CN117308821A - Building decoration modeling precision inspection method and system based on scanner - Google Patents
Building decoration modeling precision inspection method and system based on scanner Download PDFInfo
- Publication number
- CN117308821A CN117308821A CN202311599692.1A CN202311599692A CN117308821A CN 117308821 A CN117308821 A CN 117308821A CN 202311599692 A CN202311599692 A CN 202311599692A CN 117308821 A CN117308821 A CN 117308821A
- Authority
- CN
- China
- Prior art keywords
- data
- modeling
- decoration modeling
- theoretical
- architectural decoration
- 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
Links
- 238000005034 decoration Methods 0.000 title claims abstract description 706
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000007689 inspection Methods 0.000 title description 4
- 238000010276 construction Methods 0.000 claims abstract description 164
- 239000007787 solid Substances 0.000 claims abstract description 51
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 83
- 238000013507 mapping Methods 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 8
- 238000012937 correction Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010606 normalization Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 20
- 230000000007 visual effect Effects 0.000 abstract description 6
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013079 data visualisation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/03—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring coordinates of points
-
- 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
- G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
-
- 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
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/752—Contour matching
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/04—Architectural design, interior design
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- Computer Graphics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computing Systems (AREA)
- Databases & Information Systems (AREA)
- Evolutionary Computation (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Multimedia (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention relates to the technical field of surface contour measurement, and discloses a method and a system for checking the precision of a building decoration model based on a scanner, wherein the system comprises a building decoration model theoretical contour construction module, a building decoration model solid contour processing module, a building decoration model theoretical contour and solid contour characteristic superposition matching module and a building decoration model construction error display metering module; error judgment is carried out by measuring the length value between the theoretical outline feature of the architectural decoration modeling and the corresponding space coordinate point of the physical outline feature, the coordinate point of the outline feature of the architectural decoration modeling which does not meet the error precision requirement is highlighted, the spatial coordinate data corresponding to the theoretical outline feature of the architectural decoration modeling and the physical outline feature and the error length value between coordinates are output, visual display metering of the construction errors of the outline of the architectural decoration modeling surface and full-coverage construction precision detection are realized, and the precision and efficiency of the detection of the precision of the architectural decoration modeling are improved.
Description
Technical Field
The invention relates to the technical field of surface contour measurement, in particular to a method and a system for checking building decoration modeling accuracy based on a scanner.
Background
The building decoration is short for building decoration engineering, and is various treatment processes for protecting the main structure of a building, perfecting the physical performance, the use function and beautifying the building by adopting decoration materials or ornaments to the inner and outer surfaces and the space of the building; the existing building decoration modeling construction is finished and needs to be detected by decoration modeling precision, the building decoration modeling construction precision is detected by manually using a measuring ruler and detecting by adopting a laser measuring instrument in a matching way, the building decoration modeling construction precision is detected by manually using the measuring ruler and the laser measuring instrument, the detection error of the artificial operation precision is uncontrollable, the local characteristics of the surface profile of the building decoration modeling are selected in the detection process for detection, the object coverage area is small, the building decoration modeling construction detection precision is low, and the building decoration modeling surface profile construction error cannot be intuitively displayed and measured.
Chinese patent application CN112381793A discloses a method and a system for inspecting architectural decoration modeling with high precision and a storage medium, wherein a coordinate origin is arranged in a space to be detected, and a first fluorescent mark is arranged on the coordinate origin; setting a plurality of characteristic points on each decoration respectively; scanning the space to be detected by adopting a three-dimensional scanner under the dark condition to obtain an actual detection image; analyzing the actual detection image to obtain actual coordinate values of the plurality of second fluorescent markers relative to the first fluorescent markers; comparing the coordinate values of the second fluorescent markers with the set standard coordinate values to calculate the installation precision of each decoration; namely, a detector only needs to set a first fluorescent mark and a second fluorescent mark, and then the detector scans the first fluorescent mark and the second fluorescent mark through a three-dimensional scanner to obtain the coordinate value of the second fluorescent mark relative to the first fluorescent mark, so that the installation error value of a decoration piece can be obtained, compared with the traditional manual measurement, the method of calibrating the first fluorescent mark and the second fluorescent mark and adopting the three-dimensional scanner to scan the first fluorescent mark and calculating the error value in a matching manner is adopted, so that the decoration installation accuracy is rapidly and accurately tested, however, the above application only selects a plurality of characteristic points on the surface of the decoration piece and carries out the second fluorescent mark, the local characteristics of the outline of the surface of the architectural decoration model are selected in the detection process, the coverage of an object is small, the construction detection accuracy of the architectural decoration model is low, and the construction error of the outline of the surface of the architectural decoration model cannot be intuitively displayed and measured.
Disclosure of Invention
(one) solving the technical problems
In order to solve the problems that the detection error of the manual operation precision is uncontrollable, the local characteristics of the surface profile of the architectural decoration modeling are selected for detection in the detection process, so that the object coverage is small, the construction detection precision of the architectural decoration modeling is low, and the construction error of the surface profile of the architectural decoration modeling cannot be intuitively displayed and measured, and the purposes of the whole coverage precision detection of the surface profile of the architectural decoration modeling, the visual display measurement of the construction error of the surface profile of the architectural decoration modeling and the high detection precision of the architectural decoration modeling are realized.
(II) technical scheme
The invention is realized by the following technical scheme: a method for checking the precision of architectural decoration modeling based on a scanner, comprising the following steps:
s1, acquiring construction installation surface data of a building decoration model as building decoration model theoretical three-dimensional model building basal plane data, carrying out plane grid division on the building decoration model theoretical three-dimensional model building basal plane, and establishing a space rectangular coordinate system to generate building decoration model three-dimensional model basal plane grid coordinate system data;
s2, building and generating three-dimensional model data of a building decoration modeling theory by utilizing the coordinate system data of a three-dimensional model base surface of the building decoration modeling in combination with three-dimensional modeling software;
S3, acquiring architectural decoration modeling surface contours in the architectural decoration modeling theoretical three-dimensional model data by using a feature extraction algorithm to form architectural decoration modeling theoretical contour feature data; calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
s4, scanning and collecting the construction and installation solid outline characteristic data of the architectural decoration modeling, and outputting the construction and installation solid outline characteristic data of the architectural decoration modeling; calling the data of the grid coordinate system of the base surface of the three-dimensional model of the building decoration modeling to be matched with the contour feature data of the entity of the building decoration modeling according to the common construction installation surface data as a reference object, and after the matching, projecting grid intersection points of the grid coordinate system of the base surface to the contour feature surface of the entity of the building decoration modeling according to the step S3 to obtain the coordinate data of the contour feature space of the entity surface of the building decoration modeling, which is formed by overlapping the grid intersection points and the contour feature space;
s5, calling architectural decoration modeling theoretical contour feature data, architectural decoration modeling theoretical surface contour feature space coordinate data, architectural decoration modeling entity contour feature data and architectural decoration modeling entity surface contour feature space coordinate data, and matching the architectural decoration modeling theoretical contour feature and the entity contour feature by taking the common construction installation surface data as a reference object; matching the surface feature space coordinate data of the architectural decoration modeling theoretical contour feature and the surface feature space coordinate data of the entity surface contour feature by taking the common base plane grid coordinate system data as a reference object, and mapping the three-dimensional surface contour data to the theoretical contour feature and the entity contour feature correspondingly;
S6, measuring a length value between the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical outline feature, and performing error judgment, if the length value of the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical surface outline feature of the physical surface are smaller than or equal to the construction error requirement, not highlighting the corresponding spatial coordinate point of the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical surface outline feature of the physical surface, otherwise highlighting the corresponding spatial coordinate point of the theoretical outline feature of the architectural decoration modeling and the physical surface outline feature of the physical surface;
and S7, outputting the theoretical outline characteristics of the architectural decoration modeling, the corresponding space coordinate data of the physical outline characteristics and the error length values between the two space coordinate points for the architectural decoration modeling physical outline characteristics which do not meet the construction error requirement.
Preferably, the operation steps of obtaining the construction installation surface data of the architectural decoration modeling as the construction base surface data of the architectural decoration modeling theoretical three-dimensional model, carrying out plane grid division on the construction base surface of the architectural decoration modeling theoretical three-dimensional model, and establishing a space rectangular coordinate system to generate the grid coordinate system data of the construction three-dimensional model base surface are as follows:
s11, acquiring construction decoration modeling construction installation surface data and establishing a setWherein->Length data representing construction installation surface, +. >Width data representing a construction installation surface;
s12, constructing a data set of installation surfaces according to the architectural decoration modelingIs->Is the length value and->Establishing a rectangular building decoration modeling theoretical three-dimensional model construction base surface for the width value;
s13, carrying out plane grid division on a three-dimensional model construction base plane of the architectural decoration modeling theory, wherein the grid division adopts side length asA square; wherein->The smaller the numerical value of (2), the higher the dividing precision of the grid of the base surface constructed for the three-dimensional model of the architectural decoration modeling theory; otherwise, the lower the mesh division precision of the building base surface is for the building decoration modeling theoretical three-dimensional model;
s14, the building decoration modeling three-dimensional model base surface grid coordinate system is length data of building decoration modeling theoretical three-dimensional model building base surfaceThe directions establish the abscissa, width data +.>The direction is the ordinate, length data +.>And Width data->The intersection point is the origin of a coordinate system, a vertical coordinate is established along the height direction perpendicular to the construction basal plane of the architectural decoration modeling theoretical three-dimensional model,represents the three-dimensional model base mesh coordinate system of architectural decoration modeling, wherein +.>Represents abscissa, ++>The vertical coordinate is indicated by the vertical coordinate,representing the vertical coordinates.
Preferably, the operation steps of constructing and generating the architectural decoration modeling theoretical three-dimensional model data by combining the architectural decoration modeling three-dimensional model base surface coordinate system data with the three-dimensional modeling software are as follows:
S21, calling the coordinate system data of the three-dimensional model base surface of the architectural decoration modeling, and drawing and generating the theoretical three-dimensional model data of the architectural decoration modeling by using three-dimensional drawing software。
Preferably, the feature extraction algorithm is used for obtaining the theoretical outline feature data of the architectural decoration modeling, wherein the theoretical three-dimensional model data of the architectural decoration modeling is obtained by the surface outline of the architectural decoration modeling; the method comprises the following steps of calling data of a grid coordinate system of a three-dimensional model base surface of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and acquiring the spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling, wherein the operation steps are as follows:
s31, setting theoretical contour feature data of architectural decoration modeling asThe method comprises the steps of carrying out a first treatment on the surface of the The method for extracting the theoretical contour characteristic data of the architectural decoration modeling by using the HOG characteristic extraction algorithm of the directional gradient histogram comprises the following steps:
graying: theoretical three-dimensional model data of building decoration modelingConsider a three-dimensional image consisting of coordinates m, n, p;
input of theoretical three-dimensional model data of architectural decoration modeling by Gamma correction methodThe three-dimensional image formed after graying is normalized by color space, and the Gamma correction method uses a compression formula as +. >Wherein gamma is usually 1/2;
calculating three-dimensional model data of building decoration modeling theory after normalization treatmentThe gradient of each pixel of the three-dimensional image, wherein the gradient formula of the pixel point (m, n) is as follows: />；The method comprises the steps of carrying out a first treatment on the surface of the Wherein->、/>、/>Respectively representing a horizontal direction gradient, a vertical direction gradient and a pixel value at a pixel point (m, n) in an input image; the gradient magnitude and gradient direction at the pixel point (m, n) are respectively: />；/>；
Building decoration modeling theoretical three-dimensional model data after gradient treatmentDividing the three-dimensional image into a theoretical three-dimensional model contour cell of the architectural decoration modeling of a certain specification, namely n multiplied by n architectural decoration modeling theoretical three-dimensional model contour pixels;
counting the gradient histogram of each cell, namely the number of different gradients, so as to form a descriptor of each cell;
forming a block by each cell, and connecting feature descriptors of all cells in the block in series to obtain HOG feature descriptors of the block;
theoretical three-dimensional model data of building decoration modelingHOG feature descriptors of all blocks in the three-dimensional image are connected in series to generate output architectural decoration modeling theoretical contour feature data of +.>；
Calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
S32, building three-dimensional model base surface grid coordinate system data of building decoration modelingCross point coordinate matrix for grid division of three-dimensional model base surface of middle building decoration modeling>，/>；/>Wherein->Indicate->Dividing intersection point coordinates by using a three-dimensional model base plane grid of each building decoration model;
s33, dividing the basic plane grid of the three-dimensional model of the architectural decoration model into an intersection point coordinate matrixProjection of the theoretical profile characteristic data of the architectural decoration modeling along the direction perpendicular to the base plane +.>Screening out a space coordinate data matrix of the theoretical surface profile features of the architectural decoration modeling, wherein the space coordinate data matrix is formed by screening out grid division intersection points of a three-dimensional model base surface of the architectural decoration modeling and superposition intersection points of the theoretical profile features of the architectural decoration modeling>，/>；/>Wherein->Indicate->And the theoretical surface profile characteristic space coordinate data of the architectural decoration modeling.
Preferably, the scanning is used for collecting the physical outline characteristic data of the architectural decoration modeling after construction and installation and outputting the physical outline characteristic data of the architectural decoration modeling by the construction installation surface data; calling the data of the grid coordinate system of the base surface of the three-dimensional model of the building decoration modeling to be matched with the solid outline characteristic data of the building decoration modeling according to the common construction installation surface data serving as a reference object, and after the matching, projecting grid intersection points of the grid coordinate system of the base surface to the solid outline characteristic surface of the building decoration modeling according to the step S3, so as to obtain the space coordinate data of the outline characteristic of the solid surface of the building decoration modeling, wherein the space coordinate data of the outline characteristic of the solid surface of the building decoration modeling is formed by overlapping the grid intersection points of the grid coordinate system of the base surface of the building decoration modeling, and the steps are as follows:
S41, scanning and collecting the physical outline characteristic data of the architectural decoration modeling after construction and installation by using a three-dimensional laser scanner, and outputting the physical outline characteristic data of the architectural decoration modeling by using the construction installation surface data；
S42, building decoration modeling entity outline characteristic dataGrid coordinate system data of three-dimensional model base surface of architectural decoration modeling>Position matching is carried out by taking the common construction installation surface data as a reference object;
s43, building after matching the positionsDecoration modeling three-dimensional model base plane grid division intersection point coordinate matrixProjection of the profile characteristic data to the architectural decoration shaping entity in a direction perpendicular to the base plane>Surface, screening out architectural decoration modeling entity surface contour feature space coordinate data matrix of architectural decoration modeling three-dimensional model basal plane grid division intersection points and architectural decoration modeling entity contour feature superposition intersection points>，/>；/>WhereinIndicate->And the architectural decoration modeling entity surface profile feature space coordinate data.
Preferably, the building decoration modeling theoretical outline feature data, the building decoration modeling theoretical surface outline feature space coordinate data, the building decoration modeling entity outline feature data and the building decoration modeling entity surface outline feature space coordinate data are called, and the building decoration modeling theoretical outline feature and the entity outline feature are matched by taking the common construction installation surface data as a reference object; the operation steps of matching the architectural decoration modeling theoretical contour feature surface feature space coordinate data and the entity surface contour feature space coordinate data by taking the common base plane grid coordinate system data as a reference object and mapping the three-dimensional surface contour to the theoretical contour feature and the entity contour feature respectively are as follows:
S51, respectively calling theoretical contour characteristic data of architectural decoration modelingArchitectural decoration modeling theoretical surface profile feature space coordinate data +.>Building decoration modeling entity outline characteristic data +.>Architectural decoration modeling entity surface profile feature space coordinate data +.>；
S52, taking the common construction installation surface data as a reference object to carry out architectural decoration modeling theoretical contour characteristic dataAnd architectural decoration modeling entity profile feature data +.>Performing spatial position matching;
s53, taking the common base plane grid coordinate system data as a reference object to carry out architectural decoration modeling theoretical surface profile feature space coordinate dataSpatial coordinate data of surface profile features of entity with architectural decoration modeling>Spatial position matching is carried out, and architectural decoration modeling theory surface contour feature spatial coordinate data is +.>Mapping to architectural decoration modeling theoretical outline characteristic data after position matching>Three-dimensional surface profile, architectural decoration modeling entity surface profile feature space coordinate data +.>Mapping to architectural decoration modeling entity outline characteristic data after position matching>A three-dimensional surface profile is constructed.
Preferably, the measuring the length value between the theoretical outline feature of the architectural decoration and the corresponding space coordinate point of the physical outline feature carries out error judgment, if the length value of the theoretical outline feature of the architectural decoration and the corresponding space coordinate point of the physical surface outline feature are smaller than or equal to the construction error requirement, the operation steps of highlighting the theoretical outline feature of the architectural decoration and the corresponding space coordinate point of the physical surface outline feature are as follows:
S61, calculating length data between space coordinate points of all corresponding characteristics of the theoretical outline of the architectural decoration modeling and the solid outline of the architectural decoration modeling in S52 and S53 by adopting a distance formula；
S62, judging length data between space coordinate points with the same characteristics of the theoretical outline of the architectural decoration modeling and the solid outline of the architectural decoration modelingConstruction error with architectural decoration modeling>Performing numerical judgment;
when (when)≤/>The entity profile features of the architectural decoration modeling are shown to meet the design requirements of the theoretical profile of the architectural decoration modeling, and the corresponding space coordinate points of the architectural decoration modeling theory and the entity surface profile features are not highlighted;
when (when)>/>The method indicates that the physical outline characteristics of the architectural decoration modeling do not meet the design requirements of the theoretical outline of the architectural decoration modeling, and the corresponding spatial coordinate points of the theoretical outline characteristics of the architectural decoration modeling and the physical surface outline characteristics are highlighted.
Preferably, for the architectural decoration modeling solid outline feature which does not meet the construction error requirement, the operation steps of outputting the architectural decoration modeling theoretical outline feature, the spatial coordinate data corresponding to the solid outline feature and the error length value between the two spatial coordinate points are as follows:
s71 for meeting>/>The condition is that the corresponding space coordinate data of the theoretical outline feature and the physical outline feature of the architectural decoration modeling are output >、/>And the value of the error length between two spatial coordinate points +.>And establishing a set;
，/>the method comprises the steps of carrying out a first treatment on the surface of the Wherein->Indicating the +.f. under the condition that the solid outline characteristics of the architectural decoration model do not meet the theoretical outline design requirement of the architectural decoration model>Spatial coordinate data of the theoretical surface profile of the architectural decoration modeling, first +.>Spatial coordinate data of the theoretical surface profile of the individual architectural decoration modelling>Spatial coordinate points and +.>Error length data among theoretical contour feature space points of the building decoration modeling;
the system comprises a building decoration modeling theoretical outline construction module, a building decoration modeling solid outline processing module, a building decoration modeling theoretical outline and solid outline characteristic superposition matching module and a building decoration modeling construction error display metering module;
the building decoration modeling theoretical outline construction module comprises a building decoration modeling basal plane construction unit, a building decoration modeling three-dimensional model construction unit, a building decoration modeling theoretical outline characteristic and a coordinate construction unit; the building decoration modeling base surface construction unit is used for acquiring building decoration modeling construction installation surface data as building decoration modeling theoretical three-dimensional model construction base surface data, carrying out plane grid division on the construction base surface data and establishing a space rectangular coordinate system to generate building decoration modeling three-dimensional model base surface grid coordinate system data; the building decoration modeling three-dimensional model construction unit utilizes the building decoration modeling three-dimensional model base plane coordinate system data and the three-dimensional modeling software to construct and generate building decoration modeling theoretical three-dimensional model data; the building decoration modeling theoretical outline feature and coordinate building unit is used for obtaining building decoration modeling surface outline in building decoration modeling theoretical three-dimensional model data by using a feature extraction algorithm to form building decoration modeling theoretical outline feature data; calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
The building decoration modeling entity profile processing module comprises a building decoration modeling entity profile feature and installation surface acquisition unit and a building decoration modeling entity profile coordinate establishment unit; the building decoration modeling entity outline feature and installation surface acquisition unit uses a three-dimensional laser scanner to scan and acquire building decoration modeling entity outline feature data after construction and installation and construction installation surface data to output building decoration modeling entity outline feature data; the building decoration modeling entity outline coordinate building unit is used for calling building decoration modeling three-dimensional model base surface grid coordinate system data to be matched with building decoration modeling entity outline characteristic data according to the common construction installation surface data as a reference object, and projecting grid intersection points of the building decoration modeling three-dimensional model base surface grid coordinate system data to the building decoration modeling entity outline characteristic surface after matching, and acquiring space coordinate data of the building decoration modeling entity surface outline characteristic formed by overlapping the two;
the building decoration modeling theoretical outline and entity outline characteristic superposition matching module comprises a building decoration modeling theory and entity outline data calling unit and a building decoration modeling theory and entity outline matching unit; the building decoration modeling theory and entity profile data calling unit is used for calling building decoration modeling theory profile characteristic data, building decoration modeling theory surface profile characteristic space coordinate data, building decoration modeling entity profile characteristic data and building decoration modeling entity surface profile characteristic space coordinate data; the building decoration modeling theory and entity contour matching unit is used for matching the building decoration modeling theory contour characteristics and entity contour characteristics by taking the common construction installation surface data as a reference object; matching the surface feature space coordinate data of the architectural decoration modeling theoretical contour feature and the surface feature space coordinate data of the entity surface contour feature by taking the common base plane grid coordinate system data as a reference object, and mapping the three-dimensional surface contour data to the theoretical contour feature and the entity contour feature correspondingly;
The building decoration modeling construction error display and measurement module comprises a building decoration modeling theory and entity contour error identification unit, a building decoration modeling theory and entity contour error display unit and a building decoration modeling theory and entity contour error output unit; the error identification unit between the architectural decoration modeling theory and the entity contour is used for measuring the length value between the architectural decoration modeling theory contour feature and the corresponding space coordinate point of the entity contour feature to carry out error judgment; the error display unit between the architectural decoration modeling theory and the solid contour highlights the architectural decoration modeling theoretical surface contour and the architectural decoration modeling solid surface contour which do not meet the error precision requirement according to the length value between the architectural decoration modeling theory contour feature and the solid contour feature corresponding space coordinate point and the error judgment result; and the building decoration modeling theoretical and physical contour error output unit outputs the corresponding space coordinate data of the building decoration modeling theoretical contour features and the physical contour features and the error length value between the two space coordinate points for the building decoration modeling physical contour features which do not meet the construction error requirement.
(III) beneficial effects
The invention provides a building decoration modeling precision inspection method and system based on a scanner. The beneficial effects are as follows:
1. building a three-dimensional model base surface grid coordinate system of the architectural decoration modeling by using grid division based on construction installation surface data through an architectural decoration modeling theoretical contour building module for the architectural decoration modeling theoretical three-dimensional model, and outputting architectural decoration modeling theoretical contour feature data by using a feature extraction algorithm; grid intersection points in the grid coordinate system data of the base surface of the three-dimensional model of the architectural decoration modeling are projected to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface to acquire the spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, so that the full-coverage accurate acquisition of the theoretical appearance outline characteristic of the architectural decoration modeling is realized; the building decoration modeling entity contour processing module uses a three-dimensional laser scanner to scan and collect entity contour feature data after building decoration modeling construction installation and construction installation surface data to output building decoration modeling entity contour feature data, meanwhile, the building decoration modeling three-dimensional model base surface grid coordinate system data is called to match with the building decoration modeling entity contour feature data, grid intersection points of the grid coordinate system are projected to the building decoration modeling entity contour feature surface to output building decoration modeling entity surface contour feature space coordinate data after matching, and therefore the full-coverage accurate acquisition of the building decoration modeling entity appearance contour feature is achieved; the building decoration modeling theoretical outline and solid outline characteristic superposition matching module calls and matches the building decoration modeling theoretical outline characteristic and the solid outline characteristic, calls and matches the space coordinate data of the surface characteristic of the building decoration modeling theoretical outline characteristic and the space coordinate data of the solid surface outline characteristic, and then respectively and correspondingly maps to the three-dimensional surface outline of the theoretical outline characteristic and the solid outline characteristic, thereby realizing the visual matching display of the space characteristics of the building decoration modeling theoretical outline characteristic and the building decoration modeling solid outline characteristic; the architectural decoration modeling construction error display metering module is used for measuring a length value between the architectural decoration modeling theoretical outline feature and the corresponding space coordinate point of the entity outline feature to perform error judgment, and meanwhile, according to the length value between the architectural decoration modeling theoretical outline feature and the corresponding space coordinate point of the entity outline feature and the error judgment result, the architectural decoration modeling theoretical outline which does not meet the error precision requirement and the corresponding space coordinate point of the entity surface outline feature are highlighted, the architectural decoration modeling theoretical surface outline and the architectural decoration modeling entity surface outline are output, the architectural decoration modeling theoretical outline feature and the entity outline feature correspond space coordinate data and the error length value between the two space coordinate points are output, and therefore visual display metering of architectural decoration modeling surface outline construction errors and full coverage construction precision detection are achieved, and the precision and efficiency of architectural decoration modeling precision detection are improved.
2. The architectural decoration modeling theory and entity contour data calling unit is matched with the architectural decoration modeling theory and entity contour matching unit, and the architectural decoration modeling theory contour feature and entity contour feature data are called to be matched by taking the common construction installation surface data as a reference object; and calling the surface feature space coordinate data of the theoretical outline feature of the architectural decoration modeling and the surface feature space coordinate data of the physical outline feature of the architectural decoration modeling to match with the data of the common base plane grid coordinate system and respectively and correspondingly mapping the three-dimensional surface outlines of the theoretical outline feature and the physical outline feature, thereby realizing more visual and data visualization of the detection process of the architectural decoration modeling precision.
3. The method comprises the steps that through an architectural decoration modeling theory and entity inter-contour error identification unit and an architectural decoration modeling theory and entity inter-contour error display unit, a distance formula is adopted to measure a length value between a theoretical contour feature of the architectural decoration modeling and a spatial coordinate point corresponding to the entity contour feature, construction errors are judged, the spatial coordinate points corresponding to the architectural decoration modeling theory and entity surface contour feature which do not meet the error precision requirement are highlighted on the theoretical surface contour of the architectural decoration modeling and the entity surface contour of the architectural decoration modeling, and therefore the fact that the feature parts of the architectural decoration modeling do not meet the standard is screened and displayed independently in the process of detecting the architectural decoration modeling precision is achieved, and the intellectualization and efficiency of detecting the architectural decoration modeling precision are improved; and the building decoration modeling theory and entity contour error output unit outputs the building decoration modeling theory contour feature, the entity contour feature corresponding space coordinate data and the error length value between the two space coordinate points for the building decoration modeling entity contour feature which does not meet the construction error requirement, thereby improving the efficiency and the accuracy of detecting and searching the defect feature position by the building decoration modeling precision.
Drawings
FIG. 1 is a diagram showing the composition of each functional module of a scanner-based architectural decoration modeling accuracy inspection system;
FIG. 2 is a flow chart illustrating operation of a method for inspecting accuracy of architectural decoration modeling based on a scanner shown in FIG. 1.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the method and the system for checking the building decoration modeling precision based on the scanner is as follows:
referring to fig. 1-2, a method for inspecting the precision of architectural decoration modeling based on a scanner, the method comprises the following steps:
s1, acquiring construction installation surface data of a building decoration model as building decoration model theoretical three-dimensional model building basal plane data, carrying out plane grid division on the building decoration model theoretical three-dimensional model building basal plane, and establishing a space rectangular coordinate system to generate building decoration model three-dimensional model basal plane grid coordinate system data;
S2, building and generating three-dimensional model data of a building decoration modeling theory by utilizing the coordinate system data of a three-dimensional model base surface of the building decoration modeling in combination with three-dimensional modeling software;
s3, acquiring architectural decoration modeling surface contours in the architectural decoration modeling theoretical three-dimensional model data by using a feature extraction algorithm to form architectural decoration modeling theoretical contour feature data; calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
s4, scanning and collecting the construction and installation solid outline characteristic data of the architectural decoration modeling, and outputting the construction and installation solid outline characteristic data of the architectural decoration modeling; calling the data of the grid coordinate system of the base surface of the three-dimensional model of the building decoration modeling to be matched with the contour feature data of the entity of the building decoration modeling according to the common construction installation surface data as a reference object, and after the matching, projecting grid intersection points of the grid coordinate system of the base surface to the contour feature surface of the entity of the building decoration modeling according to the step S3 to obtain the coordinate data of the contour feature space of the entity surface of the building decoration modeling, which is formed by overlapping the grid intersection points and the contour feature space;
S5, calling architectural decoration modeling theoretical contour feature data, architectural decoration modeling theoretical surface contour feature space coordinate data, architectural decoration modeling entity contour feature data and architectural decoration modeling entity surface contour feature space coordinate data, and matching the architectural decoration modeling theoretical contour feature and the entity contour feature by taking the common construction installation surface data as a reference object; matching the surface feature space coordinate data of the architectural decoration modeling theoretical contour feature and the surface feature space coordinate data of the entity surface contour feature by taking the common base plane grid coordinate system data as a reference object, and mapping the three-dimensional surface contour data to the theoretical contour feature and the entity contour feature correspondingly;
s6, measuring a length value between the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical outline feature, and performing error judgment, if the length value of the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical surface outline feature of the physical surface are smaller than or equal to the construction error requirement, not highlighting the corresponding spatial coordinate point of the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical surface outline feature of the physical surface, otherwise highlighting the corresponding spatial coordinate point of the theoretical outline feature of the architectural decoration modeling and the physical surface outline feature of the physical surface;
and S7, outputting the theoretical outline characteristics of the architectural decoration modeling, the corresponding space coordinate data of the physical outline characteristics and the error length values between the two space coordinate points for the architectural decoration modeling physical outline characteristics which do not meet the construction error requirement.
Further, referring to fig. 1 to 2, the operation steps of obtaining construction installation surface data of the architectural decoration modeling as construction base surface data of the architectural decoration modeling theoretical three-dimensional model, performing plane grid division on the construction base surface of the architectural decoration modeling theoretical three-dimensional model, and establishing a space rectangular coordinate system to generate grid coordinate system data of the construction three-dimensional model base surface are as follows:
s11, acquiring construction decoration modeling construction installation surface data and establishing a setWherein->Length data representing construction installation surface, +.>Width data representing a construction installation surface;
s12, constructing a data set of installation surfaces according to the architectural decoration modelingIs->Is the length value and->Establishing a rectangular building decoration modeling theoretical three-dimensional model construction base surface for the width value;
s13, carrying out plane grid division on a three-dimensional model construction base plane of the architectural decoration modeling theory, wherein the grid division adopts side length asA square; wherein->The smaller the numerical value of (2), the higher the dividing precision of the grid of the base surface constructed for the three-dimensional model of the architectural decoration modeling theory; otherwise, the lower the mesh division precision of the building base surface is for the building decoration modeling theoretical three-dimensional model;
s14, the building decoration modeling three-dimensional model base surface grid coordinate system is length data of building decoration modeling theoretical three-dimensional model building base surface The directions establish the abscissa, width data +.>The direction is the ordinate, length data +.>And Width data->The intersection point is the origin of a coordinate system, a vertical coordinate is established along the height direction perpendicular to the construction basal plane of the architectural decoration modeling theoretical three-dimensional model,represents the three-dimensional model base mesh coordinate system of architectural decoration modeling, wherein +.>Represents abscissa, ++>The vertical coordinate is indicated by the vertical coordinate,representing the vertical coordinates.
The operation steps for constructing and generating the three-dimensional model data of the architectural decoration modeling theory by combining the three-dimensional modeling software with the coordinate system data of the base surface of the architectural decoration modeling three-dimensional model are as follows:
s21, calling the coordinate system data of the three-dimensional model base surface of the architectural decoration modeling, and drawing and generating the theoretical three-dimensional model data of the architectural decoration modeling by using three-dimensional drawing software。
Acquiring the surface contour of the architectural decoration modeling in the theoretical three-dimensional model data of the architectural decoration modeling by using a feature extraction algorithm to form theoretical contour feature data of the architectural decoration modeling; the method comprises the following steps of calling data of a grid coordinate system of a three-dimensional model base surface of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and acquiring the spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling, wherein the operation steps are as follows:
S31, setting theoretical contour feature data of architectural decoration modeling asThe method comprises the steps of carrying out a first treatment on the surface of the Using direction gradient squarenessThe drawing HOG feature extraction algorithm for extracting the theoretical outline feature data of the architectural decoration modeling comprises the following steps:
graying: theoretical three-dimensional model data of building decoration modelingConsider a three-dimensional image consisting of coordinates m, n, p;
input of theoretical three-dimensional model data of architectural decoration modeling by Gamma correction methodThe three-dimensional image formed after graying is normalized by color space, and the Gamma correction method uses a compression formula as +.>Wherein gamma is usually 1/2;
calculating three-dimensional model data of building decoration modeling theory after normalization treatmentThe gradient of each pixel of the three-dimensional image, wherein the gradient formula of the pixel point (m, n) is as follows:
；
the method comprises the steps of carrying out a first treatment on the surface of the Wherein->、/>、/>Respectively representing a horizontal direction gradient, a vertical direction gradient and a pixel value at a pixel point (m, n) in an input image; the gradient magnitude and gradient direction at the pixel point (m, n) are respectively:
；
；
building decoration modeling theoretical three-dimensional model data after gradient treatmentDividing the three-dimensional image into a theoretical three-dimensional model contour cell of the architectural decoration modeling of a certain specification, namely n multiplied by n architectural decoration modeling theoretical three-dimensional model contour pixels;
Counting the gradient histogram of each cell, namely the number of different gradients, so as to form a descriptor of each cell;
forming a block by each cell, and connecting feature descriptors of all cells in the block in series to obtain HOG feature descriptors of the block;
theoretical three-dimensional model data of building decoration modelingHOG feature descriptors of all blocks in the three-dimensional image are connected in series to generate output architectural decoration modeling theoretical contour feature data of +.>；
Calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
s32, building three-dimensional model base surface grid coordinate system data of building decoration modelingCross point coordinate matrix for grid division of three-dimensional model base surface of middle building decoration modeling>，/>；/>Wherein->Indicate->Dividing intersection point coordinates by using a three-dimensional model base plane grid of each building decoration model;
s33, dividing the basic plane grid of the three-dimensional model of the architectural decoration model into an intersection point coordinate matrix Projection of the theoretical profile characteristic data of the architectural decoration modeling along the direction perpendicular to the base plane +.>Screening out a space coordinate data matrix of the theoretical surface profile features of the architectural decoration modeling, wherein the space coordinate data matrix is formed by screening out grid division intersection points of a three-dimensional model base surface of the architectural decoration modeling and superposition intersection points of the theoretical profile features of the architectural decoration modeling>，/>；/>Wherein->Indicate->And the theoretical surface profile characteristic space coordinate data of the architectural decoration modeling.
Further, referring to fig. 1-2, the physical outline characteristic data of the architectural decoration modeling after construction and installation is scanned and collected, and the physical outline characteristic data of the architectural decoration modeling is output by the construction installation surface data; calling the data of the grid coordinate system of the base surface of the three-dimensional model of the building decoration modeling to be matched with the solid outline characteristic data of the building decoration modeling according to the common construction installation surface data serving as a reference object, and after the matching, projecting grid intersection points of the grid coordinate system of the base surface to the solid outline characteristic surface of the building decoration modeling according to the step S3, so as to obtain the space coordinate data of the outline characteristic of the solid surface of the building decoration modeling, wherein the space coordinate data of the outline characteristic of the solid surface of the building decoration modeling is formed by overlapping the grid intersection points of the grid coordinate system of the base surface of the building decoration modeling, and the steps are as follows:
s41, scanning and collecting the physical outline characteristic data of the architectural decoration modeling after construction and installation by using a three-dimensional laser scanner, and outputting the physical outline characteristic data of the architectural decoration modeling by using the construction installation surface data ；
S42, building decoration modeling entity outline characteristic dataGrid coordinate system data of three-dimensional model base surface of architectural decoration modeling>Position matching is carried out by taking the common construction installation surface data as a reference object;
s43, dividing the building decoration modeling three-dimensional model base plane grid into intersection point coordinate matrixes after position matchingProjection of the profile characteristic data to the architectural decoration shaping entity in a direction perpendicular to the base plane>Surface, screening out architectural decoration modeling entity surface contour feature space coordinate data matrix of architectural decoration modeling three-dimensional model basal plane grid division intersection points and architectural decoration modeling entity contour feature superposition intersection points>，/>；/>WhereinIndicate->And the architectural decoration modeling entity surface profile feature space coordinate data.
Further, referring to fig. 1-2, the architectural decoration modeling theoretical outline feature data, the architectural decoration modeling theoretical surface outline feature space coordinate data, the architectural decoration modeling entity outline feature data and the architectural decoration modeling entity surface outline feature space coordinate data are called, and the architectural decoration modeling theoretical outline feature and the entity outline feature are matched by taking the common construction installation surface data as reference objects; the operation steps of matching the architectural decoration modeling theoretical contour feature surface feature space coordinate data and the entity surface contour feature space coordinate data by taking the common base plane grid coordinate system data as a reference object and mapping the three-dimensional surface contour to the theoretical contour feature and the entity contour feature respectively are as follows:
S51, respectively calling theoretical contour characteristic data of architectural decoration modelingArchitectural decoration modeling theoretical surface profile feature space coordinate data +.>Building decoration modeling entity outline characteristic data +.>Architectural decoration modeling entity surface profile feature space coordinate data +.>；
S52Construction decoration modeling theoretical outline characteristic data by taking common construction installation surface data as reference objectAnd architectural decoration modeling entity profile feature data +.>Performing spatial position matching;
s53, taking the common base plane grid coordinate system data as a reference object to carry out architectural decoration modeling theoretical surface profile feature space coordinate dataSpatial coordinate data of surface profile features of entity with architectural decoration modeling>Spatial position matching is carried out, and architectural decoration modeling theory surface contour feature spatial coordinate data is +.>Mapping to architectural decoration modeling theoretical outline characteristic data after position matching>Three-dimensional surface profile, architectural decoration modeling entity surface profile feature space coordinate data +.>Mapping to architectural decoration modeling entity outline characteristic data after position matching>A three-dimensional surface profile is constructed.
The architectural decoration modeling theory and entity contour data calling unit is matched with the architectural decoration modeling theory and entity contour matching unit, and the architectural decoration modeling theory contour feature and entity contour feature data are called to be matched by taking the common construction installation surface data as a reference object; and calling the surface feature space coordinate data of the theoretical outline feature of the architectural decoration modeling and the surface feature space coordinate data of the physical outline feature of the architectural decoration modeling to match with the data of the common base plane grid coordinate system and respectively and correspondingly mapping the three-dimensional surface outlines of the theoretical outline feature and the physical outline feature, thereby realizing more visual and data visualization of the detection process of the architectural decoration modeling precision.
Further, referring to fig. 1-2, the error determination is performed by measuring the length value between the spatial coordinate points corresponding to the theoretical outline feature and the physical outline feature of the architectural decoration, if the length value is less than or equal to the construction error requirement, the spatial coordinate points corresponding to the theoretical outline feature and the physical surface feature of the architectural decoration are not highlighted, otherwise, the operation steps of highlighting the spatial coordinate points corresponding to the theoretical outline feature and the physical surface feature of the architectural decoration are as follows:
s61, calculating length data between space coordinate points of all corresponding characteristics of the theoretical outline of the architectural decoration modeling and the solid outline of the architectural decoration modeling in S52 and S53 by adopting a distance formula；
S62, judging length data between space coordinate points with the same characteristics of the theoretical outline of the architectural decoration modeling and the solid outline of the architectural decoration modelingConstruction error with architectural decoration modeling>Performing numerical judgment;
when (when)≤/>The entity profile features of the architectural decoration modeling are shown to meet the design requirements of the theoretical profile of the architectural decoration modeling, and the corresponding space coordinate points of the architectural decoration modeling theory and the entity surface profile features are not highlighted;
when (when)>/>The method indicates that the physical outline characteristics of the architectural decoration modeling do not meet the design requirements of the theoretical outline of the architectural decoration modeling, and the corresponding spatial coordinate points of the theoretical outline characteristics of the architectural decoration modeling and the physical surface outline characteristics are highlighted.
For the architectural decoration modeling solid outline features which do not meet the construction error requirement, the operation steps of outputting the architectural decoration modeling theoretical outline features, the corresponding space coordinate data of the solid outline features and the error length numerical value between the two space coordinate points are as follows:
s71 for meeting>/>The condition is that the corresponding space coordinate data of the theoretical outline feature and the physical outline feature of the architectural decoration modeling are output>、/>And the value of the error length between two spatial coordinate points +.>And establishing a set;
，/>the method comprises the steps of carrying out a first treatment on the surface of the Wherein->Indicating the +.f. under the condition that the solid outline characteristics of the architectural decoration model do not meet the theoretical outline design requirement of the architectural decoration model>Spatial coordinate data of the theoretical surface profile of the architectural decoration modeling, first +.>Spatial coordinate data of the theoretical surface profile of the individual architectural decoration modelling>Spatial coordinate points and +.>And error length data between the theoretical contour feature space points of the architectural decoration modeling.
The method comprises the steps that through an architectural decoration modeling theory and entity inter-contour error identification unit and an architectural decoration modeling theory and entity inter-contour error display unit, a distance formula is adopted to measure a length value between a theoretical contour feature of the architectural decoration modeling and a spatial coordinate point corresponding to the entity contour feature, construction errors are judged, the spatial coordinate points corresponding to the architectural decoration modeling theory and entity surface contour feature which do not meet the error precision requirement are highlighted on the theoretical surface contour of the architectural decoration modeling and the entity surface contour of the architectural decoration modeling, and therefore the fact that the feature parts of the architectural decoration modeling do not meet the standard is screened and displayed independently in the process of detecting the architectural decoration modeling precision is achieved, and the intellectualization and efficiency of detecting the architectural decoration modeling precision are improved; and the building decoration modeling theory and entity contour error output unit outputs the building decoration modeling theory contour feature, the entity contour feature corresponding space coordinate data and the error length value between the two space coordinate points for the building decoration modeling entity contour feature which does not meet the construction error requirement, thereby improving the efficiency and the accuracy of detecting and searching the defect feature position by the building decoration modeling precision.
The system comprises a building decoration modeling theoretical outline construction module, a building decoration modeling solid outline processing module, a building decoration modeling theoretical outline and solid outline characteristic superposition matching module and a building decoration modeling construction error display metering module;
the building decoration modeling theoretical outline construction module comprises a building decoration modeling basal plane construction unit, a building decoration modeling three-dimensional model construction unit, a building decoration modeling theoretical outline characteristic and a coordinate construction unit; the building decoration modeling base surface construction unit is used for acquiring building decoration modeling construction installation surface data as building decoration modeling theoretical three-dimensional model construction base surface data, carrying out plane grid division on the construction base surface data and establishing a space rectangular coordinate system to generate building decoration modeling three-dimensional model base surface grid coordinate system data; the building decoration modeling three-dimensional model construction unit is used for constructing and generating building decoration modeling theoretical three-dimensional model data by combining the building decoration modeling three-dimensional model base plane coordinate system data with three-dimensional modeling software; the building decoration modeling theoretical outline feature and coordinate building unit is used for obtaining building decoration modeling surface outline in the building decoration modeling theoretical three-dimensional model data by using a feature extraction algorithm to form building decoration modeling theoretical outline feature data; calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
The architectural decoration modeling entity profile processing module comprises an architectural decoration modeling entity profile feature and installation surface acquisition unit and an architectural decoration modeling entity profile coordinate establishment unit; the building decoration modeling entity outline feature and installation surface acquisition unit is used for scanning and acquiring building decoration modeling entity outline feature data after construction and installation by using the three-dimensional laser scanner, and outputting the building decoration modeling entity outline feature data by using the construction installation surface data; the building decoration modeling entity outline coordinate building unit is used for calling building decoration modeling three-dimensional model base surface grid coordinate system data to be matched with building decoration modeling entity outline characteristic data according to the common construction installation surface data as a reference object, and projecting grid intersection points of the building decoration modeling three-dimensional model base surface grid coordinate system data to the building decoration modeling entity outline characteristic surface after matching, and acquiring the two overlapping to form building decoration modeling entity surface outline characteristic space coordinate data;
the building decoration modeling theoretical outline and entity outline characteristic superposition matching module comprises a building decoration modeling theory and entity outline data calling unit and a building decoration modeling theory and entity outline matching unit; the architectural decoration modeling theory and entity profile data calling unit is used for calling architectural decoration modeling theory profile characteristic data, architectural decoration modeling theory surface profile characteristic space coordinate data, architectural decoration modeling entity profile characteristic data and architectural decoration modeling entity surface profile characteristic space coordinate data; the building decoration modeling theory and entity contour matching unit is used for matching the building decoration modeling theory contour characteristics and entity contour characteristics by taking the common construction installation surface data as a reference object; matching the surface feature space coordinate data of the architectural decoration modeling theoretical contour feature and the surface feature space coordinate data of the entity surface contour feature by taking the common base plane grid coordinate system data as a reference object, and mapping the three-dimensional surface contour data to the theoretical contour feature and the entity contour feature correspondingly;
The building decoration modeling construction error display and measurement module comprises a building decoration modeling theory and entity contour error identification unit, a building decoration modeling theory and entity contour error display unit and a building decoration modeling theory and entity contour error output unit; the building decoration modeling theory and entity inter-contour error recognition unit is used for measuring length values between the building decoration modeling theory contour features and space coordinate points corresponding to the entity contour features to carry out error judgment; the error display unit between the architectural decoration modeling theory and the solid contour is used for highlighting the spatial coordinate points corresponding to the architectural decoration modeling theory surface contour and the architectural decoration modeling solid surface contour which do not meet the error precision requirement according to the length numerical value and the error judgment result between the architectural decoration modeling theory contour characteristic and the spatial coordinate points corresponding to the solid contour characteristic; and the building decoration modeling theory and entity contour error output unit is used for outputting the building decoration modeling theory contour features and entity contour features which do not meet the construction error requirement as well as corresponding space coordinate data and error length values between the two space coordinate points.
Claims (9)
1. The method for checking the building decoration modeling precision based on the scanner is characterized by comprising the following steps of:
s1, acquiring construction installation surface data of a building decoration model as building decoration model theoretical three-dimensional model building basal plane data, carrying out plane grid division on the building decoration model theoretical three-dimensional model building basal plane, and establishing a space rectangular coordinate system to generate building decoration model three-dimensional model basal plane grid coordinate system data;
s2, building and generating three-dimensional model data of a building decoration modeling theory by utilizing the coordinate system data of a three-dimensional model base surface of the building decoration modeling in combination with three-dimensional modeling software;
s3, acquiring architectural decoration modeling surface contours in the architectural decoration modeling theoretical three-dimensional model data by using a feature extraction algorithm to form architectural decoration modeling theoretical contour feature data; calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
S4, scanning and collecting the construction and installation solid outline characteristic data of the architectural decoration modeling, and outputting the construction and installation solid outline characteristic data of the architectural decoration modeling; calling the data of the grid coordinate system of the base surface of the three-dimensional model of the building decoration modeling to be matched with the contour feature data of the entity of the building decoration modeling according to the common construction installation surface data as a reference object, and after the matching, projecting grid intersection points of the grid coordinate system of the base surface to the contour feature surface of the entity of the building decoration modeling according to the step S3 to obtain the coordinate data of the contour feature space of the entity surface of the building decoration modeling, which is formed by overlapping the grid intersection points and the contour feature space;
s5, calling architectural decoration modeling theoretical contour feature data, architectural decoration modeling theoretical surface contour feature space coordinate data, architectural decoration modeling entity contour feature data and architectural decoration modeling entity surface contour feature space coordinate data, and matching the architectural decoration modeling theoretical contour feature and the entity contour feature by taking the common construction installation surface data as a reference object; matching the surface feature space coordinate data of the architectural decoration modeling theoretical contour feature and the surface feature space coordinate data of the entity surface contour feature by taking the common base plane grid coordinate system data as a reference object, and mapping the three-dimensional surface contour data to the theoretical contour feature and the entity contour feature correspondingly;
S6, measuring a length value between the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical outline feature, and performing error judgment, if the length value of the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical surface outline feature of the physical surface are smaller than or equal to the construction error requirement, not highlighting the corresponding spatial coordinate point of the theoretical outline feature of the architectural decoration modeling and the corresponding spatial coordinate point of the physical surface outline feature of the physical surface, otherwise highlighting the corresponding spatial coordinate point of the theoretical outline feature of the architectural decoration modeling and the physical surface outline feature of the physical surface;
and S7, outputting the theoretical outline characteristics of the architectural decoration modeling, the corresponding space coordinate data of the physical outline characteristics and the error length values between the two space coordinate points for the architectural decoration modeling physical outline characteristics which do not meet the construction error requirement.
2. The method for checking the precision of the architectural decoration modeling based on the scanner according to claim 1, wherein the method comprises the following steps: the operation steps of obtaining the construction installation surface data of the building decoration modeling as the construction base surface data of the building decoration modeling theory three-dimensional model, carrying out plane grid division on the construction base surface of the building decoration modeling theory three-dimensional model and establishing a space rectangular coordinate system to generate the grid coordinate system data of the construction decoration modeling three-dimensional model base surface are as follows:
s11, acquiring construction decoration modeling construction installation surface data and establishing a set Wherein->Length data representing construction installation surface, +.>Width data representing a construction installation surface;
s12, constructing a data set of installation surfaces according to the architectural decoration modelingIs->Is the length value and->Establishing a rectangular building decoration modeling theoretical three-dimensional model construction base surface for the width value;
s13, carrying out plane grid division on a three-dimensional model construction base plane of the architectural decoration modeling theory, wherein the grid division adopts side length asA square; wherein->The smaller the numerical value of (2), the higher the dividing precision of the grid of the base surface constructed for the three-dimensional model of the architectural decoration modeling theory; otherwise, the lower the mesh division precision of the building base surface is for the building decoration modeling theoretical three-dimensional model;
s14, the building decoration modeling three-dimensional model base surface grid coordinate system is length data of building decoration modeling theoretical three-dimensional model building base surfaceThe directions establish the abscissa, width data +.>The direction is the ordinate, length data +.>And Width data->The intersection point is the origin of a coordinate system, vertical coordinates are established along the height direction perpendicular to a building decoration modeling theoretical three-dimensional model building basal plane, and the intersection point is the origin of the coordinate system>Represents the three-dimensional model base mesh coordinate system of architectural decoration modeling, wherein +.>Represents abscissa, ++>Indicates the ordinate, ++>Representing the vertical coordinates.
3. The method for checking the precision of the architectural decoration according to claim 2, wherein the method comprises the following steps: the construction and generation of the architectural decoration modeling theoretical three-dimensional model data by combining the architectural decoration modeling three-dimensional model base plane coordinate system data with the three-dimensional modeling software comprises the following operation steps:
s21, calling the coordinate system data of the three-dimensional model base surface of the architectural decoration modeling, and drawing and generating the theoretical three-dimensional model data of the architectural decoration modeling by using three-dimensional drawing software。
4. A method for checking the accuracy of architectural decoration modeling based on a scanner according to claim 3, wherein: acquiring architectural decoration modeling surface contours in the architectural decoration modeling theoretical three-dimensional model data by using a feature extraction algorithm to form architectural decoration modeling theoretical contour feature data; the method comprises the following steps of calling data of a grid coordinate system of a three-dimensional model base surface of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and acquiring the spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling, wherein the operation steps are as follows:
S31, setting theoretical contour feature data of architectural decoration modeling asThe method comprises the steps of carrying out a first treatment on the surface of the The method for extracting the theoretical contour characteristic data of the architectural decoration modeling by using the HOG characteristic extraction algorithm of the directional gradient histogram comprises the following steps:
graying: theoretical three-dimensional model data of building decoration modelingConsider a three-dimensional image consisting of coordinates m, n, p;
input of theoretical three-dimensional model data of architectural decoration modeling by Gamma correction methodThe three-dimensional image formed after graying is normalized by color space, and the Gamma correction method uses a compression formula as +.>Wherein gamma is usually 1/2;
calculating three-dimensional model data of building decoration modeling theory after normalization treatmentThe gradient of each pixel of the three-dimensional image, wherein the gradient formula of the pixel point (m, n) is as follows:
；
the method comprises the steps of carrying out a first treatment on the surface of the Wherein->、/>、/>Respectively representing a horizontal direction gradient, a vertical direction gradient and a pixel value at a pixel point (m, n) in an input image; the gradient magnitude and gradient direction at the pixel point (m, n) are respectively:
；
；
building decoration modeling theoretical three-dimensional model data after gradient treatmentDividing the three-dimensional image into a theoretical three-dimensional model contour cell of the architectural decoration modeling of a certain specification, namely n multiplied by n architectural decoration modeling theoretical three-dimensional model contour pixels;
Counting the gradient histogram of each cell, namely the number of different gradients, so as to form a descriptor of each cell;
forming a block by each cell, and connecting feature descriptors of all cells in the block in series to obtain HOG feature descriptors of the block;
theoretical three-dimensional model data of building decoration modelingHOG feature descriptors of all blocks in the three-dimensional image are connected in series to generate output architectural decoration modeling theoretical contour feature data of +.>；
Calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
s32, building three-dimensional model base surface grid coordinate system data of building decoration modelingCross point coordinate matrix for grid division of three-dimensional model base surface of middle building decoration modeling>，/>；/>Wherein->Indicate->Dividing intersection point coordinates by using a three-dimensional model base plane grid of each building decoration model;
s33, dividing the basic plane grid of the three-dimensional model of the architectural decoration model into an intersection point coordinate matrix Projection of the theoretical profile characteristic data of the architectural decoration modeling along the direction perpendicular to the base plane +.>Screening out the mesh dividing intersection points of the base surface of the three-dimensional model of the architectural decoration modeling and the theoretical contour features of the architectural decoration modelingBuilding decoration modeling theoretical surface contour characteristic space coordinate data matrix of intersection point>，/>；/>Wherein->Indicate->And the theoretical surface profile characteristic space coordinate data of the architectural decoration modeling.
5. The method for checking the precision of the architectural decoration according to claim 4, wherein the method comprises the following steps: the scanning is used for collecting the physical outline characteristic data of the architectural decoration modeling after construction and installation and outputting the physical outline characteristic data of the architectural decoration modeling by the construction installation surface data; calling the data of the grid coordinate system of the base surface of the three-dimensional model of the building decoration modeling to be matched with the solid outline characteristic data of the building decoration modeling according to the common construction installation surface data serving as a reference object, and after the matching, projecting grid intersection points of the grid coordinate system of the base surface to the solid outline characteristic surface of the building decoration modeling according to the step S3, so as to obtain the space coordinate data of the outline characteristic of the solid surface of the building decoration modeling, wherein the space coordinate data of the outline characteristic of the solid surface of the building decoration modeling is formed by overlapping the grid intersection points of the grid coordinate system of the base surface of the building decoration modeling, and the steps are as follows:
S41, scanning and collecting the physical outline characteristic data of the architectural decoration modeling after construction and installation by using a three-dimensional laser scanner, and outputting the physical outline characteristic data of the architectural decoration modeling by using the construction installation surface data；
S42, building decoration modeling entity outline characteristic dataCoordinate system data of three-dimensional model base surface grid of architectural decoration modelingPosition matching is carried out by taking the common construction installation surface data as a reference object;
s43, dividing the building decoration modeling three-dimensional model base plane grid into intersection point coordinate matrixes after position matchingProjection of the profile characteristic data to the architectural decoration shaping entity in a direction perpendicular to the base plane>Surface, screening out architectural decoration modeling entity surface contour feature space coordinate data matrix of architectural decoration modeling three-dimensional model basal plane grid division intersection points and architectural decoration modeling entity contour feature superposition intersection points>，/>；/>Wherein->Indicate->And the architectural decoration modeling entity surface profile feature space coordinate data.
6. The method for checking the precision of the architectural decoration according to claim 5, wherein the method comprises the following steps: the building decoration modeling theoretical outline feature data, the building decoration modeling theoretical surface outline feature space coordinate data, the building decoration modeling entity outline feature data and the building decoration modeling entity surface outline feature space coordinate data are called, and the building decoration modeling theoretical outline feature and the entity outline feature are matched by taking the common construction installation surface data as a reference object; the operation steps of matching the architectural decoration modeling theoretical contour feature surface feature space coordinate data and the entity surface contour feature space coordinate data by taking the common base plane grid coordinate system data as a reference object and mapping the three-dimensional surface contour to the theoretical contour feature and the entity contour feature respectively are as follows:
S51, respectively calling theoretical contour characteristic data of architectural decoration modelingArchitectural decoration modeling theoretical surface profile feature space coordinate data +.>Building decoration modeling entity outline characteristic data +.>Architectural decoration modeling entity surface profile feature space coordinate data +.>；
S52, taking the common construction installation surface data as a reference object to carry out architectural decoration modeling theoretical contour characteristic dataAnd architectural decoration modeling entity profile feature data +.>Performing spatial position matching;
s53, taking the common base plane grid coordinate system data as a reference object to carry out architectural decoration modeling theoretical surface profile feature space coordinate dataSpatial coordinate data of surface profile features of entity with architectural decoration modeling>Spatial position matching is carried out, and architectural decoration modeling theory surface contour feature spatial coordinate data is +.>Mapping to architectural decoration modeling theoretical outline characteristic data after position matching>Three-dimensional surface profile, architectural decoration modeling entity surface profile feature space coordinate data +.>Mapping to architectural decoration modeling entity outline characteristic data after position matching>A three-dimensional surface profile is constructed.
7. The method for checking the precision of the architectural decoration according to claim 6, wherein the method comprises the following steps: the method comprises the following steps of measuring a length value between a theoretical outline feature of the architectural decoration modeling and a spatial coordinate point corresponding to an entity outline feature, performing error judgment, if the length value of the theoretical outline feature of the architectural decoration modeling and the length value of the entity outline feature are smaller than or equal to a construction error requirement, not highlighting the spatial coordinate point corresponding to the theoretical outline feature of the architectural decoration modeling and the entity surface, otherwise highlighting the spatial coordinate point corresponding to the theoretical outline feature of the architectural decoration modeling and the entity surface, and performing the operation steps of:
S61, calculating length data between space coordinate points of all corresponding characteristics of the theoretical outline of the architectural decoration modeling and the solid outline of the architectural decoration modeling in S52 and S53 by adopting a distance formula；
S62, judging length data between space coordinate points with the same characteristics of the theoretical outline of the architectural decoration modeling and the solid outline of the architectural decoration modelingConstruction error with architectural decoration modeling>Performing numerical judgment;
when (when)≤/>The entity profile features of the architectural decoration modeling are shown to meet the design requirements of the theoretical profile of the architectural decoration modeling, and the corresponding space coordinate points of the architectural decoration modeling theory and the entity surface profile features are not highlighted;
when (when)>/>The method indicates that the physical outline characteristics of the architectural decoration modeling do not meet the design requirements of the theoretical outline of the architectural decoration modeling, and the corresponding spatial coordinate points of the theoretical outline characteristics of the architectural decoration modeling and the physical surface outline characteristics are highlighted.
8. The method for checking the precision of the architectural decoration according to claim 7, wherein the method comprises the following steps: for the building decoration modeling entity profile features which do not meet the construction error requirement, the operation steps of outputting the building decoration modeling theoretical profile features, the corresponding space coordinate data of the entity profile features and the error length numerical value between the two space coordinate points are as follows:
S71 for meeting>/>The condition is that the corresponding space coordinate data of the theoretical outline feature and the physical outline feature of the architectural decoration modeling are output>、/>And the value of the error length between two spatial coordinate points +.>And establishing a set;
，/>the method comprises the steps of carrying out a first treatment on the surface of the Wherein->Indicating the +.f. under the condition that the solid outline characteristics of the architectural decoration model do not meet the theoretical outline design requirement of the architectural decoration model>Spatial coordinate data of the theoretical surface profile of the architectural decoration modeling, first +.>Spatial coordinate data of the theoretical surface profile of the individual architectural decoration modelling>Spatial coordinate points and +.>And error length data between the theoretical contour feature space points of the architectural decoration modeling.
9. A system for realizing the method for checking the precision of the architectural decoration modeling based on the scanner as defined in any one of claims 1 to 8, which is characterized by comprising an architectural decoration modeling theoretical contour construction module, an architectural decoration modeling entity contour processing module, an architectural decoration modeling theoretical contour and entity contour characteristic coincidence matching module and an architectural decoration modeling construction error display and metering module;
the building decoration modeling theoretical outline construction module comprises a building decoration modeling basal plane construction unit, a building decoration modeling three-dimensional model construction unit, a building decoration modeling theoretical outline characteristic and a coordinate construction unit; the building decoration modeling base surface construction unit is used for acquiring building decoration modeling construction installation surface data as building decoration modeling theoretical three-dimensional model construction base surface data, carrying out plane grid division on the construction base surface data and establishing a space rectangular coordinate system to generate building decoration modeling three-dimensional model base surface grid coordinate system data; the building decoration modeling three-dimensional model construction unit utilizes the building decoration modeling three-dimensional model base plane coordinate system data and the three-dimensional modeling software to construct and generate building decoration modeling theoretical three-dimensional model data; the building decoration modeling theoretical outline feature and coordinate building unit is used for obtaining building decoration modeling surface outline in building decoration modeling theoretical three-dimensional model data by using a feature extraction algorithm to form building decoration modeling theoretical outline feature data; calling data of a grid coordinate system of a base surface of the three-dimensional model of the architectural decoration modeling, projecting grid intersection points in the grid coordinate system of the base surface to the theoretical outline characteristic surface of the architectural decoration modeling along the direction vertical to the base surface, and obtaining spatial coordinate data of the outline characteristic of the theoretical surface of the architectural decoration modeling, which is formed by overlapping the grid intersection points and the theoretical outline characteristic of the architectural decoration modeling;
The building decoration modeling entity profile processing module comprises a building decoration modeling entity profile feature and installation surface acquisition unit and a building decoration modeling entity profile coordinate establishment unit; the building decoration modeling entity outline feature and installation surface acquisition unit uses a three-dimensional laser scanner to scan and acquire building decoration modeling entity outline feature data after construction and installation and construction installation surface data to output building decoration modeling entity outline feature data; the building decoration modeling entity outline coordinate building unit is used for calling building decoration modeling three-dimensional model base surface grid coordinate system data to be matched with building decoration modeling entity outline characteristic data according to the common construction installation surface data as a reference object, and projecting grid intersection points of the building decoration modeling three-dimensional model base surface grid coordinate system data to the building decoration modeling entity outline characteristic surface after matching, and acquiring space coordinate data of the building decoration modeling entity surface outline characteristic formed by overlapping the two;
the building decoration modeling theoretical outline and entity outline characteristic superposition matching module comprises a building decoration modeling theory and entity outline data calling unit and a building decoration modeling theory and entity outline matching unit; the building decoration modeling theory and entity profile data calling unit is used for calling building decoration modeling theory profile characteristic data, building decoration modeling theory surface profile characteristic space coordinate data, building decoration modeling entity profile characteristic data and building decoration modeling entity surface profile characteristic space coordinate data; the building decoration modeling theory and entity contour matching unit is used for matching the building decoration modeling theory contour characteristics and entity contour characteristics by taking the common construction installation surface data as a reference object; matching the surface feature space coordinate data of the architectural decoration modeling theoretical contour feature and the surface feature space coordinate data of the entity surface contour feature by taking the common base plane grid coordinate system data as a reference object, and mapping the three-dimensional surface contour data to the theoretical contour feature and the entity contour feature correspondingly;
The building decoration modeling construction error display and measurement module comprises a building decoration modeling theory and entity contour error identification unit, a building decoration modeling theory and entity contour error display unit and a building decoration modeling theory and entity contour error output unit; the error identification unit between the architectural decoration modeling theory and the entity contour is used for measuring the length value between the architectural decoration modeling theory contour feature and the corresponding space coordinate point of the entity contour feature to carry out error judgment; the error display unit between the architectural decoration modeling theory and the solid contour highlights the architectural decoration modeling theoretical surface contour and the architectural decoration modeling solid surface contour which do not meet the error precision requirement according to the length value between the architectural decoration modeling theory contour feature and the solid contour feature corresponding space coordinate point and the error judgment result; and the building decoration modeling theoretical and physical contour error output unit outputs the corresponding space coordinate data of the building decoration modeling theoretical contour features and the physical contour features and the error length value between the two space coordinate points for the building decoration modeling physical contour features which do not meet the construction error requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311599692.1A CN117308821B (en) | 2023-11-28 | 2023-11-28 | Building decoration modeling precision inspection method and system based on scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311599692.1A CN117308821B (en) | 2023-11-28 | 2023-11-28 | Building decoration modeling precision inspection method and system based on scanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117308821A true CN117308821A (en) | 2023-12-29 |
| CN117308821B CN117308821B (en) | 2024-02-06 |
Family
ID=89273974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311599692.1A Active CN117308821B (en) | 2023-11-28 | 2023-11-28 | Building decoration modeling precision inspection method and system based on scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117308821B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160422A (en) * | 1996-12-03 | 1998-06-19 | Pioneer Electron Corp | Three-dimensional measuring instrument |
| FR2891195A1 (en) * | 2005-09-26 | 2007-03-30 | Soc D Peintures Monumentales S | Support e.g. building frontage, decorating method, involves calculating image to be drawn according to model of support for two tracing appliance sites and tracking some contours of image with laser beam projected on to support |
| CN102136155A (en) * | 2010-01-27 | 2011-07-27 | 首都师范大学 | Object elevation vectorization method and system based on three dimensional laser scanning |
| CN102930540A (en) * | 2012-10-26 | 2013-02-13 | 中国地质大学（武汉） | Method and system for detecting contour of urban building |
| CN105241406A (en) * | 2015-09-29 | 2016-01-13 | 苏州金螳螂建筑装饰股份有限公司 | Building decoration three-dimensional molding precision examination method |
| CN105627992A (en) * | 2015-12-28 | 2016-06-01 | 桂林电子科技大学 | Method for quickly surveying and mapping historic building in high-accuracy non-contact mode |
| US20170132835A1 (en) * | 2013-07-23 | 2017-05-11 | Hover Inc. | 3d building analyzer |
| CN106898046A (en) * | 2017-02-21 | 2017-06-27 | 山东师范大学 | Based on the construction three-dimensional model building method and system that improve homotopy mapping algorithm |
| CN109737873A (en) * | 2019-01-16 | 2019-05-10 | 江苏金芙蓉环保装饰产业有限公司 | A kind of building decoration three-dimensional modeling inspection method of accuracy |
| CN110163971A (en) * | 2019-05-17 | 2019-08-23 | 郑州铁路职业技术学院 | Building decoration three-dimensional modeling inspection method of accuracy |
| CN111323788A (en) * | 2020-01-19 | 2020-06-23 | 北京建筑大学 | Building change monitoring method and device and computer equipment |
| CN112381793A (en) * | 2020-11-15 | 2021-02-19 | 深圳千里马装饰集团有限公司 | High-precision inspection method and system for architectural decoration modeling and storage medium |
| CN112581421A (en) * | 2019-09-27 | 2021-03-30 | 广东博智林机器人有限公司 | Three-dimensional point cloud processing method, building detection method, device, equipment and medium |
| JP2021117041A (en) * | 2020-01-23 | 2021-08-10 | 株式会社竹中工務店 | Building structure surveying system, surveying method, and surveying control program |
| CN114741761A (en) * | 2022-04-15 | 2022-07-12 | 中建科工集团有限公司 | Plant structure restoration method based on three-dimensional laser scanning and BIM reverse modeling |
| CN115033972A (en) * | 2022-08-09 | 2022-09-09 | 武汉易米景科技有限公司 | Method and system for unitizing building main body structures in batches and readable storage medium |
| CN115098912A (en) * | 2022-06-15 | 2022-09-23 | 嘉兴南洋职业技术学院 | Comparison method of architectural decoration three-dimensional model |
| CN115168380A (en) * | 2022-07-11 | 2022-10-11 | 福建汇川物联网技术科技股份有限公司 | Indoor map data updating method and system |
| CN115641401A (en) * | 2021-07-05 | 2023-01-24 | 华为技术有限公司 | Construction method and related device of three-dimensional live-action model |
-
2023
- 2023-11-28 CN CN202311599692.1A patent/CN117308821B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160422A (en) * | 1996-12-03 | 1998-06-19 | Pioneer Electron Corp | Three-dimensional measuring instrument |
| FR2891195A1 (en) * | 2005-09-26 | 2007-03-30 | Soc D Peintures Monumentales S | Support e.g. building frontage, decorating method, involves calculating image to be drawn according to model of support for two tracing appliance sites and tracking some contours of image with laser beam projected on to support |
| CN102136155A (en) * | 2010-01-27 | 2011-07-27 | 首都师范大学 | Object elevation vectorization method and system based on three dimensional laser scanning |
| CN102930540A (en) * | 2012-10-26 | 2013-02-13 | 中国地质大学（武汉） | Method and system for detecting contour of urban building |
| US20170132835A1 (en) * | 2013-07-23 | 2017-05-11 | Hover Inc. | 3d building analyzer |
| CN105241406A (en) * | 2015-09-29 | 2016-01-13 | 苏州金螳螂建筑装饰股份有限公司 | Building decoration three-dimensional molding precision examination method |
| CN105627992A (en) * | 2015-12-28 | 2016-06-01 | 桂林电子科技大学 | Method for quickly surveying and mapping historic building in high-accuracy non-contact mode |
| CN106898046A (en) * | 2017-02-21 | 2017-06-27 | 山东师范大学 | Based on the construction three-dimensional model building method and system that improve homotopy mapping algorithm |
| CN109737873A (en) * | 2019-01-16 | 2019-05-10 | 江苏金芙蓉环保装饰产业有限公司 | A kind of building decoration three-dimensional modeling inspection method of accuracy |
| CN110163971A (en) * | 2019-05-17 | 2019-08-23 | 郑州铁路职业技术学院 | Building decoration three-dimensional modeling inspection method of accuracy |
| CN112581421A (en) * | 2019-09-27 | 2021-03-30 | 广东博智林机器人有限公司 | Three-dimensional point cloud processing method, building detection method, device, equipment and medium |
| CN111323788A (en) * | 2020-01-19 | 2020-06-23 | 北京建筑大学 | Building change monitoring method and device and computer equipment |
| JP2021117041A (en) * | 2020-01-23 | 2021-08-10 | 株式会社竹中工務店 | Building structure surveying system, surveying method, and surveying control program |
| CN112381793A (en) * | 2020-11-15 | 2021-02-19 | 深圳千里马装饰集团有限公司 | High-precision inspection method and system for architectural decoration modeling and storage medium |
| CN115641401A (en) * | 2021-07-05 | 2023-01-24 | 华为技术有限公司 | Construction method and related device of three-dimensional live-action model |
| CN114741761A (en) * | 2022-04-15 | 2022-07-12 | 中建科工集团有限公司 | Plant structure restoration method based on three-dimensional laser scanning and BIM reverse modeling |
| CN115098912A (en) * | 2022-06-15 | 2022-09-23 | 嘉兴南洋职业技术学院 | Comparison method of architectural decoration three-dimensional model |
| CN115168380A (en) * | 2022-07-11 | 2022-10-11 | 福建汇川物联网技术科技股份有限公司 | Indoor map data updating method and system |
| CN115033972A (en) * | 2022-08-09 | 2022-09-09 | 武汉易米景科技有限公司 | Method and system for unitizing building main body structures in batches and readable storage medium |
Non-Patent Citations (1)
| Title |
|---|
| 张世伟 等: "三维激光扫描技术在装饰装修改造工程推广应用探索研究", 《建设科技》, no. 9, pages 26 - 31 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117308821B (en) | 2024-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102003938B (en) | Thermal state on-site detection method for large high-temperature forging | |
| CN111879241B (en) | Mobile phone battery size measuring method based on machine vision | |
| Graham et al. | Automated sizing of coarse-grained sediments: image-processing procedures | |
| CN102800096B (en) | Robustness estimation algorithm of camera parameter | |
| CN103207987A (en) | Indicating value identification method of dial instrument | |
| CN111368906B (en) | Pointer type oil level meter reading identification method based on deep learning | |
| CN106937109B (en) | The method that low cost judges resolution ratio of camera head level | |
| CN109448043A (en) | Standing tree height extracting method under plane restriction | |
| CN110608685A (en) | Object size rapid measurement method based on raspberry pie | |
| CN108763575B (en) | Image control point automatic selection method based on image control point database | |
| CN110660056A (en) | Building crack width measurement algorithm and method based on image processing | |
| CN117308821B (en) | Building decoration modeling precision inspection method and system based on scanner | |
| CN110686651B (en) | Building facade measuring method and system based on three-dimensional laser scanning | |
| CN112284287B (en) | Stereoscopic vision three-dimensional displacement measurement method based on structural surface gray scale characteristics | |
| KR101808958B1 (en) | Method for obtaining shape information of structure and method for measuring deformation of structure | |
| CN115641326A (en) | Sub-pixel size detection method and system for ceramic antenna PIN needle image | |
| CN112665528B (en) | Correction method for laser scanning three-dimensional imaging | |
| CN112414316B (en) | Strain gauge sensitive grid size parameter measuring method | |
| CN113989513A (en) | Method for recognizing reading of square pointer type instrument | |
| CN114005027A (en) | Urban single tree detection system and method based on unmanned aerial vehicle image | |
| CN107358655B (en) | Identification method of hemispherical surface and conical surface models based on discrete stationary wavelet transform | |
| CN110021027A (en) | A kind of trimming point calculating method based on binocular vision | |
| CN116580159B (en) | Three-dimensional modeling system based on static scanning | |
| CN113592877B (en) | Method and device for identifying red line exceeding of pumped storage power station | |
| CN117197135B (en) | Wall surface flatness detection method and system based on laser point cloud |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |