CN102736060A - Positioning device, positioning system and positioning method - Google Patents
Positioning device, positioning system and positioning method Download PDFInfo
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- CN102736060A CN102736060A CN2012101548993A CN201210154899A CN102736060A CN 102736060 A CN102736060 A CN 102736060A CN 2012101548993 A CN2012101548993 A CN 2012101548993A CN 201210154899 A CN201210154899 A CN 201210154899A CN 102736060 A CN102736060 A CN 102736060A
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Abstract
The invention belongs to the technical field of positioning and in particular relates to a positioning device, a positioning system and a positioning method. The positioning device is used for positioning a user positioned in a closed or semi-closed place. The positioning device comprises a storage module and a positioning module, wherein the storage module is used for storing identification information and location information of identification devices arranged on a plurality of locations and also storing a space map of the place; and the positioning module is used for calculating the location information of the user according to information stored in the storage module and an identification image collected by the user and received from the outside of at least one identification device. By utilizing the positioning device, the positioning system and the positioning method, the user positioned in the closed or semi-closed place can be accurately positioned, the positioning cost is greatly reduced, and the positioning device and the positioning method are not affected by environmental factors.
Description
Technical field
The present invention relates to field of locating technology, relate in particular to a kind ofly be used to seal, locating device, positioning system and the localization method in semiclosed place.
Background technology
At present, (Global Positioning System, satellite positioning tech GPS) have developed very ripely GPS, and in the commercial market, bearing accuracy can reach about 1 meter.But GPS calculates coordinate position via satellite, when target be positioned at underground, or when the indoor environment of blocking is arranged,, therefore can't utilize GPS to position owing to can't receive gps signal.
Indoor positioning mainly adopts following wireless communication technique to realize in the prior art; Mainly comprise radio frequency, infrared ray, ultrasound wave, bluetooth, Zigbee, WiFi and ultra broadband or the like, all there is certain technical limitation at present in these indoor positioning technology based on wireless telecommunications.For example indoor radio frequency positioning action distance is shorter, and does not have ability to communicate, is not easy to integrate with other system; Indoor infrared ray location can only line-of-sight propagation, and cost is higher; Indoor ultrasonic locating is provided with complicacy, and cost of layout is higher; The orientation range of indoor bluetooth location is less and the network arrangement cost is higher; Costing an arm and a leg of indoor Zigbee location is not easy to apply; Indoor Wifi location receives the interference of other signal easily, influences bearing accuracy.
Summary of the invention
The embodiment of the invention provides a kind of locating device, positioning system and localization method, can in underground, indoor etc. can not receive sealing or the semiclosed place of satellite-signal, accurately locate.
A kind of locating device that the embodiment of the invention provides is used for the user who is positioned at sealing or semiclosed place is positioned, and said locating device comprises:
Memory module is used to store the identification information and the positional information of the identity device of a plurality of positions that are arranged on said place, also stores the space map in said place; And
Locating module is used for the identification image according to said memory module canned data and at least one said identity device of being gathered by said user of receiving from the outside, calculates said user position information.
A kind of positioning system that the embodiment of the invention provides is used for the user who is positioned at sealing or semiclosed place is positioned, and said positioning system comprises:
Several identity device are separately positioned on several positions in said place, have the sign of its position of unique expression on each said identity device;
Harvester is used to gather the identification image of at least one said identity device, and said identification image is sent to locating device; And
Said locating device stores the identification information and the positional information of said identity device, also stores the space map in said place, is used for calculating the positional information of said harvester according to canned data and said identification image.
The embodiment of the invention also provides a kind of localization method, and the user in sealing or the semiclosed place is positioned, and may further comprise the steps:
Acquisition step utilizes the harvester collection to be arranged on the identification image of at least one identity device of sealing or a plurality of positions in semiclosed place;
Calculation procedure according to the identification information of the identity device of said identification image, pre-stored and the space map in positional information and said place, is calculated the positional information of said harvester.
The locating device that the embodiment of the invention provides, positioning system and localization method; Utilize the smart machine of band camera, network communication function; Be arranged on the sealing that can't receive gps signal or the identity device in the semiclosed place, can the user who be arranged in above-mentioned place be accurately located; The present invention has greatly reduced positioning cost, and this locating device, positioning system and localization method do not receive Effect of Environmental, is easy to promote, applicable to complicacy sealing or semiclosed environment.
Description of drawings
Fig. 1 is the structural representation of the locating device that provides of one embodiment of the invention;
Fig. 2 is the structural representation of the positioning system that provides of one embodiment of the invention;
Fig. 3 is the process flow diagram of the localization method that provides of one embodiment of the invention.
Description of reference numerals: 1: locating device; 2: identity device; 3: harvester; 11: memory module; 12: locating module; 121: extraction unit; 122: computing unit; 13: acquisition module; 14: sending module; 4: server.
Embodiment
As shown in Figure 1, the locating device that one embodiment of the invention provides is used for the user who is positioned at sealing, semiclosed place is positioned, and this locating device 1 comprises: memory module 11 and locating module 12.
Wherein memory module 11 is used to store the identification information and the positional information of the identity device of a plurality of positions that are arranged on above-mentioned place, also stores the space map in above-mentioned place; Wherein the identification information of each identity device and positional information are one to one.Locating module 12 is used for the identification image according to memory module 11 canned datas and at least one identity device of being gathered by the user of receiving from the outside, calculates this user position information.
Particularly, locating module 12 comprises: extraction unit 121 and computing unit 122.
Wherein, extraction unit 121 is used for extracting identification information from identification image, and draws the positional information of the identity device of above-mentioned collection according to identification information and memory module 11 canned datas; Computing unit 122 is used for drawing the relative position of user with respect to the identity device of gathering according to the image size of identification image and image inclination direction; According to the positional information and the space map of this relative position, this identity device, calculate user position information then.
Further; Locating device 1 can also comprise acquisition module 13; This acquisition module 13 is connected with third-party server 4 through network, is used to obtain the information on services that the third party provides, and this information on services comprises: the positional information of destination and arrive at this destination arrive at route etc.; The destination then comprises near the restaurant of user's current location, gymnasium, parking stall etc., and information on services can also comprise the favor information that businessmans such as restaurant, gymnasium provide etc.
Further, locating device 1 can also comprise sending module 14, is used for user position information that calculates and the information on services that obtains are sent to user's terminal device.In the present embodiment, can above-mentioned information be sent to the user with forms such as note, multimedia messages.
As shown in Figure 2, present embodiment also provides a kind of positioning system, comprises the locating device 1 in the foregoing description, comprises several identity device 2 in addition, harvester 3.
Wherein, the sign that all has its position of unique expression on each identity device 2.This identity device 2 can be for the carrier of papery, plastics, wooden or other material and form, like electronic curtain etc.This unique sign can also can be electronic form for image format; Like printing or be drawn on literal, figure, picture, numeral and numbering on papery, the wooden paster, two-dimension code etc., also can be for being presented at numbering, literal and the figure etc. on the electronic curtain.Each identity device 2 is separately positioned on the sealing or the diverse location in semiclosed place, can according on the every wall that is arranged on indoor or inferior space, ground at a distance from certain distance of the actual conditions at scene, post is first-class.Even can not need carrier, but directly sign be plotted on the wall in above-mentioned place, post is first-class, the i.e. sign itself of identity device in this case.
Harvester 3 is used to gather the identification image of the sign on the identity device 2, and the identification image that collects is sent to locating device 1 through network; Usually gather identification image, in fact also can gather near the identification image of a plurality of identity device 2 of user, so that can obtain more accurate positional information in the subsequent step from the nearest identity device 2 of user.Harvester 3 can be arranged in user's the terminal device, specifically can be the camera that carries in the terminal device, and user's terminal device includes but not limited to equipment such as mobile phone, Pad, PDA and vehicle-mounted computer.Therefore, can think that the position of harvester 3 is user's position.
Localization method as shown in Figure 3, that one embodiment of the invention provides, promptly the principle of work of above-mentioned locating device may further comprise the steps:
Step S11, harvester 3 are gathered the identification image of identity device 2, and this identification image are sent to locating device 1 through network;
Step S12, locating device 1 receive identification image, and the extraction unit 121 of locating device 1 extracts the identification information on this identification image, and judge the positional information of this identity device 2 according to memory module 11 canned datas;
Step S13, computing unit 122 draw the relative position of harvester 3 with respect to this identity device 2 according to image size, the image inclination direction of identification image; Draw harvester 3, i.e. user position information according to the positional information of this relative position, identity device 2 and the space map of memory module 11 storages then;
Step S14, acquisition module 13 obtain the information on services that third-party server provides based on this positional information;
Step S15, sending module 14 are sent to this positional information and information on services on user's the terminal device.
With concrete embodiment the locating device and the system of present embodiment are described below.
Embodiment one
Present embodiment is scene with the parking lot, and harvester 3 is that example describes with the camera of terminal device, and identity device 2 is that example describes with the some pasters that are attached in the parking lot, is painted with different shape pattern on the paster and identifies as it.
When certain place that the user is positioned at the parking lot can not find idle parking stall, camera collection that can be through terminal device was apart from the identification image of its nearest paster, and the identification image that collects is sent to locating device 1.The extraction unit 121 of locating device 1 extracts identification information from identification image, if the pattern on the nearest paster of user is circular, then this identification information is circular; Computing unit 122 is searched in memory module 11 according to this identification information then; Draw the positional information of this paster; Computing unit 122 is according to the image size and the image inclination angle of identification image then; Calculate the relative position of camera with respect to paster, combine the space map of memory module 11 storages and the positional information calculation of paster to go out user position information again, sending module 14 is sent to this positional information on user's terminal device then.Locating device 1 automatically all right and parking lot server networking; Obtain the positional information of idle parking stall by acquisition module 13; And the position that calculates the user is to the destination; Be the route that arrives at of nearest idle parking stall, the positional information that sending module 14 should the free time parking stall then and arrive at the terminal device that route sends to the user.In the present embodiment, can send, also can be presented on the terminal device with the ground diagram form with the form of note or multimedia message.
Embodiment two
Present embodiment with have a plurality of dining rooms, fitness centre and study the place the market be scene; Harvester 3 is that example describes with the camera of terminal device; Identity device 2 is that example describes with the electronic curtain that is arranged in the market, shows different coding on each electronic curtain and identifies as it.
When user certain place in the market can not find the restaurant, take the identification image that is arranged in the electronic curtain in the market, on this identification image of shooting identification information arranged, be the numbering that shows on the electronic curtain with the camera that loads in the terminal device.
Camera collection to identification image send to locating device 1 through wireless network; The extraction unit 121 of locating device 1 extracts the numbering on the identification image; Computing unit 122 is searched in memory module 11 according to this numbering; Can obtain the positional information of this electronic curtain, computing unit 122 analysis images size and image inclination angle can draw the relative position of camera with respect to electronic curtain then, combine the space map of memory module 11 storages again; Can draw the positional information of camera, sending module 14 is sent to this positional information on user's the terminal device.
Locating device 1 can also be connected with the mall information server through the internet in real time; Obtained the information on services such as dining room information, body-building club information in this market by acquisition module 13, sending module 14 sends to the user with the information on services that receives with the form of short message or multimedia message then.
Particularly, acquisition module 13 can all send to the user with the information on services that obtains, and also can information on services be sent to the user selectively according to user's selection.For example; Acquisition module 13 is sent to the user with the dining room information of obtaining, body-building club information; The user selects dining room information; Then acquisition module 13 obtains all the dining room information in this market and is sent to the user, and the user selects A dining room wherein then, then acquisition module 13 relevant information, favor information and the user that obtain this A dining room (being target place) arriving at route and be sent on user's the terminal device to the A dining room.
Locating device that present embodiment provides and positioning system are applicable to all kinds of public places, comprise sealing or semiclosed places such as hotel, market, parking lot, cinema and sports buildings.
The locating device that the embodiment of the invention provides, positioning system and localization method; Utilize the smart machine of band camera; Be arranged on the sealing that can't receive gps signal or the identity device in the semiclosed place, can the user who be arranged in this place be accurately located; The present invention makes full use of the subscriber terminal equipment of popularizing very much; And the identity device cost is extremely low; So greatly reduced positioning cost; And locating device provided by the invention, positioning system and localization method do not receive the influence of environmental factor (like distance, light, on every side signal or the like), are easy to promote, applicable to complicacy sealing or semiclosed environment.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection domain with claim.
Claims (12)
1. a locating device is characterized in that, is used for the user who is positioned at sealing or semiclosed place is positioned, and said locating device comprises:
Memory module is used to store the identification information and the positional information of the identity device of a plurality of positions that are arranged on said place, also stores the space map in said place; And
Locating module is used for the identification image according to said memory module canned data and at least one said identity device of being gathered by said user of receiving from the outside, calculates said user position information.
2. locating device according to claim 1 is characterized in that, said locating module specifically comprises:
Extraction unit is used for extracting identification information from said identification image, and draws the positional information of the identity device of being gathered according to said identification information and said memory module canned data; And
Computing unit; Be used for drawing the relative position of said user with respect to the identity device of being gathered according to the image size and the image inclination direction of said identification image; According to the positional information and the said space map of said relative position, the identity device of being gathered, draw said user position information then.
3. locating device according to claim 1 and 2 is characterized in that, said locating device also comprises:
Acquisition module is connected with third-party server through network, is used to obtain the information on services that the third party provides; And
Sending module is used for said user position information and said information on services are sent to said user's terminal device.
4. a positioning system is characterized in that, is used for the user who is positioned at sealing or semiclosed place is positioned, and said positioning system comprises:
Several identity device are separately positioned on several positions in said place, have the sign of its position of unique expression on each said identity device;
Harvester is used to gather the identification image of at least one said identity device, and said identification image is sent to locating device; And
Said locating device stores the identification information and the positional information of said identity device, also stores the space map in said place, is used for calculating the positional information of said harvester according to canned data and said identification image.
5. positioning system according to claim 4 is characterized in that, said locating device specifically comprises:
Memory module is used to store the identification information and the positional information of each said identity device, and the identification information of each said identity device is corresponding one by one with its positional information, also stores said space map;
Extraction unit is used for extracting identification information from said identification image, and draws the positional information of the identity device of being gathered according to said identification information and said memory module canned data; And
Computing unit; Be used for drawing the relative position of said harvester with respect to the identity device of being gathered according to the image size and the image inclination direction of said identification image; According to the positional information and the said space map of said relative position, the identity device of being gathered, draw the positional information of said harvester then.
6. positioning system according to claim 5 is characterized in that, said locating device also comprises:
Acquisition module is connected with third-party server through network, is used to obtain the information on services that the third party provides; And
Sending module is used for the terminal device that positional information and said information on services with said harvester are sent to the user.
7. according to each described positioning system of claim 4-6, it is characterized in that,
Said identity device comprises one or more of papery paster, plastics paster or electronic curtain, and said sign comprises one or more of literal, numeral, figure and two-dimension code.
8. a localization method is characterized in that, may further comprise the steps:
Acquisition step utilizes the harvester collection to be arranged on the identification image of at least one identity device of sealing or a plurality of positions in semiclosed place;
Calculation procedure according to the identification information of the identity device of said identification image, pre-stored and the space map in positional information and said place, is calculated the positional information of said harvester.
9. localization method according to claim 8 is characterized in that, said calculation procedure specifically comprises:
From said identification image, extract identification information, and judge the positional information of the identity device of being gathered according to canned data;
Image size and image inclination direction according to said identification image draw the relative position of said harvester with respect to the identity device of being gathered, then according to the positional information of said relative position, the identity device of being gathered and the positional information that said space map draws said harvester.
10. localization method according to claim 9 is characterized in that, said localization method also comprises:
Be connected with third-party server through network, obtain the information on services that the third party provides based on the positional information of said harvester.
11. localization method according to claim 10 is characterized in that, said localization method also comprises:
The positional information of said harvester and the said information on services that obtains are sent on user's the terminal device.
12. localization method according to claim 11 is characterized in that, said information on services comprises the positional information of destination and arrives at route.
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