CN117611773A - Large-scale building augmented reality display method, system, equipment and medium - Google Patents
Large-scale building augmented reality display method, system, equipment and medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/006—Mixed reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Abstract
The invention discloses a large-scale building augmented reality display method, a system, equipment and a medium, and relates to the technical field of AR display. The method comprises the following steps: acquiring building entity data and user position data; the building entity data are 3D model data of a large-scale building; building a virtual reality environment according to the building entity data to obtain a whole or partial virtual building; according to the user position data, performing alignment matching on the user and the virtual building, and determining the position relationship between the user and the virtual building and the position relationship between the virtual building and the actual environment; and constructing an interactive display interface, and performing positioning control and three-dimensional viewing by using the interactive display interface. The invention can carry out augmented reality presentation on missing building entity parts in the complex environments of large-scale articles and outdoor large-scale building sites which are not movable and inconvenient to display in limited exhibition spaces, and enhances the interactive experience of users.
Description
Technical Field
The invention relates to the technical field of AR display, in particular to a large-scale building augmented reality display method, a system, equipment and a medium.
Background
Augmented reality technology can achieve a combination of real world and virtual world, registration and real-time interaction of virtual objects and real objects. Hardware components for realizing the augmented reality technology at present mainly comprise: a processor, a display, sensors and an input device, a typical head mounted display is a goggle or helmet-mounted device that places images of the physical world and virtual objects on the user's field of view.
In the system used in exhibition spaces such as the prior use field Jing Ru museum, a user needs to wear professional AR glasses customized for exhibition, and the built-in cameras of the glasses are used for identifying and transmitting information and processing the exhibited exhibits on the exhibition site, and finally relevant explanation or video content is provided in the AR glasses. The existing system has the following problems: 1. equipment problems: personnel need wear the professional AR glasses equipment of customization for the exhibition as the display when watching, can't use personal device as the display, and glasses are heavier, wear for a long time and can appear uncomfortable and feel, need additionally carry when not using, increase and watch the burden. 2. Application scene: (1) The display system is mainly composed of movable small objects in the museum space and display space such as the museum, the display system can only use the augmented reality display technology to supplement display details and introduce display related information for objects which can be placed in the display space, but for large-scale buildings such as large cultural relics, the display of the display objects which cannot be placed in the display space such as the museum is not possible; (2) large-scale site actual environment: in the actual outdoor environments such as large-scale cemetery, great wall and the like mainly for complex outdoor field environments, the space positioning and identification in large-scale building augmented reality display are required to be higher. 3. Spatial positioning accuracy problem: the existing system does not have good space positioning and matching precision, after the exhibited items are identified, the explanation and video content related to the exhibited items of the user are realized in front of the line of sight in the AR glasses, and virtual content and real-time matching presentation of the exhibited items cannot be performed. Therefore, based on the above problems of space and positioning accuracy, a method for realizing accurate matching of large-scale buildings is needed.
Disclosure of Invention
The invention aims to provide a large-scale building augmented reality display method, a system, equipment and a medium, which can carry out augmented reality presentation aiming at large-scale objects which are not movable and inconvenient to display in a limited exhibition space, and enhance the interactive experience of users.
In order to achieve the above object, the present invention provides the following solutions:
a large scale building augmented reality display method, comprising:
acquiring building entity data and user position data; the building entity data are 3D model data of a large-scale building; the user location data includes GPS location information and orientation information;
building a virtual reality environment according to the building entity data to generate a virtual building; the virtual building comprises an integral building structure and a partial building structure;
according to the user position data, carrying out alignment matching on the user and the virtual building, and determining a three-dimensional alignment relation; the three-dimensional alignment relation comprises a position relation between a user and a virtual building and a position relation between the virtual building and an actual environment;
and constructing an interactive display interface, and carrying out positioning control and three-dimensional viewing by utilizing the interactive display interface based on the three-dimensional alignment relation.
Optionally, the method for determining the building entity data is as follows:
carrying out data acquisition on a large-scale building by utilizing a laser scanning and/or photogrammetry method to obtain building entity data which can be directly measured;
and collecting data by utilizing data such as historical documents and partial historic building sites to obtain building entity data which can not be obtained by directly utilizing laser scanning and/or photogrammetry.
Optionally, the method for determining the user position data is as follows:
and positioning the user by using a GPS and/or a position sensor to obtain user position data.
Optionally, the performing alignment matching on the user and the virtual building according to the user position data, and determining a three-dimensional alignment relationship specifically includes:
extracting direction characteristics of the virtual building, and determining characteristic diagrams corresponding to all set directions;
performing GPS space position location by using the user position data and each feature map, and determining the position relationship between the user and the virtual building;
performing space positioning, matching and calibration on the virtual building and the real environment by using a characteristic area identification method, and determining the position relationship between the virtual building and the real environment; the characteristic region identification method comprises two-dimensional picture identification and multiple characteristic region identification in a three-dimensional reality environment.
Optionally, the constructing an interactive display interface, and performing positioning control and three-dimensional viewing by using the interactive display interface specifically includes:
and constructing a positioning display module of the virtual building by using the UI or the UE or the UX, so that the user can realize positioning and watching of the construction, details and materials of the large-scale building by operating and controlling the virtual building in a three-dimensional scene.
The invention also provides a large-scale building augmented reality display system, which comprises:
the acquisition module is used for acquiring building entity data and user position data; the building entity data are 3D model data of a large-scale building; the user location data includes GPS location information and orientation information;
the virtual building module is used for building a virtual reality environment according to the building entity data to generate a virtual building; the virtual building comprises an integral building structure and a partial building structure;
the alignment matching module is used for performing alignment matching on the user and the virtual building according to the user position data to determine a three-dimensional alignment relation; the three-dimensional alignment relation comprises a position relation between a user and a virtual building and a position relation between the virtual building and an actual environment;
and the application module is used for constructing an interactive display interface, and carrying out positioning control and three-dimensional viewing by utilizing the interactive display interface based on the three-dimensional alignment relation.
The invention also provides electronic equipment, which comprises a memory and a processor, wherein the memory is used for storing a computer program, and the processor runs the computer program to enable the electronic equipment to execute the large-scale building augmented reality display method.
The invention also provides a computer readable storage medium storing a computer program which when executed by a processor implements a large scale building augmented reality presentation method as described above.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention discloses a large-scale building augmented reality display method, a system, equipment and a medium, wherein the method comprises the steps of obtaining building entity data and user position data; the building entity data are 3D model data of a large-scale building; building a virtual reality environment according to the building entity data to obtain a whole or partial virtual building; according to the user position data, performing alignment matching on the user and the virtual building, and determining the position relationship between the user and the virtual building and the position relationship between the virtual building and the actual environment; and constructing an interactive display interface, and performing positioning control and three-dimensional viewing by using the interactive display interface. The invention can carry out augmented reality presentation on missing building entity parts in the complex environments of large-scale articles and outdoor large-scale building sites which are not movable and inconvenient to display in limited exhibition spaces, and enhances the interactive experience of users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a large-scale building augmented reality display method of the invention;
fig. 2 is a schematic diagram of the user in the museum in this embodiment;
fig. 3 is a schematic diagram of an application of a user in an outdoor environment in the present embodiment;
FIG. 4 is a schematic diagram of a large-scale building exact-match application in this embodiment;
fig. 5 is a schematic structural diagram of the large-scale building augmented reality display system of the present invention.
Reference numerals:
1-locating the identified two-dimensional feature area; 2-an interactive interface of the portable terminal; 3-a virtual building presented by the interactive interface; 4-one of three-dimensional feature areas of the real environment for positioning recognition; 5-an interactive interface of the portable terminal; 6-a virtual building presented by the interactive interface; 7-a first feature region; 8-a second feature region; 9-third feature region.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a large-scale building augmented reality display method, a system, equipment and a medium, which can carry out augmented reality presentation aiming at large-scale objects which are not movable and inconvenient to display in a limited exhibition space, and enhance the interactive experience of users.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the present invention provides a large-scale building augmented reality display method, which includes:
step 100: acquiring building entity data and user position data; the building entity data are 3D model data of a large-scale building; the user location data includes GPS location information and orientation information;
step 200: building a virtual reality environment according to the building entity data to generate a virtual building; the virtual building includes an overall building structure and a partial building structure.
Step 300: according to the user position data, carrying out alignment matching on the user and the virtual building, and determining a three-dimensional alignment relation; the three-dimensional alignment relation comprises a position relation between a user and a virtual building and a position relation between the virtual building and an actual environment;
step 400: and constructing an interactive display interface, and carrying out positioning control and three-dimensional viewing by utilizing the interactive display interface based on the three-dimensional alignment relation.
Further, as a specific embodiment of the data in step 100, the method for determining building entity data is as follows: carrying out data acquisition on a large-scale building by utilizing a laser scanning and/or photogrammetry method to obtain building entity data which can be directly measured; and collecting data by utilizing data such as historical documents and partial historic building sites to obtain building entity data which can not be obtained by directly utilizing laser scanning and/or photogrammetry. The method for determining the user position data comprises the following steps: and positioning the user by using a GPS and/or a position sensor to obtain user position data.
Further, as a specific embodiment of step 300, it includes:
extracting direction characteristics of the virtual building, and determining characteristic diagrams corresponding to all set directions;
performing GPS space position location by using the user position data and each feature map, and determining the position relationship between the user and the virtual building;
performing space positioning, matching and calibration on the virtual building and the real environment by using a characteristic area identification method, and determining the position relationship between the virtual building and the real environment; the characteristic region identification method comprises two-dimensional picture identification and multiple characteristic region identification in a three-dimensional reality environment.
Further, as a specific embodiment of step 400, it includes:
and constructing a positioning display module of the virtual building by using the UI or the UE or the UX, so that the user can realize positioning and watching of the construction, details and materials of the large-scale building by operating and controlling the virtual building in a three-dimensional scene.
On the basis of the technical scheme, the embodiment shown in the figures 2-5 is provided.
The embodiment provides a system for carrying out augmented reality presentation on large-scale exhibits which are not movable and inconvenient to display in a limited exhibition space based on a portable terminal by using personal mobile phones, flat-panel devices and the like, and provides rich interactive experience for users. The technical proposal of the large-scale building augmented reality display has the problems of difficult space positioning and matching at present, and adopts the GPS space position relationship to perform preliminary positioning and matching, and then the solution of accurate positioning and matching according to the characteristic area mainly comprises the following steps:
(1) And (3) information acquisition: acquiring large-scale building data in reality, and acquiring accurate large-scale building 3D model data through technical modes such as laser scanning, photogrammetry and the like; (2) three-dimensional reconstruction: and carrying out three-dimensional modeling on the obtained model data, and carrying out processing and optimization to generate a virtual building which can be fused with the real environment. (3) positioning and tracking: based on accurate acquisition of user position and orientation information of portable end GPS, sensor etc., match through sensor data and discernment characteristic information such as picture, two-dimensional code, three-dimensional characteristic district etc., realize virtual building's accurate counterpoint. (4) user interface and interaction: the design is comparatively visual practical's portable end APP user interface, carries out the customized design of content, can demonstrate construction, detail and the material of large-scale building in this system, lets the user explore according to own experience, realizes operation control, large-scale virtual building experience. The results are shown in fig. 2-4, where fig. 2 is a schematic diagram of a user applied in the museum, in this embodiment, serial number 1 is used for locating and identifying a two-dimensional feature area, serial number 2 is an interactive interface of a portable terminal, and serial number 3 is a virtual building presented by the interactive interface; fig. 3 is a schematic diagram of an outdoor environment application of a user in the embodiment, in which a serial number 4 is used for positioning one of three-dimensional feature areas of a recognized real environment, a serial number 5 is an interactive interface of a portable terminal, and a serial number 6 is a virtual building presented by the interactive interface; fig. 4 is a schematic diagram of an application of accurate matching of a large-scale building in the embodiment, and serial numbers 7-9 in the figure are 3 three-dimensional feature areas of a real environment for positioning and identification respectively.
In this embodiment, the system is developed mainly through three stages, i.e., a system development early stage, a system development middle stage, and a system development late stage. The system is mainly used for acquiring large-scale building entity information in the early stage of system development, mainly used for constructing a virtual reality environment and designing an APP user interface in the middle stage of system development, and mainly used for realizing functions including an interaction function and a display function, and also used for carrying out platform system test and visitor practical effect test in the later stage of system development after the user interface and interaction.
The technology can be based on the portable terminal mobile equipment, compared with the use of the AR glasses and other customized equipment, the portable terminal equipment mainly comprises a smart phone and a tablet, a wider user group is already owned at present, the user is familiar with the interface and an operating system of the portable terminal equipment, augmented reality can be experienced without purchasing or leasing the AR glasses, and the cost is greatly reduced.
The technology mainly displays a large-scale building, compared with the existing common augmented reality display system, the technology can display a relatively accurate large-scale building model, the perception of visitors is increased, meanwhile, the visitors can deeply explore the inside and the outside of the building, look at the details, the construction and the materials of the building and the indoor layout, so that the structure and the design of the building are better understood, meanwhile, the system can be embedded into the historical information, the cultural background and the important events of the building, and the traditional AR display system may not be enough to provide the detailed information and interactivity to the extent.
The technology mainly shows that the technology can be mutually used with a real scene, most of the current common augmented reality systems are used for projecting related contents in front of the sight of a user and playing related videos after being identified, and the system can realize a space positioning function and realize matching presentation of the exhibited contents of the real scene and the virtual exhibited contents.
In addition, the invention also provides a large-scale building augmented reality display system, which comprises: the system comprises an acquisition module, a virtual building module, an alignment matching module and an application module.
Specifically, the acquisition module is used for acquiring building entity data and user position data; the building entity data are 3D model data of a large-scale building; the user location data includes GPS location information and orientation information; the virtual building module is used for building a virtual reality environment according to the building entity data to generate a virtual building; the virtual building comprises an integral building structure and a partial building structure; the alignment matching module is used for performing alignment matching on the user and the virtual building according to the user position data to determine a three-dimensional alignment relation; the three-dimensional alignment relation comprises a position relation between a user and a virtual building and a position relation between the virtual building and an actual environment; and constructing an interactive display interface, and carrying out positioning control and three-dimensional viewing by utilizing the interactive display interface based on the three-dimensional alignment relation.
The invention also provides electronic equipment, which comprises a memory and a processor, wherein the memory is used for storing a computer program, and the processor runs the computer program to enable the electronic equipment to execute the large-scale building augmented reality display method.
The invention also provides a computer readable storage medium storing a computer program which when executed by a processor implements a large scale building augmented reality presentation method as described above.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the core concept of the invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. A method for large scale building augmented reality display, comprising:
acquiring building entity data and user position data; the building entity data are 3D model data of a large-scale building; the user location data includes GPS location information and orientation information;
building a virtual reality environment according to the building entity data to generate a virtual building; the virtual building comprises an integral building structure and a partial building structure;
according to the user position data, carrying out alignment matching on the user and the virtual building, and determining a three-dimensional alignment relation; the three-dimensional alignment relation comprises a position relation between a user and a virtual building and a position relation between the virtual building and an actual environment;
and constructing an interactive display interface, and carrying out positioning control and three-dimensional viewing by utilizing the interactive display interface based on the three-dimensional alignment relation.
2. The method for large-scale building augmented reality presentation according to claim 1, wherein the method for determining building entity data is as follows:
carrying out data acquisition on a large-scale building by utilizing a laser scanning and/or photogrammetry method to obtain building entity data which can be directly measured;
and collecting data by utilizing data such as historical documents and partial historic building sites to obtain building entity data which can not be obtained by directly utilizing laser scanning and/or photogrammetry.
3. The large-scale building augmented reality presentation method according to claim 1, wherein the method for determining the user position data is:
and positioning the user by using a GPS and/or a position sensor to obtain user position data.
4. The method for augmented reality display of a large-scale building according to claim 1, wherein the performing alignment matching on the user and the virtual building according to the user position data to determine a three-dimensional alignment relationship specifically comprises:
extracting direction characteristics of the virtual building, and determining characteristic diagrams corresponding to all set directions;
performing GPS space position location by using the user position data and each feature map, and determining the position relationship between the user and the virtual building;
performing space positioning, matching and calibration on the virtual building and the real environment by using a characteristic area identification method, and determining the position relationship between the virtual building and the real environment; the characteristic region identification method comprises two-dimensional picture identification and multiple characteristic region identification in a three-dimensional reality environment.
5. The method for displaying large-scale building augmented reality according to claim 1, wherein the constructing an interactive display interface, and performing positioning manipulation and three-dimensional viewing by using the interactive display interface, specifically comprises:
and constructing a positioning display module of the virtual building by using the UI or the UE or the UX, so that the user can realize positioning and watching of the construction, details and materials of the large-scale building by operating and controlling the virtual building in a three-dimensional scene.
6. A large scale building augmented reality display system, comprising:
the acquisition module is used for acquiring building entity data and user position data; the building entity data are 3D model data of a large-scale building; the user location data includes GPS location information and orientation information;
the virtual building module is used for building a virtual reality environment according to the building entity data to generate a virtual building; the virtual building comprises an integral building structure and a partial building structure;
the alignment matching module is used for performing alignment matching on the user and the virtual building according to the user position data to determine a three-dimensional alignment relation; the three-dimensional alignment relation comprises a position relation between a user and a virtual building and a position relation between the virtual building and an actual environment;
and the application module is used for constructing an interactive display interface, and carrying out positioning control and three-dimensional viewing by utilizing the interactive display interface based on the three-dimensional alignment relation.
7. An electronic device comprising a memory for storing a computer program and a processor that runs the computer program to cause the electronic device to perform the large scale building augmented reality presentation method according to any one of claims 1-5.
8. A computer readable storage medium, characterized in that it stores a computer program which, when executed by a processor, implements the large scale building augmented reality presentation method according to any one of claims 1-5.
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| CN111625102A (en) * | 2020-06-03 | 2020-09-04 | 上海商汤智能科技有限公司 | Building display method and device |
| CN111640184A (en) * | 2020-06-05 | 2020-09-08 | 上海商汤智能科技有限公司 | Ancient building reproduction method, ancient building reproduction device, electronic equipment and storage medium |
| CN113282171A (en) * | 2021-05-14 | 2021-08-20 | 中国海洋大学 | Oracle augmented reality content interaction system, method, equipment and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111625102A (en) * | 2020-06-03 | 2020-09-04 | 上海商汤智能科技有限公司 | Building display method and device |
| CN111640184A (en) * | 2020-06-05 | 2020-09-08 | 上海商汤智能科技有限公司 | Ancient building reproduction method, ancient building reproduction device, electronic equipment and storage medium |
| CN113282171A (en) * | 2021-05-14 | 2021-08-20 | 中国海洋大学 | Oracle augmented reality content interaction system, method, equipment and terminal |
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