CN111640178A - AR technology-based 3D model display method and system for building comprehensive wiring - Google Patents
AR technology-based 3D model display method and system for building comprehensive wiring Download PDFInfo
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- CN111640178A CN111640178A CN202010466578.1A CN202010466578A CN111640178A CN 111640178 A CN111640178 A CN 111640178A CN 202010466578 A CN202010466578 A CN 202010466578A CN 111640178 A CN111640178 A CN 111640178A
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T13/00—Animation
- G06T13/20—3D [Three Dimensional] animation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T13/00—Animation
- G06T13/20—3D [Three Dimensional] animation
- G06T13/205—3D [Three Dimensional] animation driven by audio data
Abstract
The invention discloses a 3D model display method and a system of building comprehensive wiring based on AR technology, wherein the method comprises the following steps: collecting graphic information of a building comprehensive wiring plane drawing; extracting characteristic points of the collected graphic information; establishing a 3D model according to the feature points extracted by the feature extraction module; carrying out augmented reality processing on the graphic information acquired by the graphic acquisition device, and making virtual animation through the corresponding 3D model and related AR animation data in a calling database; and loading the virtual animation to the interactive interface for displaying. The invention can clearly show the building comprehensive wiring through the 3D model, thereby facilitating the management of the building comprehensive wiring.
Description
Technical Field
The invention belongs to the technical field of AR, and particularly relates to a building comprehensive wiring 3D model display method and system based on AR technology.
Background
Augmented Reality (AR) is a technology for seamlessly integrating real world information and virtual world information, and is characterized in that entity information which is difficult to experience in a certain time space range of the real world originally is simulated and superimposed through scientific technologies such as computers, and the virtual information is applied to the real world and is perceived by human senses, so that the sensory experience beyond Reality is achieved.
With the acceleration of urbanization, the number of urban high-rise residences and high-rise office buildings is rapidly expanding. In order to improve the management efficiency of buildings, a building comprehensive wiring mode gradually appears. Networks, wiring and information management in buildings are relatively independent, information transmission among the networks, wiring and information management is limited, reliability and safety performance of the networks and wiring are poor, and comprehensive building wiring is generally complex, so that a certain problem exists in the management of the comprehensive building wiring.
Therefore, how to provide a 3D model display method and system for building integrated wiring based on AR technology is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a 3D model display method and system for building integrated wiring based on AR technology, which can clearly display the building integrated wiring through a 3D model, thereby facilitating management of the building integrated wiring.
In order to achieve the purpose, the invention adopts the following technical scheme:
A3D model display method of building comprehensive wiring based on AR technology comprises the following steps:
s1: collecting graphic information of a building comprehensive wiring plane drawing;
s2: extracting characteristic points of the collected graphic information;
s3: establishing a 3D model according to the feature points extracted by the feature extraction module;
s4: carrying out augmented reality processing on the graphic information acquired by the graphic acquisition device, and making virtual animation through the corresponding 3D model and related AR animation data in a calling database;
s5: and loading the virtual animation to the interactive interface for displaying.
Preferably, the graphic information of the comprehensive wiring plane drawing includes the layout of buildings, floors and rooms, the layout of information points, the layout of distribution frames and the distribution condition of equipment ports.
Preferably, the method further comprises calling the audio materials in the database, and synchronously playing the audio materials when the virtual animation is displayed.
Preferably, the AR animation data and the audio material in the database can be updated as required.
Preferably, the method for extracting feature points from the graphic information in step S2 includes: extracting a required area of a building comprehensive wiring plane drawing based on a gray level histogram binarization method, performing eight-neighborhood judgment on each pixel point of the required area to extract an architecture line of the required area, extending and/or combining the architecture lines to eliminate fracture and skeleton line deformation at the connection of the architecture lines, and performing vectorization processing on the processed architecture lines to generate architecture line data, wherein the architecture line data comprises a starting point coordinate and an end point coordinate of each line segment in the architecture lines.
A building integrated wiring 3D model display system based on AR technology comprises: the system comprises a graph collector, a feature extraction module, a model establishment module, an AR processor and an interactive terminal; wherein the content of the first and second substances,
the graph collector is used for collecting graph information of a building comprehensive wiring plane drawing;
the characteristic extraction module is used for extracting characteristic points of the collected graphic information;
the model establishing module is used for establishing a 3D model according to the feature points extracted by the feature extraction module;
the AR processor is used for performing augmented reality processing on the graphic information acquired by the graphic acquisition unit and making virtual animation through the corresponding 3D model and related AR animation data in the calling database;
and the interactive terminal is connected with the AR processor and is used for loading the virtual animation to the interactive interface for displaying.
Preferably, the method further comprises the following steps: and the data acquisition module is used for acquiring the imported building comprehensive wiring data as a supplementary description of the graphic information acquired by the graphic acquirer.
Preferably, the method further comprises the following steps: and the audio module is used for calling the audio materials in the database and synchronously playing the audio materials when the virtual animation is displayed.
Preferably, the method further comprises the following steps: and the database updating module is used for updating the AR animation data and the audio materials in the database.
Preferably, the method for extracting feature points from the graphic information comprises: extracting a required area of a building comprehensive wiring plane drawing based on a gray level histogram binarization method, performing eight-neighborhood judgment on each pixel point of the required area to extract an architecture line of the required area, extending and/or combining the architecture lines to eliminate fracture and skeleton line deformation at the connection of the architecture lines, and performing vectorization processing on the processed architecture lines to generate architecture line data, wherein the architecture line data comprises a starting point coordinate and an end point coordinate of each line segment in the architecture lines.
The invention has the beneficial effects that:
according to the invention, after the graphic information of the building comprehensive wiring plane drawing is acquired, the characteristic points are extracted, the 3D model is established, and the AR animation is manufactured, the display is carried out through the interactive interface, so that the building comprehensive wiring can be clearly displayed through the 3D model, and the building comprehensive wiring can be conveniently managed.
In addition, when the virtual animation of the object is played, the audio materials can be synchronously played, and the user experience is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart of the method of the present invention.
FIG. 2 is a block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a 3D model display method for building integrated wiring based on AR technology, including the following steps:
s1: collecting graphic information of a building comprehensive wiring plane drawing; the graphic information of the comprehensive wiring plane drawing comprises the layout of buildings, floors and rooms, the layout of information points, the layout of distribution frames and the distribution conditions of equipment ports.
S2: extracting characteristic points of the collected graphic information; the method for extracting the characteristic points of the graphic information comprises the following steps: extracting a required area of a building comprehensive wiring plane drawing based on a gray level histogram binarization method, performing eight-neighborhood judgment on each pixel point of the required area to extract an architecture line of the required area, extending and/or combining the architecture lines to eliminate fracture and skeleton line deformation at the connection of the architecture lines, and performing vectorization processing on the processed architecture lines to generate architecture line data, wherein the architecture line data comprises a starting point coordinate and an end point coordinate of each line segment in the architecture lines.
S3: establishing a 3D model according to the feature points extracted by the feature extraction module, wherein the method comprises the following steps: calling a matched 3D space template from a candidate model library based on the characteristic points of the image information; and generating a 3D model based on the feature points of the image information and the 3D space template.
S4: the method comprises the following steps of carrying out augmented reality processing on the graphic information acquired by the graphic acquisition unit, and making virtual animation through the corresponding 3D model and relevant AR animation data in a calling database, wherein the method comprises the following steps: receiving data: receiving graphic information of a building comprehensive wiring plane drawing uploaded by a requester; animation production: analyzing the extracted key characteristic information, calling various AR animation data prestored in a database, and making virtual use animation; and (3) sending the animation: and issuing the manufactured virtual use animation to a requesting party to finish the manufacturing of the virtual animation.
S5: and loading the virtual animation to the interactive interface for displaying.
The invention also calls the audio materials in the database, synchronously plays the audio materials when displaying the virtual animation, and simultaneously plays the audio materials when playing the virtual animation of the object, thereby having better user experience. AR animation data and audio materials in the database can be updated according to requirements, so that different animation effects can be changed according to the requirements of users, and the experience of the users is further enhanced.
Referring to fig. 2, the present invention further provides a building integrated wiring 3D model display system based on AR technology, including: the system comprises a graph collector, a feature extraction module, a model establishment module, an AR processor and an interactive terminal; wherein the content of the first and second substances,
the graph collector is used for collecting graph information of a building comprehensive wiring plane drawing; the graphic information of the comprehensive wiring plane drawing comprises the layout of buildings, floors and rooms, the layout of information points, the layout of distribution frames and the distribution conditions of equipment ports. The high-definition camera can be selected for use as the figure collector.
The characteristic extraction module is used for extracting characteristic points of the collected graphic information; the method for extracting the characteristic points of the graphic information comprises the following steps: extracting a required area of a building comprehensive wiring plane drawing based on a gray level histogram binarization method, performing eight-neighborhood judgment on each pixel point of the required area to extract an architecture line of the required area, extending and/or combining the architecture lines to eliminate fracture and skeleton line deformation at the connection of the architecture lines, and performing vectorization processing on the processed architecture lines to generate architecture line data, wherein the architecture line data comprises a starting point coordinate and an end point coordinate of each line segment in the architecture lines.
The model building module builds a 3D model according to the feature points extracted by the feature extraction module, and the method comprises the following steps: calling a matched 3D space template from a candidate model library based on the characteristic points of the image information; and generating a 3D model based on the feature points of the image information and the 3D space template.
The AR processor is used for performing augmented reality processing on the graphic information acquired by the graphic acquisition unit and making virtual animation through the corresponding 3D model and related AR animation data in the calling database; the method comprises the following steps: receiving data: receiving graphic information of a building comprehensive wiring plane drawing uploaded by a requester; animation production: analyzing the extracted key characteristic information, calling various AR animation data prestored in a database, and making virtual use animation; and (3) sending the animation: and issuing the manufactured virtual use animation to a requesting party to finish the manufacturing of the virtual animation.
And the interactive terminal is connected with the AR processor and is used for loading the virtual animation to the interactive interface for displaying. The interactive terminal comprises an interactive host, control equipment and a display, wherein the interactive host is controlled by the control equipment, and the virtual animation can be displayed on the display.
In another embodiment, the method further comprises: and the data acquisition module is used for acquiring the imported building comprehensive wiring data as a supplementary description of the graphic information acquired by the graphic acquirer, so that all information of the building comprehensive wiring can be completely expressed.
In another embodiment, the method further comprises: and the audio module is used for calling the audio materials in the database and synchronously playing the audio materials when the virtual animation is displayed. When the virtual animation of the object is played, the audio materials can be synchronously played, and the user experience is better.
In another embodiment, the method further comprises: and the database updating module is used for updating the AR animation data and the audio materials in the database, so that different animation effects can be changed according to the requirements of the user, and the experience of the user is further enhanced.
According to the invention, after the graphic information of the building comprehensive wiring plane drawing is acquired, the characteristic points are extracted, the 3D model is established, and the AR animation is manufactured, the display is carried out through the interactive interface, so that the building comprehensive wiring can be clearly displayed through the 3D model, and the building comprehensive wiring can be conveniently managed.
In addition, when the virtual animation of the object is played, the audio materials can be synchronously played, and the user experience is better.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A3D model display method of building comprehensive wiring based on AR technology is characterized by comprising the following steps:
s1: collecting graphic information of a building comprehensive wiring plane drawing;
s2: extracting characteristic points of the collected graphic information;
s3: establishing a 3D model according to the feature points extracted by the feature extraction module;
s4: carrying out augmented reality processing on the graphic information acquired by the graphic acquisition device, and making virtual animation through the corresponding 3D model and related AR animation data in a calling database;
s5: and loading the virtual animation to the interactive interface for displaying.
2. The AR technology-based 3D model display method for building integrated wiring of claim 1, wherein the graphic information of the integrated wiring plan drawing includes the layout of buildings, floors and rooms, the layout of information points, the layout of distribution frames and the distribution of equipment ports.
3. The AR technology-based 3D model display method for building integrated wiring of claim 1, further comprising calling audio materials in the database and playing the audio materials synchronously when displaying the virtual animation.
4. The AR technology-based 3D model display method for building integrated wiring of claim 3, wherein the AR animation data and the audio materials in the database can be updated according to the requirements.
5. The AR technology-based 3D model display method for building integrated wiring as claimed in claim 1, wherein the method for extracting feature points from the graphic information in step S2 comprises: extracting a required area of a building comprehensive wiring plane drawing based on a gray level histogram binarization method, performing eight-neighborhood judgment on each pixel point of the required area to extract an architecture line of the required area, extending and/or combining the architecture lines to eliminate fracture and skeleton line deformation at the connection of the architecture lines, and performing vectorization processing on the processed architecture lines to generate architecture line data, wherein the architecture line data comprises a starting point coordinate and an end point coordinate of each line segment in the architecture lines.
6. A building integrated cabling 3D model display system based on AR technology, comprising: the system comprises a graph collector, a feature extraction module, a model establishment module, an AR processor and an interactive terminal; wherein the content of the first and second substances,
the graph collector is used for collecting graph information of a building comprehensive wiring plane drawing;
the characteristic extraction module is used for extracting characteristic points of the collected graphic information;
the model establishing module is used for establishing a 3D model according to the feature points extracted by the feature extraction module;
the AR processor is used for performing augmented reality processing on the graphic information acquired by the graphic acquisition unit and making virtual animation through the corresponding 3D model and related AR animation data in the calling database;
and the interactive terminal is connected with the AR processor and is used for loading the virtual animation to the interactive interface for displaying.
7. The AR technology-based 3D model display system for building integrated wiring of claim 6, further comprising: and the data acquisition module is used for acquiring the imported building comprehensive wiring data as a supplementary description of the graphic information acquired by the graphic acquirer.
8. The AR technology-based 3D model display system for building integrated wiring of claim 6, further comprising: and the audio module is used for calling the audio materials in the database and synchronously playing the audio materials when the virtual animation is displayed.
9. The AR technology based 3D model display system for building complex wiring of claim 8, further comprising: and the database updating module is used for updating the AR animation data and the audio materials in the database.
10. The AR technology-based 3D model display system for building comprehensive wiring according to claim 6, wherein the method for extracting the feature points of the graphic information comprises the following steps: extracting a required area of a building comprehensive wiring plane drawing based on a gray level histogram binarization method, performing eight-neighborhood judgment on each pixel point of the required area to extract an architecture line of the required area, extending and/or combining the architecture lines to eliminate fracture and skeleton line deformation at the connection of the architecture lines, and performing vectorization processing on the processed architecture lines to generate architecture line data, wherein the architecture line data comprises a starting point coordinate and an end point coordinate of each line segment in the architecture lines.
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| CN202010466578.1A CN111640178A (en) | 2020-05-27 | 2020-05-27 | AR technology-based 3D model display method and system for building comprehensive wiring |
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| CN202010466578.1A CN111640178A (en) | 2020-05-27 | 2020-05-27 | AR technology-based 3D model display method and system for building comprehensive wiring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113256802A (en) * | 2021-06-17 | 2021-08-13 | 中山大学 | Virtual three-dimensional reconstruction and scene creation method for building |
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| CN106600669A (en) * | 2016-12-22 | 2017-04-26 | 郑州正电电子技术有限公司 | Device based on variable-color fluorescent drawing board and augmented reality, and operation method |
| CN110189402A (en) * | 2019-05-22 | 2019-08-30 | 武汉尺子科技有限公司 | A kind of floor plan three-dimensional display method, medium, equipment and device based on AR |
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