to the image, so as to be positioned to mobile terminal, avoid the problems such as positioning unsuccessful caused by the objective factor such as building is excessive, microwave signal transmission is limited, mobile terminal can be accurately positioned, be played so that the function of mobile terminal is maximized, lift Consumer's Experience.
Fig. 5 is the flow chart of the localization method embodiment three of mobile terminal of the present invention.As shown in figure 5, the present embodiment is on the basis of the embodiment shown in Fig. 1 or Fig. 2, makes and more specifically describing, specifically：
5301st, capture includes the image of terrestrial reference.
Specifically, terrestrial reference is by taking above-mentioned Lan Hai mansions as an example in the present embodiment.
5302nd, image recognition algorithm is carried out according to image, obtains the corresponding characteristic information of terrestrial reference in image.Specifically, there is character " Lan Hai mansions " on the present embodiment Zhong Lanhai mansions, then it is OCR technique by the S302 image recognition algorithms carried out, obtains character " Lan Hai mansions " and be used as the corresponding characteristic information of terrestrial reference.
5303rd, inquired about according to characteristic information in the local data base or third party database of the mobile terminal.
Whether the 5304th, judge Query Result is 1;If so, performing S305;If it is not, performing S306.It should be understood that being inquired about according to character " Lan Hai mansions ", obtained Query Result potentially includes " the Lan Hai mansions " in B cities, " the Lan Hai mansions " in Ye You C cities etc., it is therefore desirable to following further processing.
If the 5305, obtaining a Query Result, the position coordinates of the corresponding terrestrial reference of the Query Result is obtained.
Such as Query Result is only " the Lan Hai mansion " in C cities, and user understands that itself is located at C cities,
The position coordinates of the corresponding terrestrial reference of the Query Result is then obtained, S307 is directly performed.
5306th, at least two Query Results are obtained, then the first Query Result are determined at least two Query Results, and obtain the position coordinates of the corresponding terrestrial reference of the first Query Result.
Specifically, if being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtain at least two Query Results, " the Lan Hai mansions " in Ji You B cities, " the Lan Hai mansions " in Ye You C cities etc., the first Query Result then is determined at least two Query Result, first Query Result is to indicate to determine according to user, or first Query Result is in the Primary Location region of mobile terminal.
Such as above-mentioned at least two Query Result is presented to after user, and because user itself understands to be currently located at C citys, then " the Lan Hai mansions " for selecting C cities at least two Query Result is used as above-mentioned first Query Result；It is more excellent, based on existing localization method, such as the localization method based on base station or
GPS location method has determined that mobile terminal is located at C citys, i.e. C cities are above-mentioned Primary Location region, but do not know mobile terminal in c incities exact position, then at least two Query Results are obtained by These steps, wherein Query Result " C cities ' Lan Hai mansions ' " is located in above-mentioned Primary Location region, it is determined that Query Result " C cities ' Lan Hai mansions ' " it is the first Query Result.
5307th, the relative position of the mobile terminal and terrestrial reference is determined by mobile terminal.
5308th, according to the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference, the mobile terminal is positioned.
Above-mentioned S307 ~ S308 refers to previous embodiment, will not be repeated here.
It should be added that, when performing the S302 of the present embodiment, due to the image of seizure pixel, light the problems such as can not get characteristic information, image recognition algorithm is even carried out according to above-mentioned image, obtain the corresponding characteristic information failure of terrestrial reference in described image, then control mobile terminal is caught again includes alternatively target image, and the alternative terrestrial reference can be the terrestrial reference in earlier figures picture, i.e., the terrestrial reference is shot or focused again；Or this is alternatively designated as another terrestrial reference, each above-mentioned step is re-executed as the new terrestrial reference；In addition, because the data in local data base or third party database are wrong or deficiency, the first Query Result is not can determine that at least two Query Results obtained in S306, for example due to the data deficiencies in above-mentioned local data base or third party database, do not have " the Lan Hai mansions " in D cities, then two Query Results only have " the Lan Hai mansions " in B cities and " the Lan Hai mansions " in C cities, but the position that Primary Location region or user know is located at D cities, it is therefore desirable to be selected as alternatively other terrestrial references of target and carry out each above-mentioned positioning step.
In the present embodiment, the image for including terrestrial reference captured by mobile terminal, and the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference in image is determined according to the image, so as to be positioned to mobile terminal, avoid the problems such as positioning unsuccessful caused by the objective factor such as building is excessive, microwave signal transmission is limited, mobile terminal can be accurately positioned, be played so that the function of mobile terminal is maximized, lift Consumer's Experience.
Fig. 6 is the structure chart of the positioner embodiment one of mobile terminal of the present invention.As shown in fig. 6, the positioner includes：
Trapping module 41, the image of terrestrial reference is included for capturing；
Coordinate obtaining module 42, for obtaining the corresponding position coordinates of terrestrial reference described in described image according to described image；
Determining module 43, the relative position for determining the mobile terminal and the terrestrial reference by mobile terminal；
Locating module 44, for the relative position according to the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, is positioned to the mobile terminal.
In the present embodiment, the image for including terrestrial reference that the positioner of mobile terminal is captured by mobile terminal, and the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference in image is determined according to the image, so as to be positioned to mobile terminal, avoid the problems such as positioning unsuccessful caused by the objective factor such as building is excessive, microwave signal transmission is limited, mobile terminal can be accurately positioned, played so that the function of mobile terminal is maximized, lift Consumer's Experience
Fig. 7 is the structure chart of the positioner embodiment two of mobile terminal of the present invention.As shown in fig. 7, the present embodiment is further described on the basis of the embodiment shown in Fig. 6.
The coordinate obtaining module 42 includes：
First acquisition unit 421, for carrying out image recognition algorithm according to described image, obtains the corresponding characteristic information of terrestrial reference described in described image；
Second acquisition unit 422, for being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtains the position coordinates of the terrestrial reference；
Specifically, above-mentioned second acquisition unit 422 specifically for
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；
The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user, or first Query Result is in the Primary Location region of the mobile terminal.
Further, the determining module 43, including：
First determining unit 43 1, for by the measurement module in the mobile terminal, determining the level interval between the mobile terminal and the terrestrial reference；
Second determining unit 432, for calling the electronic compass in the mobile terminal, obtains the current indicating position of the electronic compass；
3rd determining unit 433, for the current indicating position according to the level interval between the mobile terminal and the terrestrial reference and the electronic compass, determines the relative position of mobile terminal and the terrestrial reference.
More excellent, the positioner also includes control module 45, is used for
If carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；
Then control the mobile terminal to catch and include alternatively target image.
In the present embodiment, the image for including terrestrial reference captured by mobile terminal, and the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference in image is determined according to the image, so as to be positioned to mobile terminal, avoid the problems such as positioning unsuccessful caused by the objective factor such as building is excessive, microwave signal transmission is limited, mobile terminal can be accurately positioned, be played so that the function of mobile terminal is maximized, lift Consumer's Experience.
Fig. 8 is the structure chart of the positioner embodiment three of mobile terminal of the present invention.As shown in figure 8, the present embodiment is used for the entity structure for describing the positioner of mobile terminal, specifically, the positioner of the mobile terminal, including：
Processor 51, the image of terrestrial reference is included for capturing；Specifically, the camera 52 on the control mobile terminal of processor 51 is shot to terrestrial reference, then processor 51 is imaged terrestrial reference, i.e., processor 51 captures the image for including terrestrial reference.
For obtaining the corresponding position coordinates of terrestrial reference described in described image according to described image；The relative position of the mobile terminal and the terrestrial reference is determined by mobile terminal；
According to the relative position of the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, the mobile terminal is positioned.
Specifically, the processor 51 specifically for
Image recognition algorithm is carried out according to described image, the corresponding characteristic information of terrestrial reference described in described image is obtained；
Inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtain the position coordinates of the terrestrial reference；
Further, the processor obtains the position coordinates of the terrestrial reference specifically for being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, including：If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；
If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；
The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user, or first Query Result is in the Primary Location region of the mobile terminal.
Further, the processor 51 determines the relative position of the mobile terminal and the terrestrial reference by mobile terminal, including：
By the measuring unit in the mobile terminal, the level interval between the mobile terminal and the terrestrial reference is determined；
The electronic compass in the mobile terminal is called, the current indicating position of the electronic compass is obtained；
According to the level interval between the mobile terminal and the terrestrial reference and the current indicating position of the electronic compass, the relative position of mobile terminal and the terrestrial reference is determined.
Further, the processor is additionally operable to
If carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；
Then control the mobile terminal to catch and include alternatively target image.
In the present embodiment, the image for including terrestrial reference captured by mobile terminal, and according to the image
Determine the relative position of the corresponding position coordinates of terrestrial reference and mobile terminal and terrestrial reference in image, so as to be positioned to mobile terminal, avoid the problems such as positioning unsuccessful caused by the objective factor such as building is excessive, microwave signal transmission is limited, mobile terminal can be accurately positioned, played so that the function of mobile terminal is maximized, lift Consumer's Experience.
It should be noted that, in each above-mentioned device embodiment, the positioner of mobile terminal is specifically for performing each step in each foregoing embodiment of the method, and specific implementation process and beneficial effect refer to each foregoing embodiment of the method, will not be repeated here.
Claims (15)
- Claims1st, a kind of localization method of mobile terminal, it is characterised in that including：Capture includes the image of terrestrial reference；The corresponding position coordinates of terrestrial reference described in described image is obtained according to described image；The relative position of the mobile terminal and the terrestrial reference is determined by mobile terminal；According to the relative position of the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, the mobile terminal is positioned.2nd, localization method according to claim 1, it is characterised in that the corresponding position coordinates of terrestrial reference according to described image acquisition described image includes：Image recognition algorithm is carried out according to described image, the corresponding characteristic information of terrestrial reference described in described image is obtained；Inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtain the position coordinates of the terrestrial reference；3rd, localization method according to claim 2, it is characterised in that described to be inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtains the position coordinates of the terrestrial reference, including：If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user, or first Query Result is in the Primary Location region of the mobile terminal.4th, localization method according to claim 3, it is characterised in that the relative position of the mobile terminal and the terrestrial reference is determined by mobile terminal, including：By the measurement module in the mobile terminal, the level interval between the mobile terminal and the terrestrial reference is determined；The electronic compass in the mobile terminal is called, the current indicating position of the electronic compass is obtained； According to the level interval between the mobile terminal and the terrestrial reference and the current indicating position of the electronic compass, the relative position of mobile terminal and the terrestrial reference is determined.5th, the localization method according to any one of claim 2 ~ 4, it is characterised in that the localization method also includes：If carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；Then control the mobile terminal to catch and include alternatively target image.6th, a kind of positioner of mobile terminal, it is characterised in that including：Trapping module, the image of terrestrial reference is included for capturing；Coordinate obtaining module, for obtaining the corresponding position coordinates of terrestrial reference described in described image according to described image；Determining module, the relative position for determining the mobile terminal and the terrestrial reference by mobile terminal；Locating module, for the relative position according to the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, is positioned to the mobile terminal.7th, positioner according to claim 6, it is characterised in that the coordinate obtaining module includes：First acquisition unit, for carrying out image recognition algorithm according to described image, obtains the corresponding characteristic information of terrestrial reference described in described image；Second acquisition unit, for being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtains the position coordinates of the terrestrial reference；8th, positioner according to claim 7, it is characterised in that the second acquisition unit specifically forIf being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user , or first Query Result is in the Primary Location region of the mobile terminal.9th, positioner according to claim 8, it is characterised in that the determining module, including：First determining unit, for by the measurement module in the mobile terminal, determining the level interval between the mobile terminal and the terrestrial reference；Second determining unit, for calling the electronic compass in the mobile terminal, obtains the current indicating position of the electronic compass；3rd determining unit, for the current indicating position according to the level interval between the mobile terminal and the terrestrial reference and the electronic compass, determines the relative position of mobile terminal and the terrestrial reference.10th, the positioner according to any one of claim 7 ~ 9, it is characterised in that the positioner also includes control module, is used forIf carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；Then control the mobile terminal to catch and include alternatively target image.11, a kind of positioner of mobile terminal, it is characterised in that including：Camera, the image of terrestrial reference is included for capturing；Processor, for obtaining the corresponding position coordinates of terrestrial reference described in described image according to described image；The relative position of the mobile terminal and the terrestrial reference is determined by mobile terminal；According to the relative position of the corresponding position coordinates of the terrestrial reference and the mobile terminal and the terrestrial reference, the mobile terminal is positioned.12nd, the positioner according to claim 11, it is characterised in that the processor specifically forImage recognition algorithm is carried out according to described image, the corresponding characteristic information of terrestrial reference described in described image is obtained；Inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, obtain the position coordinates of the terrestrial reference；13rd, positioner according to claim 12, it is characterized in that, the processor obtains the position coordinates of the terrestrial reference specifically for being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, including： If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, a Query Result is obtained, then obtains the position coordinates of the corresponding terrestrial reference of the Query Result；If being inquired about according to the characteristic information in the local data base or third party database of the mobile terminal, at least two Query Results are obtained；The first Query Result is then determined at least two Query Result, and obtains the position coordinates of the corresponding terrestrial reference of first Query Result；Wherein the first Query Result is to be indicated to determine according to user, or first Query Result is in the Primary Location region of the mobile terminal.14th, positioner according to claim 13, it is characterised in that the processor determines the relative position of the mobile terminal and the terrestrial reference by mobile terminal, including：By the measuring unit in the mobile terminal, the level interval between the mobile terminal and the terrestrial reference is determined；The electronic compass in the mobile terminal is called, the current indicating position of the electronic compass is obtained；According to the level interval between the mobile terminal and the terrestrial reference and the current indicating position of the electronic compass, the relative position of mobile terminal and the terrestrial reference is determined.15th, the positioner according to any one of claim 12 ~ 14, it is characterised in that the processor is additionally operable toIf carrying out image recognition algorithm according to described image, the corresponding characteristic information failure of terrestrial reference described in described image is obtained；Then control the mobile terminal to catch and include alternatively target image.
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| PCT/CN2014/071796 WO2015113270A1 (en) | 2014-01-29 | 2014-01-29 | Mobile terminal positioning method and apparatus |
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| CN103067856A (en) * | 2011-10-24 | 2013-04-24 | 康佳集团股份有限公司 | Geographic position locating method and system based on image recognition |
| CN103139700A (en) * | 2011-11-28 | 2013-06-05 | 联想(北京)有限公司 | Method and system of terminal positioning |
| EP2669848A1 (en) * | 2012-05-31 | 2013-12-04 | BlackBerry Limited | Methods and apparatus for use in mapping identified visual features of visual images to location areas |
| US20140018096A1 (en) * | 2012-07-16 | 2014-01-16 | Aisle411, Inc. | System and method for indoor location mapping and tracking |
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| US20080153516A1 (en) * | 2006-12-20 | 2008-06-26 | Via Technologies, Inc. | Visual Positioning System and Method for Mobile User Equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067856A (en) * | 2011-10-24 | 2013-04-24 | 康佳集团股份有限公司 | Geographic position locating method and system based on image recognition |
| CN103139700A (en) * | 2011-11-28 | 2013-06-05 | 联想(北京)有限公司 | Method and system of terminal positioning |
| EP2669848A1 (en) * | 2012-05-31 | 2013-12-04 | BlackBerry Limited | Methods and apparatus for use in mapping identified visual features of visual images to location areas |
| US20140018096A1 (en) * | 2012-07-16 | 2014-01-16 | Aisle411, Inc. | System and method for indoor location mapping and tracking |
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