CN102194007A - System and method for acquiring mobile augmented reality information - Google Patents
System and method for acquiring mobile augmented reality information Download PDFInfo
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- CN102194007A CN102194007A CN2011101440147A CN201110144014A CN102194007A CN 102194007 A CN102194007 A CN 102194007A CN 2011101440147 A CN2011101440147 A CN 2011101440147A CN 201110144014 A CN201110144014 A CN 201110144014A CN 102194007 A CN102194007 A CN 102194007A
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Abstract
The invention provides a system and a method for acquiring mobile augmented reality information. The method comprises the following steps of: acquiring image information, and extracting image characteristics of the image information; determining an information platform needed to establish connection, and connecting one or a plurality of information platforms according to an information platform address; carrying the image characteristics and position information in a request parameter, and transmitting the request parameter to the information platform; and searching through the information platform according to the request parameter so as to acquire content information matched with the request parameter, and returning the content information to an augmented reality service processing platform. By the method, the acquisition accuracy of the information is improved, and the information can be accurately matched and superposed with realistic scenes.
Description
Technical field
The present invention relates to the mobile communication value-added service field, relate in particular to the system and method that obtains mobile augmented reality information.
Background technology
There is a class to use at present based on the augmented reality of portable terminal, terminal is obtained the positional information of present position, service process platform is handled and is searched for then, the information of return message point, and on terminal, the outdoor scene of information point and terminal lens shooting merged and represent.This application is worked as the user and is aimed at the mark with mobile phone cam, just can see the related text prompting that is superimposed upon on the outdoor scene image or virtual image, label on the screen, obtain various relevent informations, comment, save the trouble that the user carries out inputted search, new experience is provided.
This type of is applied on the framework at present, the processing scheme that existing service process platform is separated with information platform, service process platform is by transmiting a request to information platform, content obtains information, the parameter of business platform and information platform interactive request only limits to the position longitude and latitude in the existing scheme, the error of positioning result causes the information that obtains more, precision is not enough, service process platform may be difficult to get access to the accurate management information of outdoor scene of required lens shooting, and mate stack with the image of reality scene, perhaps the effect of virtual information stack is relatively poor, influences user experience.
Summary of the invention
In view of more than, the objective of the invention is to propose to obtain the system and method for mobile augmented reality information.
According to an aspect of the present invention, propose to obtain the system of mobile augmented reality information, wherein:
The augmented reality service process platform comprises:
The position acquiring unit is used to obtain the positional information of Location, sends positional information to control module;
Image acquisition unit is used to obtain image information, sends image information to image analyzing unit;
Image analyzing unit, the image information that is used for image acquisition unit is obtained is carried out signature analysis, extracts characteristics of image, sends characteristics of image to control module;
Control module is connected with position acquiring unit, direction acquiring unit, image acquisition unit, image analyzing unit respectively, is used for characteristics of image and positional information are carried at required parameter, and definite required parameter information platform that will mail to;
The information platform administrative unit is used for the information of overhead platform, comprises the information platform information bank, and each information platform all has corresponding record in this information bank;
The information platform interface unit is used for being connected with each information platform communication, sends required parameter and obtains the content information of feedback to information platform according to interface protocol;
Information platform comprises:
Interface unit has link address, is used for being connected communication with the augmented reality service process platform, obtains required parameter and feedback content information;
Linkage unit is connected with interface unit, content management units respectively, is used for obtaining required parameter from interface unit, obtains the content information of mating with required parameter from content management units, sends the content information to interface unit;
Content management units is used for searching the content information of coupling and sending linkage unit to according to required parameter.
According to a further aspect of the invention, also propose to obtain the method for mobile augmented reality information, comprise the steps:
The augmented reality service process platform is obtained image information, and image information is extracted characteristics of image;
The definite information platform that will connect of augmented reality service process platform connects one or more information platforms according to the information platform address;
The augmented reality service process platform is carried at characteristics of image and positional information in the required parameter, and required parameter is dealt into information platform;
Information platform is searched for according to required parameter, obtains the content information of mating with required parameter, returns to the augmented reality service process platform.
According to a further aspect of the invention, also propose to set up the interface that is connected between business platform and the information platform, comprising:
The information platform interface unit is arranged on business platform, is used for being connected with each information platform communication, sends required parameter and obtains the content information of feedback to information platform according to interface protocol, and the described request parameter comprises positional information and characteristics of image;
Interface unit is arranged on information platform, has link address, is used for being connected communication with business platform, obtains the content information of required parameter and feedback and described request parameter matching.
The present invention can be according to interface parameters, obtain the content information such as position longitude and latitude, pick-up lens direction, characteristics of image etc., search screening by multiparameter, obtain the content information from information platform, the accuracy that raising information is obtained, realize accurate coupling and stack with reality scene, optimize user's interactive experience, can support more application such as picture search, providing after the search of the application examples of support such as people's face to provide after the information visit, plant identification of personal space provides information of vehicles and information such as preferential after plant information, the vehicle identification.In these were used, business platform carried out preliminary identification and the result represents, and after information platform obtains demand according to interface, carries out the identification of specialty and the information of coupling is provided.
Description of drawings
Fig. 1 is the structural representation of system of the present invention, and wherein image analyzing unit is arranged on terminal;
Fig. 2 is the structural representation of system of the present invention, and wherein image analyzing unit is arranged on business platform;
Fig. 3 is the structural representation of system of the present invention, and wherein image analyzing unit is arranged on business platform and information platform;
Fig. 4 is the process flow diagram of the inventive method.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
As described in Figure 1, the structural representation for system of the present invention comprises: augmented reality service process platform 1 and information platform 2.
Again as shown in Figure 1, augmented reality service process platform 1 comprises position acquiring unit 11, direction acquiring unit 12, image acquisition unit 13, image analyzing unit 14, control module 15, information platform administrative unit 16 and information platform interface unit 17.Wherein, because image information and positional information are necessary parameters, other are optional parameter, so direction acquiring unit 12 is selectable units, are for obtaining the unit that better effect increases.Below each unit that is arranged in the augmented reality service process platform 1 is elaborated:
Field of image recognition has the algorithm of a lot of extraction characteristics of image at present.Image analyzing unit 14 can be positioned on the terminal, as shown in Figure 1; Also can be positioned at the network side business platform, as shown in Figure 2; Can also at business platform and information platform image analyzing unit be set all as shown in Figure 3.The image analyzing unit of business platform side can be done preliminary analysis, also can not do analysis and directly handle to information platform.Information platform do the specialty graphical analysis, and will with the image library combination, as recognition of face, brand recognition, commodity identification etc.
Wherein, business platform can be with picture directly as characteristics of image, and picture format can be JPG, BMP, GIF etc.; Business platform also can analyze some contour features of image earlier, with contour feature as characteristics of image.Preferably, when control module also obtains directional information and/or hunting zone, in required parameter, also carry directional information and/or hunting zone.
As one embodiment of the present of invention, control module determines that the operation of information platform can be, embodiment 1: control module is presented to the user with information platform with tabular form, and the user clicks the interface, and control module is according to clicking the information platform of determining that the user selects.Embodiment 2: control module is determined according to characteristics of image, as identifying according to characteristics of image is personage's image, then search for the information platform administrative unit, obtain the information platform link address of carrying out person recognition, determine that required parameter is dealt into corresponding information platform to be handled.
Information platform administrative unit 16 is used for the information of overhead platform, comprise the information platform information bank, information bank can comprise classification and information platform link address, can also comprise information platform sign etc., and each information platform all has the record of a correspondence in this information bank.
Wherein, plurality of classes can be arranged, as building class, figure kind, commodity class, plant class etc. according to embodiment; The information platform sign is used to identify information platform, can be the title of information platform or the numbering of information platform etc.; The link address of information platform is to be used to connect information platform, can be IP address, operating system call link address or Web domain name addresses etc.
Information platform interface unit 17 is used for being connected with each information platform communication, sends required parameter and obtains the content information of feedback to information platform according to interface protocol.Interface protocol is the XML agreement, also can be based on the WebService agreement of TCP/IP.
As one embodiment of the present invention, augmented reality service process platform 1 can also comprise that fusion represents unit 18, be used for content information that information platform interface unit 17 is obtained and image information merge represent, interactive operation, carry out virtual and fusion real information represents.
For example: after business platform is issued information platform with building information, information platform returns the signboard information of businessman, and the relative position that fusion represents with the building, fusion represents unit 18 merges the virtual label of businessman's signboard and the outdoor scene of camera lens, represents to the user.
As shown in Figure 2, the structural representation of system of the present invention, wherein image analyzing unit is arranged on business platform.Information platform 2 comprises interface unit 21, linkage unit 22 and content management units 23.Information platform can have one or more.Different information platforms can provide dissimilar informations, or the information of zones of different is provided.According to service needed, decision sends request to one or more information platforms by augmented reality service process platform 1.Wherein:
As shown in Figure 1, describe below by specific embodiment.
In the present embodiment, provide " holographic window " business,, utilized perceptions such as handset image collection, the intelligent mobile Internet information of accurate information is provided according to user environment based on technology such as location, augmented reality (AR), image recognitions to the user.The user passes through the augmented reality service process platform, and " " client during with the mobile phone photographed, can be seen relevant the introduction or link to holographic window on outdoor scene, the network information that goes directly is opened the window that connects network world together from on-the-spot outdoor scene.
In the present embodiment, augmented reality service process platform 1 comprises 2 major parts, be that network side is disposed " holographic window " business platform (abbreviation business platform), business platform comprises information platform administrative unit 16, information platform interface unit 17, control module 15 several sections; Another part is mounted in " holographic window " client on the terminal, comprising: position acquiring unit 11, direction acquiring unit 12, image acquisition unit 13 (being mobile phone cam), image analyzing unit 14 also have to merge to represent unit and mobile comm unit.
In this embodiment, " holographic window " business platform has been realized using door and Networking Platform based on the intelligent information of mobile phone shooting, by interactive interfacing method of the present invention, defined the enhancement mode AR interactive interfacing agreement between holographic window business platform and the information platform.By this business platform polymerizable and integrated content information such as businessman, scenic spot, commodity, real estate, community, recruitment.Be connected by IP network between " holographic window " business platform and the information platform.
With 2 information platforms is example, and as shown in Figure 1, wherein, information platform 2-1 is the food and drink information platform, and information platform 2-2 is the tourist attractions information platforms.In the present embodiment, described 2 information platforms are internet sites that catering information and tourist attractions information are provided respectively.
Information platform 2-1 stores the content association information of food and beverage enterprise, comprises restaurant name, restaurant introduction, ordering number etc., records picture external appearance characteristic, Logo feature of latitude and longitude information, spatial positional information, the enterprise of each food and beverage enterprise etc.
Information platform 2-2 stores the content association information of tourist attractions, comprises sight spot title, sight spot introduction, admission fee information etc., records latitude and longitude information, spatial positional information, scenery feature of each tourist attractions etc.
As shown in Figure 4, obtain the method for mobile augmented reality information for the present invention, can obtain the content information by this method, and further the content information of obtaining is merged and represent, for example: need businessman's label is superimposed upon one greatly upstairs, increased the floor characteristics of image after, information platform can find the businessman of respective storey correspondence according to the floor characteristics of image, this Business Information is returned to business platform, send to terminal through business platform; Terminal can also be according to the picture structure feature that comprises in the Business Information, information point is superimposed upon the lens image position of this structure matching that neutralizes, thereby accurately mates with outdoor scene.This method may further comprise the steps:
In step 401, the augmented reality service process platform is obtained image information, and image information is extracted characteristics of image.
As an embodiment, can obtain image information by the client camera that operates in the mobile phone side.For example mobile phone is facing to a building in the city, and then the image information of being obtained is the photo in building.Preferably, the client call handset port obtains the position and the direction parameter of mobile phone, and promptly the augmented reality service process platform can also be obtained position, direction and/or the hunting zone of scenery.
In step 402, the augmented reality business platform is determined target information platform address, connects one or more information platforms according to target information platform address.
In the present embodiment, " holographic window " client presents the name list of a plurality of optional target information platforms on the interface, for example " 1. food and drink information ", " 2. tourist attractions information ", click selection according to the user and determine target information platform address, if the user has clicked " 1. food and drink information ", then client will select information to send the network side business platform to by mobile communications network, the network side business platform has been preserved the address of this information platform, can in the database of having preserved, retrieve definite according to the information platform sign, the i.e. address of Dui Ying information platform 2-1 is as IP address " 10.17.48.196 ".
As another embodiment, business platform can also be determined according to characteristics of image, is personage's image as identifying according to characteristics of image, and then the information platform link address of carrying out person recognition is obtained in search.
In step 403, the augmented reality service process platform is carried at characteristics of image and positional information in the required parameter, required parameter is dealt into the target information platform handles.
In the present embodiment, increased characteristics of image in the interface, then characteristics of image is discerned and search etc. handled operation, can successively or carry out at business platform end and information platform end respectively, according to the different different numerous embodiments that comprise with processing mode of characteristics of image.Described characteristics of image comprises attributes such as the structure, color of image characteristic point.
By the interface between augmented reality service process platform and the information platform, for step 403, required parameter is dealt into the target information platform, and step 404, information platform is searched for according to required parameter, can also comprise following situation:
When also carrying the hunting zone in the required parameter, information platform is searched for according to positional information and hunting zone, determine target zone after, mate according to characteristics of image again;
When also carrying directional information in the required parameter, information platform is searched for according to positional information and directional information, determine target zone after, mate according to characteristics of image again; Perhaps
When also carrying directional information and hunting zone in the required parameter, information platform is searched for according to positional information, directional information and hunting zone, determine target zone after, mate according to characteristics of image again.
In step 404, information platform is searched for according to required parameter, obtains the content information with required parameter coupling, but described content information for example content information point title, brief introduction, photo, phone executable operations etc. return to the augmented reality service process platform.
" holographic window " business platform connects " 1. food and drink information " corresponding information platform 2-1, and image information (building photo), position that client is obtained send to information platform 2-1, and information platform 2-1 handles.In the present embodiment, the information platform processing mode is, information platform has been preserved the photo of all commercial buildings, position in the city, determine several buildings of candidate earlier according to the position, the building photo is carried out image characteristics extraction, carry out the characteristics of image coupling in view of the above, accurately determine the target building of aiming at, then the title in this building in the database, the Business Information that each floor is moved into are taken out, Business Information is fed back to " holographic window " business platform by interface.
As embodiment, in the feedback information, each Business Information all has characteristics of image and the displacement control information with building photo coupling, as businessman " KFC " in the 3rd buildings, then in feeding back to the Business Information of business platform, comprise and merge when showing the label information of embedded location in picture.
Below be " holographic window " business platform and the mutual agreement demonstration of information platform 2-1 in present embodiment step 403～step 404:
The required parameter that " holographic window " business platform is submitted to information platform 2-1 address (10.17.48.196):
Wherein latitude, longitude are the roughly longitudes and latitudes of target buildings, range is the radius of search, angle is horizontal visual angle, pic_url is the address of picture, PicFeature is the unique point label information in business platform the image that image is carried out forming after the rough handling, in the present embodiment, described image information promptly is pic_url and PicFeature.
Information platform 2-1 is according in 400 meters of the radius of longitude and latitude and search, in the building information storehouse of information platform, search for, find candidate's buildings, obtain the building picture according to pic_url then, utilize the conventional images recognition technology in candidate architecture thing picture, find with pic_url in the building that mates most of picture, as the target building, in the time of identification, utilized the unique point mark of PicFeature to quicken coupling.After determining the target building, the Business Information taking-up with this each floor of building in the database feeds back to " holographic window " business platform with Business Information by interface, and feedack is as follows:
Wherein name is the title of businessman, introduction is businessman's brief introduction, pic_url is the label of businessman, latitude and longitude are the actual longitudes and latitudes of businessman, pos ctrl is that businessman's label reality photo and virtual label merge when showing, the label information of embedded location in picture, as be embedded into the 3rd layer of position in building, in the present embodiment this position by with former picture in the bias of unique point identify.
As a method embodiment of the present invention, can also comprise step 405, in step 405, the augmented reality service process platform content information that platform provides that obtains information presents on terminal screen.
" holographic window " business platform obtains the Business Information of " KFC " of feeding back in the above agreement, in picture and in the correspondence position of pos ctrl mark, embed businessman's label of " KFC ", it is businessman's title, perhaps obtain businessman's mark picture, thereby realize that obtaining exactly with merging exactly of on-the-spot outdoor scene and virtual label represents from pic_url.
Preferably, in step 404, information platform also returns to the augmented reality service process platform with the displaying controlled variable of content information, shows that controlled variable can comprise related characteristics of image and/or side-play amount etc.Correspondingly, in step 405, the augmented reality service process platform is in conjunction with the displaying controlled variable of being obtained, and the content information is showed in the place that is complementary with the displaying controlled variable on screen.
Utilize the present invention, when the user carries out augmented reality experience, obtain more environmental parameter as required parameter, comprise positional information and image information, can also comprise directional information and/or hunting zone etc., carry out when the content information obtains at information platform, carry out the search screening of multiparameter by required parameter, obtain the content information from information platform, the accuracy that raising information is obtained, realize and the accurate coupling and the stack of reality scene that optimization user's interactive experience can be supported more application such as picture search.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. obtain the system of mobile augmented reality information, wherein:
The augmented reality service process platform comprises:
The position acquiring unit is used to obtain the positional information of Location, sends positional information to control module;
Image acquisition unit is used to obtain image information, sends image information to image analyzing unit;
Image analyzing unit, the image information that is used for image acquisition unit is obtained is carried out signature analysis, extracts characteristics of image, sends characteristics of image to control module;
Control module is connected with position acquiring unit, direction acquiring unit, image acquisition unit, image analyzing unit respectively, is used for characteristics of image and positional information are carried at required parameter, and definite required parameter information platform that will mail to;
The information platform administrative unit is used for the information of overhead platform, comprises the information platform information bank, and each information platform all has corresponding record in this information bank;
The information platform interface unit is used for being connected with each information platform communication, sends required parameter and obtains the content information of feedback to information platform according to interface protocol;
Information platform comprises:
Interface unit has link address, is used for being connected communication with the augmented reality service process platform, obtains required parameter and feedback content information;
Linkage unit is connected with interface unit, content management units respectively, is used for obtaining required parameter from interface unit, obtains the content information of mating with required parameter from content management units, sends the content information to interface unit;
Content management units is used for according to request position, characteristics of image parameter search to the content information of mating and send linkage unit to.
2. according to the described system that obtains mobile augmented reality information of claim 1, the augmented reality service process platform also comprises:
The direction acquiring unit is used to obtain directional information, sends directional information to control module.
3. according to the described system that obtains mobile augmented reality information of claim 2, wherein:
Control module also is carried at directional information and/or hunting zone in the required parameter.
4. according to the described system that obtains mobile augmented reality information of claim 1, wherein:
Control module is presented on terminal with information platform with tabular form, and the information platform of having selected is defined as the information platform that required parameter will mail to; Perhaps, will be defined as the information platform that required parameter will mail to the information platform of characteristics of image coupling according to characteristics of image search information platform administrative unit.
5. according to the described system that obtains mobile augmented reality information of claim 1, wherein:
Image analyzing unit is positioned at terminal or network side business platform, perhaps at network side business platform and information platform image analyzing unit is set all.
6. according to arbitrary described system that obtains mobile augmented reality information in the claim 1 to 5, the augmented reality service process platform also comprises:
Merge and to represent the unit, be used for the content information that to get access to and real world images and merge and represent.
7. obtain the method for mobile augmented reality information, comprise the steps:
The augmented reality service process platform is obtained image information, and image information is extracted characteristics of image;
The definite information platform that will connect of augmented reality service process platform connects one or more information platforms according to the information platform address;
The augmented reality service process platform is carried at characteristics of image and positional information in the required parameter, and required parameter is dealt into information platform;
Information platform is searched for according to required parameter, obtains the content information of mating with required parameter, returns to the augmented reality service process platform.
8. according to the described method of obtaining mobile augmented reality information of claim 7, the operation of the definite information platform that will connect of augmented reality service process platform may further comprise the steps:
Business platform is presented on terminal with information platform with tabular form, after the user selects information platform, the information platform of having selected is defined as the information platform that will connect; Perhaps
Business platform is searched for according to characteristics of image, will be defined as the information platform that will connect with the information platform of characteristics of image coupling.
9. according to claim 7 or the 8 described methods of obtaining mobile augmented reality information, required parameter is dealt into information platform, the operation that information platform is searched for according to required parameter, further comprising the steps of:
When also carrying the hunting zone in the required parameter, information platform is searched for according to positional information and hunting zone, determine target zone after, mate according to characteristics of image again;
When also carrying directional information in the required parameter, information platform is searched for according to positional information and directional information, determine target zone after, mate according to characteristics of image again; Perhaps
When also carrying directional information and hunting zone in the required parameter, information platform is searched for according to positional information, directional information and hunting zone, determine target zone after, mate according to characteristics of image again.
10. set up the interface that is connected between business platform and the information platform, comprising:
The information platform interface unit is arranged on business platform, is used for being connected with each information platform communication, sends required parameter and obtains the content information of feedback to information platform according to interface protocol, and the described request parameter comprises positional information and characteristics of image;
Interface unit is arranged on information platform, has link address, is used for being connected communication with business platform, obtains the content information of required parameter and feedback and described request parameter matching.
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