CN115423949A - Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model - Google Patents

Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model Download PDF

Info

Publication number
CN115423949A
CN115423949A CN202211381264.7A CN202211381264A CN115423949A CN 115423949 A CN115423949 A CN 115423949A CN 202211381264 A CN202211381264 A CN 202211381264A CN 115423949 A CN115423949 A CN 115423949A
Authority
CN
China
Prior art keywords
perspective
space
dimensional model
data
spatial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202211381264.7A
Other languages
Chinese (zh)
Other versions
CN115423949B (en
Inventor
王涛
孙玲慧
王殿军
吴忠洋
王冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Jerei Digital Technology Co Ltd
Original Assignee
Shandong Jerei Digital Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Jerei Digital Technology Co Ltd filed Critical Shandong Jerei Digital Technology Co Ltd
Priority to CN202211381264.7A priority Critical patent/CN115423949B/en
Publication of CN115423949A publication Critical patent/CN115423949A/en
Application granted granted Critical
Publication of CN115423949B publication Critical patent/CN115423949B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00Manipulating 3D models or images for computer graphics
    • G06T19/006Mixed reality
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30Computing systems specially adapted for manufacturing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Graphics (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)

Abstract

The invention provides a three-dimensional engine-based measuring method and system for a space image conversion three-dimensional model, and belongs to the technical field of vision measurement. According to the method, after the spatial stereo data of the acquired spatial visual image is extracted, a spatial full perspective distance network of three-dimensional model software is created to serve as a first perspective, then the outline data and the azimuth information of the spatial visual image are measured, the perspective distance network of the spatial three-dimensional model is established based on the outline data and the azimuth information to serve as a second perspective, then the first perspective and the second perspective of the target are performed to obtain the target file, finally, the spatial stereo data of the target file and the spatial visual image are fused to obtain the measurement result, and the problem that the spatial visual image is difficult to restore in a virtual scene of the three-dimensional model software under the conditions that the perspective alignment scale of the spatial visual image cannot be obtained, the three-dimensional model data information is insufficient and the like in the prior art can be solved.

Description

Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model
Technical Field
The invention relates to the technical field of vision measurement, in particular to a method and a system for measuring a space image conversion three-dimensional model based on a three-dimensional engine.
Background
Three-dimensional engine three-dimensional model software is widely applied to the fields of environments such as architectural design, space design and the like and architectural design industry. In three-dimensional modeling software, the visual effect of three-dimensional modeling is usually presented by model scene construction according to accurate drawings and parameters. However, without specific dimensions, it is difficult to graphically analyze a known predetermined spatial visual image, and to accurately restore the spatial stereoscopic impression in the image to a three-dimensional model, thereby forming a spatial design image with accurate proportion and strong stereoscopic impression of the scene space. The prior art is difficult to control the size and the proportion of a scene and too depends on the experience of operators, so that the problem of the restoration of a space visual image in a three-dimensional model software virtual scene in the three-dimensional model software virtual scene is difficult to solve, and the problems of difficult user improvement, poor user experience and the like are caused.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a measuring method and a measuring system for converting a space image into a three-dimensional model based on a three-dimensional engine.
In order to achieve the purpose, the invention provides the following scheme:
a measuring method for converting a three-dimensional model into a space image based on a three-dimensional engine comprises the following steps:
acquiring a spatial visual image, and extracting spatial stereo data of the spatial visual image;
creating a space full perspective distance net of three-dimensional model software as a first perspective;
measuring the contour data and the azimuth information of the space visual image, and establishing a perspective distance network of a space three-dimensional model as a second perspective based on the contour data and the azimuth information;
the first perspective and the second perspective are aligned to obtain an aligned file;
and fusing the spatial stereo data of the benchmarking file and the spatial visual image to obtain a measurement result.
Preferably, the acquiring a spatial visual image and extracting spatial stereo data of the spatial visual image specifically include:
building a data measurement platform plug-in unit of a space full perspective distance, and collecting the acquired data of the space visual image and the perspective relation among the data by adopting the data measurement platform plug-in unit to obtain perspective data;
and performing data analysis on the space vision image by adopting a data analyzer to obtain analysis data, acquiring the perspective data, the analysis data and the three-dimensional model data in a continuous mode, and storing the acquired data into a basic program analysis file of three-dimensional model software.
Preferably, the method further comprises the following steps:
and establishing a correlation information table among the first perspective, the second perspective and the spatial stereo data corresponding to the spatial visual image, and storing the correlation information table in a program database unit of three-dimensional stereo model software.
Preferably, the process of building the data measurement platform plug-in for the space full perspective distance comprises the following steps:
establishing a three-dimensional model space pair scale perspective network by adopting a three-dimensional model software graphical program interface, and establishing outline data of a space visual image and a perspective relation scale grid in the three-dimensional model space pair scale perspective network;
creating a virtual scale in a three-dimensional space of three-dimensional model software, and calibrating a visual point, a perspective relation line and a relation between space visual image analysis data and a virtual ground of the three-dimensional model software of a user in a space visual image;
and calibrating the conversion relation between the three-dimensional space and the actual size.
Preferably, the process of calibrating the visual points, the perspective relation lines and the relation between the analysis data of the spatial visual image and the virtual ground of the three-dimensional stereo model software of the user in the spatial visual image comprises the following steps:
drawing a perspective relation line in a virtual scene of three-dimensional model software; the perspective relation direction when drawing the perspective relation line is consistent with the extending direction of the perspective data direction displayed by the space stereo data of the space visual image;
adjusting the heights of the virtual ground and space visual images of the three-dimensional model software and the viewpoint of the user in the space of the three-dimensional model, and further adjusting the perspective line relation in the virtual scene of the three-dimensional model software when the perspective line of the virtual ground and the perspective line of the space visual image are drawn from the visual point of the user to be parallel;
when the perspective line in the three-dimensional model software scene completely coincides with the perspective line in the space visual image, the perspective relation calibration is completed, and the relation between the visual point of the user, the perspective relation line and the space visual image analysis data and the virtual ground of the three-dimensional model software is determined.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a measuring method for converting a three-dimensional model of a space image based on a three-dimensional engine, which comprises the steps of extracting space stereo data of an acquired space visual image, then creating a space full perspective distance network of three-dimensional model software as a first perspective, then measuring outline data and azimuth information of the space visual image, establishing a perspective distance network of the space three-dimensional model based on the outline data and the azimuth information as a second perspective, then carrying out first perspective and second perspective on a target to obtain a target file, and finally fusing the target file and the space stereo data of the space visual image to obtain a measuring result.
The invention also provides a measuring system of the space image conversion three-dimensional model based on the three-dimensional engine, which comprises:
the image collector is used for collecting a space visual image;
a memory storing a computer software program; the computer software program is used for executing the measuring method of the space image conversion three-dimensional model based on the three-dimensional engine provided by the invention;
and the processor is connected with the memory and the image collector and used for calling and executing the computer software program to obtain a measurement result of the space visual image.
Preferably, the processor comprises:
the data acquisition-extraction module is used for acquiring a spatial visual image and extracting spatial stereo data of the spatial visual image;
the first perspective creation module is used for creating a space full perspective distance net of three-dimensional model software as a first perspective;
the second perspective creation module is used for measuring the contour data and the azimuth information of the space visual image and establishing a perspective distance network of a space three-dimensional model based on the contour data and the azimuth information to serve as a second perspective;
the perspective benchmarking module is used for benchmarking the first perspective and the second perspective to obtain a benchmarking file;
and the measuring module is used for fusing the benchmarking file and the spatial stereo data of the spatial visual image to obtain a measuring result.
Preferably, the memory is a computer-readable storage medium.
The technical effect of the measuring system for converting the space image into the three-dimensional model based on the three-dimensional engine provided by the invention is the same as that of the measuring method for converting the space image into the three-dimensional model based on the three-dimensional engine provided by the invention, so that the description is not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a flow chart of a measuring method of a three-dimensional model based on spatial image transformation of a three-dimensional engine according to the present invention;
fig. 2 is a schematic diagram of plane image information presented by a three-dimensional stereo model of a spatial visual image acquisition point according to an embodiment of the present invention;
FIG. 3 is a schematic perspective punctuation diagram for creating perspective information of a spatial visual image in a virtual scene of three-dimensional model software on a computer according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a fusion result of a space vision image and a perspective view provided by an embodiment of the present invention;
FIG. 5 is a perspective view of an embodiment of the present invention illustrating position;
fig. 6 is a schematic structural diagram of a measurement system for converting a three-dimensional model into a spatial image based on a three-dimensional engine 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. 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.
The invention aims to provide a measuring method for converting a space image into a three-dimensional model based on a three-dimensional engine, which can solve the problem that the space visual image is difficult to restore in a three-dimensional model software virtual scene under the conditions that a perspective pair scale of the space visual image cannot be obtained, the three-dimensional model data information is insufficient and the like in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIG. 1, the method for measuring a three-dimensional model by converting a space image based on a three-dimensional engine provided by the invention comprises the following steps:
step 100: and acquiring the space visual image, and extracting space three-dimensional data of the space visual image.
Step 101: a spatial full perspective distance mesh of three-dimensional model software is created as a first perspective.
Step 102: and measuring the contour data and the azimuth information of the space vision image, and establishing a perspective distance network of the space three-dimensional model as a second perspective based on the contour data and the azimuth information.
Step 103: and carrying out first perspective and second perspective on the benchmarks to obtain the benchmarks file.
Step 104: and fusing the spatial stereo data of the benchmarking file and the spatial visual image to obtain a measurement result.
In order to improve the real-time performance of data processing, the method for measuring a three-dimensional model by converting a spatial image based on a three-dimensional engine further comprises:
and establishing a first perspective, a second perspective and an associated information table among the spatial stereo data corresponding to the spatial visual image, and storing the associated information table in a program database unit of three-dimensional model software.
Further, in order to improve the accuracy and real-time performance of data processing, the implementation process of the step 100 provided above further includes:
the method specifically comprises the following steps: and constructing a data measurement platform plug-in based on the spatial full perspective distance of the three-dimensional engine, and collecting the acquired data of the spatial visual image and the perspective relation between the data by adopting the data measurement platform plug-in to obtain perspective data. And performing data analysis on the space vision image by adopting a data analyzer to obtain analysis data, acquiring perspective data, the analysis data and three-dimensional model data in a continuous mode, and storing the acquired data into a basic program analysis file of three-dimensional model software.
Wherein, the process of setting up the data measurement platform plug-in of the full perspective distance in space includes:
and establishing a three-dimensional model space pair scale perspective network by adopting a three-dimensional model software graphical program interface, and establishing outline data of a space visual image and a perspective relation scale grid in the three-dimensional model space pair scale perspective network.
And establishing a virtual scale in a three-dimensional space of the three-dimensional model software, and calibrating a visual point, a perspective relation line and a relation between the analysis data of the space visual image and the virtual ground of the three-dimensional model software in the space visual image. The implementation process of creating a perspective pair scale in a three-dimensional space of three-dimensional model software and displaying an obtained pair scale size relation of a three-dimensional model in a virtual scene of the three-dimensional model software comprises the following steps: firstly, a perspective pair ruler scene is established in a three-dimensional model software scene according to a space visual image. And then mapping the actual three-dimensional model data acquired from the space visual image to a three-dimensional model software virtual scene by using a three-dimensional model software graphical program interface texture to obtain an actual perspective pair ruler of the three-dimensional model software scene.
And calibrating the conversion relation between the three-dimensional space and the actual size.
Further, the process of calibrating the visual points and the perspective relation lines of the users in the spatial visual images and the relation between the spatial visual image analysis data and the virtual ground of the three-dimensional model software comprises the following steps:
and drawing a perspective relation line in a virtual scene of three-dimensional model software. The perspective relation direction when drawing the perspective relation line coincides with the extending direction of the perspective data direction of the spatial stereoscopic data display of the spatial visual image.
And adjusting the height of the virtual ground and space visual images of the three-dimensional model software and the user viewpoint in the three-dimensional model space, and further adjusting the perspective line relation in the virtual scene of the three-dimensional model software when the perspective line of the virtual ground and the perspective line of the space visual images are drawn from the user visual point to be parallel.
When the perspective line in the three-dimensional model software scene completely coincides with the perspective line in the space visual image, the perspective relation calibration is completed, and the relation between the visual point of the user, the perspective relation line and the space visual image analysis data and the virtual ground of the three-dimensional model software is determined.
Based on the description, the invention combines the space visual image with the perspective pair scale technology based on the three-dimensional model, so that a user can accurately master the whole proportion and data analysis of the space visual image in three-dimensional model software, and accurate mapping of any position in space is realized, and a novel and efficient solution is provided for the fields of buildings, environments, spaces and the like which need accurate mapping of the space visual image.
The following will exemplify a specific implementation process of the above-mentioned measurement method for converting a three-dimensional model into a space image based on a three-dimensional engine, taking the measurement of plane image information as shown in fig. 2 as an example.
Example one
The specific implementation process of the measurement method for converting the three-dimensional model into the spatial image based on the three-dimensional engine provided by the embodiment is as follows:
step 1, acquiring perspective data information and model data information in the space visual image and recording plane image information presented by a three-dimensional model of a space visual image acquisition point by the acquired space visual image, as shown in fig. 2. The obtained space vision image is of a standard regular structure, and a perspective view can be clearly extracted from the image.
Step 2, importing the image into software, and placing the templated perspective on the image, as indicated by the black bold line in fig. 3, wherein each cell represents a unit length. Specifically, after the image is imported into the software, perspective landmark points of the perspective information of the space visual image are created in a virtual scene of three-dimensional model software on a computer by referring to the vanishing point position and the space composition proportion of the parallel perspective of the image.
And 3, adjusting the visual angle position of the perspective view to ensure that the perspective view is attached to the space visual image, as shown in fig. 4. Specifically, the spatial relationship in the spatial visual image and the contour information of the three-dimensional model are measured, and a perspective alignment mark line is established in the virtual scene of the three-dimensional model software, namely, the xyz-axis and the spatial perspective vanishing point are compared and superposed on the reference image information by inserting the coordinate point of the spatial image information.
And 4, fixing a perspective view, namely the mapping position of the image in the space.
And 5, marking the positions (namely line segments) in the perspective view, such as (1), (2) and (3) in the figure 5.
And 6, setting the measurement length of each square grid as a, wherein a line segment (1) in the graph 5 is formed by 4 unit lengths. For convenience of calculation and comparison, the actual length of the measurement unit a is manually specified, and according to common knowledge, as shown in fig. 4, the line segment (1) is composed of 4 a, and if a =1, the length of the line segment (1) is 4 meters.
And 7, according to the perspective relation, the software can automatically calculate the test units of the outlet sections (2) and (3), such as: 6a and 5a, when a =1, the length of the corresponding line segment (2) (3) is: 6 meters and 5 meters.
Example two
The flow structure of the measuring method for converting the space image into the three-dimensional model based on the three-dimensional engine, which is provided by the invention, comprises the following steps: the system comprises a space vision image analysis program, a data acquisition control program, a three-dimensional model software graphic program and a data analysis manager. The data analysis manager includes a data storage unit.
Step 1, adopting a space visual image analysis program to collect perspective data information and model data information in a space visual image and recording plane image information presented by a three-dimensional model of a space visual image collection point, as shown in fig. 2.
And 2, creating perspective punctuations of perspective information of the space visual image in a virtual scene of three-dimensional model software on a computer by referring to the vanishing point position and the space composition proportion of the parallel perspective of the image, as shown in fig. 3.
Specifically, a three-dimensional software measuring program is operated by dragging a picture to be measured into the three-dimensional software through a three-dimensional model software graphical program processing interface, the software can automatically identify a structural line in the picture so as to establish a perspective relation of the three-dimensional model, and a pair of scaleplates are simulated and displayed in a virtual scene of the three-dimensional model software. If the structural line is not identified, the XYZ axes in the software can be automatically established after being manually modified.
The method comprises the steps of automatically creating a scene file through a software instruction in a three-dimensional model software virtual space to create a new model, dragging a two-dimensional visual picture in the newly created virtual scene, operating a measurement data program, identifying a structure line in the picture to create an XYZ coordinate line, manually locating the coordinate axis of the program if the structure line cannot be identified, creating the virtual scene after manual confirmation, and calibrating the relation among a user visual point, a perspective calibration grid of a space visual image and the outline information data of the three-dimensional model.
And calibrating the conversion relation between the virtual scene of the three-dimensional model software and the space visual image.
And 3, measuring the spatial relationship in the spatial visual image and the contour information of the three-dimensional model, and establishing perspective alignment lines in the virtual scene of the three-dimensional model software, namely comparing and superposing the xyz axis and the spatial perspective vanishing point on the reference image information by inserting coordinate points of the spatial image information, as shown in fig. 4.
And 4, importing the compared perspective alignment lines into a three-dimensional model software graphic program.
And step 5, organically fusing perspective relation of the outline data of the three-dimensional model of the scene and the space visual image to the scale, so as to realize the three-dimensional measurement establishment of the perspective relation line in the virtual scene of the three-dimensional model software, as shown in fig. 5.
The method for acquiring the perspective relation line of the space visual image and the contour data of the three-dimensional model by adopting the data acquisition control program comprises the following steps of: and (3) building a space visual image perspective pair scale acquisition platform, and acquiring the outline information of the three-dimensional space model and the actual coordinate line in the virtual scene of the three-dimensional space model software.
And continuously storing the perspective data information of the space visual image and the outline information data of the three-dimensional model corresponding to the data information in a data acquisition control program, storing the perspective data information and the outline information data of the three-dimensional model into a data storage unit in a data analysis manager, establishing a relation table between the perspective pair scale of the stored space visual image and the outline information of the corresponding three-dimensional model in the data storage unit, and storing the relation table in a data unit library.
The invention adopts the prior measurement technology to measure the outline information of the three-dimensional model in the space vision image and establish the space data information of the perspective pair scale in the virtual scene of the three-dimensional model software, and projects the scene perspective information in the space vision image and the outline information of the three-dimensional model into the virtual scene of the three-dimensional model software to realize the combination of the space vision image and the three-dimensional model information based on image measurement, thereby establishing the space pair scale in the virtual scene of the three-dimensional model software after the data analysis of the space vision image data in the graphic processor of the three-dimensional model software, and enabling a user to accurately draw the scene for the scale according to the perspective relationship in the virtual scene of the three-dimensional model software.
In addition, the present invention also provides a measuring system for converting a three-dimensional model into a spatial image based on a three-dimensional engine, as shown in fig. 6, the system includes:
the image collector 1 is used for collecting space visual images.
The memory 2 stores a computer software program. The computer software program is used for executing the measuring method of the three-dimensional engine-based space image conversion three-dimensional model provided by the invention. The memory 2 may be a computer-readable storage medium.
And the processor 3 is connected with the memory and the image collector and is used for calling and executing a computer software program to obtain a measurement result of the space vision image.
Wherein, the processor 3 provided by the invention comprises:
and the data acquisition-extraction module is used for acquiring the space visual image and extracting the space three-dimensional data of the space visual image.
And the first perspective creation module is used for creating a space full perspective distance net of the three-dimensional model software as a first perspective.
And the second perspective creation module is used for measuring the contour data and the azimuth information of the space visual image and establishing a perspective distance network of the space three-dimensional model based on the contour data and the azimuth information as a second perspective.
And the perspective benchmarking module is used for performing first perspective and second perspective on the benchmarks to obtain a benchmarking file.
And the measuring module is used for fusing the spatial stereo data of the benchmarking file and the spatial visual image to obtain a measuring result.
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. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (8)

1. A measuring method for converting a three-dimensional model into a space image based on a three-dimensional engine is characterized by comprising the following steps:
acquiring a spatial visual image, and extracting spatial stereo data of the spatial visual image;
creating a space full perspective distance net of three-dimensional model software as a first perspective;
measuring the contour data and the azimuth information of the space visual image, and establishing a perspective distance network of a space three-dimensional model as a second perspective based on the contour data and the azimuth information;
the first perspective and the second perspective are aligned to obtain an aligned file;
and fusing the spatial stereo data of the benchmarking file and the spatial visual image to obtain a measurement result.
2. The method for measuring the three-dimensional model based on the spatial image transformation of the three-dimensional engine according to claim 1, wherein the obtaining the spatial visual image and extracting the spatial stereo data of the spatial visual image specifically comprises:
building a data measurement platform plug-in unit of a space full perspective distance, and collecting the acquired data of the space visual image and the perspective relation among the data by adopting the data measurement platform plug-in unit to obtain perspective data;
and performing data analysis on the space vision image by adopting a data analyzer to obtain analysis data, acquiring the perspective data, the analysis data and the three-dimensional model data in a continuous mode, and storing the acquired data into a basic program analysis file of three-dimensional model software.
3. The method for measuring three-dimensional model based on spatial image transformation of three-dimensional engine of claim 2, further comprising:
and establishing a correlation information table among the first perspective, the second perspective and the spatial stereo data corresponding to the spatial visual image, and storing the correlation information table in a program database unit of three-dimensional stereo model software.
4. The method for measuring the spatial image conversion three-dimensional model based on the three-dimensional engine as claimed in claim 2, wherein the process of building the data measurement platform plug-in of the spatial full perspective distance comprises the following steps:
establishing a three-dimensional model space pair ruler perspective network by adopting a three-dimensional model software graphic program interface, and establishing outline data of a space visual image and a perspective relation ruler grid in the three-dimensional model space pair ruler perspective network;
creating a virtual scale in a three-dimensional space of three-dimensional model software, and calibrating a visual point, a perspective relation line and a relation between space visual image analysis data and a virtual ground of the three-dimensional model software of a user in a space visual image;
and calibrating the conversion relation between the three-dimensional space and the actual size.
5. The method for measuring three-dimensional engine-based space image transformation three-dimensional model according to claim 4, wherein the process of calibrating the visual points of the users in the space visual image, the perspective relation lines and the relation between the space visual image analysis data and the virtual ground of the three-dimensional model software comprises:
drawing a perspective relation line in a virtual scene of three-dimensional model software; the perspective relation direction when drawing the perspective relation line is consistent with the extending direction of the perspective data direction displayed by the space stereo data of the space visual image;
adjusting the heights of the virtual ground and space visual images of the three-dimensional model software and the viewpoint of the user in the space of the three-dimensional model, and further adjusting the perspective line relation in the virtual scene of the three-dimensional model software when the perspective line of the virtual ground and the perspective line of the space visual image are drawn from the visual point of the user to be parallel;
when the perspective line in the three-dimensional model software scene completely coincides with the perspective line in the space visual image, the perspective relation calibration is completed, and the relation between the visual point of the user, the perspective relation line and the space visual image analysis data and the virtual ground of the three-dimensional model software is determined.
6. A measurement system for converting a three-dimensional model into a spatial image based on a three-dimensional engine is characterized by comprising:
the image collector is used for collecting a space visual image;
a memory storing a computer software program; the computer software program is used for executing the measuring method of the three-dimensional engine-based space image conversion three-dimensional model according to any one of claims 1 to 5;
and the processor is connected with the memory and the image collector and used for calling and executing the computer software program to obtain a measurement result of the space visual image.
7. The system of claim 6, wherein the processor comprises:
the data acquisition-extraction module is used for acquiring a spatial visual image and extracting spatial stereo data of the spatial visual image;
the first perspective creation module is used for creating a space full perspective distance net of three-dimensional model software as a first perspective;
the second perspective creation module is used for measuring the contour data and the azimuth information of the space visual image and establishing a perspective distance network of a space three-dimensional model based on the contour data and the azimuth information to serve as a second perspective;
the perspective benchmarking module is used for benchmarking the first perspective and the second perspective to obtain a benchmarking file;
and the measuring module is used for fusing the calibration file and the spatial stereo data of the spatial visual image to obtain a measuring result.
8. The system for measuring three-dimensional engine-based spatial image transformation three-dimensional model according to claim 6, wherein the memory is a computer-readable storage medium.
CN202211381264.7A 2022-11-07 2022-11-07 Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model Active CN115423949B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211381264.7A CN115423949B (en) 2022-11-07 2022-11-07 Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211381264.7A CN115423949B (en) 2022-11-07 2022-11-07 Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model

Publications (2)

Publication Number Publication Date
CN115423949A true CN115423949A (en) 2022-12-02
CN115423949B CN115423949B (en) 2023-04-11

Family

ID=84208174

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211381264.7A Active CN115423949B (en) 2022-11-07 2022-11-07 Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model

Country Status (1)

Country Link
CN (1) CN115423949B (en)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052916A (en) * 2009-11-04 2011-05-11 沈阳隆惠科技有限公司 Method for three-dimensional measurement of panoramic real scenes
US20120026158A1 (en) * 2010-02-05 2012-02-02 Sony Computer Entertainment Inc. Three-dimensional image generation device, three-dimensional image generation method, and information storage medium
US20130033596A1 (en) * 2011-08-03 2013-02-07 The Boeing Company Projection aided feature measurement using uncalibrated camera
CN104731343A (en) * 2015-04-14 2015-06-24 上海云富网络科技有限公司 Virtual reality man-machine interaction children education experience system based on mobile terminal
JP2015228605A (en) * 2014-06-02 2015-12-17 アクリーグ株式会社 Digital camera, feature photography system and feature photography method
CN106710362A (en) * 2016-11-30 2017-05-24 中航华东光电(上海)有限公司 Flight training method implemented by using virtual reality equipment
CN107341834A (en) * 2017-08-04 2017-11-10 追光人动画设计(北京)有限公司 A kind of full-view stereo bearing calibration for keeping binocular parallax and system
CA3052869A1 (en) * 2017-02-17 2018-08-23 Nz Technologies Inc. Methods and systems for touchless control of surgical environment
CN110062216A (en) * 2019-04-18 2019-07-26 北京森焱精创科技有限公司 Outdoor scene exchange method, system, computer equipment and storage medium
CN111340960A (en) * 2020-02-21 2020-06-26 当家移动绿色互联网技术集团有限公司 Image modeling method and device, storage medium and electronic equipment
CN111815787A (en) * 2020-07-13 2020-10-23 北京优锘科技有限公司 Three-dimensional digital plan making system and method for petrochemical enterprises
CN112150575A (en) * 2020-10-30 2020-12-29 深圳市优必选科技股份有限公司 Scene data acquisition method, model training method, device and computer equipment
CN114022349A (en) * 2021-11-03 2022-02-08 郑州森源新能源科技有限公司 Perspective projection-based plane image processing method and device
CN114279325A (en) * 2021-12-16 2022-04-05 天津大学 System and method for calibrating spatial position relationship of vision measurement module measurement coordinate system
CN114500970A (en) * 2020-11-13 2022-05-13 聚好看科技股份有限公司 Panoramic video image processing and displaying method and device

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052916A (en) * 2009-11-04 2011-05-11 沈阳隆惠科技有限公司 Method for three-dimensional measurement of panoramic real scenes
US20120026158A1 (en) * 2010-02-05 2012-02-02 Sony Computer Entertainment Inc. Three-dimensional image generation device, three-dimensional image generation method, and information storage medium
US20130033596A1 (en) * 2011-08-03 2013-02-07 The Boeing Company Projection aided feature measurement using uncalibrated camera
JP2015228605A (en) * 2014-06-02 2015-12-17 アクリーグ株式会社 Digital camera, feature photography system and feature photography method
CN104731343A (en) * 2015-04-14 2015-06-24 上海云富网络科技有限公司 Virtual reality man-machine interaction children education experience system based on mobile terminal
CN106710362A (en) * 2016-11-30 2017-05-24 中航华东光电(上海)有限公司 Flight training method implemented by using virtual reality equipment
CA3052869A1 (en) * 2017-02-17 2018-08-23 Nz Technologies Inc. Methods and systems for touchless control of surgical environment
CN107341834A (en) * 2017-08-04 2017-11-10 追光人动画设计(北京)有限公司 A kind of full-view stereo bearing calibration for keeping binocular parallax and system
CN110062216A (en) * 2019-04-18 2019-07-26 北京森焱精创科技有限公司 Outdoor scene exchange method, system, computer equipment and storage medium
CN111340960A (en) * 2020-02-21 2020-06-26 当家移动绿色互联网技术集团有限公司 Image modeling method and device, storage medium and electronic equipment
CN111815787A (en) * 2020-07-13 2020-10-23 北京优锘科技有限公司 Three-dimensional digital plan making system and method for petrochemical enterprises
CN112150575A (en) * 2020-10-30 2020-12-29 深圳市优必选科技股份有限公司 Scene data acquisition method, model training method, device and computer equipment
CN114500970A (en) * 2020-11-13 2022-05-13 聚好看科技股份有限公司 Panoramic video image processing and displaying method and device
CN114022349A (en) * 2021-11-03 2022-02-08 郑州森源新能源科技有限公司 Perspective projection-based plane image processing method and device
CN114279325A (en) * 2021-12-16 2022-04-05 天津大学 System and method for calibrating spatial position relationship of vision measurement module measurement coordinate system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
QIAOHUI LIU 等: "Smooth Stitching Method of VR Panoramic Image Based on Improved SIFT Algorithm", 《EPCE "22: PROCEEDINGS OF THE ASIA CONFERENCE ON ELECTRICAL, POWER AND COMPUTER ENGINEERING》 *
刘猛 等: "多站全景图像犯罪现场三维模型纹理生成方法研究", 《激光与光电子学进展》 *
王涛 等: "应用三维全景虚拟现实技术在虚拟展馆构建中的初步探索", 《科学技术创新》 *

Also Published As

Publication number Publication date
CN115423949B (en) 2023-04-11

Similar Documents

Publication Publication Date Title
CN107093206B (en) Method for rapid BIM modeling by using 3D laser scanning technology
CN106127771B (en) Tunnel orthography system and method is obtained based on laser radar LIDAR point cloud datas
US7133551B2 (en) Semi-automatic reconstruction method of 3-D building models using building outline segments
CN105045950B (en) A kind of bridge security assessment system based on 3 D laser scanning
CN110322564B (en) Three-dimensional model construction method suitable for VR/AR transformer substation operation environment
CN109685886A (en) A kind of distribution three-dimensional scenic modeling method based on mixed reality technology
CN109559381B (en) Transformer substation acceptance method based on AR space measurement technology
CN110533768B (en) Simulated traffic scene generation method and system
CN105550428A (en) Bridge security evaluation method based on TLS (three-dimensional laser scanning) technique
CN107729582A (en) Component defect inspection and forecasting system based on TLS
CN112528379A (en) Building model generation method and device and electronic equipment
CN206741555U (en) The house type 3D modeling system of indoor 3D scannings based on more splicing cameras
CN206741554U (en) The house type 3D modeling system of indoor 3D scanning devices based on depth camera
CN110807772A (en) Bounding box-based irrelevant point cloud eliminating method in component size detection
CN109682303A (en) BIM technology-based curve PC track beam precise three-dimensional detection method
CN107944203A (en) A kind of visual architectural design method of wind-velocity streamline
CN115203778A (en) Tunnel overbreak and underexcavation detection method and device, terminal equipment and storage medium
CN116308185A (en) Visual progress input and early warning method for constructional engineering
CN114923433A (en) Method for improving paying-off efficiency and precision of special-shaped structure curtain wall
CN111414508B (en) Method and terminal for searching and realizing visualization in design model
CN115423949B (en) Three-dimensional engine-based measuring method and system for converting space image into three-dimensional model
CN112287425A (en) Municipal engineering measurement positioning method and system
CN112053418B (en) Hydropower engineering monitoring data drawing system and method
Tian 3D modeling and digital preservation of ancient architectures based on autoCAD and 3Dmax
CN109858184B (en) Sunlight simulation analysis system by means of oblique photography technology

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Wang Tao

Inventor after: Sun Linghui

Inventor after: Wang Dianjun

Inventor after: Wu Zhongyang

Inventor after: Wang Bing

Inventor before: Wang Tao

Inventor before: Sun Linghui

Inventor before: Wang Dianjun

Inventor before: Wu Zhongyang

Inventor before: Wang Bing

GR01 Patent grant
GR01 Patent grant