CN101924992B - Method, system and equipment for acquiring scene information through mobile terminal - Google Patents
Method, system and equipment for acquiring scene information through mobile terminal Download PDFInfo
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- CN101924992B CN101924992B CN201010241091XA CN201010241091A CN101924992B CN 101924992 B CN101924992 B CN 101924992B CN 201010241091X A CN201010241091X A CN 201010241091XA CN 201010241091 A CN201010241091 A CN 201010241091A CN 101924992 B CN101924992 B CN 101924992B
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Abstract
The invention discloses a method, a system and equipment for acquiring scene information through a mobile terminal. The method comprises the following steps: establishing a scene database, and binding and saving the information and attributes of scenes, wherein each scene attribute contains scene figure features, position information and shooting visual angle information; sending shot scene photographs to business processing equipment at the network side by the mobile terminal; acquiring the position information and the shooting visual angle information of the shot target scenes through interaction of the business processing equipment and the mobile terminal; acquiring scene features by the business processing equipment according to the photographs, searching the scene figure features from the scene database, searching the scenes in the geographic position range from the scene database, and matching corresponding scenes according to the search results; and sending the information of the matched scenes to the mobile terminal by the business processing equipment. The invention improves the accuracy and the speed for recognizing scene information, and can provide excellent real-time scene information services for users.
Description
Technical field
The present invention relates to mobile communication technology, refer to especially a kind of method, system and equipment by the acquisition for mobile terminal scene information.
Background technology
The building photo that present with good grounds mobile phone is taken, upload to method and technology that service processing equipment carries out picture search and relevent information is provided.A main application of this technology is, if common traveller goes to tourist attraction, when running into own also unclear showplace scenery, only need to take with smart mobile phone the picture of this scenery, then automatically picture is sent to photographic search engine by mobile phone, just can determine the title of scenery and recognize concrete origin and the allusion of this building.
, according to relevant report,, for the building picture recognition, search at present recognition accuracy and be about 80%.
Owing to mainly utilizing the feature of the scene image in photo to mate at present, when having the close building of profile, scenery, the success rate of identification is lower, and speed is difficult to ensure.
Summary of the invention
In view of this, the object of the invention is to propose a kind of method, system and equipment by the acquisition for mobile terminal scene information, improve the success rate of scenery coupling.
, based on above-mentioned purpose a kind of method by the acquisition for mobile terminal scene information provided by the invention, comprising:
Set up the scene data storehouse, the information of scenery and attribute binding are preserved, wherein contain scenery pattern feature, positional information and shooting visual angle information in each scenery attribute; And comprise the steps:
A. the scenery photo that will take of mobile terminal sends to the service processing equipment of network side;
B. mutual by with mobile terminal of service processing equipment, obtain the positional information of the object scene of taking pictures and take visual angle information;
C. service processing equipment obtains scene features according to photo and search for the scenery pattern feature in described scene data storehouse, and the scenery in described scene data storehouse in this geographical position scope of search, according to scenery corresponding to Search Results coupling;
D. service processing equipment sends to mobile terminal with the information of the scenery that mates.
Optionally, the described step B of the method further comprises: the geographical coordinate of present position when a. acquisition for mobile terminal is taken pictures, the method for obtaining include but not limited to by the GPS module being set on terminal or positioning and obtain the geographical coordinate of present position while taking pictures by the Service Gateway that connects mobile communications network by base station signal;
Direction when b. acquisition for mobile terminal is taken, the method for obtaining include but not limited to that electronic compass built-in by mobile terminal or that connect obtains;
The distance of scenery and camera lens when c. acquisition for mobile terminal is taken pictures, the method for obtaining include but not limited to record the parameter of camera lens focusing when taking pictures, and according to the focal length of focusing parameter and camera lens, calculate, and determine the distance of object scene and camera lens;
D. mobile terminal sends to service processing equipment with the above information that obtains, and is calculated the geographical coordinate position of scenery by service processing equipment; Perhaps mobile terminal calculates the geographical coordinate position of scenery according to the above information of obtaining, and sends to service processing equipment.
Optionally, the distance of the described object scene of the method and camera lens obtains by following formula:
1/ image distance=1/ object distance+1/ focal length;
Wherein, focal length is the focal length of camera lens in described mobile terminal, the image distance information of image distance for obtaining when focusing is clear, and object distance is the distance of object scene and camera lens.
Optionally, the described step C of the method further comprises: service processing equipment is according to from the current scenery photo of acquisition for mobile terminal, carry out graphical analysis extract with the scene features storehouse in corresponding graphic feature;
Retrieve in the scene features storehouse according to the positional information of obtaining and shooting visual angle information, obtain position and take the visual angle scenery close with current scenery photo as Candidate Set;
The graphic feature of the graphic feature of current scenery and the scenery in Candidate Set is compared, determine the scenery of coupling according to similarity.
Optionally, the described step D of the method further comprises: service processing equipment is determined the object scene of coupling, will comprise that the picture of scenery, the information of character introduction occur to described mobile terminal;
Mobile terminal receives relevent information and shows;
Acquisition for mobile terminal user's evaluation information;
Mobile terminal sends to service processing equipment with user's evaluation information;
Service processing equipment is preserved user's evaluation information as one of them relevent information of scenery.
Optionally, the described positional information of the method includes position coordinates, the geographical coordinate accuracy of this scenery; Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting; Described shooting visual angle information comprises the range information of direction, scenery and camera lens when each scenery pattern feature is taken.
Optionally, the described scenery pattern feature of the method includes but not limited to linear feature, color character, textural characteristics, and the positional information of each scene image feature when taking, takes visual angle information and be associated.
Based on above-mentioned purpose, the present invention also provides a kind of system by the acquisition for mobile terminal scene information, comprising:
Mobile terminal, be used for obtaining the positional information of the scenery photo of shooting, the object scene of taking pictures and the service processing equipment that shooting visual angle information sends to network side;
Described service processing equipment, inner foundation has the scene data storehouse, and the information of scenery and attribute binding are preserved, and wherein contains scenery pattern feature, positional information and shooting visual angle information in each scenery attribute; Be used for mutual by with mobile terminal, obtain the positional information of the object scene of taking pictures and take visual angle information; Obtain scene features according to photo and search for the scenery pattern feature in described scene data storehouse, the scenery in described scene data storehouse in this geographical position scope of search, according to scenery corresponding to Search Results coupling; The information of the scenery that mates is sent to mobile terminal.
Based on above-mentioned purpose, the present invention also provides a kind of mobile terminal, comprising:
Scenery photo acquisition module, be used for obtaining the scenery photo;
Position information acquisition module, the positional information while being used for obtaining photograph taking;
Take the visual angle acquisition module, the shooting visual angle information while being used for obtaining photograph taking;
Central processing module, be used for mutual by with the network side service processing equipment, and scenery photo, positional information and the shooting visual angle information obtained are sent to described service processing equipment by communication interface; And the information that receives the scenery that service processing equipment sends is by showing that interface shows the user.
Optionally, the described positional information of this mobile terminal includes position coordinates, the geographical coordinate accuracy of this scenery; Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting; Described shooting visual angle information comprises the range information of direction, scenery and camera lens when each scenery pattern feature is taken.
Optionally, the described scenery pattern feature of this mobile terminal includes but not limited to linear feature, color character, textural characteristics, and the positional information of each scene image feature when taking, takes visual angle information and be associated.
Optionally, the described position information acquisition module of this mobile terminal, be used for by the GPS module being set on terminal or positioning and obtain the geographical coordinate of present position while taking pictures by the Service Gateway that connects mobile communications network by base station signal;
Described shooting visual angle acquisition module, electronic compass built-in by mobile terminal or that connect obtains the direction while taking; And the parameter that records camera lens focusing when taking pictures, calculate according to the focal length of focusing parameter and camera lens, determine the distance of object scene and camera lens.
Optionally, the distance of the described object scene of this mobile terminal and camera lens obtains by following formula:
1/ image distance=1/ object distance+1/ focal length;
Wherein, focal length is the focal length of camera lens in described mobile terminal, the image distance information of image distance for obtaining when focusing is clear, and object distance is the distance of object scene and camera lens.
Optionally, the described central processing module of this mobile terminal also is used for calculating the geographical coordinate position of scenery and taking visual angle information according to the above information of obtaining, and sends to service processing equipment.
Based on above-mentioned purpose, the present invention also provides a kind of service processing equipment, comprising:
Memory module, be used for storage scene data storehouse, and the information of scenery and attribute binding are preserved, and wherein contains scenery pattern feature, positional information and shooting visual angle information in each scenery attribute;
The photographing information acquisition module, be used for mutual by with mobile terminal, obtains the positional information of the object scene of taking pictures and take visual angle information;
The scenery attribute matching module, be used for obtaining scene features in described scene data storehouse search scenery pattern feature according to photo, and the scenery in described scene data storehouse in this geographical position scope of search, according to scenery corresponding to Search Results coupling;
The scene information sending module, the information that is used for the scenery that will mate sends to mobile terminal.
Optionally, the described scenery match attribute of this equipment module, according to the current scenery photo from acquisition for mobile terminal, carry out graphical analysis extract with the scene features storehouse in corresponding graphic feature; Retrieve in the scene features storehouse according to the positional information of obtaining and shooting visual angle information, obtain position and take the visual angle scenery close with current scenery photo as Candidate Set; The graphic feature of the graphic feature of current scenery and the scenery in Candidate Set is compared, determine the scenery of coupling according to similarity.
Optionally, the described positional information of this equipment includes position coordinates, the geographical coordinate accuracy of this scenery; Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting; Described shooting visual angle information comprises angle corresponding to each scenery pattern feature, range information.
Optionally, the described scenery pattern feature of this equipment includes but not limited to linear feature, color character, textural characteristics, and the positional information of each scene image feature when taking, takes visual angle information and be associated.
In addition, the present invention also provides a kind of method of obtaining distance between scenery and mobile terminal, includes the photographing module for scene shot in described mobile terminal, and is used for the computing module that data are processed;
Described photographing module obtains the image distance parameter of focusing when clear, and this image distance parameter is sent to described computing module;
Described computing module, according to the image distance parameter of receiving,, in conjunction with lens focus, calculates distance between scenery and mobile terminal.
Optionally, the distance of the described object scene of the method and camera lens obtains by following formula:
1/ image distance=1/ object distance+1/ focal length;
Wherein, object distance is distance between object scene and mobile terminal.
As can be seen from above, method, system and equipment by the acquisition for mobile terminal scene information provided by the invention, real time position, deflection, range information by in conjunction with mobile phone photograph the time, carry out Image Feature Matching, improve accuracy rate and the speed of identification scene information, can provide the good real-time scene information service of experiencing for the user.The beneficial effect that produces comprises:
(1) improved the accuracy rate of scenery search coupling
Owing to determining in real time the approximate location that the user takes a picture by mobile terminal, greatly reduced the possibility that the close Building Influence of profile accurately mates, therefore can improve the accuracy rate of coupling.
(2) improved the response speed of scenery search coupling
Owing to determining in real time position, the angle information that the user takes a picture by mobile terminal, reduce hunting zone, therefore can reduce the quantity of search coupling, raising speed.
In sum, can provide fast response time, the building that accuracy rate is high, travel scene information and guide service in real time for the user by the present invention, for the user brings larger facility.
Description of drawings
Fig. 1 is that the embodiment of the present invention is obtained the schematic flow sheet of scene information method by mobile phone;
Fig. 2 is that the embodiment of the present invention is obtained the system configuration schematic diagram of scene information by mobile phone;
Fig. 3 is embodiment of the present invention mobile terminal internal structure schematic diagram;
Fig. 4 is embodiment of the present invention service processing equipment internal structure schematic diagram.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
A kind of method by the acquisition for mobile terminal scene information of the present invention mainly comprises:
Set up the scene data storehouse, the information of scenery and attribute binding are preserved, wherein contain scenery pattern feature, positional information and shooting visual angle information in each scenery attribute; And comprise the steps:
A. the scenery photo that will take of mobile terminal sends to the service processing equipment of network side;
B. mutual by with mobile terminal of service processing equipment, obtain the positional information of the object scene of taking pictures and take visual angle information;
C. service processing equipment obtains scene features according to photo and search for the scenery pattern feature in described scene data storehouse, and the scenery in described scene data storehouse in this geographical position scope of search, according to scenery corresponding to Search Results coupling;
D. service processing equipment sends to mobile terminal with the information of the scenery that mates.
Shown in Figure 1, the embodiment of method by the acquisition for mobile terminal scene information, mainly comprise the steps:
Wherein, described scenery can be building, natural scenic spot etc.The information of described scenery can comprise word to this scenery, picture introduction etc.
Described positional information includes position coordinates, the geographical coordinate accuracy of this scenery.Position coordinates can represent with longitude and latitude.
The range information of direction, scenery and camera lens when described shooting visual angle information comprises shooting corresponding to each scenery pattern feature.
Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting.This graphic feature can be photo; Also can carry out the abstract resemblance of scenery under a shooting angle that dissolve in preliminary treatment by comparison film, include but not limited to linear feature, color character, textural characteristics etc., can accelerate search speed like this.Positional information when each scene image feature is with shooting in addition, shooting visual angle information are associated.
Such as: user to a city tour, as come Guangzhou, see CITIC Plaza, thought the information of decorrelation, just can start the particular clients on mobile phone, take the photo of CITIC Plaza according to Client-Prompt, and by the mobile network, send to corresponding service processing equipment.
In the present embodiment, mobile phone can be the CDMA standard.
This step specifically can comprise:
The geographical coordinate of present position when a. acquisition for mobile terminal is taken pictures, i.e. longitude and latitude, the method for obtaining includes but not limited to: by the GPS module is set on terminal, the client calls the GPS position location API of terminal, obtains longitude and latitude and the accuracy rating information at place; Perhaps the Service Gateway (location gateway) by connecting mobile communications network positions and obtains the geographical coordinate of present position while taking pictures by base station signal.
B. the direction of acquisition for mobile terminal picture taking lens, the method for obtaining include but not limited to that electronic compass built-in by mobile terminal or that connect obtains.
The distance of scenery and camera lens when c. acquisition for mobile terminal is taken pictures, the method for obtaining include but not limited to record the parameter of camera lens focusing when taking pictures, and according to the focal length of focusing parameter and camera lens, calculate, and determine the distance of object scene and camera lens.
In the photo-optics system, the distance that object point (main body that will take) leaves lens is called " object distance ", picture point (imagings of lens) is called " image distance " from the distance of lens, there are relation one to one in object point and picture point, the change image distance of object distance also changes thereupon, the picture point of correspondence is focus at this moment when object point is in infinity, and focus is left the distance of lens " focal length ".The use that the relation of object distance, image distance, focal length can be similar to: the formula of 1/ image distance=1/ object distance+1/ focal length represents.
In mobile terminal, the focal length of camera is normally fixed as can be known, therefore when the focusing of taking a picture is clear, obtains the image distance information of this moment, namely can determine object distance, the distance of scenery and camera lens when namely taking.
The shooting direction that obtains according to step b, and step c obtain shooting the time scenery and camera lens distance, just can obtain taking visual angle information
D. mobile terminal sends to service processing equipment with the above information that obtains, and is calculated the geographical coordinate position of scenery by service processing equipment; Perhaps mobile terminal calculates the geographical coordinate position of scenery according to the above information of obtaining, and sends to service processing equipment.
This step specifically can comprise: service processing equipment is according to from the current scenery photo of acquisition for mobile terminal, carry out graphical analysis extract with the scene features storehouse in corresponding graphic feature.
Retrieve in the scene features storehouse according to the positional information of obtaining and shooting visual angle information, obtain position and take the visual angle scenery close with current scenery photo as Candidate Set.For example: service processing equipment is according to the positional information of mobile terminal, determine the scope of scenery search, the position of namely taking pictures is probably in " Hebei, sky, Guangzhou ", be close shot according to take a picture, determine that hunting zone is in 5 kilometers of mobile terminal position, hunting zone is narrowed down to some scenery in this scope., by taking the visual angle coupling, further reduce the scope again, with the scenery pattern feature that obtains as candidate target.
Service processing equipment utilizes existing characteristics of image searching algorithm, according to the graphic feature of current scenery, carries out match search in fixed some candidate target scopes, determines that according to similarity the scenery of coupling is " CITIC Plaza ".
This step specifically can comprise: service processing equipment extracts " CITIC Plaza " relevant information, will comprise that the picture of scenery, the information of character introduction occur to described mobile terminal;
Mobile terminal receives relevent information and shows.
Simultaneously, mobile terminal can also receive the evaluation informations such as user's comment and impression;
Mobile terminal sends to service processing equipment with user's evaluation information;
Service processing equipment is preserved user's evaluation information as one of them relevent information of scenery.
In addition, the present invention also provides a kind of method of obtaining distance between scenery and mobile terminal, needs to include the photographing module for scene shot in the described mobile terminal of the method application, and is used for the computing module that data are processed.
Described photographing module obtains the image distance parameter of focusing when clear, and this image distance parameter is sent to described computing module;
Described computing module, according to the image distance parameter of receiving,, in conjunction with lens focus, calculates distance between scenery and mobile terminal.
Wherein, the distance of described object scene and camera lens obtains by following formula:
1/ image distance=1/ object distance+1/ focal length; Wherein, object distance is distance between object scene and mobile terminal.
Because camera lens in general mobile terminal is tight shot, focal length is a fixed value, and therefore fixed storage is in a certain position in advance for described focal length, and computing module directly extracts and gets final product from this memory location when calculating.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can be completed by the hardware that program command is correlated with, aforesaid program can be stored in a computer read/write memory medium, this program when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Based on said method, the present invention also provides a kind of system of obtaining scene information by mobile phone.
Shown in Figure 2, obtain the system configuration schematic diagram of scene information by mobile phone for the embodiment of the present invention, this system comprises:
Mobile terminal, be used for obtaining the positional information of the scenery photo of shooting, the object scene of taking pictures and the service processing equipment that shooting visual angle information sends to network side;
Described service processing equipment, inner foundation has the scene data storehouse, and the information of scenery and attribute binding are preserved, and wherein contains scenery pattern feature, positional information and shooting visual angle information in each scenery attribute; Be used for mutual by with mobile terminal, obtain the positional information of the object scene of taking pictures and take visual angle information; Obtain scene features according to photo and search for the scenery pattern feature in described scene data storehouse, the scenery in described scene data storehouse in this geographical position scope of search, according to scenery corresponding to Search Results coupling; The information of the scenery that mates is sent to mobile terminal.
Wherein, as an embodiment, described mobile terminal internal structure is shown in Figure 3, comprising:
Scenery photo acquisition module, be used for obtaining the scenery photo;
Position information acquisition module, the positional information while being used for obtaining photograph taking;
Take the visual angle acquisition module, the shooting visual angle information while being used for obtaining photograph taking;
Central processing module, be used for mutual by with the network side service processing equipment, and scenery photo, positional information and the shooting visual angle information obtained are sent to described service processing equipment by communication interface; And the information that receives the scenery that service processing equipment sends is by showing that interface shows the user.
As an embodiment, described positional information includes position coordinates, the geographical coordinate accuracy of this scenery; Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting; Described shooting visual angle information comprises angle corresponding to each scenery pattern feature, range information.
As an embodiment, described scenery pattern feature includes but not limited to linear feature, color character, textural characteristics, and the positional information of each scene image feature when taking, takes visual angle information and be associated.
As an embodiment, described position information acquisition module, be used for by the GPS module being set on terminal or positioning and obtain the geographical coordinate of present position while taking pictures by the Service Gateway that connects mobile communications network by base station signal;
Described shooting visual angle acquisition module, electronic compass built-in by mobile terminal or that connect obtains the direction while taking; And the parameter that records camera lens focusing when taking pictures, calculate according to the focal length of focusing parameter and camera lens, determine the distance of object scene and camera lens.
Wherein, the distance of described object scene and camera lens obtains by following formula:
1/ image distance=1/ object distance+1/ focal length;
Wherein, focal length is the focal length of camera lens in described mobile terminal, the image distance information of image distance for obtaining when focusing is clear, and object distance is the distance of object scene and camera lens.
As an embodiment, described central processing module also is used for calculating the geographical coordinate position of scenery and taking visual angle information according to the above information of obtaining, and sends to service processing equipment.
In addition, as an embodiment, the internal structure of described service processing equipment is shown in Figure 4, comprising:
Memory module, be used for storage scene data storehouse, and the information of scenery and attribute binding are preserved, and wherein contains scenery pattern feature, positional information and shooting visual angle information in each scenery attribute;
The photographing information acquisition module, be used for mutual by with mobile terminal, obtains the positional information of the object scene of taking pictures and take visual angle information;
The scenery attribute matching module, be used for obtaining scene features in described scene data storehouse search scenery pattern feature according to photo, and the scenery in described scene data storehouse in this geographical position scope of search, according to scenery corresponding to Search Results coupling;
The scene information sending module, the information that is used for the scenery that will mate sends to mobile terminal.
As an embodiment, described scenery match attribute module, according to the current scenery photo from acquisition for mobile terminal, carry out graphical analysis extract with the scene features storehouse in corresponding graphic feature; Retrieve in the scene features storehouse according to the positional information of obtaining and shooting visual angle information, obtain position and take the visual angle scenery close with current scenery photo as Candidate Set; The graphic feature of the graphic feature of current scenery and the scenery in Candidate Set is compared, determine the scenery of coupling according to similarity.
As an embodiment, described positional information includes position coordinates, the geographical coordinate accuracy of this scenery; Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting; Described shooting visual angle information comprises the range information of direction, scenery and camera lens when each scenery pattern feature is taken.
As an embodiment, described scenery pattern feature includes but not limited to linear feature, color character, textural characteristics, and the positional information of each scene image feature when taking, takes visual angle information and be associated.
In the present invention, mobile terminal is to possess camera function, and can carry out by mobile communications network the terminal of data communication, and the mobile communication standard comprises but do not limit and CDMA, GSM, TD-SCDMA, WCDMA etc.
In the method for the invention, in described step (3), service processing equipment is the computer system of carrying out business logic processing, can communicate by mobile communications network and mobile terminal reception ﹠ disposal request and transmission processing result.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the method by the acquisition for mobile terminal scene information, is characterized in that,
Set up the scene data storehouse, the information of scenery and attribute binding are preserved, wherein contain scenery pattern feature, positional information and shooting visual angle information in each scenery attribute; And comprise the steps:
A. the scenery photo that will take of mobile terminal sends to the service processing equipment of network side;
The positional information of present position when B. acquisition for mobile terminal is taken, obtain the shooting visual angle information while taking, and the positional information that mobile terminal will obtain, shooting visual angle information send to service processing equipment;
C. service processing equipment is according to from the scenery photo of acquisition for mobile terminal, carry out graphical analysis extract with the scene features storehouse in corresponding graphic feature; Retrieve in the scene features storehouse according to the positional information of obtaining and shooting visual angle information, obtain position and take the photograph the visual angle scenery close with the scenery photo as Candidate Set; The graphic feature of the graphic feature of scenery and the scenery in Candidate Set is compared, determine the scenery of coupling according to similarity;
D. the service processing equipment information that will mate scenery sends to mobile terminal.
2. method according to claim 1, is characterized in that,
Mobile terminal is by the GPS module that arranges on terminal or position and obtain the geographical coordinate of present position while taking by base station signal by the Service Gateway that connects mobile communications network;
Mobile terminal or electronic compass that connect built-in by mobile terminal obtains the direction while taking, the parameter of camera lens focusing in the time of records photographing, calculate according to the focal length of focusing parameter and camera lens, determine the distance of object scene and camera lens, the direction during with described shooting the and the distance of object scene and camera lens are as taking visual angle information.
3. method according to claim 2, is characterized in that, the distance of described object scene and camera lens obtains by following formula:
1/ image distance=1/ object distance+1/ focal length;
Wherein, focal length is the focal length of camera lens in described mobile terminal, the image distance information of image distance for obtaining when focusing is clear, and object distance is the distance of object scene and camera lens.
4. method according to claim 1, is characterized in that, step D further comprises: service processing equipment is determined the object scene of coupling, will comprise that the picture of scenery, the information of character introduction occur to described mobile terminal;
Mobile terminal receives relevent information and shows;
Acquisition for mobile terminal user's evaluation information;
Mobile terminal sends to service processing equipment with user's evaluation information;
Service processing equipment is preserved user's evaluation information as one of them relevent information of scenery.
5. method according to claim 1, is characterized in that, described positional information includes position coordinates, the geographical coordinate accuracy of this scenery; Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting; Described shooting visual angle information comprises the range information of direction, scenery and camera lens when each scenery pattern feature is taken.
6. method according to claim 1, is characterized in that, described scenery pattern feature comprises linear feature, color character, textural characteristics, and the positional information of each scene image feature when taking, take visual angle information and be associated.
7. the scene information system based on the described method of claim 1-6 any one, is characterized in that, comprising:
Mobile terminal, the positional information of the photographic subjects scenery that be used for the scenery photo that will take, will obtain and shooting visual angle information send to the service processing equipment of network side;
Described service processing equipment, inner foundation has the scene data storehouse, and the information of scenery and attribute binding are preserved, and wherein contains scenery pattern feature, positional information and shooting visual angle information in each scenery attribute; Positional information and shooting visual angle information from acquisition for mobile terminal photographic subjects scenery; According to the scenery photo from acquisition for mobile terminal, carry out graphical analysis extract with the scene features storehouse in corresponding graphic feature; Retrieve in the scene features storehouse according to the positional information of obtaining and shooting visual angle information, obtain position and take the visual angle scenery close with the scenery photo as Candidate Set; The graphic feature of the graphic feature of scenery and the scenery in Candidate Set is compared, determine the scenery of coupling according to similarity; The information of coupling scenery is sent to mobile terminal.
8. a service processing equipment, is characterized in that, comprising:
Memory module, be used for storage scene data storehouse, and the information of scenery and attribute binding are preserved, and wherein contains scenery pattern feature, positional information and shooting visual angle information in each scenery attribute;
The photographing information acquisition module, be used for obtaining scenery photo, the positional information of obtaining mobile terminal photographic subjects scenery and the shooting visual angle information that mobile terminal is taken;
The scenery attribute matching module, be used for according to the scenery photo from acquisition for mobile terminal, carry out graphical analysis extract with the scene features storehouse in corresponding graphic feature; Retrieve in the scene features storehouse according to the positional information of obtaining and shooting visual angle information, obtain position and take the visual angle scenery close with the scenery photo as Candidate Set; The graphic feature of the graphic feature of scenery and the scenery in Candidate Set is compared, determine the scenery of coupling according to similarity;
The scene information sending module, send to mobile terminal for the information that will mate scenery.
9. service processing equipment according to claim 8, is characterized in that, described positional information includes position coordinates, the geographical coordinate accuracy of this scenery; Described scenery pattern feature includes the graphic feature of the photo of this scenery multiple angles, distance shooting; Described shooting visual angle information comprises angle corresponding to each scenery pattern feature, range information.
10. service processing equipment according to claim 8, is characterized in that, described scenery pattern feature comprises linear feature, color character, textural characteristics, and the positional information of each scene image feature when taking, take visual angle information and be associated.
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| CN102843347B (en) * | 2011-06-24 | 2017-10-31 | 中兴通讯股份有限公司 | Realize system and method, terminal and the server of mobile augmented reality business |
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