CN103335657A - Method and system for strengthening navigation performance based on image capture and recognition technology - Google Patents
Method and system for strengthening navigation performance based on image capture and recognition technology Download PDFInfo
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Abstract
The invention discloses a method and a system for strengthening navigation performance based on an image capture and recognition technology. The method comprises following steps: A. inputting destination information, and obtaining user location information and route information; B. realtime capturing images in real scenes through image capture equipment and displaying the images; C. identifying the characteristics of the obtained images, obtaining parameters of image description, and checking and matching in a preset database by utilizing the parameters; D. after successful matching, obtaining the coordinate information of the captured images in the virtual map stored in the database, obtaining the specific route between the user and the capture images according to the coordinate information of the capture images and the user location information, converting the specific route into guiding information and displaying in the real scene image; E. repeating B. C. D. steps in circulation, until the navigation is finished. The invention changes conventional navigation mode of traditional navigation systems and users can precisely choose the direction and route according to the navigation guiding identification.
Description
Technical field
The present invention relates to the electronic navigation technology field, in particular catch method and system with the recognition technology example of enhanced navigational functionality based on image.
Background technology
At present, electronic navigation system has been widely used on the various device of people's lives, comprise the in-vehicle navigation apparatus for auto navigation, the portable sets such as user mobile phone that are used for the personal daily locating query, but electronic navigation system of the prior art has the following disadvantages in actual use: first, electronic navigation system on the market is mainly based on the ground diagram form at present, behind user's search purposes ground, electronic navigation system can show route at map, this electronic navigation system is relatively poor or seldom use the user of map for sense of direction, be difficult to make correct direction by the demonstration of ground map course and select, use inconvenient.The second, because the bearing accuracy problem, the position misjudgement often appears in electronic navigation system of the prior art, perhaps locatees problems such as unintelligible, causes the user to occur in actual use getting lost easily, situation such as perhaps take a wrong way.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide and a kind ofly catch method and system with the recognition technology example of enhanced navigational functionality based on image, be intended to solve electronic navigation system of the prior art owing to showing route with the ground diagram form, cause technical matterss such as the lost situation of the inconvenient and easy appearance of actual use.
Technical scheme of the present invention is as follows: a kind ofly catch method with the recognition technology example of enhanced navigational functionality based on image, wherein, may further comprise the steps:
A. import destination information, and obtain customer position information, obtain route information;
B. obtain image in the reality scene immediately by image-capturing apparatus, and show the image that gets access to;
C. the characteristic of the image that gets access to is identified, obtained describing the parameter of picture characteristics, and utilize this parameter in preset database, to carry out match query;
D. after the match is successful, coordinate information on the virtual map that the image that obtains getting access to is stored in database, according to this image coordinate information and customer position information obtain the user and the image that gets access between concrete route, be presented in the reality scene image after should concrete route being made into navigation directions information;
E. step B, C, D are carried out in circulation, finish up to navigation;
Store virtual map information in the described preset database and describe the characteristic parameter group information of real world images, the corresponding setting of the coordinate information of reality scene on virtual map that the characteristic parameter group information of described real world images and this real world images reflect; Described real world images comprises the image of road, building or roadside sign;
Among the described step C, the parameter of the image that utilization gets access to is carried out match query in preset database, specifically comprise: utilize the parameter of the image get access to and the characteristic parameter group in the database to mate, described characteristic parameter group be with A in the coordinate characteristic of correspondence parameter group of route process on virtual map of obtaining.
Describedly catch method with the recognition technology example of enhanced navigational functionality based on image, wherein, the acquisition methods of described characteristic parameter group is as follows:
S1. image-capturing apparatus obtains road, building or the roadside identification image of reality, analyzes color, lines, size and dimension in the real world images, obtains describing color, the lines of real world images, the parameter of size and dimension;
S2. the parameter combinations that obtains among the S1 is obtained describing the characteristic parameter group of this real world images, the characteristic parameter group is stored in the database.
Describedly catch method with the recognition technology example of enhanced navigational functionality based on image, wherein, the method to set up of described database is as follows: virtual map information and characteristic parameter group information are stored in the database, the corresponding setting of the coordinate information of reality scene on virtual map of the real world images reflection that this characteristic parameter group and this characteristic parameter group are described simultaneously, a described characteristic parameter group correspondence arranges the coordinate information of one or more virtual maps.
Describedly catch method with the recognition technology example of enhanced navigational functionality based on image, wherein, described navigation directions information is included in the image of reality scene and shows virtual arrow prompting direction, perhaps shows virtual route in the image of reality scene.
Describedly catch method with the recognition technology example of enhanced navigational functionality based on image, wherein, described graphics feature comprises color, lines, the size and dimension of image.
Describedly catch method with the recognition technology example of enhanced navigational functionality based on image, wherein, in navigation procedure, the route that obtains in the described steps A is made up of the concrete route that obtains among at least one section step D.
Describedly catch system with the recognition technology example of enhanced navigational functionality based on image, wherein, comprise with lower module:
Image-capturing apparatus: obtain image in the reality scene immediately;
Picture recognition module: the characteristic to the image that gets access to is identified, and obtains describing the parameter of picture characteristics;
Locating module: obtain user's current location information;
Load module: input destination information;
Database: the characteristic parameter group information that stores virtual map information and the description road that has defined, building or roadside identification image;
Data processing module: the parameter of utilizing picture recognition module to obtain is carried out match query in preset database, after the match is successful, the coordinate information of the image that obtains getting access to, according to this image coordinate information and customer position information obtain the user and the image that gets access between concrete route, be presented in the reality scene image after should concrete route being made into navigation directions information;
Display module: show reality scene image and navigation directions information;
Described image-capturing apparatus communicates to connect with picture recognition module and display module respectively, and described picture recognition module, locating module, load module, database and display module communicate to connect with data processing module respectively.
Describedly catch system with the recognition technology example of enhanced navigational functionality based on image, wherein, described database connects network.
Describedly catch system with the recognition technology example of enhanced navigational functionality based on image, wherein, described image-capturing apparatus continues to catch image, finishes up to navigation.
Describedly catch system with the recognition technology example of enhanced navigational functionality based on image, wherein, described picture recognition module continues image is identified, and finishes up to navigation.
Beneficial effect of the present invention: the present invention obtains image in the reality by calling image capture device, then characteristics such as the color in the image, shape and lines are identified, mated, cooperate the GPS positioning system to draw concrete route information at virtual map again, at last concrete route information being made into navigation directions is identified on the screen and shows, the stack of navigation directions sign is presented at image capture device obtains on the real image, make things convenient for the user to point out accurate selection schemer according to direction, realize the effect of example of enhanced navigational functionality; The present invention has changed traditional navigational system and has shown route at map, need the user to judge the navigate mode of direction, selection schemer, simple and direct is added the navigation directions sign in true picture, the user identifies choice direction route accurately according to navigation directions, practicality of the present invention, accuracy height, require lowly to the user is rigid, be suitable for the user of all ages and classes section.
Description of drawings
Fig. 1 is the method flow diagram among the present invention.
Fig. 2 is the concrete steps process flow diagram that obtains characteristic parameter group information among the present invention.
Fig. 3 is the module map of the system among the present invention.
Fig. 4 is the illustraton of model of realizing the crossing.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.
The invention discloses and a kind ofly catch method with the recognition technology example of enhanced navigational functionality based on image, its method flow may further comprise the steps as shown in Figure 1:
A. import destination information, and obtain customer position information, obtain route information;
B. obtain image in the reality scene immediately by image-capturing apparatus, and show the image that gets access to;
C. the characteristic of the image that gets access to is identified, obtained describing the parameter of picture characteristics, and utilize this parameter in preset database, to carry out match query;
D. after the match is successful, coordinate information on the virtual map that the image that obtains getting access to is stored in database, according to this image coordinate information and customer position information obtain the user and the image that gets access between concrete route, be presented in the reality scene image after should concrete route being made into navigation directions information;
E. step B, C, D are carried out in circulation, finish up to navigation;
Store virtual map information in the described preset database and describe the characteristic parameter group information of real world images, the corresponding setting of the coordinate information of reality scene on virtual map that the characteristic parameter group information of described real world images and this real world images reflect; Described real world images comprises the image of road, building or roadside sign;
Among the described step C, the parameter of the image that utilization gets access to is carried out match query in preset database, specifically comprise: utilize the parameter of the image get access to and the characteristic parameter group in the database to mate, described characteristic parameter group be with A in the coordinate characteristic of correspondence parameter group of route process on virtual map of obtaining.
The present invention is by matching characteristic parameter group in database, obtain the coordinate information of reality scene on virtual map of real world images reflection, and the more specific location information by this coordinate information and user draws the concrete path between this reality scene and the customer location, reached the technique effect that starting point is divided into the little route of multistage to the route between the destination, effectively improve the accuracy of this method, for the user provides a navigate mode accurately; The navigation information of each end small path shows by the form of navigation directions information simultaneously, makes the user obtain travel direction more intuitively.
Concrete, described navigation directions information is included in the image of reality scene and shows virtual arrow prompting direction, and for example at place, right-hand rotation crossing, the image that obtains in seizure shows a virtual right-hand rotation arrow, turns right with the prompting user; Perhaps show virtual route in the image of reality scene, for example the road in the image of reality scene shows a virtual path, and the user can arrive at the destination according to this virtual route.In navigation procedure, the route that obtains in the described steps A is made up of the concrete route that obtains among at least one section step D.
Wherein, as shown in Figure 2, the concrete steps of obtaining characteristic parameter group information comprise:
S1. image-capturing apparatus obtains road, building or the roadside identification image of reality, analyzes color, lines, size and dimension in the real world images, obtains describing color, the lines of real world images, the parameter of size and dimension;
S2. the parameter combinations that obtains among the S1 is obtained describing the characteristic parameter group of this real world images, the characteristic parameter group is stored in the database.
The invention also discloses the system that realizes the method for the invention, as shown in Figure 3, comprise with lower module:
Image-capturing apparatus: obtain image in the reality scene immediately, can be equipment such as camera;
Picture recognition module: the characteristic to the image that gets access to is identified, and obtains describing the parameter of picture characteristics;
Locating module: obtain user's current location information, can be GPS module commonly used;
Load module: the input destination information can be voice input module, perhaps touch screen literal (pattern) load module;
Database: the characteristic parameter group information that stores virtual map information and the description road that has defined, building or roadside identification image;
Data processing module: the parameter of utilizing picture recognition module to obtain is carried out match query in preset database, after the match is successful, the coordinate information of the image that obtains getting access to, according to this image coordinate information and customer position information obtain the user and the image that gets access between concrete route, be presented in the reality scene image after should concrete route being made into navigation directions information;
Display module: show reality scene image and navigation directions information, be specifically as follows the display screen of each class of electronic devices etc.;
Described image-capturing apparatus communicates to connect with picture recognition module and display module respectively, and the true picture that seizure is obtained is transferred to picture recognition module identification, is transferred to instant playback on the display module simultaneously.
Described picture recognition module, locating module, load module, database and display module communicate to connect with data processing module respectively.
The course of work of native system is as follows: at first the user imports destination information by load module, locating module obtains customer position information simultaneously, obtain routing information (as shown in Figure 4 by destination information and customer position information, from a point to the b point, through crossing c), utilize image capture module that the image of reality scene is caught (such as the image of crossing c, in database, defined the characteristic parameter group of describing this image in advance, and the coordinate information on the virtual map of crossing c in database, the corresponding setting with the characteristic parameter group of this coordinate information), image is transferred to picture recognition module with the form of data, by picture recognition module this image is analyzed and (specifically the characteristic of figure to be identified, the color that comprises recognition image, lines, size and dimension etc.), draw the parameter information of describing this image, on display module, show this image simultaneously synchronously.The parameter information that data processing module utilizes picture recognition module to obtain mates in database, obtain the coordinate information of crossing c, data processing module obtains concrete route information between user and the crossing c according to the coordinate information of crossing c and user position information, this concrete route information is handled, be shown on the real world images that display module showing with the synchronous stack of the form of navigation directions information, when user's transmission display screen is watched real picture, show navigation directions information on the reality picture, guide the user to select correct direction, arrive the destination.In navigation procedure, what image-capturing apparatus continued catches real figure, finishes up to navigation.
The present invention route from a to b be divided into a to the route 1 of c and c to the route 2 of b, effectively improve the accuracy of navigation, for the user provides a navigate mode accurately; The a form demonstration of passing through navigation directions information to the navigation information of the route 2 of b to route 1 and the c of c simultaneously, in the process of from a to c, travelling, show a virtual route at a to the road of c on the display screen, make the user obtain travel direction more intuitively, the user only need just can arrive the c point according to virtual route, behind the arrival c point, the image of b is pounced on caught again, carry out step B, C, D, obtain c to the navigation information of the route of b.
Concrete, the setting of database for convenience, a described characteristic parameter group correspondence arranges the coordinate information of one or more virtual maps.
Concrete, database can connect network, obtains the data that need by network, and perhaps directly in the storer of data storage, and the regular data in the storer are upgraded.
Concrete, data processing module is handled the route information process, be shown on the real world images that display module showing with the synchronous stack of the form of navigation directions information, its display format is included in and shows an icon (link) on the real world images, and the user can put out this icon and check route information; Perhaps, the form with direction guiding arrow shows that at the arrow of a direction indication of real world images demonstration, the user can move ahead according to this arrow indicated direction; Perhaps the form with virtual circuit shows, shows a virtual circuit in each real image frame, and the user travels according to this virtual circuit can arrive the destination.
Concrete, load module can be voice input module, and the user is by the title of phonetic entry destination, and data processing module navigates after receiving destination information; Perhaps, load module is literal (picture) load module of touch screen type, and the user imports the title of destination, and data processing module navigates after receiving destination information.In actual the use, system shows that the screen of real world images is provided with input frame, and the user imports destination information in input frame, and the screening conditions option of route also can be set on the screen simultaneously, and data processing module is according to the suitable route of these conditional filterings.
In the practical application, this method can be by arranging a program, be installed in (for example mobile phone, panel computer, camera etc. have the equipment of camera function and Presentation Function) on the portable set, realize data transmission between each module by program, realize the function of enhanced navigation.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. catch method with the recognition technology example of enhanced navigational functionality based on image for one kind, it is characterized in that, may further comprise the steps:
A. import destination information, and obtain customer position information, obtain route information;
B. obtain image in the reality scene immediately by image-capturing apparatus, and show the image that gets access to;
C. the characteristic of the image that gets access to is identified, obtained describing the parameter of picture characteristics, and utilize this parameter in preset database, to carry out match query;
D. after the match is successful, coordinate information on the virtual map that the image that obtains getting access to is stored in database, according to this image coordinate information and customer position information obtain the user and the image that gets access between concrete route, be presented in the reality scene image after should concrete route being made into navigation directions information;
E. step B, C, D are carried out in circulation, finish up to navigation;
Store virtual map information in the described preset database and describe the characteristic parameter group information of real world images, the corresponding setting of the coordinate information of reality scene on virtual map that the characteristic parameter group information of described real world images and this real world images reflect; Described real world images comprises the image of road, building or roadside sign;
Among the described step C, the parameter of the image that utilization gets access to is carried out match query in preset database, specifically comprise: utilize the parameter of the image get access to and the characteristic parameter group in the database to mate, described characteristic parameter group be with A in the coordinate characteristic of correspondence parameter group of route process on virtual map of obtaining.
2. according to claim 1ly catch method with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that the acquisition methods of described characteristic parameter group is as follows:
S1. image-capturing apparatus obtains road, building or the roadside identification image of reality, analyzes color, lines, size and dimension in the real world images, obtains describing color, the lines of real world images, the parameter of size and dimension;
S2. the parameter combinations that obtains among the S1 is obtained describing the characteristic parameter group of this real world images, the characteristic parameter group is stored in the database.
3. according to claim 2ly catch method with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that, the method to set up of described database is as follows: virtual map information and characteristic parameter group information are stored in the database, the corresponding setting of the coordinate information of reality scene on virtual map of the real world images reflection that this characteristic parameter group and this characteristic parameter group are described simultaneously, a described characteristic parameter group correspondence arranges the coordinate information of one or more virtual maps.
4. according to claim 2ly catch method with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that, described navigation directions information is included in and shows virtual arrow prompting direction in the image of reality scene, perhaps shows virtual route in the image of reality scene.
5. according to claim 2ly catch method with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that described graphics feature comprises color, lines, the size and dimension of image.
6. according to claim 2ly catch method with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that in navigation procedure, the route that obtains in the described steps A is made up of the concrete route that obtains among at least one section step D.
7. realize that any one of claim 1-6 describedly catches system with the recognition technology example of enhanced navigational functionality based on image for one kind, it is characterized in that, comprise with lower module:
Image-capturing apparatus: obtain image in the reality scene immediately;
Picture recognition module: the characteristic to the image that gets access to is identified, and obtains describing the parameter of picture characteristics;
Locating module: obtain user's current location information;
Load module: input destination information;
Database: the characteristic parameter group information that stores virtual map information and the description road that has defined, building or roadside identification image;
Data processing module: the parameter of utilizing picture recognition module to obtain is carried out match query in preset database, after the match is successful, the coordinate information of the image that obtains getting access to, according to this image coordinate information and customer position information obtain the user and the image that gets access between concrete route, be presented in the reality scene image after should concrete route being made into navigation directions information;
Display module: show reality scene image and navigation directions information;
Described image-capturing apparatus communicates to connect with picture recognition module and display module respectively, and described picture recognition module, locating module, load module, database and display module communicate to connect with data processing module respectively.
8. according to claim 7ly catch system with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that described database connects network.
9. according to claim 7ly catch system with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that described image-capturing apparatus continues to catch image, finishes up to navigation.
10. according to claim 7ly catch system with the recognition technology example of enhanced navigational functionality based on image, it is characterized in that described picture recognition module continues image is identified, and finishes up to navigation.
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