CN104050177A - Street view generation method and server - Google Patents
Street view generation method and server Download PDFInfo
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- CN104050177A CN104050177A CN201310079271.6A CN201310079271A CN104050177A CN 104050177 A CN104050177 A CN 104050177A CN 201310079271 A CN201310079271 A CN 201310079271A CN 104050177 A CN104050177 A CN 104050177A
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- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G—PHYSICS
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Abstract
The invention discloses a street view generation method and a server. The method comprises the following steps: receiving a scene photograph sent by a shooting terminal, and acquiring the position information when the scene photograph is shot by the shooting terminal; generating a three-dimensional model corresponding to the scene according to the received scene photograph; acquiring the projection position of the three-dimensional model according to the position information of the shooting terminal; projecting the three-dimensional model onto a street scene picture of an electronic map as a computer identification marking according to the projection position. The street scene picture in the electronic map can be updated in real time according to a scene photograph uploaded by a user, so that the efficiency is high, the update efficiency is high, the resources of the server are greatly saved, and the operating efficiency of the server is improved.
Description
Technical field
The invention belongs to electronic chart field, relate in particular to a kind of streetscape generation method and server.
Background technology
Along with electronic chart application is more and more extensive, user has proposed very high requirement to the function of electronic chart.Take in streetscape and show that the three-dimensional model of real building is example, this kind of exhibition method has strong sight sense, can make user have sensation on the spot in person, can improve greatly user and experience.
The technology of existing generating three-dimensional models is generally that the sequence image by target scene carrys out generating three-dimensional models, afterwards three-dimensional model is added in streetscape.But the present inventor finds in research process, there is following shortcoming in the mode of existing formation streetscape: streetscape is generally to form according to the picture preexisting in network, and these pictures are that formation time is more remote mostly, and in real life because the paces of urban construction speed are very fast and other decorate reasons, various scenes in reality are constantly changing, therefore the picture of preexist in network can accurately not react current actual scene, if and will keep the contextual data real-time update in streetscape, need the manpower and materials that cost is larger, and then cause the waste of resource, and inefficiency.
To sum up, need to solve the time length of in prior art, the three-dimensional map model of scene being upgraded, inefficient technical matters.
Summary of the invention
The object of the present invention is to provide a kind of streetscape generation method and server, be intended to solve the time length of in prior art, the three-dimensional map model of scene being upgraded, inefficient technical matters.
For solving the problems of the technologies described above, the embodiment of the present invention provides following technical scheme:
A kind of streetscape generation method, described method comprises:
Receive the scene photo that camera terminal sends, and the positional information when obtaining described camera terminal and taking described scene photo;
According to the scene photo receiving, generate the three-dimensional model of corresponding scene;
According to the positional information of described camera terminal, obtain the projected position of described three-dimensional model;
According to described projected position, using described three-dimensional model as computing machine identifiable marker, be projected on the streetscape image of electronic chart.
A server, described server comprises:
Scene photo receiver module, the scene photo sending for receiving camera terminal;
Position information acquisition module, the positional information while taking described scene photo for obtaining described camera terminal; Three-dimensional model generation module, for generating the three-dimensional model of corresponding scene according to the scene photo receiving;
Projected position acquisition module, for obtaining the projected position of described three-dimensional model according to the positional information of described camera terminal; And
Projection module, for being projected in the streetscape image of electronic chart using described three-dimensional model as computing machine identifiable marker according to described projected position.
In the embodiment of the present invention, user can take by hand-held camera terminal the scene photo of the buildings such as some sight spots, and by the scene photo upload of taking to server, the scene photo that described server is uploaded according to user generates the three-dimensional model of corresponding scene, and the three-dimensional model of generation is added in the streetscape image of electronic chart.Obviously, the scene photo of uploading according to user that the present invention can be real-time upgrades the streetscape image of electronic chart, and not only efficiency is high, has also improved renewal frequency, and has greatly saved server resource, has improved the operational efficiency of server.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of first embodiment of the invention streetscape generation method;
Fig. 2 is the schematic flow sheet of second embodiment of the invention streetscape generation method;
Fig. 3 is the structural representation of embodiment of the present invention server.
Embodiment
The explanation of following embodiment is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustration the present invention.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of first embodiment of the invention streetscape generation method.
In step S101, receive the scene photo that camera terminal sends.
In specific implementation process, user is by camera terminal photographed scene photo and after selecting to upload, camera terminal by the scene photo upload of taking to server, for example camera terminal photographed scene " photo of City Residents of Shenzhen " center " and select to upload after, described camera terminal is sent to described server by the scene photo of shooting.
Wherein said server preferably receives by wireless mode the scene photo that described camera terminal sends, and for example described wireless mode is general packet radio service technology (General Packet Radio Service, GPRS), or WiFi etc.
In step S102, the positional information when obtaining described camera terminal and taking described scene photo.
In the embodiment of the present invention, each scene photo is the positional information of a corresponding camera terminal all, the positional information of wherein said camera terminal is the particular location of described camera terminal while taking described scene photo, and for example the position at described camera terminal place be " east longitude 41 degree, north latitude 54 are spent ".
In specific implementation process, described server can obtain the positional information of camera terminal in several ways, such as scene photo itself includes the positional information of camera terminal, and described server, after receiving scene photo, directly obtains from this scene photo; Can certainly be after receiving the scene photo that camera terminal sends, instant pass through the positional information that GPS (Global Positioning System, GPS) is obtained camera terminal.
In step S103, according to the scene photo receiving, generate the three-dimensional model of corresponding scene.
About the generative process of three-dimensional model, refer to step S203 in Fig. 2, to the detailed description of step S205, wouldn't repeat herein.
In step S104, according to the positional information of described camera terminal, obtain the projected position of described three-dimensional model.
Concrete, in generating the three-dimensional model process of corresponding scene, can obtain the distance between scene photo Scene and described camera terminal.For example, when obtaining the three-dimensional point cloud of corresponding scene, calculate the distance between generating scene and described camera terminal simultaneously.In electronic chart, search afterwards the positional information of the camera terminal that described scene photo is corresponding, finally according to the distance between the positional information of described camera terminal and scene and described camera terminal, locate described scene at the projected position of described electronic chart.
Wherein the electronic chart of embodiment of the present invention indication (electronic map) is numerical map, is to utilize computer technology, the map of storing and consulting with digital form.The content of electronic chart represents by numeral, and related data can be stored in Relational database.
In step S105, according to described projected position, using described three-dimensional model as computing machine identifiable marker, be projected on the streetscape image of electronic chart.
In this first embodiment, user can take by hand-held camera terminal the scene photo at some sight spots, and by captured scene photo upload to server, what described server was instant generates the three-dimensional model of corresponding scene according to the scene photo receiving, and is added in the streetscape image of electronic chart after the three-dimensional model of generation is played up to processing.Obviously, the present invention can be instant the scene photo of uploading according to user upgrade the three-dimensional model in streetscape image, renewal efficiency is high, but also can to three-dimensional space model, play up processing according to the scene photo receiving, and the three-dimensional model display effect of formation is better.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of second embodiment of the invention streetscape generation method.
In step S201, receive the scene photo that camera terminal sends.
In step S20, the positional information when obtaining described camera terminal and taking described scene photo.
In step S203, according to the scene photo receiving, obtain the three-dimensional point cloud of corresponding scene.
The three-dimensional point cloud of embodiment of the present invention indication is the entity in the computing machine forming on the basis of relative relation data, and this three-dimensional point cloud is for further forming three-dimensional space model.In specific implementation process, different camera terminals can be at different shooting angles photographed scene photo, and by the different scene photo upload of taking to described server.Described server is after receiving the scene photo of camera terminal transmission, the scene photo of corresponding Same Scene is sorted out, and relative position and attitude relation between a series of scene photos of definite Same Scene, to a series of scene photos of Same Scene, use multi-disc dense Stereo Matching method based on gray scale similarity feature to obtain the three-dimensional point cloud of this scene afterwards.Wherein said dense Stereo Matching method is mainly used in obtaining the relative relation data between each parts of scene photo, the relative relation data such as the distance between two buildings and the distance between relative position, scene and camera terminal and relative position for example, these relative relation datas are used for forming three-dimensional space model, repeat no more, the three-dimensional model that the distance between its Scene and camera terminal also can be used for generating carries out projection location herein.In step S204, according to described three-dimensional point cloud, generate the three-dimensional space model of corresponding scene.
Wherein, by three-dimensional point cloud, build the three-dimensional space model of this scene, for example obtain that different angles take " after the scene picture of City Residents of Shenzhen " center ", according to the scene picture obtaining to " three-dimensional space model of City Residents of Shenzhen " center " builds.
Certainly, in generating the three-dimensional space model process of corresponding scene, the processing of can modifying on the basis of existing three-dimensional space model, which can saving resource, to improve the utilization factor of existing three-dimensional space model.Also can directly according to three-dimensional point cloud, regenerate the three-dimensional space model of corresponding scene, and substitute the former three-dimensional space model pre-existing, which accuracy is higher.
In step S205, according to described scene photo, the three-dimensional space model generating is played up to processing, to form the three-dimensional model of corresponding scene.
In specific implementation process, described server obtains the information of playing up of scene photo, this play up information for example for the color built in scene photo or building surface with material (such as ceramic tile) etc., afterwards the information of playing up of obtaining is played up to processing to corresponding three-dimensional space model, three-dimensional space model is carried out the processing such as painted and filling, to realize the texture of scene photo and three-dimensional space model, and the final three-dimensional model with actual experience effect that forms.
In step S206, according to the positional information of described camera terminal, obtain the projected position of described three-dimensional model.About the detailed description of described step S206, refer in the first embodiment for the description of step S104, repeat no more herein.
In step S207, according to described projected position, using described three-dimensional model as computing machine identifiable marker, be projected on the streetscape image of electronic chart.
In this second embodiment, server can be instant the scene photo of uploading according to user upgrade the three-dimensional model in streetscape image, renewal efficiency is high, but also can to three-dimensional space model, play up processing according to the scene photo receiving, and the three-dimensional model display effect of formation is better.
Refer to Fig. 3, the structural representation of the server that Fig. 3 provides for the embodiment of the present invention.Wherein said server comprises scene photo receiver module 31, position information acquisition module 32, three-dimensional model generation module 33, projected position acquisition module 34 and projection module 35.
The scene photo that described scene photo receiver module 31 sends for receiving camera terminal, positional information when described position information acquisition module 32 is taken described scene photo for obtaining described camera terminal.
In specific implementation process, described scene photo receiver module 31 preferably receives by general packet radio service technology the scene photo that described camera terminal sends, and can certainly be other wireless mode, does not enumerate herein.
Described three-dimensional model generation module 33 is for generating the three-dimensional model of corresponding scene according to the scene photo receiving.Concrete, described three-dimensional model generation module 33 comprises three-dimensional point cloud acquisition module 331, three-dimensional space model generation module 332 and model rendering module 333:
Described three-dimensional point cloud acquisition module 331 is for obtaining the three-dimensional point cloud of corresponding scene according to the scene photo receiving; Described three-dimensional space model generation module 332 is for generating the three-dimensional space model of corresponding scene according to described three-dimensional point cloud; Described model rendering module 333 is played up processing for the three-dimensional space model described three-dimensional space model generation module 332 being generated according to the scene photo receiving, to form three-dimensional model corresponding scene and that have true effect.
Described projected position acquisition module 34 is for obtaining the projected position of described three-dimensional model according to the positional information of described camera terminal, concrete, described projected position acquisition module 34 comprises shooting distance acquisition module 341, location lookup module 342 and locating module 343:
Described shooting distance acquisition module 341 is for obtaining the distance between scene photo Scene and described camera terminal; Described location lookup module 342 is for searching the positional information of the camera terminal that described scene photo is corresponding at electronic chart; Described locating module 343 is for locating described scene at the projected position of described electronic chart according to the distance between the positional information of described camera terminal and scene and described camera terminal.
Described projection module 35 is for being projected in the streetscape image of electronic chart using described three-dimensional model as computing machine identifiable marker according to described projected position.
About the detailed operation principle between each module in server provided by the invention, refer to above the detailed description for the embodiment of streetscape generation method, repeat no more herein.
In the embodiment of the present invention, user can take by hand-held camera terminal the scene photo of the buildings such as some sight spots, and by the scene photo upload of taking to server, the scene photo that described server is uploaded according to user generates the three-dimensional model of corresponding scene, and the three-dimensional model of generation is added in the streetscape image of electronic chart.Obviously, the scene photo of uploading according to user that the present invention can be real-time upgrades streetscape image, and not only efficiency is high, and renewal frequency is high, and has greatly saved server resource, has improved the operational efficiency of server.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is not in order to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various changes and retouching, so the scope that protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a streetscape generation method, is characterized in that, described method comprises:
Receive the scene photo that camera terminal sends, and the positional information when obtaining described camera terminal and taking described scene photo;
According to the scene photo receiving, generate the three-dimensional model of corresponding scene;
According to the positional information of described camera terminal, obtain the projected position of described three-dimensional model;
According to described projected position, using described three-dimensional model as computing machine identifiable marker, be projected on the streetscape image of electronic chart.
2. streetscape generation method according to claim 1, is characterized in that, the step that generates the three-dimensional model of corresponding scene according to the scene photo receiving comprises:
According to the scene photo receiving, obtain the three-dimensional point cloud of corresponding scene;
According to described three-dimensional point cloud, generate the three-dimensional space model of corresponding scene;
According to the scene photo receiving, described three-dimensional space model is played up to processing, to form the three-dimensional model of corresponding described scene.
3. streetscape generation method according to claim 2, is characterized in that, according to the positional information of described camera terminal and take the step that attitude information obtains the projected position of described three-dimensional model and comprise:
When obtaining the three-dimensional point cloud of corresponding scene, obtain the distance between scene photo Scene and described camera terminal;
In electronic chart, search the positional information of the camera terminal that described scene photo is corresponding;
According to the distance between the positional information of described camera terminal and scene and described camera terminal, locate described scene at the projected position of described electronic chart.
4. streetscape generation method according to claim 1, is characterized in that, when receiving the scene photo of camera terminal transmission, by general packet radio service technology, receives the scene photo that described camera terminal sends.
5. streetscape generation method according to claim 1, is characterized in that, during positional information when obtaining described camera terminal and taking described scene photo, by GPS, obtains described positional information.
6. a server, is characterized in that, described server comprises:
Scene photo receiver module, the scene photo sending for receiving camera terminal;
Position information acquisition module, the positional information while taking described scene photo for obtaining described camera terminal; Three-dimensional model generation module, for generating the three-dimensional model of corresponding scene according to the scene photo receiving;
Projected position acquisition module, for obtaining the projected position of described three-dimensional model according to the positional information of described camera terminal; And
Projection module, for being projected in the streetscape image of electronic chart using described three-dimensional model as computing machine identifiable marker according to described projected position.
7. server according to claim 6, is characterized in that, described three-dimensional model generation module comprises:
Three-dimensional point cloud acquisition module, for obtaining the three-dimensional point cloud of corresponding scene according to the scene photo receiving;
Three-dimensional space model generation module, for generating the three-dimensional space model of corresponding scene according to described three-dimensional point cloud; And
Model rendering module, for according to the scene photo receiving, described three-dimensional space model being played up to processing, to form the three-dimensional model of corresponding described scene.
8. server according to claim 7, is characterized in that, described projected position acquisition module comprises:
Shooting distance acquisition module, for obtaining the distance between scene photo Scene and described camera terminal;
Location lookup module, for searching the positional information of the camera terminal that described scene photo is corresponding at electronic chart; And
Locating module, for locating described scene at the projected position of described electronic chart according to the distance between the positional information of described camera terminal and scene and described camera terminal.
9. server according to claim 6, is characterized in that, described scene photo receiver module, the scene photo further sending for receive described camera terminal by general packet radio service technology.
10. server according to claim 6, is characterized in that, described position information acquisition module, the further positional information when obtaining described camera terminal by GPS and take described scene photo.
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| CN105022405A (en) * | 2015-07-16 | 2015-11-04 | 杨珊珊 | Street view map production method, control server, unmanned aerial vehicle and production device |
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| CN105424007A (en) * | 2015-12-22 | 2016-03-23 | 长光卫星技术有限公司 | Movable mapping platform |
| CN105469461A (en) * | 2015-11-19 | 2016-04-06 | 莆田市云驰新能源汽车研究院有限公司 | Road view sharing method and device |
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| CN106774910A (en) * | 2016-12-24 | 2017-05-31 | 深圳市虚拟现实技术有限公司 | Streetscape implementation method and device based on virtual reality |
| CN106875467A (en) * | 2015-12-11 | 2017-06-20 | 中国科学院深圳先进技术研究院 | D Urban model Rapid Updating |
| CN106909562A (en) * | 2015-12-23 | 2017-06-30 | 华为技术有限公司 | The acquisition methods of street view image, apparatus and system |
| CN107704579A (en) * | 2017-09-30 | 2018-02-16 | 百度在线网络技术（北京）有限公司 | Mass-rent data processing method, device, equipment and storage medium based on road network |
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| CN105022405A (en) * | 2015-07-16 | 2015-11-04 | 杨珊珊 | Street view map production method, control server, unmanned aerial vehicle and production device |
| CN105243119B (en) * | 2015-09-29 | 2019-05-24 | 百度在线网络技术（北京）有限公司 | Determine region to be superimposed, superimposed image, image presentation method and the device of image |
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| CN106875467A (en) * | 2015-12-11 | 2017-06-20 | 中国科学院深圳先进技术研究院 | D Urban model Rapid Updating |
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| CN106909562B (en) * | 2015-12-23 | 2020-07-07 | 华为技术有限公司 | Street view image acquisition method, device and system |
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| CN106023302A (en) * | 2016-05-06 | 2016-10-12 | 刘进 | Mobile communication terminal, three-dimensional reconstruction method thereof and server |
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| WO2019028853A1 (en) * | 2017-08-11 | 2019-02-14 | 深圳前海达闼云端智能科技有限公司 | Method, crowdsourcing platform and system for building three-dimensional image model of object |
| CN107704579A (en) * | 2017-09-30 | 2018-02-16 | 百度在线网络技术（北京）有限公司 | Mass-rent data processing method, device, equipment and storage medium based on road network |
| CN108182726A (en) * | 2017-12-29 | 2018-06-19 | 努比亚技术有限公司 | Three-dimensional rebuilding method, cloud server and computer readable storage medium |
| CN109302684A (en) * | 2018-11-07 | 2019-02-01 | 麦片科技（深圳）有限公司 | Scene determination method, Cloud Server and the storage medium of terminal device |
| WO2020135326A1 (en) * | 2018-12-29 | 2020-07-02 | 阿里巴巴集团控股有限公司 | Picture-based direction labeling method and apparatus |
| CN110309330A (en) * | 2019-07-01 | 2019-10-08 | 北京百度网讯科技有限公司 | The treating method and apparatus of vision map |
| CN110309330B (en) * | 2019-07-01 | 2021-08-31 | 北京百度网讯科技有限公司 | Processing method and device of visual map |
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