CN113642088A - Method for feeding back construction progress information and displaying deviation of BIM (building information modeling) model in real time - Google Patents
Method for feeding back construction progress information and displaying deviation of BIM (building information modeling) model in real time Download PDFInfo
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Abstract
The invention discloses a method for feedback of construction progress information and real-time deviation display of a BIM (building information modeling) model, which comprises the following steps: acquiring engineering project information, creating a BIM (building information modeling) according to the engineering project information, and dividing the BIM into sections according to a pipeline for marking; acquiring construction data, and acquiring actual construction progress information according to the construction data; and matching the actual construction progress information with the BIM, comparing the matched actual construction progress information in the BIM with corresponding preset progress data, determining a progress lagging engineering task according to a comparison result, and marking different early warning colors on the BIM. On the basis of realizing automatic, accurate and comprehensive collection of engineering data, the data are structurally stored and automatically reflected to the BIM model for display, so that the problems that at present, the data are input by depending personnel or the BIM model is adjusted, and the progress data is not fed back timely or accurately are solved.
Description
Technical Field
The invention relates to the technical field of engineering management, in particular to a method for feeding back construction progress information and displaying deviation of a BIM (building information modeling) model in real time.
Background
With the urgent requirements of rapid development of big data, intellectualization, cloud computing and internet technology and informatization conversion of the building industry, the requirements of fine management and remote supervision of engineering projects are more and more emphasized. However, the current engineering project management mode is more traditional, and data in the engineering construction process is not comprehensively collected and effectively utilized. Still what adopt to the data in the construction process is the mode of manual record, artifical statistics summary, and work efficiency is not high, and data utilization is low.
The project progress is taken as a key management and control link in project management and is highly emphasized by project participating parties. The Building Information model (Building Information Modeling) is based on various relevant Information data of a construction engineering project, is established, and simulates real Information of a Building through digital Information. A project BIM model is established in most projects and serves as an important means for pre-control in construction process management. The progress of the project is synchronously accompanied with the filling and signing of the relevant acceptance data, namely, in the whole construction process, the construction acceptance of each procedure can form a corresponding data file. However, the method is limited to the recording mode of the paper file at present, and the progress data information in the data is not structurally stored, so that the progress and the existing deviation of the project cannot be automatically reflected in the BIM through the progress data.
At present, two methods for displaying actual progress deviation by a BIM model are mainly used, firstly, a mode of manually inputting progress data is adopted to compare deviation between planned progress and actual progress in the BIM model; the other mode is that the BIM model is readjusted and then uploaded to the platform for display. In the two modes, the data acquisition and adjustment are not automated, the accuracy of the data depends on the accuracy of data input by construction units, the data is not confirmed by project supervision units, and the problems that the model needs to be adjusted repeatedly and the display platform needs to be uploaded repeatedly exist.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the invention aims to provide a method for feeding back construction progress information and displaying deviation of a BIM (building information modeling) model in real time, which is used for storing data in a structured manner on the basis of realizing automatic, accurate and comprehensive collection of engineering data and automatically reflecting the data to the BIM model for displaying so as to solve the problems that the data is input by depending personnel or the BIM model is adjusted at present, and the progress data is not fed back timely or accurately.
In order to achieve the above object, an embodiment of the present invention provides a method for feedback of construction progress information and real-time deviation display of a BIM model, including:
acquiring engineering project information, creating a BIM (building information modeling) according to the engineering project information, and dividing the BIM into sections according to a pipeline for marking;
acquiring construction data, and acquiring actual construction progress information according to the construction data;
and matching the actual construction progress information with the BIM, comparing the matched actual construction progress information in the BIM with corresponding preset progress data, determining a progress lagging engineering task according to a comparison result, and marking different early warning colors on the BIM.
According to some embodiments of the invention, further comprising:
classifying and storing the construction data according to structured data and unstructured data, and constructing a database to be monitored in the classifying and storing process;
setting multi-dimensional monitoring indexes for the database to be monitored, determining the incidence relation among the multi-dimensional monitoring indexes, and constructing a monitoring index system;
setting weight coefficients and calculation parameters of all monitoring indexes in the monitoring index system;
and after the classified storage is finished, evaluating the database to be monitored based on the monitoring index system to obtain and display an evaluation result.
According to some embodiments of the invention, the obtaining of construction materials comprises:
filling a related construction data table according to the checking and accepting process content and the actual construction progress information of the engineering project; in the process of filling and reporting the construction data table, the construction unit personnel fill and report the acceptance data;
and realizing the circulation of the construction data form among different construction unit personnel based on the electronic signature or the electronic signature to obtain the construction data.
According to some embodiments of the invention, further comprising:
determining heterogeneous data in a database to be monitored according to the evaluation result;
acquiring high-quality data associated with the heterogeneous data in the database to be monitored;
performing smoothing processing and data restoration processing on the high-quality data based on a least square method to obtain complete data;
inputting the high-quality data, the complete data and the incidence relation between the heterogeneous data and the high-quality data into a pre-trained data incidence model, determining incidence prediction data, and establishing a second identification sequence;
carrying out interpolation calculation on the heterogeneous data, carrying out sequential identification, and determining a first identification sequence of the heterogeneous data corresponding to the deletion;
and matching the first identification sequence with the second identification sequence, and correcting the heterogeneous data according to a matching result.
According to some embodiments of the invention, further comprising: and performing progress simulation according to the BIM model and preset progress data, determining a progress lagging engineering task, and marking different early warning colors on the BIM model.
According to some embodiments of the invention, further comprising:
acquiring a monitoring image of a construction site;
preprocessing the monitoring image to obtain a target image;
carrying out image recognition on the target image to obtain a construction task and corresponding construction quality and construction safety information;
and performing safety risk assessment according to the construction task, the corresponding construction quality and the construction safety information, determining an assessment grade according to an assessment result, and sending out a safety warning of a corresponding grade according to the assessment grade.
According to some embodiments of the invention, performing security risk assessment according to a construction task and corresponding construction quality and construction security information comprises:
acquiring the number and the type of construction tasks;
determining a corresponding risk evaluation model according to the type of the construction task, obtaining model parameters of the risk evaluation model, and determining a risk factor of the construction task according to the model parameters; the model parameters comprise dimensions of a risk assessment model and weight coefficients corresponding to the dimensions;
constructing an accident tree according to the execution sequence of the construction tasks, and establishing a spatial index of the accident tree, wherein the spatial index of the accident tree comprises the construction tasks and corresponding risk factors;
acquiring scene information of the construction tasks, classifying nodes corresponding to the construction tasks on the accident tree according to the scene information, and classifying the nodes belonging to the same scene information into one class to obtain a plurality of node sets; connecting a plurality of node sets according to the conversion sequence of the scene to establish a topological connection relation;
after the topological connection relation is established, writing the construction quality and construction safety information of each node set;
respectively carrying out weighted calculation on the risk factor of each node in each node set to obtain a target risk factor of each node set;
and performing safety risk assessment according to the construction quality and the construction safety information of each node set and the target risk factor to obtain an assessment result of the whole construction task.
According to some embodiments of the invention, further comprising: and acquiring corresponding construction cost according to the actual construction progress information, and dynamically monitoring the construction cost.
According to some embodiments of the present invention, obtaining actual construction progress information according to the construction data includes:
acquiring an image to be processed comprising the construction data, and converting the image to be processed into an LAB color space to obtain a first color channel value of each pixel point on the image to be processed;
performing clustering analysis according to the first color channel value of the pixel point to obtain a plurality of classification sets; converting the pixel points in the plurality of classification sets into HSV color space to obtain a second color channel value of each pixel point, and calculating to obtain a color value corresponding to each classification set; comparing the color value corresponding to each classification set with a preset color value respectively, and screening out a classification set with the color value consistent with the preset color value as a target classification set; the target classification sets are at least two;
respectively obtaining edge information of the text areas corresponding to the target classification sets, performing feature extraction on the edge information, determining keywords, performing similarity calculation on the keywords and preset keywords, and screening out the target classification sets with the similarity greater than or equal to the preset similarity;
acquiring the size of a font of a character area corresponding to a target classification set with similarity greater than or equal to preset similarity, a first distance between adjacent fonts in the horizontal direction and a second distance between adjacent fonts in the vertical direction;
performing first segmentation processing on the character area according to the size and the first distance;
performing second segmentation processing on the character area according to the size and the second distance;
after the first segmentation processing and the second segmentation processing are carried out, the characters in the character areas are identified to obtain character identification results, the character identification results are serialized, a plurality of semantic areas are obtained based on a semantic identification classification model, and target areas comprising actual construction progress information are selected from the semantic areas and analyzed.
According to some embodiments of the invention, the pre-processing comprises image denoising and image enhancement.
Has the advantages that:
1. on the basis of realizing engineering data filing and approval digitalization, the data is stored in a structured mode, progress data information is automatically obtained, and the low-efficiency link of manual input or manual adjustment of the BIM model is omitted.
2. And automatically feeding back the actual progress to the BIM model by utilizing the calculation and application of the progress data and displaying the actual progress.
3. In the BIM model, the actual progress can be compared with the planned progress, and the progress condition of the project can be visually displayed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a method for feeding back construction progress information and displaying deviation of a BIM model in real time according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a method for feedback of construction progress information and real-time deviation display of a BIM model according to a second embodiment of the present invention;
fig. 3 is a flowchart of a method for feeding back construction progress information and displaying deviation of a BIM model in real time according to a third embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1, an embodiment of the present invention provides a method for feedback of construction progress information and real-time deviation display of a BIM model, including steps S1-S3:
s1, acquiring engineering project information, creating a BIM according to the engineering project information, and dividing the BIM into sections according to a pipeline for marking;
s2, acquiring construction data, and acquiring actual construction progress information according to the construction data;
s3, matching the actual construction progress information with the BIM, comparing the matched actual construction progress information in the BIM with corresponding preset progress data, determining a progress lagging engineering task according to a comparison result, and marking different early warning colors on the BIM.
The working principle of the technical scheme is as follows: acquiring engineering project information, creating a BIM (building information modeling) according to the engineering project information, and dividing the BIM into sections according to a pipeline for marking; the data management efficiency of each flow segment information based on the BIM model is improved conveniently, meanwhile, the actual construction progress information is matched with the BIM model conveniently in the follow-up process, and the matching efficiency is improved. Acquiring construction data, and acquiring actual construction progress information according to the construction data; and matching the actual construction progress information with the BIM, comparing the matched actual construction progress information in the BIM with corresponding preset progress data, determining a progress lagging engineering task according to a comparison result, and marking different early warning colors on the BIM.
The beneficial effects of the above technical scheme are that: on the basis of realizing automatic, accurate and comprehensive collection of engineering data, the data are structurally stored and automatically reflected to the BIM model for display, so that the problems that at present, the data are input by depending personnel or the BIM model is adjusted, and the progress data is not fed back timely or accurately are solved. Different early warning colors are conveniently marked for the engineering tasks with the delayed progress, the engineering tasks with the delayed progress are conveniently and clearly known, the engineering progress is accurately monitored, corresponding measures are conveniently taken for the engineering tasks with the delayed progress, the consistency of the actual progress and the preset progress is ensured, and the construction progress information feedback and the deviation real-time display based on the BIM model are realized.
According to some embodiments of the invention, the manner of acquiring the construction materials comprises automatic acquisition or manual filling.
In one embodiment, the method further comprises:
classifying and storing the construction data according to structured data and unstructured data, and constructing a database to be monitored in the classifying and storing process;
setting multi-dimensional monitoring indexes for the database to be monitored, determining the incidence relation among the multi-dimensional monitoring indexes, and constructing a monitoring index system;
setting weight coefficients and calculation parameters of all monitoring indexes in the monitoring index system;
and after the classified storage is finished, evaluating the database to be monitored based on the monitoring index system to obtain and display an evaluation result.
The working principle and the beneficial effects of the technical scheme are as follows: classifying and storing the construction data according to structured data and unstructured data, and constructing a database to be monitored in the classifying and storing process; the construction data can be accurately and effectively stored, the storage efficiency is improved, meanwhile, the query is facilitated, and the effective management of the construction data is realized. Setting multi-dimensional monitoring indexes for the database to be monitored, determining the incidence relation among the multi-dimensional monitoring indexes, and constructing a monitoring index system; setting weight coefficients and calculation parameters of all monitoring indexes in the monitoring index system; and after the classified storage is finished, evaluating the database to be monitored based on the monitoring index system to obtain and display an evaluation result. The method comprises the steps of establishing a database to be monitored according to stored construction data, establishing a monitoring index system for monitoring, achieving comprehensive and accurate monitoring of the database to be monitored, displaying an evaluation result, specifically, finding out whether efficient storage of the construction data is achieved or not according to the evaluation result, whether heterogeneous data exist in the database to be monitored or not, and the like, so that effective management of the database to be monitored is achieved conveniently, meanwhile, corresponding measures can be taken for processing, and accuracy of the database to be monitored is guaranteed.
According to some embodiments of the invention, the obtaining of construction materials comprises:
filling a related construction data table according to the checking and accepting process content and the actual construction progress information of the engineering project; in the process of filling and reporting the construction data table, the construction unit personnel fill and report the acceptance data;
and realizing the circulation of the construction data form among different construction unit personnel based on the electronic signature or the electronic signature to obtain the construction data.
The working principle of the technical scheme is as follows: filling a related construction data table according to the checking and accepting process content and the actual construction progress information of the engineering project; in the process of filling and reporting the construction data table, the construction unit personnel accurately fill and report the acceptance data; and realizing the circulation of the construction data form among different construction unit personnel based on the electronic signature or the electronic signature to obtain the construction data.
The beneficial effects of the above technical scheme are that: the construction data is applied electronically to automatically collect the comprehensive data information of the engineering project, including the construction data. The authenticity, integrity and traceability of the filled content are ensured by technical means such as electronic signature, electronic signature and the like. According to the flow requirement of the project data form, the construction unit and supervision unit personnel confirm the construction data content together, so that the filled data conforms to the construction progress of the project entity. And the construction material is structurally stored, so that the actual construction progress information can be automatically acquired from the construction data.
According to some embodiments of the invention, the verification data comprises at least one of a part of acceptance, a number of acceptances, a unit of acceptance, an acceptance person, a time of acceptance.
In one embodiment, the method further comprises:
determining heterogeneous data in a database to be monitored according to the evaluation result;
acquiring high-quality data associated with the heterogeneous data in the database to be monitored;
performing smoothing processing and data restoration processing on the high-quality data based on a least square method to obtain complete data;
inputting the high-quality data, the complete data and the incidence relation between the heterogeneous data and the high-quality data into a pre-trained data incidence model, determining incidence prediction data, and establishing a second identification sequence;
carrying out interpolation calculation on the heterogeneous data, carrying out sequential identification, and determining a first identification sequence of the heterogeneous data corresponding to the deletion;
and matching the first identification sequence with the second identification sequence, and correcting the heterogeneous data according to a matching result.
The working principle and the beneficial effects of the technical scheme are as follows: determining heterogeneous data in a database to be monitored according to the evaluation result; heterogeneous data is data that does not meet integrity. Acquiring high-quality data associated with the heterogeneous data in the database to be monitored; performing smoothing processing and data restoration processing on the high-quality data based on a least square method to obtain complete data; inputting the high-quality data, the complete data and the incidence relation between the heterogeneous data and the high-quality data into a pre-trained data incidence model, determining incidence prediction data, and establishing a second identification sequence; carrying out interpolation calculation on the heterogeneous data, carrying out sequential identification, and determining a first identification sequence of the heterogeneous data corresponding to the deletion; and matching the first identification sequence with the second identification sequence, and correcting the heterogeneous data according to a matching result. And the heterogeneous data is corrected, so that the utilization rate of the heterogeneous data is improved, and the accuracy of the data stored in the database to be monitored is ensured. Based on the matching of the first identification sequence and the second identification sequence, the heterogeneous data can be corrected conveniently and accurately, and the correction efficiency and the correction accuracy are improved.
As shown in FIG. 2, according to some embodiments of the invention, further comprising steps S4S-S7:
s4, acquiring a monitoring image of a construction site;
s5, preprocessing the monitoring image to obtain a target image;
s6, carrying out image recognition on the target image to obtain a construction task and corresponding construction quality and construction safety information;
and S7, performing safety risk assessment according to the construction task, the corresponding construction quality and the construction safety information, determining an assessment grade according to an assessment result, and sending out a safety warning of a corresponding grade according to the assessment grade.
The working principle of the technical scheme is as follows: acquiring a monitoring image of a construction site; preprocessing the monitoring image to obtain a target image; carrying out image recognition on the target image to obtain a construction task and corresponding construction quality and construction safety information; and performing safety risk assessment according to the construction task, the corresponding construction quality and the construction safety information, determining an assessment grade according to an assessment result, and sending out a safety warning of a corresponding grade according to the assessment grade.
The beneficial effects of the above technical scheme are that: the construction task and the corresponding construction quality and construction safety information are effectively managed, safety management is improved, construction quality is guaranteed, safety warning of the corresponding level is sent according to the assessment level, construction danger is reduced, and safety of executing the construction task is improved.
As shown in FIG. 3, according to some embodiments of the present invention, a safety risk assessment is performed according to a construction task and corresponding construction quality and construction safety information, including steps S71-S77:
s71, acquiring the number and the type of construction tasks;
s72, determining a corresponding risk assessment model according to the type of the construction task, obtaining model parameters of the risk assessment model, and determining risk factors of the construction task according to the model parameters; the model parameters comprise dimensions of a risk assessment model and weight coefficients corresponding to the dimensions;
s73, constructing an accident tree according to the execution sequence of the construction tasks, and establishing a spatial index of the accident tree, wherein the spatial index of the accident tree comprises the construction tasks and corresponding risk factors;
s74, obtaining scene information of the construction tasks, classifying nodes corresponding to the construction tasks on the accident tree according to the scene information, and classifying the nodes belonging to the same scene information into one class to obtain a plurality of node sets; connecting a plurality of node sets according to the conversion sequence of the scene to establish a topological connection relation;
s75, writing the construction quality and construction safety information of each node set after the topological connection relation is established;
s76, respectively carrying out weighted calculation on the risk factor of each node in each node set to obtain a target risk factor of each node set;
and S77, performing safety risk assessment according to the construction quality and construction safety information of each node set and the target risk factor to obtain an assessment result of the whole construction task.
The working principle of the technical scheme is as follows: acquiring the number and the type of construction tasks; determining a corresponding risk evaluation model according to the type of the construction task, obtaining model parameters of the risk evaluation model, and determining a risk factor of the construction task according to the model parameters; the model parameters comprise dimensions of a risk assessment model and weight coefficients corresponding to the dimensions; the risk assessment models used by different types of construction tasks are different, so that the accuracy of risk assessment of various construction tasks is improved. Constructing an accident tree according to the execution sequence of the construction tasks, and establishing a spatial index of the accident tree, wherein the spatial index of the accident tree comprises the construction tasks and corresponding risk factors; acquiring scene information of the construction tasks, classifying nodes corresponding to the construction tasks on the accident tree according to the scene information, and classifying the nodes belonging to the same scene information into one class to obtain a plurality of node sets; connecting a plurality of node sets according to the conversion sequence of the scene to establish a topological connection relation; after the topological connection relation is established, writing the construction quality and construction safety information of each node set; respectively carrying out weighted calculation on the risk factor of each node in each node set to obtain a target risk factor of each node set; and performing safety risk assessment according to the construction quality and the construction safety information of each node set and the target risk factor to obtain an assessment result of the whole construction task.
The beneficial effects of the above technical scheme are that: the method comprises the steps of constructing an accident tree based on the execution sequence of the construction tasks, performing region division on the accident tree according to scene information of the construction tasks, simultaneously establishing topological connection relations among regions, further performing safety risk assessment according to the construction quality and the construction safety information of each node set and the target risk factor, namely comprehensively considering the construction quality and the construction safety information of each node set and mutual influence among the target risk factors, ensuring the accuracy of an assessment result obtained by calculation, improving the management efficiency of information of the construction tasks based on classification of a plurality of construction tasks based on the scene information, reducing the complexity of performing safety risk assessment respectively based on the plurality of construction tasks in the prior art, reducing the calculated amount, and improving the calculation efficiency and the accuracy.
According to some embodiments of the invention, further comprising: and acquiring corresponding construction cost according to the actual construction progress information, and dynamically monitoring the construction cost.
The beneficial effects of the above technical scheme are that: the construction cost is dynamically monitored, the deviation between the construction cost and the preset construction cost is controlled, and the economic benefit is ensured.
According to some embodiments of the present invention, obtaining actual construction progress information according to the construction data includes:
acquiring an image to be processed comprising the construction data, and converting the image to be processed into an LAB color space to obtain a first color channel value of each pixel point on the image to be processed;
performing clustering analysis according to the first color channel value of the pixel point to obtain a plurality of classification sets; converting the pixel points in the plurality of classification sets into HSV color space to obtain a second color channel value of each pixel point, and calculating to obtain a color value corresponding to each classification set; comparing the color value corresponding to each classification set with a preset color value respectively, and screening out a classification set with the color value consistent with the preset color value as a target classification set; the target classification sets are at least two;
respectively obtaining edge information of the text areas corresponding to the target classification sets, performing feature extraction on the edge information, determining keywords, performing similarity calculation on the keywords and preset keywords, and screening out the target classification sets with the similarity greater than or equal to the preset similarity;
acquiring the size of a font of a character area corresponding to a target classification set with similarity greater than or equal to preset similarity, a first distance between adjacent fonts in the horizontal direction and a second distance between adjacent fonts in the vertical direction;
performing first segmentation processing on the character area according to the size and the first distance;
performing second segmentation processing on the character area according to the size and the second distance;
after the first segmentation processing and the second segmentation processing are carried out, the characters in the character areas are identified to obtain character identification results, the character identification results are serialized, a plurality of semantic areas are obtained based on a semantic identification classification model, and target areas comprising actual construction progress information are selected from the semantic areas and analyzed.
The working principle of the technical scheme is as follows: acquiring an image to be processed comprising the construction data, and converting the image to be processed into an LAB color space to obtain a first color channel value of each pixel point on the image to be processed; the first color channel value includes L, A, B values for three color channels. Performing clustering analysis according to the first color channel value of the pixel point to obtain a plurality of classification sets; converting the pixel points in the plurality of classification sets into HSV color space to obtain a second color channel value of each pixel point, and calculating to obtain a color value corresponding to each classification set; the second color channel value includes the value of the H, S, V channel. The preset color value is the color value of the corresponding character area. Comparing the color value corresponding to each classification set with a preset color value respectively, and screening out a classification set with the color value consistent with the preset color value as a target classification set; the target classification sets are at least two; respectively obtaining edge information of the text areas corresponding to the target classification sets, performing feature extraction on the edge information, determining keywords, performing similarity calculation on the keywords and preset keywords, and screening out the target classification sets with the similarity greater than or equal to the preset similarity; the edge information comprises a first line of a character area, and the preset keywords comprise words representing construction progress and other semantics. And the target classification set with the similarity greater than or equal to the preset similarity is a character area which represents the construction progress information. Acquiring the size of a font of a character area corresponding to a target classification set with similarity greater than or equal to preset similarity, a first distance between adjacent fonts in the horizontal direction and a second distance between adjacent fonts in the vertical direction; performing first segmentation processing on the character area according to the size and the first distance; performing second segmentation processing on the character area according to the size and the second distance; and after the first segmentation processing and the second segmentation processing are carried out, recognizing the characters in the character area to obtain a character recognition result. The first division processing and the second division processing are performed by cutting in rows and columns. The method and the device realize the respective recognition of each character in the character area corresponding to the target classification set with the similarity greater than or equal to the preset similarity, improve the accuracy of character recognition and ensure the accuracy of character recognition results. Serializing the character recognition result, obtaining a plurality of semantic regions based on a semantic recognition classification model, and selecting and analyzing a target region comprising actual construction progress information from the plurality of semantic regions. And the target area including the actual construction progress information is quickly determined and analyzed, so that the efficiency of acquiring the actual construction progress information is improved.
The beneficial effects of the above technical scheme are that: and accurately determining a target classification set based on color classification, further accurately taking out the background area, and screening out a plurality of character areas. And based on the edge information of the character area corresponding to the target classification set, the target classification set is quickly and accurately determined, the character area not including the construction progress information is prevented from being identified, and the identification efficiency is improved. The method and the device realize the respective recognition of each character in the character area corresponding to the target classification set with the similarity greater than or equal to the preset similarity, improve the accuracy of character recognition and ensure the accuracy of character recognition results. And the target area including the actual construction progress information is quickly determined and analyzed, so that the efficiency of acquiring the actual construction progress information is improved.
According to some embodiments of the invention, the pre-processing comprises image denoising and image enhancement.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A method for feedback of construction progress information and real-time deviation display of a BIM (building information modeling) model is characterized by comprising the following steps:
acquiring engineering project information, creating a BIM (building information modeling) according to the engineering project information, and dividing the BIM into sections according to a pipeline for marking;
acquiring construction data, and acquiring actual construction progress information according to the construction data;
and matching the actual construction progress information with the BIM, comparing the matched actual construction progress information in the BIM with corresponding preset progress data, determining a progress lagging engineering task according to a comparison result, and marking different early warning colors on the BIM.
2. The method for construction progress information feedback and BIM model real-time deviation display according to claim 1, further comprising:
classifying and storing the construction data according to structured data and unstructured data, and constructing a database to be monitored in the classifying and storing process;
setting multi-dimensional monitoring indexes for the database to be monitored, determining the incidence relation among the multi-dimensional monitoring indexes, and constructing a monitoring index system;
setting weight coefficients and calculation parameters of all monitoring indexes in the monitoring index system;
and after the classified storage is finished, evaluating the database to be monitored based on the monitoring index system to obtain and display an evaluation result.
3. The method for construction progress information feedback and BIM model real-time deviation display according to claim 1, wherein the obtaining of construction data comprises:
filling a related construction data table according to the checking and accepting process content and the actual construction progress information of the engineering project; in the process of filling and reporting the construction data table, the construction unit personnel fill and report the acceptance data;
and realizing the circulation of the construction data form among different construction unit personnel based on the electronic signature or the electronic signature to obtain the construction data.
4. The method for construction progress information feedback and BIM model real-time deviation display according to claim 2, further comprising:
determining heterogeneous data in a database to be monitored according to the evaluation result;
acquiring high-quality data associated with the heterogeneous data in the database to be monitored;
performing smoothing processing and data restoration processing on the high-quality data based on a least square method to obtain complete data;
inputting the high-quality data, the complete data and the incidence relation between the heterogeneous data and the high-quality data into a pre-trained data incidence model, determining incidence prediction data, and establishing a second identification sequence;
carrying out interpolation calculation on the heterogeneous data, carrying out sequential identification, and determining a first identification sequence of the heterogeneous data corresponding to the deletion;
and matching the first identification sequence with the second identification sequence, and correcting the heterogeneous data according to a matching result.
5. The method for construction progress information feedback and BIM model real-time deviation display according to claim 1, further comprising:
acquiring a monitoring image of a construction site;
preprocessing the monitoring image to obtain a target image;
carrying out image recognition on the target image to obtain a construction task and corresponding construction quality and construction safety information;
and performing safety risk assessment according to the construction task, the corresponding construction quality and the construction safety information, determining an assessment grade according to an assessment result, and sending out a safety warning of a corresponding grade according to the assessment grade.
6. The method for construction progress information feedback and BIM model real-time deviation display according to claim 5, wherein the safety risk assessment according to the construction task and the corresponding construction quality and construction safety information comprises:
acquiring the number and the type of construction tasks;
determining a corresponding risk evaluation model according to the type of the construction task, obtaining model parameters of the risk evaluation model, and determining a risk factor of the construction task according to the model parameters; the model parameters comprise dimensions of a risk assessment model and weight coefficients corresponding to the dimensions;
constructing an accident tree according to the execution sequence of the construction tasks, and establishing a spatial index of the accident tree, wherein the spatial index of the accident tree comprises the construction tasks and corresponding risk factors;
acquiring scene information of the construction tasks, classifying nodes corresponding to the construction tasks on the accident tree according to the scene information, and classifying the nodes belonging to the same scene information into one class to obtain a plurality of node sets; connecting a plurality of node sets according to the conversion sequence of the scene to establish a topological connection relation;
after the topological connection relation is established, writing the construction quality and construction safety information of each node set;
respectively carrying out weighted calculation on the risk factor of each node in each node set to obtain a target risk factor of each node set;
and performing safety risk assessment according to the construction quality and the construction safety information of each node set and the target risk factor to obtain an assessment result of the whole construction task.
7. The method for construction progress information feedback and BIM model real-time deviation display according to claim 1, further comprising: and acquiring corresponding construction cost according to the actual construction progress information, and dynamically monitoring the construction cost.
8. The method for construction progress information feedback and BIM model real-time deviation display according to claim 1, wherein obtaining actual construction progress information according to the construction data comprises:
acquiring an image to be processed comprising the construction data, and converting the image to be processed into an LAB color space to obtain a first color channel value of each pixel point on the image to be processed;
performing clustering analysis according to the first color channel value of the pixel point to obtain a plurality of classification sets; converting the pixel points in the plurality of classification sets into HSV color space to obtain a second color channel value of each pixel point, and calculating to obtain a color value corresponding to each classification set; comparing the color value corresponding to each classification set with a preset color value respectively, and screening out a classification set with the color value consistent with the preset color value as a target classification set; the target classification sets are at least two;
respectively obtaining edge information of the text areas corresponding to the target classification sets, performing feature extraction on the edge information, determining keywords, performing similarity calculation on the keywords and preset keywords, and screening out the target classification sets with the similarity greater than or equal to the preset similarity;
acquiring the size of a font of a character area corresponding to a target classification set with similarity greater than or equal to preset similarity, a first distance between adjacent fonts in the horizontal direction and a second distance between adjacent fonts in the vertical direction;
performing first segmentation processing on the character area according to the size and the first distance;
performing second segmentation processing on the character area according to the size and the second distance;
after the first segmentation processing and the second segmentation processing are carried out, the characters in the character areas are identified to obtain character identification results, the character identification results are serialized, a plurality of semantic areas are obtained based on a semantic identification classification model, and target areas comprising actual construction progress information are selected from the semantic areas and analyzed.
9. The method for construction progress information feedback and BIM model real-time display deviation according to claim 5, wherein the preprocessing comprises image denoising and image enhancement.
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