CN101794316A - Real-scene status consulting system and coordinate offset method based on GPS location and direction identification - Google Patents
Real-scene status consulting system and coordinate offset method based on GPS location and direction identification Download PDFInfo
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Abstract
The invention relates to a real-scene consulting system and a coordinate offset method based on GPS location and direction identification. The system comprises a real-scene consulting electronic device based on technology of GPS location and direction identification, a communication network and an interest point database. The real-scene consulting electronic device comprises a camera, a GPS location module, a horizontal and vertical direction identification module, a display module, a data storage module, a coordinate offset converting module and a treatment control module, wherein the treatment control module is connected with the other modules. The coordinate offset converting module can offset the accurate coordinate into the offset coordinate and correct the offset coordinate into the accurate coordinate. The coordinate offset method of the invention has the advantages of improving the searching and inquiring accuracy and precision of the surrounding interest points, improving the calculation accuracy and precision of the distance between the present position and the interest point, and improving the accuracy and the precision of the real-scene function. The invention can offset the coordinate and correct the coordinate to ensure that the present position and the position of the interest point are precisely marked in the real-scene observation and the map display.
Description
Technical field
The present invention relates to navigation positioning system, be specifically related to a kind of based on GPS location and the live-action information system of direction identification technology and improving one's methods of coordinate offset.
Background technology
In live-action information system based on GPS location and direction identification technology, the demonstration of live-action information or two dimensional surface map show all need by traditional GPS technology, base station location technology and based on the GPS location technology of CDMA etc. to measuring in the geographic position of client, provide the live-action information service for judging GPS map reference and the actual gps coordinate of user position.
Live-action information system based on GPS location and direction identification technology, the descriptor about this outdoor scene (point of interest) that its outdoor scene of gathering (point of interest) and this system can be provided is carried out dynamic combination, shows the user during with true and virtual information of same.The descriptor of this outdoor scene (point of interest) can be held this system position (longitude, latitude and height), level and vertical direction visual angle information according to the user, auxiliary feature (shape, color, size etc.) with this outdoor scene (point of interest), in the database of this system, filter acquisition, and accurately be labeled in the position in the display screen of this outdoor scene (point of interest) place by retrieval.This system can mark a plurality of points of interest according to other filterconditions such as distance ranges.
But because on state's laws or the policy, there is the certain deviation amount in map, the coordinate of any point of interest only could mark on the map of skew after the skew exactly.Such skew is to realize by certain algorithm.So just can't on the map of skew, accurately locate with the precise coordinates that the GPS location is received, occur bigger deviation thus.In order on the map of skew, accurately to mark, the coordinate of all points of interest has all passed through skew, use GPS fixed point coordinate to inquire about peripheral point of interest and computed range just produces serious deviation, the coordinate of these skews simultaneously also can't be exactly in outdoor scene shows and the point of interest coupling of correspondence.
In order to overcome the shortcoming of prior art, be necessary live-action information system and coordinate offset method based on GPS location and direction identification technology are improved.
Summary of the invention
Task of the present invention provides a kind of based on GPS location and the live-action information system of direction identification technology and improving one's methods of coordinate offset, its GPS location and point of interest position deviation problem are corrected, with display effect and the degree of accuracy that significantly improves live-action information.
Technical solution of the present invention is as follows:
A kind of live-action information system based on GPS location and direction identification comprises: a live-action information electronic installation based on GPS location and direction identification technology, communication network and interest point data base;
Described live-action information electronic installation based on GPS location and direction identification technology comprises: camera, GPS locating module, horizontal direction identification module, vertical direction identification module, display module, data storage module, coordinate offset conversion module and first processing and control module, and first processing and control module connects above-mentioned each module;
Described camera obtains outside real scene image;
Described GPS locating module carries out communication with the satellite of Global Positioning System (GPS), receives the positioning signal of satellite, calculates self-position information, time and motion state, and locating information is provided in real time;
Described horizontal direction identification module judges whether the direction of camera is higher than horizontal direction;
Described vertical direction identification module is judged camera angle in vertical direction;
Described display module shows that real scene image and coupling are superimposed upon the interest point information on the real scene image;
Described data storage module, picture, feature, description and the coordinate information data of storage point of interest;
Described coordinate offset conversion module with the coordinate for skew of coordinate offset accurately, is corrected as coordinate accurately with the coordinate of skew;
Described first processing and control module, the data that compare the point of interest that prestores in camera geographic location and angle and the data storage module, also can compare the image of the point of interest that prestores in real scene image that camera gathers and the data storage module, the information of the point of interest that will be complementary shows by display module.
Described live-action information electronic installation based on GPS location and direction identification technology also comprises: communication module, and by communication network and interest point data base swap data.
The data of the point of interest that prestores in the first processing and control module comparison camera geographic location in the described live-action information electronic installation and the data storage module of angle and interest point data base, also can compare the image of the point of interest that prestores in the data storage module of the real scene image of camera and interest point data base, the information of the point of interest that will be complementary shows by display module.
Described live-action information electronic installation is at least a mobile phone, PC, palm PC, the hand-held information instrument of GPS.
Described interest point data base comprises communication module, second processing and control module and data storage module, and second processing and control module connects all the other two modules, and communication module connects communication network, and data storage module stores a large amount of interest point information data.
Use the current position coordinates after adding partially through coordinate offset conversion module, the peripheral interest point data that has coordinate offset is carried out search inquiry, and on the map of outdoor scene or skew, mark.
To on outdoor scene, mark through the peripheral interest point data that has coordinate offset after the correction of coordinate offset conversion module.
The distance of described peripheral point of interest and user's current location and relative position are to calculate by both coordinate or both precise coordinates of skew.
Described live-action information system based on GPS location and direction identification also comprises: coordinate offset conversion center; Described coordinate offset conversion center comprises communication module, the 3rd processing and control module and data storage module, and the 3rd processing and control module connects all the other two modules, and communication module connects communication network, and data storage module stores a large amount of coordinate offset amount data.
A kind of coordinate offset method of the live-action information system of discerning based on GPS location and direction may further comprise the steps:
A, utilize camera collection to obtain present image;
B, utilize the GPS locating module to gather the current GPS coordinate information;
L, utilize coordinate offset conversion module to add partially current position coordinates information;
M, judge whether to utilize built-in inclined to one side data or the algorithm of adding, if, execution in step N then; Otherwise execution in step O;
N, according to coordinate information, retrieve by algorithm or to the data storage module, obtain the coordinate data of skew; Execution in step Q;
O, coordinate information is sent to the coordinate offset database by communication module;
P, coordinate offset database are retrieved data by its data storage module, and by communication module the coordinate data that is offset are back to the live-action information electronic installation; Execution in step Q;
Q, the current position coordinates that obtains being offset;
C, utilize the horizontal direction identification module to gather current horizontal direction angle information;
D, utilize the vertical direction identification module to gather current vertical direction angle information;
E, above steps A, information that B, Q, C, D gathered are carried out finishing analysis,, optionally utilize the information of part or all of collection, create search condition according to the search criteria that are provided with;
F, judge whether to utilize built-in data storage module to obtain data, if, execution in step G then; Otherwise execution in step H;
G, according to search condition, the data storage module is retrieved filtration, obtain point of interest and data of description thereof; Execution in step R;
H, search condition information is sent to interest point data base by communication module;
I, interest point data base are retrieved filtration by its data storage module to data, and by communication module the point of interest data of description are back to the live-action information electronic installation; Execution in step R;
R, the point of interest data of description of receiving is analyzed, correction if desired, execution in step S utilizes coordinate offset conversion module that it is rectified a deviation; Do not use the interest point data of skew in outdoor scene, to mark simply if do not need to rectify a deviation, then execution in step J;
S, judge whether to utilize built-in correction data or algorithm, if, execution in step T then; Otherwise execution in step U;
T, according to coordinate information, retrieve by algorithm or to the data storage module, obtain correct coordinate data; Execution in step J;
U, coordinate information is sent to the coordinate offset database by communication module;
V, coordinate offset database are retrieved data by its data storage module, and by communication module correct coordinate data are back to the live-action information electronic installation; Execution in step J;
J, the point of interest data of description after will rectifying a deviation are analyzed, and calculate they in the horizontal and vertical directions relative angle and with the distance and the difference in height of current location;
K, in outdoor scene, with the fusion that superposes of the image information obtained in the steps A and interest point information, dynamically in display module, show the descriptor of each point of interest according to current location, level and vertical direction;
W, in map, mark if desired, the coordinate of interest points information of the skew of obtaining among current position coordinates information after the skew of obtaining among the step Q and the step R is marked on map.
The present invention " based on the live-action information system of GPS location and direction identification technology and method thereof (number of patent application: 200910197937.1) " the basis on, coordinate is added partially and correction improves, with guarantee user's current location and point of interest position in outdoor scene observation and map can accurately mark in showing.
Live-action information system is based on the live-action information system and the method thereof of GPS location and direction identification technology, the descriptor about this outdoor scene (point of interest) that native system can provide its outdoor scene of gathering (point of interest) and native system is carried out dynamic combination, shows the user during with true and virtual information of same.The descriptor of this outdoor scene (point of interest) can be held native system position (longitude, latitude and height), level and vertical direction visual angle information according to the user, auxiliary feature (shape, color, size etc.) with this outdoor scene (point of interest), in the database of this system, filter acquisition, and accurately be labeled in the position in the display screen of this outdoor scene (point of interest) place by retrieval.But because there is offset issue in the gps coordinate position of the common outdoor scene point that provides, therefore " based on the live-action information system of GPS location and direction identification technology and method thereof (number of patent application: 200910197937.1) " can have that the location is inaccurate, periphery search for inaccurate, apart from precision problems such as inaccurate, outdoor scene matched position deviations.
The present invention to " based on the live-action information system of GPS location and direction identification technology and method thereof (number of patent application: 200910197937.1) " in the live-action information electronic installation improve, increased coordinate offset conversion module.
Carry out peripheral outdoor scene when observing when the user holds native system, user's current position coordinates obtains by the GPS locating module.This coordinate at first adds inclined to one side calculating by coordinate offset conversion module, draws the current position coordinates of skew.
When the peripheral point of interest of search, if coordinate of interest points is offset in the peripheral interest point data base, then the current position coordinates with skew carries out perimeter query; If coordinate of interest points is unmigrated in the peripheral interest point data base, then directly carry out perimeter query with original current position coordinates.
When the user uses the outdoor scene function, two kinds of methods are arranged.Method one: the user's current position coordinates of use skew and the peripheral coordinate of interest points of skew mark out the positional information of these points of interest at display screen, the direction of point of interest and distance can show in outdoor scene exactly, but the physical location of the point of interest of mark point and camera collection has deviation.Method two: use accurate user's current position coordinates, so just need to use accurate coordinate of interest points.If coordinate of interest points is offset on every side, then the coordinate offset conversion module in the system will be rectified a deviation to the coordinate of these points of interest, mark out the positional information of these points of interest then at display screen; If coordinate of interest points is unmigrated, then directly mark out the positional information of these points of interest on every side at display screen.
When the user used map function, because map has skew, user's position adopted the current location after the skew to mark.If the coordinate of point of interest is unmigrated, then the coordinate offset conversion module in the system adds inclined to one side calculating to coordinate of interest points, then coordinate of interest points is labeled in the map that contains side-play amount.If the coordinate of point of interest is offset, then directly coordinate of interest points is labeled in the map that contains side-play amount.
The distance of periphery point of interest and user's current location and relative position obtain by both coordinate Calculation of skew; The distance of periphery point of interest and user's current location and relative position can also by both accurately or the coordinate Calculation after the correction obtain.
The present invention has been owing to adopted above technical scheme, make it " based on the live-action information system of GPS location and direction identification technology and method thereof (number of patent application: 200910197937.1) " the basis on, increased following advantage:
1, the accuracy and the precision of peripheral point of interest search inquiry have been improved.
2, improved accuracy and the precision of current location to the point of interest distance calculation.
3, the accuracy and the precision of outdoor scene function have been improved.
Description of drawings
Fig. 1 is the module connection layout of a kind of live-action information electronic installation based on GPS location and direction identification technology of the present invention.
Fig. 2 is the module connection layout of live-action information electronic installation of the present invention and interest point data base.
Fig. 3 is the module connection layout at live-action information electronic installation of the present invention and coordinate offset conversion center.
Fig. 4 and Fig. 5 are that the operation that the coordinate offset of a kind of live-action information system based on GPS location and direction identification technology of the present invention is improved one's methods moves control flow chart.
Drawing reference numeral:
1 is camera, and 2 is the GPS locating module, and 3 is the horizontal direction identification module, 4 is the vertical direction identification module, and 5 is display module, and 6 is data storage module, 7 is first processing and control module, and 8 is communication module, and 9 is communication module, 10 is second processing and control module, 11 is data storage module, and 12 is coordinate offset conversion module, and 14 is communication module, 15 is the 3rd processing and control module, and 16 is data storage module.
Embodiment
Specifically introduce a preferred embodiment of the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1 to Fig. 3, the live-action information system based on GPS location and direction identification technology after a kind of improvement the of the present invention mainly comprises: a live-action information electronic installation based on GPS location and direction identification technology, communication network and interest point data base; Mainly in original live-action information electronic installation, increased coordinate offset conversion module 12.
As shown in fig. 1, the live-action information electronic installation based on GPS location and direction identification technology after the described improvement mainly comprises: camera 1, GPS locating module 2, horizontal direction identification module 3, vertical direction identification module 4, display module 5, data storage module 6, coordinate offset conversion module 12 and first processing and control module, 7, the first processing and control module 7 connect all other modules.
In the live-action information electronic installation, camera 1 is meant the complete parts of shooting with video-corder that obtain outside real scene image of energy, makes a video recording first-class as digital camera, optics.
GPS locating module 2 can carry out communication with the satellite of Global Positioning System (GPS) (GPS), receives the positioning signal of satellite, calculates position (longitude, latitude and sea level elevation), time and the motion state (speed, course) of self, and locating information is provided in real time.
But the camera parts of horizontal direction identification module 3 real-time judge current devices in the horizontal direction towards, as compass, compass etc., judge whether the direction of camera is higher than horizontal direction.
But the camera parts angle in vertical direction of vertical direction identification module 4 real-time judge current devices is as level meter, gravity accelerator etc.
Display module 5 is meant the display unit with complete display image, figure and literal, as LCD liquid crystal display, TFT liquid crystal display etc.Display module 5 shows that real scene image and coupling are superimposed upon the interest point information on the real scene image.
Data storage module 6 can store picture, feature, description and the coordinate information data of point of interest.
Coordinate offset conversion module 12 can also be corrected as coordinate accurately with the coordinate of skew with the coordinate for skew of coordinate offset accurately.
First processing and control module 7 compares the data of the point of interest that prestores in camera geographic location and angle and the data storage module 6, also can compare the image of the point of interest that prestores in real scene image that camera 1 gathered and the data storage module 6, the information of the point of interest that will be complementary shows by display module 5.
The live-action information electronic installation can independently use.In actual use, the live-action information electronic installation can be wherein a kind of mobile phone, PC, palm PC, the hand-held information instrument of GPS, or the combination of above-mentioned multiple device.
As shown in Figure 2, the live-action information electronic installation based on GPS location and direction identification technology after the described improvement can also comprise communication module 8 on the basis of Fig. 1, and communication module 8 is by communication network and interest point data base swap data.When the data storage module in the live-action information electronic installation does not exist when the interest point information of needs data maybe can not be provided, this electronic installation can be undertaken obtaining the interest point information data alternately by communication module 8 and long-range interest point data base.
Interest point data base comprises communication module 9, second processing and control module 10 and data storage module 11, second processing and control module 10 connects all the other two modules, communication module 9 connects communication network, data storage module 11 stores a large amount of interest point information data (feature, description, coordinate etc.), its data storing capacity built-in data storage module 6 in the above-mentioned live-action information electronic installation.
As shown in Figure 3, the live-action information electronic installation based on GPS location and direction identification technology after the described improvement can also comprise communication module 8, and communication module 8 is by communication network and coordinate offset conversion center swap data.
Referring to Fig. 3, described coordinate offset conversion center comprises communication module 14, the 3rd processing and control module 15 and data storage module 16, the 3rd processing and control module 15 connects all the other two modules, communication module 14 connects communication network, data storage module 16 stores a large amount of coordinate offset amount data, its data storing capacity built-in data storage module 6 in the above-mentioned live-action information electronic installation.
The 3rd processing and control module 15 comprises central processing unit (CPU), has the function of operation being carried out computing, control and management.Operating process and information flow that each module was controlled and managed to the 3rd processing and control module 15 according to the service logic of prior setting carry out processing controls.The 3rd processing and control module 15 also has the monitoring function to operation.This module can by hardware cell, software or software and hardware combining mode realize control, with other module by interface logic link together.
The live-action information electronic installation can be undertaken mutual and obtains coordinate offset amount information by communication module 8 and outside coordinate offset conversion center.
Communication module 8,14 comprises antenna, communication control chip, and wherein antenna can be external.The interface of communication module can comprise various wired or wireless communication networks: (a) optical fiber special line, perhaps various broadband networks (as ADSL, LAN etc.); (b) various mobile communications networks, cordless communication networks such as TD-SCDMA, WCDMA, CDMA2000, GSM, CDMA, GPRS, PHS, TDMA or PDC; (c) serial ports, Modem, TCP/IP network, infrared, bluetooth, various wired or wireless networks such as 802.11.
As shown in Fig. 1, Fig. 2 and Fig. 3, coordinate offset conversion module 12 has the function for the coordinate of skew of coordinate offset accurately, and the coordinate after the skew can be presented on the map of skew exactly.When the user uses map function, user position and peripheral outdoor scene (point of interest) will show as the plane map mode at display screen.The position of native system that the user holds (longitude, latitude and height) information is to measure by the GPS locating module to obtain; Coordinate offset conversion module adds inclined to one side calculating to the position coordinate information, then the position accurately is labeled in the map that contains side-play amount.
As shown in Fig. 1, Fig. 2 and Fig. 3, the coordinate that coordinate offset conversion module 12 also has skew is corrected as the function of coordinate accurately, and the coordinate after the correction can be presented in the outdoor scene exactly.When the user used the outdoor scene function, the position of native system that the user holds (longitude, latitude and height) information was to measure by the GPS locating module to obtain; When outdoor scene (point of interest) on every side when there is deviation in coordinate, show accurately in outdoor scene that if desired coordinate offset conversion module can be rectified a deviation to the coordinate of these outdoor scenes, accurately marks out the positional information of these outdoor scenes (point of interest) then at display screen.
Coordinate is rectified a deviation and is added partially and realizes by following dual mode:
(1) uses coordinate correction built-in in the live-action information electronic installation and add inclined to one side function.
Correction and add inclined to one side algorithm and data can adopt software or hardware circuit chip form to be built in the live-action information electronic installation.No matter adopt software or hardware mode, rectify a deviation and add inclined to one side algorithm or data are kept in the live-action information electronic installation memory module, as ROM, RAM etc.
(2) coordinate of use far-end is rectified a deviation and is added inclined to one side function.
Correction and add inclined to one side algorithm and data can be deployed on the server of network far-end, coordinate correction or add inclined to one side module by the correction of network call far-end coordinate with add inclined to one side function, the coordinate data after obtaining correction or adding partially.Network includes but not limited to internet, LAN (Local Area Network), mobile wireless network, video network and radio network.
Referring to Fig. 4 and Fig. 5, method of the present invention be " based on the live-action information system of GPS location and direction identification technology and method thereof (number of patent application: 200910197937.1) " the basis on, when coordinate of interest points and map all exist under the situation of skew, need carry out following improvement:
1, utilizes coordinate offset conversion module to add partially to current position coordinates, see following steps L, M, N, O, P, Q;
2, utilize coordinate offset conversion module to rectify a deviation to coordinate of interest points, see following steps R, S, T, U, V);
3, mark on the map of skew with the current position coordinates of skew and the coordinate of interest points of skew, see following steps W.
Concrete operation control flow of the present invention and operation steps are as follows:
A, open the camera 1 of live-action information electronic installation, camera is aimed at the target outdoor scene (point of interest) of certain direction, gather and obtain present image.
B, utilize GPS locating module 2 to gather the current GPS coordinate informations, coordinate information comprises longitude, latitude and the sea level elevation of current location.
L, utilize coordinate offset conversion module 12 to add partially current position coordinates information.
M, judge whether to utilize built-in inclined to one side data or the algorithm of adding, if, execution in step N then; Otherwise execution in step O.
N, according to coordinate information, retrieve by algorithm or to data storage module 6, obtain the coordinate data of skew; Execution in step Q.
O, coordinate information is sent to the coordinate offset database by communication module 8.
P, coordinate offset database or coordinate offset conversion center are retrieved by 16 pairs of data of its data storage module, and by communication module 14 coordinate data that is offset are back to the live-action information electronic installation; Execution in step Q.
Q, the current position coordinates that obtains being offset.
C, utilize horizontal direction identification module 3 to gather current horizontal direction angle information.
D, utilize vertical direction identification module 4 to gather current vertical direction angle information.
E, with above steps A, image, gps coordinate that B, Q, C, D gathered, level and vertical direction angle information carry out finishing analysis, according to the search criteria (as: distance range) of acquiescence or setting, optionally utilize the information of part or all of above-mentioned collection, create search condition.For example: inquiry is the center with the current location, with one kilometer be points of interest all in the radius, perhaps inquire about all points of interest in present level or the vertical angle of view scope.
F, judge whether to utilize built-in data storage module to obtain data, if, execution in step G then; Otherwise execution in step H.
G, according to search condition, data storage module 6 is retrieved filtration, obtain point of interest and data of description thereof; Execution in step R.
H, search condition information is sent to interest point data base by communication module 8.
I, interest point data base are retrieved filtration according to the search condition that receives to its data storage module 11, obtain point of interest and data of description thereof, and by communication module 9 it are back to the live-action information electronic installation; Execution in step R.
R, the point of interest data of description of receiving is analyzed, correction if desired, execution in step S utilizes coordinate offset conversion module 12 that it is rectified a deviation; Do not use the interest point data of skew in outdoor scene, to mark simply if do not need to rectify a deviation, then execution in step J.
S, judge whether to utilize built-in correction data or algorithm, if, execution in step T then; Otherwise execution in step U.
T, according to coordinate information, retrieve by algorithm or to data storage module 6, obtain correct coordinate data; Execution in step J.
U, coordinate information is sent to the coordinate offset database by communication module 8.
V, coordinate offset database or coordinate offset conversion center are retrieved by 16 pairs of data of its data storage module, and by communication module 14 correct coordinate data are back to the live-action information electronic installation; Execution in step J.
J, point of interest data of description and the current location received are analyzed, and calculate they in the horizontal and vertical directions relative angle and with the distance and the difference in height of current location.In computation process, if when using the coordinate of interest points of skew, essential coupling is with the current position coordinates of skew; If when using accurate or unmigrated coordinate of interest points, then must coupling with accurate or unmigrated current position coordinates.
K, in outdoor scene, with the fusion that superposes of the image information obtained in the steps A and interest point information, dynamically in display module 5, show the descriptor of each point of interest according to current location, level and vertical direction.
W, mark in the map in skew if desired, the coordinate of interest points information of the skew of obtaining among current position coordinates information after the skew of obtaining among the step Q and the step R is marked on map.
In sum, the present invention " based on the live-action information system of GPS location and direction identification technology and method thereof (number of patent application: 200910197937.1) " the basis on, coordinate is added partially and correction improves, with guarantee user's current location and point of interest position in outdoor scene observation and map can accurately mark in showing.
Live-action information system and coordinate offset method based on GPS location and direction identification of the present invention has following advantage:
1, the accuracy and the precision of peripheral point of interest search inquiry have been improved.
2, improved accuracy and the precision of current location to the point of interest distance calculation.
3, the accuracy and the precision of outdoor scene function have been improved.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention conversion, the modification of the foregoing description.
Claims (10)
1. the live-action information system based on GPS location and direction identification is characterized in that, comprising: a live-action information electronic installation based on GPS location and direction identification technology, communication network and interest point data base;
Described live-action information electronic installation based on GPS location and direction identification technology comprises: camera, GPS locating module, horizontal direction identification module, vertical direction identification module, display module, data storage module, coordinate offset conversion module and first processing and control module, and first processing and control module connects above-mentioned each module;
Described camera obtains outside real scene image;
Described GPS locating module carries out communication with the satellite of Global Positioning System (GPS), receives the positioning signal of satellite, calculates self-position information, time and motion state, and locating information is provided in real time;
Described horizontal direction identification module judges whether the direction of camera is higher than horizontal direction;
Described vertical direction identification module is judged camera angle in vertical direction;
Described display module shows that real scene image and coupling are superimposed upon the interest point information on the real scene image;
Described data storage module, picture, feature, description and the coordinate information data of storage point of interest;
Described coordinate offset conversion module with the coordinate for skew of coordinate offset accurately, is corrected as coordinate accurately with the coordinate of skew;
Described first processing and control module, the data that compare the point of interest that prestores in camera geographic location and angle and the data storage module, also can compare the image of the point of interest that prestores in real scene image that camera gathers and the data storage module, the information of the point of interest that will be complementary shows by display module.
2. the live-action information system based on GPS location and direction identification according to claim 1, it is characterized in that, described live-action information electronic installation based on GPS location and direction identification technology also comprises: communication module, and by communication network and interest point data base swap data.
3. the live-action information system based on GPS location and direction identification according to claim 2, it is characterized in that, the data of the point of interest that prestores in the first processing and control module comparison camera geographic location in the described live-action information electronic installation and the data storage module of angle and interest point data base, also can compare the image of the point of interest that prestores in the data storage module of the real scene image of camera and interest point data base, the information of the point of interest that will be complementary shows by display module.
4. the live-action information system based on GPS location and direction identification according to claim 1 is characterized in that, described live-action information electronic installation is at least a mobile phone, PC, palm PC, the hand-held information instrument of GPS.
5. the live-action information system based on GPS location and direction identification according to claim 1, it is characterized in that, described interest point data base comprises communication module, second processing and control module and data storage module, second processing and control module connects all the other two modules, communication module connects communication network, and data storage module stores a large amount of interest point information data.
6. the live-action information system based on GPS location and direction identification according to claim 1, it is characterized in that, use the current position coordinates after adding partially through coordinate offset conversion module, the peripheral interest point data that has coordinate offset is carried out search inquiry, and on the map of outdoor scene or skew, mark.
7. the live-action information system based on GPS location and direction identification according to claim 1 is characterized in that, will mark on outdoor scene through the peripheral interest point data that has coordinate offset after the correction of coordinate offset conversion module.
8. according to claim 6 or 7 described live-action information systems based on GPS location and direction identification, it is characterized in that the distance of described peripheral point of interest and user's current location and relative position are to calculate by both coordinate or both precise coordinates of skew.
9. the live-action information system based on GPS location and direction identification according to claim 1 is characterized in that, also comprises: coordinate offset conversion center;
Described coordinate offset conversion center comprises communication module, the 3rd processing and control module and data storage module, and the 3rd processing and control module connects all the other two modules, and communication module connects communication network, and data storage module stores a large amount of coordinate offset amount data.
10. the coordinate offset method based on the live-action information system of GPS location and direction identification is characterized in that, may further comprise the steps:
A, utilize camera collection to obtain present image;
B, utilize the GPS locating module to gather the current GPS coordinate information;
L, utilize coordinate offset conversion module to add partially current position coordinates information;
M, judge whether to utilize built-in inclined to one side data or the algorithm of adding, if, execution in step N then; Otherwise execution in step O;
N, according to coordinate information, retrieve by algorithm or to the data storage module, obtain the coordinate data of skew; Execution in step Q;
O, coordinate information is sent to the coordinate offset database by communication module;
P, coordinate offset database are retrieved data by its data storage module, and by communication module the coordinate data that is offset are back to the live-action information electronic installation; Execution in step Q;
Q, the current position coordinates that obtains being offset;
C, utilize the horizontal direction identification module to gather current horizontal direction angle information;
D, utilize the vertical direction identification module to gather current vertical direction angle information;
E, above steps A, information that B, Q, C, D gathered are carried out finishing analysis,, optionally utilize the information of part or all of collection, create search condition according to the search criteria that are provided with;
F, judge whether to utilize built-in data storage module to obtain data, if, execution in step G then; Otherwise execution in step H;
G, according to search condition, the data storage module is retrieved filtration, obtain point of interest and data of description thereof; Execution in step R;
H, search condition information is sent to interest point data base by communication module;
I, interest point data base are retrieved filtration by its data storage module to data, and by communication module the point of interest data of description are back to the live-action information electronic installation; Execution in step R;
R, the point of interest data of description of receiving is analyzed, correction if desired, execution in step S utilizes coordinate offset conversion module that it is rectified a deviation; Do not use the interest point data of skew in outdoor scene, to mark simply if do not need to rectify a deviation, then execution in step J;
S, judge whether to utilize built-in correction data or algorithm, if, execution in step T then; Otherwise execution in step U;
T, according to coordinate information, retrieve by algorithm or to the data storage module, obtain correct coordinate data; Execution in step J;
U, coordinate information is sent to the coordinate offset database by communication module;
V, coordinate offset database are retrieved data by its data storage module, and by communication module correct coordinate data are back to the live-action information electronic installation; Execution in step J;
J, the point of interest data of description after will rectifying a deviation are analyzed, and calculate they in the horizontal and vertical directions relative angle and with the distance and the difference in height of current location;
K, in outdoor scene, with the fusion that superposes of the image information obtained in the steps A and interest point information, dynamically in display module, show the descriptor of each point of interest according to current location, level and vertical direction;
W, in map, mark if desired, the coordinate of interest points information of the skew of obtaining among current position coordinates information after the skew of obtaining among the step Q and the step R is marked on map.
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