CN104180814A - Navigation method in live-action function on mobile terminal, and electronic map client - Google Patents
Navigation method in live-action function on mobile terminal, and electronic map client Download PDFInfo
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- CN104180814A CN104180814A CN201310193998.7A CN201310193998A CN104180814A CN 104180814 A CN104180814 A CN 104180814A CN 201310193998 A CN201310193998 A CN 201310193998A CN 104180814 A CN104180814 A CN 104180814A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3635—Guidance using 3D or perspective road maps
- G01C21/3638—Guidance using 3D or perspective road maps including 3D objects and buildings
Abstract
The invention provides a navigation method in live-action function on a mobile terminal. The method comprises the steps of running an electronic map program on the mobile terminal; determining a target site address according to operations of a user on the electronic map program; acquiring a current geographical location of the mobile terminal; displaying a live-action shooting image on the mobile terminal; drawing a navigation route in a live-action function interface according to the current geographical location and the target site address; detecting a ground image area in the live-action shooting image; mapping the navigation route to a plurality of characteristic points of the ground image area; identifying movement of the characteristic points of the ground image area on the live-action shooting image; and keeping continuity of the navigation route along a connecting line of the characteristic points. Accordingly, the invention provides an electronic map client. The navigation method and the electronic map client can increase navigation efficiency of a live-action function.
Description
Technical field
The present invention relates to electronic chart field, relate in particular to the air navigation aid in outdoor scene function and electronic chart client on a kind of mobile terminal.
Background technology
Electronic chart be based on computer technology with digital form storage and the map consulted, its method that stores information is generally to use vector mode image storage, the enlarging or reducing or rotation of shown map scale and do not affect display effect.Compare traditional paper map, electronic chart has some outstanding characteristics: for example can carry out address fast query, can quick access show, can realize animation, map elements layering can be shown, utilizes virtual reality technology by map three-dimensional, mobilism, make user have sense on the spot in person, utilize data transmission technology electronic chart can be transferred to other places, can realize length on figure, the automatic measurement of angle, area etc. etc.The convenience of electronic chart increases its range of application in recent years greatly.
The electronic chart program of installing on more existing mobile terminals not only realizes the navigation on conventional two-dimensional map, also provide outdoor scene function further combined with the camera head of mobile terminal, facilitate user to contrast in conjunction with described outdoor scene function actual environment residing with it, to realize more effective navigation effect.In application scenes, because the geographical complex structure degree of the residing physical location of user is higher, for example, in groups of building, user is difficult to merely rely on existing outdoor scene function to find rapidly the most suitable road of advancing to move to objective, therefore in above-mentioned application scenarios, existing electronic chart has the defects such as navigation inefficiency, range of application be limited.
In other prior art, real scene navigation need to depend on the support of server, need to from server, transfer a large amount of outdoor scene data or three-dimensional modeling data, needs complicated image recognition and image processing.This has increased data traffic and the computing power requirement of mobile device.
Also have the direction of the real scene navigation of some prior aries to depart from the image in outdoor scene, similar skyborne directional arrow or the route of wafing, this instruction can not along with equipment towards or the variation of position change fast, or point to indefinitely, do not have good user to experience.
Summary of the invention
The object of the present invention is to provide the air navigation aid in outdoor scene function and electronic chart client on a kind of mobile terminal, can solve the defect existing in prior art.
For achieving the above object, on the one hand, the invention provides the air navigation aid in outdoor scene function on a kind of mobile terminal, the method comprises:
On mobile terminal, move electronic chart program, determine objective address according to user for the operation of this electronic chart program, and obtain the current geographic position of described mobile terminal;
On described mobile terminal, show shoot on location image;
In described outdoor scene function interface, draw navigation way according to described current geographic position and described objective address;
Wherein detect ground image region in described shoot on location image, navigation circuit is mapped in multiple unique points in ground image region;
The movement of the above unique point of identification ground image on real-time photographic images, keeps the continuity of navigation circuit along unique point corded variations.
On the other hand, the invention provides a kind of electronic chart client, this client comprises:
Outdoor scene functional module, for export the outdoor scene function interface of electronic chart program on mobile terminal, and operates and determines objective address according to user;
Locating module, for obtaining the current geographic position of described mobile terminal;
Navigation way module, for drawing navigation way according to described current geographic position and described objective address in described outdoor scene function interface; Wherein said navigation circuit module also comprises:
Ground image detection module, for detection of ground image region in described shoot on location image, is mapped to navigation circuit in multiple unique points in ground image region;
Unique point moves detection module, for identifying the movement of the above unique point of ground image on real-time photographic images, keeps the continuity of navigation circuit along unique point corded variations.
Air navigation aid on mobile terminal provided by the invention in outdoor scene function and electronic chart client, by draw navigation way in outdoor scene function interface, be convenient to user and determine rapidly the course of leading to destination, typically, even if user is in the buildings that geographical configuration is comparatively complicated, the object of reference that still can rely in this navigation way and outdoor scene function arrives destination rapidly, has promoted the navigation efficiency of outdoor scene function.
Brief description of the drawings
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is according to the process flow diagram of a kind of embodiment of the air navigation aid in outdoor scene function on mobile terminal of the present invention;
Fig. 2 is the concrete schematic diagram of implementing scene of of the embodiment shown in Fig. 1;
Fig. 3 is according to the structural representation of a kind of embodiment of electronic chart client of the present invention.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
First please refer to Fig. 1, Fig. 1 is that the method comprises according to the process flow diagram of a kind of embodiment of the air navigation aid in outdoor scene function on mobile terminal of the present invention:
Step S100, moves electronic chart program on mobile terminal, determine objective address according to user for the operation of this electronic chart program, and obtains the current geographic position of described mobile terminal;
Step S200 shows outdoor scene function interface on described mobile terminal;
Step S300 draws navigation way according to described current geographic position and described objective address in described outdoor scene function interface.
Particularly, described mobile terminal comprises the intelligent terminal such as smart mobile phone, panel computer, and the operating system of installing on this intelligent terminal includes but not limited to: the operating systems such as windows series OS, Linux, Mac OS, Symbian, Windows Mobile, iOS, Android, Maemo, WebOS, Palm OS and Blackberry OS.
In step S100, user can determine described objective address in the Search Results of this user's searching request from described electronic chart program response, described objective address is determined at the main interface (for example clicking the map element in the map graph shown in described main interface) that also can operate described electronic chart program.On the other hand, the method of obtaining the current geographic position of described mobile terminal in step S100 comprises: use one or more modes in WIFI location, GPS location, architecture to obtain described current geographic position, correspondingly, this mobile terminal has suitable locating module to realize one or more localization methods in above-mentioned WIFI location, GPS location, architecture.Typically, the locating device of described mobile terminal provides this positional information, described locating device comprise the built-in GPS locating module of mobile terminal, architecture module, WIFI locating module etc. common with the mutually integrated positioning equipment of mobile terminal device; In some scenes, described positioning equipment can not successfully obtain the positional information of mobile terminal, can generate described positional information for described mobile terminal input operation according to user alternatively, for example, use the user of this mobile terminal to input by hand the position at this actual place of mobile terminal.
In step S200, on described mobile terminal, show outdoor scene function interface, particularly, described outdoor scene function is live video stream that described mobile terminal the is shot with video-corder airmanship forming that combines with numerical map location technology, typically, this outdoor scene function interface illustrates described live video stream.Correspondingly, this mobile terminal has suitable display device and camera head, wherein said camera head is for example the digital camera head that is built in described mobile terminal, the live video stream that provides realtime graphic to shoot with video-corder is provided, and this video flowing is used for the demand of the outdoor scene function that meets described electronic chart program; Described display device is for example LCDs, and the outdoor scene function interface providing after described electronic chart program operation can be provided.
It should be noted that, in implementation process, step S100 and step S200 can carry out with random order serial, also can executed in parallel.
After step S100 and step S200 carry out, execution step S300 draws navigation way according to the state parameter of objective address described in described current geographic position and real time video data and mobile device in described outdoor scene function interface.Particularly, use computer graphics disposal technology, on the live video stream shown in described outdoor scene function interface, draw the pattern of navigation way, the pattern of this navigation way coincide with the ground region in described live video stream, for move to clearly the course of described objective address from described geographic position user shown in described live video stream.For example, need to the position transducer by mobile device detect mobile device towards, level inclination, vertical inclination angle, in conjunction with the real time video image photographing.Utilize the data combining image identification of the sensor to judge the image on ground in real-time capture video.The method of identification ground image can have multiple, for example, detect equipment inclination angle according to level and vertical sensor, can in the real-time photographic images of equipment, determine virtual and boundary line infinite point surface level.Image below this boundary line belongs to ground image region, then the region on ground in real time video image can be divided out based on color, contrast and boundary extraction algorithm.Navigation way is mapped in ground image, and in ground image, choose the some unique points overlapped with navigation way, the unique point of selected ground image need to its near image there is certain contrast, to identify the movement in realtime graphic in this unique point, and between unique point, there is certain distance.These unique points are got up and are real scene navigation wiring diagram of the present invention with particular color and overlapping the showing of video image of taking in real time with smooth continuous line and curve connection.When the position of user's hand-held portable devices, towards or inclination angle change time, captured video image also can change, the movement of unique point in ground image based on choosing in video image, in real time by the unique point line after movement, changes shown navigation circuit figure.Because unique point is several topographies of ground image, when ground image changes in real scene image, the physical location of unique point does not change, therefore when the route that keeps these unique points to couple together in real scene image, can realize real scene image and navigation circuit perfect identical, just look like on this navigation circuit, to draw on the ground equally.Do not need like this to carry out any real scene image or three-dimensional modeling image yet need to do not transferred alternately with server from server and just can realize off-line real scene navigation.And the required calculated amount of real scene navigation of carrying out of the present invention is less, the weak portable equipment of applicable computing power uses.
Preferably, can configure and determine the Computer Graphic Demonstration pattern of described navigation way according to user, for example, can configure according to user size and the color of virtual lines/navigational arrows of determining that the pattern of described navigation way comprises.
Alternatively, also comprise unsteady road sign figure in described outdoor scene function interface, this road sign figure is for identifying buildings and/or the trade company of described outdoor scene function interface.Typically, this road sign figure float shown on the live video stream that illustrates in outdoor scene function interface, and be placed in accordingly on the in esse geographical scenes such as the interior buildings occurring of this live video stream, geographical sign thing, trade company, to identify clearly the geographical scenes such as described buildings, geographical sign thing, trade company.
Further alternatively, in described outdoor scene function interface, also comprise mini map, in this map area illustrating, comprise the graphic element for marking out described navigation way minily, typically, this graphic element illustrates navigation way described in whole piece, its concrete Show Styles is designed in described map area taking described current location as starting point, and the straight line/broken line/curvilinear figure forming taking described destination address as terminal.
For the method flow shown in key diagram 1 better, please refer to Fig. 2, Fig. 2 is the concrete schematic diagram of implementing scene of of the embodiment shown in Fig. 1, as shown in Figure 2, picture 200 is real scenes that the user of mobile terminal 210 sees by human eye, correspondingly mobile terminal 210 is opened after the outdoor scene function interface 220 of the electronic chart program of operation on it, in conjunction with the camera function of mobile terminal 210, in this outdoor scene function interface 220, show the live video stream of synchronizeing with described real scene, on the one hand, obtained the current geographic position of this mobile terminal 210 by the positioning function of mobile terminal 210, on the other hand, user sends operational order for the electronic chart program of operation on mobile terminal 210 and determines destination address, electronic chart program according to described current geographic position and described objective address at the interior drafting navigation way of outdoor scene function interface 220, typically, this navigation way comprises navigational arrows 230 and route map 240 as shown in Figure 2, user can determine correct working direction easily in outdoor scene function interface according to this navigation way.Certainly user can also define according to the preference of oneself the Computer Graphic Demonstration pattern of this navigation way.For example change the color of navigational arrows 230 etc.In described outdoor scene function interface, draw navigational arrows 230 and route map 240 according to the state parameter of objective address described in described current geographic position and real time video data and mobile device.Particularly, use computer graphics disposal technology, on the live video stream shown in described outdoor scene function interface, draw the pattern of navigation way, the pattern of this navigation way coincide with the ground region at described live video stream, for move to clearly the course of described objective address from described geographic position user shown in described live video stream.
Outdoor scene function interface 220 comprises mini map 250, in map area shown in this mini map 250, comprise the graphic element for marking out described navigation way, the user of this electronic chart program easy to use contrasts at any time described map area and judges that whether working direction is correct in traveling process.Preferably, in this outdoor scene function interface 220, also comprise unsteady road sign figure, this road sign figure is for identifying buildings and/or the trade company of outdoor scene function interface 220, for example be designed to the road sign figure 260 of card-like, this road sign figure is used for identifying a trade company, certainly, according to the renewal of outdoor scene function interface 220, described road sign figure also upgrades thereupon.
Correspondingly, the present invention also provides a kind of electronic chart client, please refer to Fig. 3, Fig. 3 is according to the structural representation of a kind of embodiment of electronic chart client of the present invention, the term that this part occurs and part flow process can be with reference to the explanations of relevant portion in the embodiment of method in above, and the client 300 shown in Fig. 3 comprises:
Outdoor scene functional module 310, for export the outdoor scene function interface of electronic chart program on mobile terminal, and operates and determines objective address according to user;
Locating module 330, for obtaining the current geographic position of described mobile terminal;
Navigation way module 320, for drawing navigation way according to described current geographic position and described objective address in described outdoor scene function interface.
In the embodiment shown in Fig. 3, client 300 moves that the interface of described electronic chart program is exported on described mobile terminal on mobile terminal, and communicates by internet and server 400.Wherein said mobile terminal comprises the intelligent terminal such as smart mobile phone, panel computer, and the operating system of installing on this intelligent terminal includes but not limited to: the operating systems such as windows series OS, Linux, Mac OS, Symbian, Windows Mobile, iOS, Android, Maemo, WebOS, Palm OS and Blackberry OS.Server 400 is servers that high in the clouds map datum service is provided for client 300.In an embodiment, server 400 can be embodied in a physical server equipment, in further embodiments, server 400 may be embodied as server cluster or server matrix structure, and they multiple server apparatus collaborative works that comprise are to realize logical relation and the function of modules in server 400.In further embodiments, server 400 is embodied as a kind of computer program, any recording medium that the embodiment of above-mentioned computer program can be used for computer-readable information by use is realized, and described recording medium comprises magnetic medium, light medium or other applicable media.
Particularly, locating module 330 comprises in WIFI positioning unit 331, GPS positioning unit 332, architecture unit 333 one or more, wherein:
Described WIFI positioning unit 331, obtains described current geographic position for the mode of locating by WIFI;
Described GPS positioning unit 332, obtains described current geographic position for the method for locating by GPS;
Described architecture unit 333, for obtaining described current geographic position by the method for architecture.
Alternatively, client 300 also comprises mini ground module 340 and configuration module 350, wherein:
Mini ground module 340 is the mini map at described outdoor scene function interface for output display, in this map area illustrating, comprises the graphic element for marking out described navigation way minily;
Configuration module 350 is for configuring the Computer Graphic Demonstration pattern of determining described navigation way according to user.
Navigation circuit module 320 also comprises ground image detection module 321, for the position transducer by mobile device detect mobile device towards, level inclination, vertical inclination angle, in conjunction with the real time video image photographing, utilize the data combining image identification of the sensor to judge the image on ground in real-time capture video.The method of identification ground image can have multiple, for example, detect equipment inclination angle according to level and vertical sensor, can in the real-time photographic images of equipment, determine virtual and boundary line infinite point surface level.Image below this boundary line belongs to ground image region, then the region on ground in real time video image can be divided out based on color, contrast and boundary extraction algorithm.Navigation way is mapped in ground image, and in ground image, choose the some unique points overlapped with navigation way, the unique point of selected ground image need to its near image there is certain contrast, to identify the movement in realtime graphic in this unique point, and between unique point, there is certain distance.These unique points are got up and are real scene navigation wiring diagram of the present invention with particular color and overlapping the showing of video image of taking in real time with smooth continuous line and curve connection.Navigation circuit module 320 also comprises that unique point moves detection module 322, move for detection of unique point, when the position of user's hand-held portable devices, towards or inclination angle change time, captured video image also can change, the movement of unique point in ground image based on choosing in video image, by the unique point line after movement, change shown navigation circuit figure in real time.Because unique point is several topographies of ground image, when ground image changes in real scene image, the physical location of unique point does not change, therefore when the route that keeps these unique points to couple together in real scene image, can realize real scene image and navigation circuit perfect identical, just look like on this navigation circuit, to draw on the ground equally.Do not need like this to carry out any real scene image or three-dimensional modeling image yet need to do not transferred alternately with server from server and just can realize off-line real scene navigation.And the required calculated amount of real scene navigation of carrying out of the present invention is less, the weak portable equipment of applicable computing power uses.
In a preferred embodiment, client 300 is embodied as a kind of computer program, can be arranged on the intelligent terminal of having pre-installed the terminal operating systems such as Symbian, Windows Mobile, iOS, Android, Maemo, WebOS, Palm OS or Blackberry OS.Any recording medium that the embodiment of above-mentioned computer program can be used for computer-readable information by use is realized, and described recording medium comprises magnetic medium, light medium or other applicable media.
Air navigation aid on a kind of mobile terminal provided by the invention in outdoor scene function can be by programmable logic device (PLD) in conjunction with realizing, also may be embodied as computer software, can be for example a kind of computer program according to embodiments of the invention, move this program product computing machine is carried out for demonstrated method.Described computer program comprises computer-readable recording medium, comprises computer program logic or code section on this medium, for realizing each step of said method.Described computer-readable recording medium can be the removable medium (for example hot-plugging technology memory device) that is installed in the built-in medium in computing machine or can dismantles from basic computer.Described built-in medium includes but not limited to rewritable nonvolatile memory, for example RAM, ROM, flash memory and hard disk.Described removable medium includes but not limited to: optical storage media (for example CD-ROM and DVD), magneto-optic storage media (for example MO), magnetic recording medium (for example tape or portable hard drive), have the media (for example storage card) of built-in rewritable nonvolatile memory and have the media (for example ROM box) of built-in ROM.
It will be appreciated by those skilled in the art that any computer system with suitable programmer all can carry out all steps of the method for the present invention being included in program product.Although most embodiments of describing in this instructions all lay particular emphasis on software program, the alternate embodiment that realizes method provided by the invention as firmware and hardware is equally within the scope of protection of present invention.
Air navigation aid on mobile terminal provided by the invention in outdoor scene function and electronic chart client, by draw navigation way in outdoor scene function interface, be convenient to user and determine rapidly the course of leading to destination, typically, even if user is in the buildings that geographical configuration is comparatively complicated, the object of reference that still can rely in this navigation way and outdoor scene function arrives destination rapidly, has promoted the navigation efficiency of outdoor scene function.
Above disclosed is only preferred embodiments more of the present invention, the interest field that certainly can not limit the present invention with this, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (12)
1. the air navigation aid in outdoor scene function on mobile terminal, the method comprises:
On mobile terminal, move electronic chart program, determine objective address according to user for the operation of this electronic chart program, and obtain the current geographic position of described mobile terminal;
On described mobile terminal, show shoot on location image;
In described outdoor scene function interface, draw navigation way according to described current geographic position and described objective address, comprising:
Detect ground image region in described shoot on location image, navigation circuit is mapped in multiple unique points in ground image region;
The movement of the above unique point of identification ground image on real-time photographic images, keeps the continuity of navigation circuit along unique point corded variations.
2. method according to claim 1, wherein, also comprises in described outdoor scene function interface:
Mini map comprises the graphic element for marking out described navigation way in this map area illustrating minily.
3. method according to claim 1 and 2, wherein:
In described outdoor scene function interface, also comprise unsteady road sign figure, this road sign figure is for identifying buildings and/or the trade company of described outdoor scene function interface.
4. method according to claim 1, wherein, detects ground image region in described shoot on location image and comprises:
Position transducer by mobile terminal detect mobile device towards, level inclination, vertical inclination angle, in conjunction with the real time video image photographing, carry out image recognition and judge the image on ground in real-time capture video.
5. method according to claim 4, wherein, detects ground image region in described shoot on location image and also comprises:
In the real-time photographic images of equipment, determine boundary line virtual and infinite point surface level, the image below this boundary line belongs to ground image region;
The region on ground in real time video image can be divided out based on color, contrast and boundary extraction algorithm.
6. method according to claim 1, in described outdoor scene function interface, draw navigation way according to described current geographic position and described objective address and also comprise:
Navigation way is mapped in ground image, and in ground image, chooses the some unique points overlapped with navigation way, these unique points are got up with particular color and overlapping the showing of video image of taking in real time with smooth continuous line and curve connection.
7. an electronic chart client, this client comprises:
Outdoor scene functional module, for export the outdoor scene function interface of electronic chart program on mobile terminal, and operates and determines objective address according to user;
Locating module, for obtaining the current geographic position of described mobile terminal;
Navigation way module, for drawing navigation way according to described current geographic position and described objective address in described outdoor scene function interface; Wherein said navigation circuit module also comprises:
Ground image detection module, for detection of ground image region in described shoot on location image, is mapped to navigation circuit in multiple unique points in ground image region;
Unique point moves detection module, for identifying the movement of the above unique point of ground image on real-time photographic images, keeps the continuity of navigation circuit along unique point corded variations.
8. client according to claim 7, this client also comprises:
Mini ground module, the mini map for output display at described outdoor scene function interface comprises the graphic element for marking out described navigation way in this map area illustrating minily.
9. according to the client described in claim 7 or 8, wherein:
In described outdoor scene function interface, also comprise unsteady road sign figure, this road sign figure is for identifying buildings and/or the trade company of described outdoor scene function interface.
10. client according to claim 7, wherein said ground image detection module is used for:
Position transducer by mobile terminal detect mobile device towards, level inclination, vertical inclination angle, in conjunction with the real time video image photographing, carry out image recognition and judge the image on ground in real-time capture video.
11. clients according to claim 7, wherein, described ground image detection module is used for:
In the real-time photographic images of equipment, determine boundary line virtual and infinite point surface level, the image below this boundary line belongs to ground image region;
The region on ground in real time video image can be divided out based on color, contrast and boundary extraction algorithm.
12. clients according to claim 7, wherein said navigation way module is used for:
Navigation way is mapped in ground image, and in ground image, chooses the some unique points overlapped with navigation way, these unique points are got up with particular color and overlapping the showing of video image of taking in real time with smooth continuous line and curve connection.
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