CN201277863Y - Positioning system based on landmark information - Google Patents
Positioning system based on landmark information Download PDFInfo
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- CN201277863Y CN201277863Y CNU2008200954594U CN200820095459U CN201277863Y CN 201277863 Y CN201277863 Y CN 201277863Y CN U2008200954594 U CNU2008200954594 U CN U2008200954594U CN 200820095459 U CN200820095459 U CN 200820095459U CN 201277863 Y CN201277863 Y CN 201277863Y
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Abstract
A positioning system based on landmark information comprises an information input module, a search module, a landmark database, a positioning calculation module, an electronic map module and a mobile device peripheral. The information input module obtains a plurality of landmarks around users and the distance between the landmarks and the users; the search module searches the position coordinates of the landmarks from the landmark database; the positioning calculation module calculates the optimal coordinates of the positions of the users according to the position coordinates and the distance data; and the positions of the users are displayed through the electronic map module. The users can correct the position of the mobile device peripheral on the map to realize more accurate position. The utility model provides the novel equipment rapidly positioning for the users without depending on satellite navigation positioning module or a mobile base station module, saves the position cost, occupies less resources and is simple and rapid for operation.
Description
[technical field]
The utility model relates to the location and navigation technology of electronic technology field, particularly a kind of positioning system based on landmark information.
[background technology]
Location-based service is closely related with people's life, work, amusement etc., is rapidly developed in recent years.Location technology in the current position service is common location and GPS or A-GPS location based on the mobile base station.Weak point based on the locator meams of mobile base station is that bearing accuracy is not high, and the location can be subjected to the restriction of the network coverage, and the user need pay certain expense to operator.It is bigger that the weak point of GPS module location is to be subjected to environment and weather conditions to influence, and mobile device is implanted into the cost of GPS module than higher, and the positioning time of GPS module is long in addition, power consumption is big, processor performance is had relatively high expectations.
[summary of the invention]
The purpose of this utility model is that to personal user especially pedestrian provides a kind of positioning system based on terrestrial reference this system does not rely on location, mobile base station and satellite navigation and location system, and cost is low, and is easy and simple to handle.
The utility model addresses the above problem by the following technical programs: a kind of positioning system based on landmark information comprises MIM message input module, search module, landmark data storehouse, location computing module, the peripheral hardware of electric map module and mobile device.Obtain the terrestrial reference title of some quantity around the user and this terrestrial reference and user's distance by MIM message input module; Search module links to each other with MIM message input module, obtains the terrestrial reference title, and retrieve the landmark locations coordinate in the landmark data storehouse, and position coordinates is represented with latitude and longitude value usually.The location computing module links to each other with search module, obtains terrestrial reference title and position coordinates that search module transmits.The location computing module also links to each other with MIM message input module, obtains terrestrial reference with the range data between the user.The location computing module calculates user's optimization position after obtaining a series of landmark locations and range data.Electric map module links to each other with the location computing module, obtains the positional information that the location computing module transmits; Electric map module also links to each other with the peripheral hardware (display screen, input equipment) of mobile device, and Primary Location is realized in explicit user position on map.The user adjusts own position on map by the input equipment of mobile device, further improves bearing accuracy.Electric map module calculates the geographic coordinate of this position according to user adjusted position on map, thereby is that other location-based services that realize mobile device lay the foundation.
Described terrestrial reference had both referred to the building of city area flag, also comprise the point of interest that is positioned in the city around the user (Point Of Interests, POI)
Described user imports the terrestrial reference and the range information thereof of some quantity, and " some quantity " both can be one also can be a plurality of terrestrial references.The landmark information of every input both can be the complete data that comprise terrestrial reference title and distance, also can be the data of having only the terrestrial reference title.
The calculating of described user's optimization position, its method is: if only obtained a landmark information, then the longitude and latitude with this terrestrial reference is considered as user's current location; If obtained many landmark informations, then be that center, distance are that radius is drawn circle with the landmark locations.Utilize these circular intersection point calculation users' optimization position then, for example can adopt centroid algorithm, with the center of gravity of these intersection points as the current optimization of user position.
This utility model can further be specially:
Described MIM message input module comprises two kinds of implementations of literal load module and voice input module, and the user can select wherein a kind of mode realization information input according to actual conditions.Described literal load module obtains terrestrial reference title and the range data of user by some quantity of the peripheral hardware input of mobile device.Described voice input module, its front end major function is to obtain the voice data that comprises terrestrial reference title and distance of user's input and voice data is carried out processing such as filtering, sampling, quantification, windowing, and phonetic feature extraction, end-point detection, pattern-recognition are carried out in the rear end.Then the terrestrial reference name delivery is arrived search module, range data is delivered to the location Calculation module.Need to prove that the terrestrial reference title is the project of essential input, distance can be to select the project of input.In order to improve the audio identification accuracy of voice input module, native system need be stipulated certain audio frequency input format.Described audio frequency input format refers to the syntax format that the user follows when the input phonetic order, for example certain terrestrial reference information input format is: " terrestrial reference: Oriental Pearl TV Tower distance: 500 meters ", in addition also should stipulate the sign of a landmark information end of input and the sign of next bar landmark information input beginning etc.
Described search module links to each other with the landmark data storehouse, and terrestrial reference and latitude and longitude information thereof are retrieved out.If the terrestrial reference title of user's input is accurate inadequately, just may produce a plurality of Search Results at a terrestrial reference.To this, two kinds of solutions are arranged.The first links to each other the peripheral hardware of search module with mobile device, carries out man-machine interaction, by manually coming to select Search Results; It two is to determine Search Results according to the principle that standoff distance between a plurality of terrestrial references of user input can not exceed certain scope.The algorithm that at present search of data is had some comparative maturities is considered the characteristics of mobile device processor and internal storage resource-constrained, need carry out some optimizations to data storage organization and algorithm.
Described location computing module links to each other with search module, links to each other with MIM message input module simultaneously, obtains the coordinate and the distance of a series of terrestrial references, calculates optimized customer location coordinate.
Described electric map module links to each other with the peripheral hardware of mobile device, behind user's optimization position coordinates that acquisition location computing module calculates, customer location is presented on the map.
The utility model utilizes the peripheral hardware of mobile device, as the key up and down of mobile phone, realizes man-machine interaction, and the user adjusts own position on map, and the customer location coordinate is made correction.Electric map module calculates revised customer location coordinate, as representing with latitude and longitude value after obtaining to confirm instruction.Electric map module can be according to revised coordinate then, on map, gives the user with direction feeling clearly user's position display.
The customer location coordinate is the basis of mobile device position-based service, and system obtains revised customer location coordinate, just can provide such as navigation, check position services such as peripheral point of interest, traffic programme.
Advantage of the present utility model is: a kind of positioning system based on landmark information is located profound understanding city pedestrian and is provided a kind of on the basis of characteristics and need can not save the location cost fast for the novel locator meams of user location by satellite navigation locating module or mobile base station module; Save user time by phonetic entry and identification module, given new function for the voice-input device of mobile device simultaneously; It is few, simple to operate, quick to take resource.
[description of drawings]
Fig. 1 is the inner composition diagram of a kind of positioning system based on landmark information of the utility model.
Fig. 2 is that a kind of positioning system location computing module based on landmark information of the utility model is realized schematic diagram.
[specific embodiments]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the inner composition diagram of a kind of positioning system based on landmark information.A kind of positioning system based on landmark information comprises MIM message input module, search module, landmark data storehouse, location computing module, the peripheral hardware of electric map module and mobile device.Obtain the terrestrial reference title of some quantity around the user and this terrestrial reference and user's distance by MIM message input module; Search module links to each other with MIM message input module, obtains the terrestrial reference title, and retrieve the landmark locations coordinate in the landmark data storehouse, and position coordinates is represented with latitude and longitude value usually.The location computing module links to each other with search module, obtains terrestrial reference title and position coordinates that search module transmits.The location computing module also links to each other with MIM message input module, obtains terrestrial reference with the range data between the user.The location computing module calculates user's optimization position after obtaining a series of landmark locations and range data.Electric map module links to each other with the location computing module, obtains the positional information that the location computing module transmits; Electric map module also links to each other with the peripheral hardware (display screen, input equipment) of mobile device, and Primary Location is realized in explicit user position on map.The user adjusts own position on map by the input equipment of mobile device, further improves bearing accuracy.Electric map module calculates the geographic coordinate of this position according to user adjusted position on map, thereby is that other location-based services that realize mobile device lay the foundation.
Described terrestrial reference had both referred to the building of city area flag, also comprise the point of interest that is positioned in the city around the user (Point Of Interests, POI)
Described user imports the terrestrial reference and the range information thereof of some quantity, and " some quantity " both can be one also can be a plurality of terrestrial references.The landmark information of every input both can be the complete data that comprise terrestrial reference title and distance, also can be the data of having only the terrestrial reference title.
This utility model can further be specially:
Described MIM message input module comprises two kinds of implementations of literal load module and voice input module, and the user can select wherein a kind of mode realization information input according to actual conditions.Described literal load module obtains terrestrial reference title and the range data of user by some quantity of the peripheral hardware input of mobile device.Described voice input module, its front end major function is to obtain the voice data that comprises terrestrial reference title and distance of user's input and voice data is carried out processing such as filtering, sampling, quantification, windowing, and phonetic feature extraction, end-point detection, pattern-recognition are carried out in the rear end.Then the terrestrial reference name delivery is arrived search module, range data is delivered to the location Calculation module.Need to prove that the terrestrial reference title is the project of essential input, distance is to select the project imported.In order to improve the audio identification accuracy of voice input module, native system need be stipulated certain audio frequency input format.Described audio frequency input format refers to the syntax format that the user follows when the input phonetic order, for example certain terrestrial reference information input format is: " terrestrial reference: Oriental Pearl TV Tower distance: 500 meters ", in addition also should stipulate the sign of a landmark information end of input and the sign of next bar landmark information input beginning etc.
Described search module links to each other with the landmark data storehouse, and terrestrial reference and latitude and longitude information thereof are retrieved out.If the terrestrial reference title of user's input is accurate inadequately, just may produce a plurality of Search Results at a terrestrial reference.To this, two kinds of solutions are arranged.The first links to each other the peripheral hardware of search module with mobile device, carries out man-machine interaction, by manually coming to select Search Results; It two is to determine Search Results according to the principle that standoff distance between a plurality of terrestrial references of user input can not exceed certain scope.The algorithm that at present search of data is had some comparative maturities is considered the characteristics of mobile device processor and internal storage resource-constrained, need carry out some optimizations to data storage organization and algorithm.
Described location computing module links to each other with search module, links to each other with MIM message input module simultaneously, obtains the coordinate and the distance of a series of terrestrial references, calculates optimized customer location coordinate.Fig. 2 is location computing module algorithm principle figure.The calculating of described user's optimization position, one of its method is: if only obtained a landmark information, then the longitude and latitude with this terrestrial reference is considered as user's current location; If obtained many landmark informations, then be that center, distance are that radius is drawn circle with the landmark locations.Obtain the barycentric coordinates of these circular intersection points, it is considered as user's optimization position.Please refer to Fig. 2, suppose that the user has imported three terrestrial reference titles and the user distance with terrestrial reference, then three border circular areas intersection point that can obtain is P1, P2, and P3, P4, P5, P6, then the center of gravity P of intersection point is user's optimization position.
Described electric map module links to each other with the peripheral hardware of mobile device, behind user's optimization position coordinates that acquisition location computing module calculates, customer location is presented on the map.Display position on electronic chart, by mobile phone peripheral hardware mobile electronic map, calculating on the electronic chart certain point coordinate etc. all is mature technology, need not give unnecessary details.
The utility model utilizes the peripheral hardware (as the key up and down of mobile phone) of mobile device to realize that man-machine interaction, user adjust own position on map, and the customer location coordinate is made correction.Electric map module calculates revised customer location coordinate (as representing with latitude and longitude value) after obtaining the pinpoint affirmation instruction of user.
The customer location coordinate is the basis of mobile device position-based service, and system obtains after the revised customer location coordinate, just can provide such as navigation, check position services such as peripheral point of interest, traffic programme.
The utility model has the advantage of: the basis of locating characteristics profound understanding city pedestrian provides one The practicality that kind not need to can not locate for the user fast by satellite navigation locating module or mobile base station module Novel device has been saved the location cost; Saved user time by phonetic entry and identification module, simultaneously For the voice-input device of mobile device has been given new function; Simple to operate, convenient and swift.
Claims (2)
1. positioning system based on landmark information is characterized in that: a kind of positioning system based on landmark information comprises MIM message input module, search module, landmark data storehouse, location computing module, the peripheral hardware of electric map module and mobile device; Obtain the terrestrial reference title of some quantity around the user and this terrestrial reference and user's distance by MIM message input module; Search module links to each other with MIM message input module, obtains the terrestrial reference title, and retrieve the landmark locations coordinate in the landmark data storehouse, and position coordinates is represented with latitude and longitude value usually; The location computing module links to each other with search module, obtains terrestrial reference title and position coordinates that search module transmits, and the location computing module also links to each other with MIM message input module, obtains terrestrial reference with the range data between the user; The location computing module calculates user's optimization position after obtaining a series of landmark locations and range data; Electric map module links to each other with the location computing module, obtains the positional information that the location computing module transmits, and electric map module also links to each other with the peripheral hardware of mobile device, and Primary Location is realized in explicit user position on map; The user adjusts own position on map by the input equipment of mobile device, further improves bearing accuracy; Electric map module calculates the geographic coordinate of this position according to user adjusted position on map, thereby is that other location-based services that realize mobile device lay the foundation.
2. a kind of positioning system as claimed in claim 1 based on landmark information, it is characterized in that: described location computing module links to each other with search module, link to each other with sound identification module with the literal load module simultaneously, obtain the coordinate and the distance of terrestrial reference, calculate optimized customer location coordinate; Described electric map module links to each other with the peripheral hardware of mobile device, behind user's optimization position coordinates that acquisition location computing module calculates, customer location is presented on the map.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200954594U CN201277863Y (en) | 2008-07-10 | 2008-07-10 | Positioning system based on landmark information |
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|---|---|---|---|
| CNU2008200954594U CN201277863Y (en) | 2008-07-10 | 2008-07-10 | Positioning system based on landmark information |
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| CN201277863Y true CN201277863Y (en) | 2009-07-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185581A (en) * | 2011-12-28 | 2013-07-03 | 上海博泰悦臻电子设备制造有限公司 | Information prompting device and prompting method for POI search results |
| CN103257354A (en) * | 2013-04-17 | 2013-08-21 | 广东欧珀移动通信有限公司 | Positioning method based on mobile terminal and mobile terminal |
| CN105451179A (en) * | 2015-12-25 | 2016-03-30 | 百度在线网络技术（北京）有限公司 | Positioning method and device |
| CN106649619A (en) * | 2016-12-01 | 2017-05-10 | 湖南简成信息技术有限公司 | Outdoor activity, game and tourist map generation method, device and equipment |
| CN107305129A (en) * | 2016-04-22 | 2017-10-31 | 沃尔沃汽车公司 | For generating the method for navigation data and guider for performing this method |
| CN112560917A (en) * | 2020-12-07 | 2021-03-26 | 北京交通大学 | Visual positioning method and system |
-
2008
- 2008-07-10 CN CNU2008200954594U patent/CN201277863Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185581A (en) * | 2011-12-28 | 2013-07-03 | 上海博泰悦臻电子设备制造有限公司 | Information prompting device and prompting method for POI search results |
| CN103185581B (en) * | 2011-12-28 | 2017-03-08 | 上海博泰悦臻电子设备制造有限公司 | Information presentation device, the reminding method of POI search result |
| CN103257354A (en) * | 2013-04-17 | 2013-08-21 | 广东欧珀移动通信有限公司 | Positioning method based on mobile terminal and mobile terminal |
| CN103257354B (en) * | 2013-04-17 | 2015-03-11 | 广东欧珀移动通信有限公司 | Positioning method based on mobile terminal and mobile terminal |
| CN105451179A (en) * | 2015-12-25 | 2016-03-30 | 百度在线网络技术（北京）有限公司 | Positioning method and device |
| CN107305129A (en) * | 2016-04-22 | 2017-10-31 | 沃尔沃汽车公司 | For generating the method for navigation data and guider for performing this method |
| CN107305129B (en) * | 2016-04-22 | 2021-07-20 | 沃尔沃汽车公司 | Method for generating navigation data and navigation device for performing the method |
| CN106649619A (en) * | 2016-12-01 | 2017-05-10 | 湖南简成信息技术有限公司 | Outdoor activity, game and tourist map generation method, device and equipment |
| CN106649619B (en) * | 2016-12-01 | 2018-06-08 | 湖南简成信息技术有限公司 | Outdoor activities, game and Tourism land drawing generating method, device and equipment |
| CN112560917A (en) * | 2020-12-07 | 2021-03-26 | 北京交通大学 | Visual positioning method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20140710 |
|
| EXPY | Termination of patent right or utility model |