CN106211066A - For obtaining the methods, devices and systems of POI data - Google Patents
For obtaining the methods, devices and systems of POI data Download PDFInfo
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- CN106211066A CN106211066A CN201610509839.7A CN201610509839A CN106211066A CN 106211066 A CN106211066 A CN 106211066A CN 201610509839 A CN201610509839 A CN 201610509839A CN 106211066 A CN106211066 A CN 106211066A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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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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Abstract
It is an object of the invention to provide a kind of methods, devices and systems for obtaining POI data.The method according to the invention comprises the following steps: using bicycle to gather during data, and the positional information gathered based on described GPS device is obtained from the first trace information of driving；By described mobile device is positioned, obtain the second trace information corresponding to described mobile device；Based on described second trace information, described first trace information is modified, to obtain the trace information of revised bicycle.Compared with prior art, the invention have the advantages that the track by obtaining mobile device during gathering POI data at bicycle based on WiFi location technology, the trace information of bicycle can be modified, decrease the impact of multipath effect when obtaining positional information so that the positional information of the POI data of acquisition is the most accurate.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of for obtaining the method for POI data, device and being
System.
Background technology
Point of interest (Point of Interest, POI) comprises title, classification, latitude, longitude, neighbouring restaurant of hotel business
The information such as paving, can be used for digital map navigation, and POI data is the basis of O2O service, directly provides comprehensively for users, intuitively
Demand information.There is the POI of substantial amounts in real life scenarios, wherein significant proportion is that user has actual demand, this
A little POI need to gather on the spot to reach the standard grade.
Existing POI acquisition mode is the most artificial to be gathered, i.e. collector's handheld mobile device (such as panel computer) contrast
Existing map base map, reaffirms information such as original POI point position, title, address, telephone numbers, and supplements newly-increased
POI, the most on-the-spot typing acquisition system, also need to after the end of job that operation achievement is carried out packing and upload to base.Which
Collecting efficiency is low, and the update cycle is longer, and the position data degree of accuracy obtained is relatively low.
Prior art has had the scheme gathering POI data based on bicycle, but when bicycle running is at high building
Among the housing-group stood in great numbers, building circumstance of occlusion is serious, includes reflection and refraction letter in the satellite-signal that receiver receives
Number, here it is so-called multipath effect.Therefore, may be by the shadow of multipath effect based on the position data acquired in which
Loud and not accurate enough.
Summary of the invention
It is an object of the invention to provide a kind of methods, devices and systems for obtaining POI data.
According to an aspect of the invention, it is provided a kind of for assisting the method obtaining POI data in a mobile device,
Wherein, described mobile device is equipped on the bicycle for gathering POI data, and, this bicycle is additionally provided with GPS device and
Image capture device, said method comprising the steps of:
-during using bicycle to gather data, the positional information gathered based on described GPS device obtains voluntarily
First trace information of car；
-by described mobile device is positioned, obtain the second trace information corresponding to described mobile device；
-based on described second trace information, described first trace information is modified, to obtain revised bicycle
Trace information.
According to an aspect of the present invention, additionally provide a kind of for assisting the mobile device obtaining POI data, wherein,
Described mobile device is equipped on the bicycle for gathering POI data, and, this bicycle also carries GPS device and image is adopted
Collection equipment, described mobile device includes:
For during using bicycle to gather data, the positional information gathered based on described GPS device obtains
The device of the first trace information of bicycle；
For by described mobile device is positioned, obtain the second trace information corresponding to described mobile device
Device；
For based on described second trace information, described first trace information being modified, with obtain revised from
The device of the trace information of driving.
According to an aspect of the present invention, a kind of acquisition system for obtaining POI data, described collection system are additionally provided
System comprises the mobile device according to the present invention, the described GPS device being equipped on bicycle and described image capture device.
Compared with prior art, the invention have the advantages that by bicycle gather during POI data based on
WiFi location technology obtains the track of mobile device, it is possible to be modified the trace information of bicycle, decreases acquisition position
The impact of multipath effect during information so that the positional information of the POI data of acquisition is the most accurate；Further, adopting according to the present invention
The shooting operation of the controlled imaged collecting device of collecting system, is acquired image information for staff and provides convenience；Further,
Acquisition system according to the present invention has voice broadcast and sound-recording function, is acquired work for staff and provides convenience.
Accompanying drawing explanation
By the detailed description that non-limiting example is made made with reference to the following drawings of reading, other of the present invention
Feature, purpose and advantage will become more apparent upon:
Fig. 1 illustrate according to the present invention a kind of for assist in a mobile device obtain POI data method flow
Figure；
It is a kind of for assisting the structural representation of mobile device obtaining POI data that Fig. 2 illustrates according to the present invention；
Fig. 3 illustrates the schematic diagram of a kind of acquisition system for obtaining POI data according to the present invention.
In accompanying drawing, same or analogous reference represents same or analogous parts.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Fig. 1 illustrate according to the present invention a kind of for assist in a mobile device obtain POI data method flow
Figure.Described method includes step S1, step S2 and step S3.
Wherein, described mobile device includes but not limited to that any one can be passed through keyboard, mouse, remote controller with user, touch
The mode such as template or voice-operated device carries out the electronic product of man-machine interaction, such as, panel computer, smart mobile phone, PDA, game machine
Deng.
Preferably, described mobile device is equipped on the bicycle for gathering POI data.
Wherein, described POI data can include the title of location point, classification, latitude, longitude, neighbouring retail shop of restaurant of hotel etc.
Information
Preferably, described bicycle is additionally provided with GPS device and image capture device.
Preferably, described mobile device can be communicated with GPS device and image capture device by network.
Preferably, described mobile device can be communicated with the control being equipped on bicycle terminal by network, should
Control terminal to be communicated with GPS device communication and by network image collecting device by serial ports or USB interface, thus realize
Mobile device and GPS device and the communication of image capture device.
It is highly preferred that described mobile device is communicated with GPS device and image capture device by WiFi.
It should be noted that described mobile device and network are only for example, other are existing or are likely to occur from now on
Mobile device and network are such as applicable to the present invention, within also should being included in scope, and with way of reference bag
It is contained in this.
With reference to Fig. 1, in step sl, during using bicycle to gather data, mobile device sets based on described GPS
The standby positional information gathered is obtained from the first trace information of driving.
Specifically, described mobile device based on predetermined time interval constantly obtain GPS device gather corresponding to multiple
The positional information of location point, thus obtain described first trace information.
Preferably, described mobile device records described first trace information in log information.
The first example according to the present invention, is provided with GPS device dev_1, intelligence hands for gathering the bicycle of POI data
Machine mob_1 and two camera cam_1 and cam_2, staff uses the application program app_1 of smart mobile phone mob_1 to assist
Generate POI data, and, mobile device mob_1 is carried out with GPS device dev_1 and camera cam_1 and cam_2 by WiFi
Communication.
During staff uses bicycle to gather data, smart mobile phone mob_1 is in step sl based on every 1 second
Clock obtains and once obtains the positional information corresponding to multiple location points that GPS device dev_1 gathers, thus obtains the of bicycle
One trace information trace_1, to show in application program app_1.
It should be noted that the example above is only better described technical scheme, rather than the limit to the present invention
System, it should be appreciated by those skilled in the art that any positional information gathered based on described GPS device is obtained from the first of driving
The implementation of trace information, should be included in the scope of the present invention.
With continued reference to Fig. 1, in step s 2, described mobile device is carried out determining by mobile device by WiFi location technology
Position, to obtain the second trace information corresponding to described mobile device.
Specifically, described step S2 farther includes step S201 (not shown), step S202 (not shown) and step
S203 (not shown).
In step s 201, mobile device connects by opening the WiFi of mobile device, obtains around mobile device
The signal correction information that individual or multiple WAP is corresponding.
Wherein, described signal correction information includes identification information and the signal strength information of each WAP.Described
Identification information includes the various information that can be used for uniquely identifying WAP.Preferably, described identification information includes wireless connecing
The mac address information of access point.
Specifically, mobile device is come many based on the time interval identical with the time interval obtaining the first trace information employing
The signal correction information of the one or more WAPs (AP) around secondary acquisition mobile device.
Then, in step S202, described signal correction information is sent to corresponding location server by mobile device, with
Receive the positional information of the mobile device of this location server feedback.
Wherein, the identification information of one or more WAPs that described location server can send based on mobile device
And signal strength information, obtained the geographical position of each WAP by retrieval, and combine the strong and weak journey of each signal
Degree, calculates the geographical position of this mobile device and returns to this mobile device.
Then, in step S203, mobile device positional information based on mobile device obtains described second trace information.
Preferably, mobile device is also based on the positional information obtained by WiFi location technology, it is judged that mobile device position
In any side of travel, and record mobile device along which skidding of road is sailed and travel direction.
Continuing to illustrate foregoing First example, smart mobile phone mob_1 is connected by unlatching WiFi in step s 201,
Identification information and the signal strength information of the one or more WAPs (AP) obtained around smart mobile phone every 1 second are made
For signal correction information, thus obtain signal correction information info_1 corresponding to location point point_1 to point_100.Connect
, signal correction information info_1 is sent to location server serv_1 in step S202 by smart mobile phone mob_1, to receive
The smart mobile phone mob_1 of this location server serv_1 feedback is corresponding to the position letter of location point point_1 to point_100
Breath, and obtain corresponding second trace information trace_2.
It should be noted that the example above is only better described technical scheme, rather than the limit to the present invention
System, be it should be appreciated by those skilled in the art that and any positioned described mobile device by WiFi location technology, right to obtain
The implementation of the second trace information of mobile device described in Ying Yu, should be included in the scope of the present invention.
With continued reference to Fig. 1, in step s3, mobile device is based on described second trace information, to described first track letter
Breath is modified, to obtain the trace information of revised bicycle.
Wherein, described first trace information and the second trace information comprise obtain based on identical time interval, right
Should be in the positional information of multiple location points.
Specifically, the positional information of mobile device each location point based on described second trace information, delete the first rail
Mark information differs the positional information of bigger one or more location points with the second track.
Preferably, bigger one or more positions are differed during mobile device deletes the first trace information with the second trace information
After putting positional information a little, and it is replaced with in the second trace information the position letter corresponding to these one or more location points
Breath.
Continuing to illustrate foregoing First example, smart mobile phone mob_1 is based on the first trace information trace_1 and second
Trace information trace_2, determines in the first trace information trace_1 corresponding to location point location_3 to location_10
Positional information and the second trace information trace_2 differ by more than predetermined threshold, then smart mobile phone mob_1 delete first track letter
The positional information of location point location_3 to location_10 in breath trace_1, and it is replaced with the second trace information
The positional information of location point location_3 to location_10 in trace_2, thus obtain the track of revised bicycle
Information.
It should be noted that the example above is only better described technical scheme, rather than the limit to the present invention
System, it should be appreciated by those skilled in the art that any based on described second trace information, is modified described first trace information
Implementation, should be included in the scope of the present invention.
Preferably, the method according to the invention also includes step S4 (not shown) and step S5 (not shown).
In step s 4, mobile device presents the trace information of revised bicycle.
In step s 5, the specific location point in the trace information of described bicycle is marked by mobile device.
Such as, the first trace information and the second trace information are deviateed bigger location point and is marked, or to special
The location point at building place is marked.
Preferably, described method also includes step S6 (not shown).
The trace information of revised bicycle is sent to other equipment by mobile device, to carry out follow-up data process
Operation.
Preferably, the trace information of revised bicycle is compared by mobile device with actual road network information, with
Further the partial traces information of bicycle is modified.Or, mobile device can be by sending to other equipment, for other
By equipment, the trace information of revised bicycle is compared with actual road network information, with rail to bicycle further
Mark information is modified.
The method according to the invention, by obtaining based on WiFi location technology during gathering POI data at bicycle
The track of mobile device, it is possible to be modified the trace information of bicycle, decreases multipath effect when obtaining positional information
Impact so that the positional information of the POI data of acquisition is the most accurate.
It is a kind of for assisting the structural representation of mobile device obtaining POI data that Fig. 2 illustrates according to the present invention.
Described mobile device includes for, during using bicycle to gather data, gathering based on described GPS device
Positional information be obtained from the device (hereinafter referred to as " the first acquisition device 1 ") of the first trace information of driving；For passing through
Described mobile device is positioned, obtains the device (hereinafter referred to as " the of the second trace information corresponding to described mobile device
Two acquisition device 2 ")；For based on described second trace information, described first trace information being modified, to be revised
After the device (hereinafter referred to as " trajectory modifying unit 3 ") of trace information of bicycle.
With reference to Fig. 2, during using bicycle to gather data, the first acquisition device 1 gathers based on described GPS device
Positional information be obtained from the first trace information of driving.
Specifically, described first acquisition device 1 constantly obtains corresponding to of GPS device collection based on predetermined time interval
The positional information of multiple location points, thus obtain described first trace information.
Preferably, described mobile device records described first trace information in log information.
The first example according to the present invention, is provided with GPS device dev_1, intelligence hands for gathering the bicycle of POI data
Machine mob_1 and two camera cam_1 and cam_2, staff uses the application program app_1 of smart mobile phone mob_1 to assist
Generate POI data, and, mobile device mob_1 is carried out with GPS device dev_1 and camera cam_1 and cam_2 by WiFi
Communication.
During staff uses bicycle to gather data, smart mobile phone mob_1 obtained every 1 second in step sl
Take GPS device dev_1 and gather positional information, thus obtain the positional information corresponding to multiple location points, and obtain accordingly
First trace information trace_1 of bicycle, to show in application program app_1.
It should be noted that the example above is only better described technical scheme, rather than the limit to the present invention
System, it should be appreciated by those skilled in the art that any positional information gathered based on described GPS device is obtained from the first of driving
The implementation of trace information, should be included in the scope of the present invention.
With continued reference to Fig. 2, described mobile device is positioned by the second acquisition device 2 by WiFi location technology, to obtain
Take the second trace information corresponding to described mobile device.
Specifically, described second acquisition device 2 farther includes, for the WiFi connection by opening mobile device, to obtain
The device of the signal correction information that one or more WAPs around mobile device are corresponding (not shown, hereinafter referred to as " nothing
Line acquisition device "), for by described signal correction information send to corresponding location server, to receive this location server
The device (not shown, hereinafter referred to as " dispensing device ") of the positional information of the mobile device of feedback and for based on mobile device
Positional information obtains the device (not shown, hereinafter referred to as " track acquisition device ") of described second trace information.
Wireless acquisition device connects by opening the WiFi of mobile device, obtains the one or more nothings around mobile device
The signal correction information that line access point is corresponding.
Wherein, described signal correction information includes identification information and the signal strength information of each WAP.Described
Identification information includes the various information that can be used for uniquely identifying WAP.Preferably, described identification information includes wireless connecing
The mac address information of access point.
Specifically, wireless acquisition device is based on the time interval identical with the time interval obtaining the first trace information employing
Repeatedly obtain the signal correction information of one or more WAPs (AP) around mobile device.
Then, described signal correction information is sent to corresponding location server by dispensing device, to receive this position clothes
The positional information of the mobile device of business device feedback.
Wherein, the identification information of one or more WAPs that described location server can send based on mobile device
And signal strength information, obtained the geographical position of each WAP by retrieval, and combine the strong and weak journey of each signal
Degree, calculates the geographical position of this mobile device and returns to this mobile device.
Then, track acquisition device positional information based on mobile device obtains described second trace information.
Preferably, mobile device is also based on the positional information obtained by WiFi location technology, it is judged that mobile device position
In any side of travel, and record mobile device along which skidding of road is sailed and travel direction.
Continue foregoing First example is illustrated, by opening in the wireless acquisition device in smart mobile phone mob_1
WiFi connects, the identification information of the one or more WAPs (AP) obtained around smart mobile phone every 1 second and signal
Strength information is as signal correction information, thus obtains the signal correction information corresponding to location point point_1 to point_100
info_1.Then, signal correction information info_1 is sent to location server by the dispensing device in smart mobile phone mob_1
Serv_1, to receive the smart mobile phone mob_1 of this location server serv_1 feedback corresponding to location point point_1 to point_
The positional information of 100, track acquisition device obtains corresponding second trace information trace_2 accordingly.
It should be noted that the example above is only better described technical scheme, rather than the limit to the present invention
System, be it should be appreciated by those skilled in the art that and any positioned described mobile device by WiFi location technology, right to obtain
The implementation of the second trace information of mobile device described in Ying Yu, should be included in the scope of the present invention.
With continued reference to Fig. 2, described first trace information, based on described second trace information, is carried out by trajectory modifying unit 3
Revise, to obtain the trace information of revised bicycle.
Wherein, described first trace information and the second trace information comprise obtain based on identical time interval, right
Should be in the positional information of multiple location points.
Specifically, the positional information of trajectory modifying unit 3 each location point based on described second trace information, delete the
One trace information differs the positional information of bigger one or more location points with the second track.
Preferably, differ with the second trace information during trajectory modifying unit 3 deletes the first trace information bigger one or
After the positional information of multiple location points, and it is replaced with in the second trace information the position corresponding to these one or more location points
Confidence ceases.
Continuing to illustrate foregoing First example, the trajectory modifying unit 3 in smart mobile phone mob_1 is based on the first track
Information trace_1 and the second trace information trace_2, determine in the first trace information trace_1 corresponding to location point
The positional information of location_3 to location_10 and the second trace information trace_2 differ by more than predetermined threshold, delete the
The positional information of location point location_3 to location_10 in one trace information trace_1, and it is replaced with the second rail
The positional information of location point location_3 to location_10 in mark information trace_2, thus obtain revised bicycle
Trace information.
It should be noted that the example above is only better described technical scheme, rather than the limit to the present invention
System, it should be appreciated by those skilled in the art that any based on described second trace information, is modified described first trace information
Implementation, should be included in the scope of the present invention.
Preferably, the dress of trace information for presenting revised bicycle is also included according to the mobile device of the present invention
Put (not shown, hereinafter referred to as " to present device ") and for the specific location point in the trace information of described bicycle is marked
The device (not shown, hereinafter referred to as " labelling apparatus ") of note.
Present device and present the trace information of revised bicycle.
Specific location point in the trace information of described bicycle is marked by labelling apparatus.
Such as, the first trace information and the second trace information are deviateed bigger location point and are marked by labelling apparatus, or
The location point at special building place is marked by person.
Preferably, described mobile device also includes for the transmission of the trace information of revised bicycle being set to other
Standby, to carry out the device (not shown, hereinafter referred to as " track dispensing device ") of follow-up data processing operation.
The trace information of revised bicycle is sent to other equipment by track dispensing device, to carry out follow-up data
Process operation.
Preferably, the trace information of revised bicycle is compared by mobile device with actual road network information, with
Further the partial traces information of bicycle is modified.Or, mobile device can be by sending to other equipment, for other
By equipment, the trace information of revised bicycle is compared with actual road network information, with rail to bicycle further
Mark information is modified.
The method according to the invention, by obtaining based on WiFi location technology during gathering POI data at bicycle
The track of mobile device, it is possible to be modified the trace information of bicycle, decreases multipath effect when obtaining positional information
Impact so that the positional information of the POI data of acquisition is the most accurate.
Fig. 3 illustrates the schematic diagram of a kind of acquisition system for obtaining POI data according to the present invention.Described collection
System comprises described mobile device, the described GPS device being equipped on bicycle and described image capture device.
Preferably, the GPS device being equipped on bicycle described in includes inertial navigation system (Inertial Navigation
System, INS) equipment.
Wherein, described image capture device can include camera, video camera, mobile phone etc. various can be used for obtain image information or
The equipment of image information.
Preferably, described acquisition system also includes the device of the shooting operation for controlling described image capture device.
Such as, mobile device and the moving camera for gathering image all open WiFi, are contained in the control of mobile device
Device can arrange the parameter of moving camera by WiFi, and based on set parameter, sends spy by WiFi to moving camera
Fixed operational order, to control moving camera shooting operation.
The most such as, specific operational order is sent to the control being equipped on bicycle eventually by mobile device by WiFi
End, this control terminal then passes through WiFi and this operational order is sent to moving camera, to control moving camera shooting operation.
Preferably, this image capture device may also include laser scanner, and this laser scanner is used for gathering limited road
Both sides three-dimensional spatial information, thus the image data collected is combined with three-dimensional data production Virtual Space data.
Preferably, described acquisition system also includes the device with voice broadcast and sound-recording function.
Wherein, the device with voice broadcast function can be used for reminding operating personnel's gps signal state the most permissible
Gathering, whether moving camera connects normally can shoot.
Wherein, the device with sound-recording function can be used for recording special POI point, such as bridge, has in skyscraper
Several POI.
Acquisition system according to the present invention is by obtaining based on WiFi location technology during gathering POI data at bicycle
Take the track of mobile device, it is possible to the trace information of bicycle is modified, multipath effect when decreasing acquisition positional information
Impact so that the positional information of the POI data of acquisition is the most accurate.Further, according to the controlled drawing of acquisition system of the present invention
As the shooting operation of collecting device, it is acquired image information for staff and provides convenience.Further, adopting according to the present invention
Collecting system has voice broadcast and sound-recording function, is acquired work for staff and provides convenience.
The software program of the present invention can perform to realize steps described above or function by processor.Similarly, originally
The software program (including the data structure being correlated with) of invention can be stored in computer readable recording medium storing program for performing, and such as, RAM deposits
Reservoir, magnetically or optically driver or floppy disc and similar devices.It addition, some steps of the present invention or function can employ hardware to reality
Existing, such as, perform the circuit of each function or step as coordinating with processor.
It addition, the part of the present invention can be applied to computer program, such as computer program instructions, when its quilt
When computer performs, by the operation of this computer, can call or provide the method according to the invention and/or technical scheme.
And call the programmed instruction of the method for the present invention, it is possibly stored in fixing or movably in record medium, and/or passes through
Data stream in broadcast or other signal bearing medias and be transmitted, and/or be stored in and run according to described programmed instruction
In the working storage of computer equipment.Here, include a device according to one embodiment of present invention, this device includes using
In the memorizer of storage computer program instructions with for performing the processor of programmed instruction, wherein, when this computer program refers to
When order is performed by this processor, trigger this plant running method based on aforementioned multiple embodiments according to the present invention and/or skill
Art scheme.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.This
Outward, it is clear that " including ", a word was not excluded for other unit or step, and odd number is not excluded for plural number.In system claims, statement is multiple
Unit or device can also be realized by software or hardware by a unit or device.The first, the second word such as grade is used for table
Show title, and be not offered as any specific order.
Claims (13)
1., for the method that auxiliary obtains POI data in a mobile device, wherein, described mobile device is equipped on for adopting
The bicycle of collection POI data, and, this bicycle is additionally provided with GPS device and image capture device, described method includes following
Step:
-during using bicycle to gather data, the positional information gathered based on described GPS device is obtained from driving
First trace information；
-by described mobile device is positioned, obtain the second trace information corresponding to described mobile device；
-based on described second trace information, described first trace information is modified, to obtain the rail of revised bicycle
Mark information.
Method the most according to claim 1, wherein, described by described mobile device is positioned, obtain corresponding to
The step of the second trace information of described mobile device comprises the following steps:
-by opening the WiFi connection of mobile device, obtain the one or more WAPs around mobile device corresponding
Signal correction information, wherein, described signal correction information includes identification information and the signal strength information of each WAP；
-described signal correction information is sent to corresponding location server, the movement fed back to receive this location server sets
Standby positional information；
-positional information based on mobile device obtains described second trace information.
Method the most according to claim 1 and 2, wherein, described first trace information and the second trace information comprise based on
Identical time interval and obtain, corresponding to the positional information of multiple location points, described based on described second trace information,
Described first trace information is modified, also includes following step obtaining the step of the trace information of revised bicycle
Rapid:
The positional information of-each location point based on described second trace information, delete in the first trace information with the second track
Differ the positional information of bigger one or more location points.
The most according to the method in any one of claims 1 to 3, wherein, described step is further comprising the steps of:
-present the trace information of revised bicycle；
-specific location point in the trace information of described bicycle is marked.
Method the most according to any one of claim 1 to 4, wherein, described method is further comprising the steps of:
-trace information of revised bicycle is sent to other equipment, to carry out follow-up data processing operation.
6., for assisting the mobile device obtaining POI data, wherein, described mobile device is equipped on for gathering POI number
According to bicycle, and, this bicycle also carries GPS device and image capture device, and described mobile device includes:
For during using bicycle to gather data, the positional information gathered based on described GPS device obtains voluntarily
The device of the first trace information of car；
For by described mobile device is positioned, obtain the dress of the second trace information corresponding to described mobile device
Put；
For based on described second trace information, described first trace information being modified, to obtain revised bicycle
The device of trace information.
Mobile device the most according to claim 6, wherein, described for by described mobile device is positioned, obtaining
The device taking the second trace information corresponding to described mobile device includes:
For the WiFi connection by opening mobile device, obtain the one or more WAPs around mobile device corresponding
The device of signal correction information, wherein, described signal correction information includes identification information and the signal of each WAP
Strength information；
Take to corresponding position for the identification information of the one or more WAP and signal strength information are sent
Business device, to receive the device of the positional information of the mobile device of this location server feedback；
The device of described second trace information is obtained for positional information based on mobile device.
Mobile device the most according to claim 6, wherein, described first trace information and the second trace information comprise based on
Identical time interval and obtain, corresponding to the positional information of multiple location points, described for based on described second track letter
Breath, is modified described first trace information, includes obtaining the device of the trace information of revised bicycle:
For the positional information of each location point based on described second trace information, delete in the first trace information with the second rail
The device of the positional information of one or more location points that mark difference is bigger.
9. according to the mobile device according to any one of claim 6 to 8, wherein, described step is further comprising the steps of:
-present the trace information of revised bicycle；
-specific location point in the trace information of described bicycle is marked.
10. according to the mobile device according to any one of claim 6 to 9, wherein, described mobile device also includes:
For the trace information of revised bicycle is sent to other equipment, to carry out the dress of follow-up data processing operation
Put.
11. 1 kinds of acquisition systems being used for obtaining POI data, described acquisition system comprises as any one of claim 5 to 10
Described mobile device, the described GPS device being equipped on bicycle and described image capture device.
12. acquisition systems according to claim 11, wherein, described acquisition system also includes adopting for controlling described image
The device of the shooting operation of collection equipment.
13. according to the acquisition system described in claim 11 or 12, wherein, described acquisition system also include having voice broadcast and
The device of sound-recording function.
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