CN113256802A - Virtual three-dimensional reconstruction and scene creation method for building - Google Patents
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Abstract
The invention discloses a virtual three-dimensional reconstruction and scene creation method of a building, belonging to the field of three-dimensional graphic design, and the creation method comprises the following specific steps: (1) collecting basic building information and environmental information; (2) the modeling software begins to construct a building model and an environment model; (3) receiving scene information and starting to construct a virtual scene; (4) performing detail optimization on the constructed scene; (5) performing data annotation on the virtual model and generating a related design document; the invention can automatically judge and optimize the harmony of the building, the scene design and the environment, improves the environment harmony with the surrounding environment during the building and scene design, meets the requirement of harmonious development of human and nature, protects the natural environment, saves resources, does not need to manually mark each part of the building by workers, saves the time for the workers to write design documents and improves the working efficiency of the workers.
Description
Technical Field
The invention relates to the field of three-dimensional graphic design, in particular to a virtual three-dimensional reconstruction and scene creation method for a building.
Background
Three-dimensional reconstruction refers to the process of building a mathematical model suitable for computer representation and processing on a three-dimensional object, is the basis of processing, operating and analyzing the properties of the three-dimensional object in a computer environment, and is also a key technology for building virtual reality expressing an objective world in a computer. Since the information of a single video is incomplete, the three-dimensional reconstruction needs to utilize empirical knowledge. The method is characterized in that a camera is calibrated firstly, namely the relation between an image coordinate system of the camera and a world coordinate system is calculated, then three-dimensional information is reconstructed by utilizing information in a plurality of two-dimensional images, along with the continuous development of a three-dimensional reconstruction technology, the robot vision subject group of the institute of automation of academy of sciences in China carries out three-dimensional reconstruction on the ancient Chinese buildings, and meanwhile, the three-dimensional reconstruction technology has very wide application in the fields of city planning, disaster monitoring, communication facility construction, digital cities and the like; therefore, it becomes important to invent a virtual three-dimensional reconstruction and scene creation method for buildings;
through retrieval, Chinese patent No. CN109035412A discloses a virtual three-dimensional reconstruction and scene creation method of a building, although the invention can realize accurate and rapid three-dimensional reconstruction and scene reconstruction of the building, the invention can not judge and optimize the coordination of the building, the design scene and the environment, reduces the environment coordination of the building, the design scene and the surrounding environment, does not meet the requirement of harmonious development of human and nature, and destroys the natural environment; in addition, the virtual three-dimensional reconstruction and the virtual scene of the existing building require workers to manually label each part of the building and store three-dimensional model diagrams with different visual angles, so that the time of the workers is wasted, and the working efficiency of the workers is reduced; therefore, a virtual three-dimensional reconstruction and scene creation method for a building is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a virtual three-dimensional reconstruction and scene creation method for a building.
In order to achieve the purpose, the invention adopts the following technical scheme:
a virtual three-dimensional reconstruction and scene creation method of a building comprises the following specific steps:
(1) collecting basic building information and environmental information: building data and environment data are acquired through manual acquisition or intelligent acquisition equipment, the acquired data are classified, and the classified data are uploaded to a cloud database for storage, wherein the intelligent acquisition equipment is specifically one of an intelligent robot or an unmanned aerial vehicle;
(2) the modeling software begins building a building model and an environment model: the method comprises the following steps that a worker starts modeling software, the modeling software starts to be in communication connection with a cloud database, data stored in the cloud database are searched and called, relevant data are called, and modeling data start to construct a building three-dimensional model and an environment three-dimensional model;
(3) receiving scene information and starting to construct a virtual scene: a user sends scene information, modeling software receives the scene information, starts to construct a scene model and carries out data annotation on the scene model;
(4) and (3) performing detail optimization on the constructed scene: after the scene model is built, intelligent detection is carried out on the building model, the environment model and the scene model, and data optimization is carried out on each detail of the scene model;
(5) performing data annotation on the virtual model and generating a related design document: and after the model optimization is completed, data labeling is carried out on the building model, the environment model and the scene model change position, meanwhile, related design documents are intelligently generated and uploaded to an information database for classified storage.
Further, the data classification in step (1) specifically comprises the following steps:
the method comprises the following steps: carrying out image optimization on the acquired building data and the acquired environment data through image enhancement and mean value filtering;
step two: after the image optimization is completed, classifying the building data according to the building internal data and the building appearance data, and respectively marking the building data as A, B;
step three: and (4) finishing building data classification, integrating and compressing A, B and environment data to generate a compressed file, and uploading the compressed file to a cloud database for storage.
Further, the specific steps of the retrieval and calling in the step (2) are as follows:
the first step is as follows: a worker inputs a required file name M to a retrieval module in modeling software through external input equipment, wherein the external input equipment is specifically one of an electronic pen, a touch screen or an electronic pen;
the second step is that: the retrieval module starts to retrieve data in the cloud database according to the M, performs data comparison, and calls and decompresses the compressed file if the compressed file is consistent with the M;
the third step: and starting to construct a building model and an environment model according to the A, B generated by decompression and the environment data, completing the construction of the model, starting to confirm the position of the building, and splicing the building model and the corresponding position of the environment model.
Further, the data labeling in the step (3) specifically comprises the following steps:
s1: classifying the scene information according to an indoor scene and an outdoor scene, and respectively marking the scene information as a and b;
s2: starting to construct an indoor scene model and an outdoor scene model according to the a and the b, confirming the positions of the two models, completing position confirmation, and starting to splice the two models to the corresponding positions of the building model and the environment model;
s3: and marking the length, height and width information of each part of each spliced group of models.
Further, the data optimization in the step (4) specifically comprises the following steps:
SS 1: completing splicing of the building model, the environment model and the scene model, and starting to construct a design optimizer;
SS 2: the design optimizer starts to detect the environment coordination degree among the building model, the scene model and the environment model, optimizes the part with poor environment coordination and marks the optimized part;
SS 3: and the design optimizer starts to detect the harmony between the building model and the scene model, optimizes the part with poor harmony and marks the optimized part.
Further, the step (5) of classified storage specifically comprises the following steps:
p1: successfully generating a design document, naming the design document by a user through an external input device, finishing naming, and uploading the design document to an information database;
p2: the information database analyzes and judges the initial of the design document name and carries out name matching according to the sequence of letters A-Z;
p3: and after matching is finished, orderly arranging the group of design documents according to the generation time of the design documents.
Compared with the prior art, the invention has the beneficial effects that:
1. the building virtual three-dimensional reconstruction and scene creation method collects enough building information and environment information, starts to construct a building model and an environment model, completes the construction of two models, starts to determine the position of a building, splices the building model at the corresponding position of the environment model, receives scene information uploaded by a user, starts to construct an indoor scene model and an outdoor scene model, confirms the position of the indoor scene model and the outdoor scene model, splices the two models with the building model and the environment model respectively, completes the splicing, starts to construct a design optimizer, detects the environment coordination degree of the design optimizer, optimizes the part with poor coordination, can automatically judge and optimize the coordination of the building, the scene design and the environment, improves the environment coordination of the building and the scene design and the surrounding environment, and meets the requirement of harmonious development of human and nature, the natural environment is protected, and resources are saved;
2. according to the virtual three-dimensional reconstruction and scene creation method for the building, a building model, an environment model, an indoor scene model and an outdoor scene model are spliced, environment harmony of the building model, optimization is achieved, data labeling is carried out on all parts of the model, three-dimensional views at different visual angles are automatically derived, related design documents are automatically generated, workers do not need to manually label all parts of the building, time for the workers to write the design documents is saved, and working efficiency of the workers is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a flow chart of a method for virtual three-dimensional reconstruction and scene creation of a building according to 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, a method for virtual three-dimensional reconstruction and scene creation of a building includes the following steps:
(1) collecting basic building information and environmental information: building data and environmental data are collected through manual collection or intelligent collection equipment, and data classification is carried out to the data that will gather simultaneously to data upload to the high in the clouds database of accomplishing categorised and save, intelligent collection equipment specifically is one of intelligent robot or unmanned aerial vehicle.
The embodiment discloses a data classification method, which specifically has the following working principle: the collected building data and the collected environment data are subjected to image optimization through image enhancement and mean value filtering, the image optimization is completed, the building data are classified according to the building internal data and the building external appearance data, the data are respectively marked as A, B, the building data classification is completed, A, B and the environment data are integrated and compressed to generate a compressed file, and the compressed file is uploaded to a cloud database to be stored.
(2) The modeling software begins building a building model and an environment model: the working personnel starts modeling software, the modeling software starts to be in communication connection with the cloud database, data stored in the cloud database starts to be retrieved and called, related data are called, and the modeling data starts to construct a building three-dimensional model and an environment three-dimensional model.
In the embodiment, the retrieval and calling of the data stored in the cloud database by the modeling software are mainly implemented by receiving a file name M input by a worker through an external input device by a retrieval module in the modeling software, retrieving the data in the cloud database according to the file name M, comparing the data, calling and decompressing the compressed file if the compressed file is consistent with the file name M, building a building model and an environment model according to A, B generated by decompression and environment data, finishing the building model building, confirming the position of a building, and splicing the building model and the corresponding position of the environment model.
Specifically, the external input device disclosed in this embodiment is specifically one of an electronic pen, a touch screen, or an electronic pen.
(3) Receiving scene information and starting to construct a virtual scene: and the user sends the scene information, the modeling software receives the scene information, starts to construct a scene model and carries out data annotation on the scene model.
The embodiment discloses a data labeling method, which specifically comprises the following working principles: the method comprises the steps of classifying scene information according to an indoor scene and an outdoor scene, respectively marking the scene information as a and b, starting to construct an indoor scene model and an outdoor scene model according to the a and the b, confirming the positions of the two groups of models, completing position confirmation, starting to splice the two groups of models to the corresponding positions of a building model and an environment model, and marking length, height and width information of each part of each spliced group of models.
(4) And (3) performing detail optimization on the constructed scene: and after the scene model is built, intelligently detecting the building model, the environment model and the scene model, and optimizing data of each detail of the scene model.
Specifically, the data optimization of the modeling software is performed based on a design optimizer, and the specific working principle is as follows: and completing splicing of the building model, the environment model and the scene model, starting to construct a design optimizer, starting to detect the environment coordination degree between the building model and the scene model as well as between the scene model and the environment model by the design optimizer, optimizing the part with poor environment coordination, marking the optimized part, starting to detect the coordination between the building model and the scene model by the design optimizer, optimizing the part with poor coordination, and marking the optimized part.
(5) Performing data annotation on the virtual model and generating a related design document: and after the model optimization is completed, data labeling is carried out on the building model, the environment model and the scene model change position, meanwhile, related design documents are intelligently generated and uploaded to an information database for classified storage.
The embodiment discloses a classified storage method, which specifically adopts the following working principle: and successfully generating the design document, naming the design document by a user through an external input device, finishing naming, uploading the design document to an information database, analyzing and judging the initial letter of the name of the design document by the information database, performing name matching according to the sequence of letters A-Z, finishing matching, and orderly arranging the group of design documents according to the generation time of the design document.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A virtual three-dimensional reconstruction and scene creation method of a building is characterized by comprising the following specific steps:
(1) collecting basic building information and environmental information: building data and environment data are acquired through manual acquisition or intelligent acquisition equipment, the acquired data are classified, and the classified data are uploaded to a cloud database for storage, wherein the intelligent acquisition equipment is specifically one of an intelligent robot or an unmanned aerial vehicle;
(2) the modeling software begins building a building model and an environment model: the method comprises the following steps that a worker starts modeling software, the modeling software starts to be in communication connection with a cloud database, data stored in the cloud database are searched and called, relevant data are called, and modeling data start to construct a building three-dimensional model and an environment three-dimensional model;
(3) receiving scene information and starting to construct a virtual scene: a user sends scene information, modeling software receives the scene information, starts to construct a scene model and carries out data annotation on the scene model;
(4) and (3) performing detail optimization on the constructed scene: after the scene model is built, intelligent detection is carried out on the building model, the environment model and the scene model, and data optimization is carried out on each detail of the scene model;
(5) performing data annotation on the virtual model and generating a related design document: and after the model optimization is completed, data labeling is carried out on the building model, the environment model and the scene model change position, meanwhile, related design documents are intelligently generated and uploaded to an information database for classified storage.
2. The method for virtual three-dimensional reconstruction and scene creation of a building according to claim 1, wherein the data classification in step (1) specifically comprises the following steps:
the method comprises the following steps: carrying out image optimization on the acquired building data and the acquired environment data through image enhancement and mean value filtering;
step two: after the image optimization is completed, classifying the building data according to the building internal data and the building appearance data, and respectively marking the building data as A, B;
step three: and (4) finishing building data classification, integrating and compressing A, B and environment data to generate a compressed file, and uploading the compressed file to a cloud database for storage.
3. The method for virtual three-dimensional reconstruction and scene creation of a building according to claim 1, wherein the specific steps of the search call in step (2) are as follows:
the first step is as follows: a worker inputs a required file name M to a retrieval module in modeling software through external input equipment, wherein the external input equipment is specifically one of an electronic pen, a touch screen or an electronic pen;
the second step is that: the retrieval module starts to retrieve data in the cloud database according to the M, performs data comparison, and calls and decompresses the compressed file if the compressed file is consistent with the M;
the third step: and starting to construct a building model and an environment model according to the A, B generated by decompression and the environment data, completing the construction of the model, starting to confirm the position of the building, and splicing the building model and the corresponding position of the environment model.
4. The method for virtual three-dimensional reconstruction and scene creation of a building according to claim 1, wherein the data labeling in step (3) specifically comprises the following steps:
s1: classifying the scene information according to an indoor scene and an outdoor scene, and respectively marking the scene information as a and b;
s2: starting to construct an indoor scene model and an outdoor scene model according to the a and the b, confirming the positions of the two models, completing position confirmation, and starting to splice the two models to the corresponding positions of the building model and the environment model;
s3: and marking the length, height and width information of each part of each spliced group of models.
5. The method for virtual three-dimensional reconstruction and scene creation of a building according to claim 1, wherein the data optimization in step (4) specifically comprises the following steps:
SS 1: completing splicing of the building model, the environment model and the scene model, and starting to construct a design optimizer;
SS 2: the design optimizer starts to detect the environment coordination degree among the building model, the scene model and the environment model, optimizes the part with poor environment coordination and marks the optimized part;
SS 3: and the design optimizer starts to detect the harmony between the building model and the scene model, optimizes the part with poor harmony and marks the optimized part.
6. The method for virtual three-dimensional reconstruction and scene creation of a building according to claim 1, wherein the step (5) of classified storage comprises the following specific steps:
p1: successfully generating a design document, naming the design document by a user through an external input device, finishing naming, and uploading the design document to an information database;
p2: the information database analyzes and judges the initial of the design document name and carries out name matching according to the sequence of letters A-Z;
p3: and after matching is finished, orderly arranging the group of design documents according to the generation time of the design documents.
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