CN112381943A - Building construction quality monitoring method, system, device and storage medium - Google Patents
Building construction quality monitoring method, system, device and storage medium Download PDFInfo
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Abstract
The application relates to a building construction quality monitoring method, a system, a device and a storage medium. The method comprises the steps of obtaining a construction drawing, carrying out BIM modeling on a target building according to the construction drawing, and generating a construction animation; dividing the construction animation into a plurality of segments, and finishing one construction step for each segment; monitoring the construction process of the target building in real time and generating a construction video; 3D modeling is carried out on the target building according to the construction video to generate a construction model; matching the construction model with the corresponding segment of the construction animation and comparing; and if the comparison result is inconsistent, judging that the quality of the corresponding construction step is unqualified. Through the comparison of the actual construction model and the prediction model, the quality of each construction step can be monitored in the actual construction process, and the construction quality is improved.
Description
Technical Field
The present application relates to the field of building construction quality, and in particular, to a building construction quality monitoring method, system, device, and storage medium.
Background
With the vigorous development of large-scale construction engineering in China, the engineering construction shows the characteristics of diversified investment main bodies, complicated technical process, novel building materials, independent and independent enterprises, large-scale building projects and the like. For a large-scale construction project, quality safety is an important foundation for ensuring smooth construction and safe use, once a quality accident occurs, the smooth construction is influenced, and if the quality accident occurs, engineering hidden dangers are left, or the service life of the building is shortened, even the building collapses, and casualties and huge economic losses are caused. Therefore, quality safety issues and risk management in building construction are receiving wide attention.
However, in the construction process, due to the limitation of construction, most of equipment is manually controlled, so that the uncertainty of the construction process is caused, and if misoperation or operation deviation occurs in the construction process, the construction quality problem is caused, so that the final quality of the building is influenced.
Disclosure of Invention
In order to improve construction quality, the application provides a building construction quality monitoring method, a building construction quality monitoring system, a building construction quality monitoring device and a storage medium.
In a first aspect, the present application provides a method for monitoring building construction quality, which adopts the following technical scheme:
a building construction quality monitoring method comprises the following steps:
acquiring a construction drawing, and carrying out BIM modeling on a target building according to the construction drawing to generate a construction animation;
dividing the construction animation into a plurality of segments, and finishing one construction step for each segment;
monitoring the construction process of the target building in real time and generating a construction video;
3D modeling is carried out on the target building according to the construction video to generate a construction model;
matching the construction model with the corresponding segment of the construction animation and comparing;
and if the comparison result is inconsistent, judging that the quality of the corresponding construction step is unqualified.
By adopting the technical scheme, BIM modeling is carried out on the target building through the BIM technology according to the construction drawing, and a construction animation is generated, wherein the construction animation comprises the construction steps and the construction time of the target building; monitoring the actual construction condition of the target building, performing 3D modeling on the target building according to the actual condition, completing one construction step each time, comparing the 3D model at the moment with the model for completing the construction step in the construction animation, if the two models are consistent, indicating that the actual construction condition is consistent with the expected construction condition, the construction quality is qualified, and if the two models are not consistent, indicating that the actual construction quality is unqualified, and possibly causing errors in the construction.
The present invention in a preferred example may be further configured to: the step of matching and comparing the construction model with the corresponding segments of the construction animation comprises:
marking the construction model at the moment when a construction step is completed;
and comparing the marked construction model with the corresponding segment of the construction animation.
By adopting the technical scheme, in the real-time monitoring construction process, the marking is carried out every time one step is finished, and the situation of non-matching when the construction animation segment is compared with the construction animation segment is avoided.
The present invention in a preferred example may be further configured to: the marking of the construction model at the time when a construction step is completed comprises:
acquiring the time of each construction step according to the construction drawing;
acquiring the weather condition of the day, and judging whether the weather condition is suitable for construction;
if the construction is suitable, recording the current day as a construction day;
and marking the construction model at the end of the day when the construction day accumulation reaches the corresponding construction step time.
By adopting the technical scheme, the construction drawing comprises a construction planning book, wherein the construction planning book comprises the progress planning of each step of construction, namely the time required by each construction step; the weather condition of the day is monitored in real time, if the weather condition of the day meets the construction conditions, the day is recorded as a construction day, after the time required by the step is up to the accumulated construction day, when the construction is finished on the last day of the accumulated construction day, the construction model of the target building is obtained, and the construction model is compared with the corresponding segment in the construction animation, so that the construction animation and the construction model are matched more accurately, and if the difference between the construction model and the construction animation is too large, the progress of actual construction can be monitored at the same time.
The present invention in a preferred example may be further configured to: the step of comparing the marked construction model with the corresponding segment of the construction animation comprises the following steps:
exporting the marked construction model into a construction model picture;
exporting the last frame of the segment corresponding to the construction animation into a construction animation picture;
respectively reading RGB values of the pixels of the construction model picture and the construction animation picture;
respectively calculating corresponding gray scales according to the RGB values of the construction model picture and the construction animation picture;
and calculating a similarity coefficient according to the gray scale, and comparing through the similarity coefficient.
By adopting the technical scheme, the RGB values of the pixel points of the corresponding pictures of the construction model and the construction animation are respectively read, the corresponding gray values are read, the similarity coefficients of the pixel points are calculated according to the gray values, all the pixel points are taken for comparison, whether actual construction is consistent with preset construction is judged through the similarity coefficients, if not, the inconsistent degree is large, and therefore the construction quality and progress can be observed conveniently.
The present invention in a preferred example may be further configured to: naming each segment and naming each marked construction model respectively, wherein each name represents one construction step, and each segment corresponds to each marked construction model one by one.
By adopting the technical scheme, the construction segment and the construction model are named respectively, so that the matched part of the construction segment and the construction model can be found out more conveniently and visually, and the post-inspection after storage is facilitated.
In a second aspect, the present application provides a building construction quality monitoring system, which adopts the following technical scheme:
a building construction quality monitoring system comprising:
the generating device is used for acquiring a construction drawing, carrying out BIM modeling on a target building according to the construction drawing and generating a construction animation;
the dividing device is used for dividing the construction animation into a plurality of fragments, and each fragment correspondingly completes one construction step;
the monitoring device monitors the construction process of the target building in real time and generates a construction video;
the modeling device is used for carrying out 3D modeling on the target building according to the construction video to generate a construction model;
the comparison device is used for matching the construction model with the corresponding segment of the construction animation and comparing the construction model with the corresponding segment of the construction animation;
and the judging device judges that the quality of the corresponding construction step is unqualified if the comparison result is inconsistent.
By adopting the technical scheme, BIM modeling is carried out on the target building through the BIM technology according to the construction drawing, and a construction animation is generated, wherein the construction animation comprises the construction steps and the construction time of the target building; monitoring the actual construction condition of the target building, performing 3D modeling on the target building according to the actual condition, completing one construction step each time, comparing the 3D model at the moment with the model for completing the construction step in the construction animation, if the two models are consistent, indicating that the actual construction condition is consistent with the expected construction condition, the construction quality is qualified, and if the two models are not consistent, indicating that the actual construction quality is unqualified, and possibly causing errors in the construction.
The present invention in a preferred example may be further configured to: and the naming device is used for naming each segment and naming each marked construction model respectively, each name represents one construction step, and each segment corresponds to each marked construction model one by one.
By adopting the technical scheme, the construction segment and the construction model are named respectively, so that the matched part of the construction segment and the construction model can be found out more conveniently and visually, and the post-inspection after storage is facilitated.
In a third aspect, the present application provides a building construction quality monitoring device, which adopts the following technical scheme:
a building construction quality monitoring device comprising:
the generation module is used for acquiring a construction drawing, carrying out BIM modeling on a target building according to the construction drawing and generating a construction animation;
the division module is used for dividing the construction animation into a plurality of fragments, and each fragment correspondingly completes one construction step;
the monitoring module monitors the construction process of the target building in real time and generates a construction video;
the modeling module is used for carrying out 3D modeling on the target building according to the construction video to generate a construction model;
the comparison module is used for matching the construction model with the corresponding segment of the construction animation and comparing the construction model with the corresponding segment of the construction animation;
and the judging module judges that the corresponding construction steps are unqualified if the comparison result is inconsistent.
By adopting the technical scheme, BIM modeling is carried out on the target building through the BIM technology according to the construction drawing, and a construction animation is generated, wherein the construction animation comprises the construction steps and the construction time of the target building; monitoring the actual construction condition of the target building, performing 3D modeling on the target building according to the actual condition, completing one construction step each time, comparing the 3D model at the moment with the model for completing the construction step in the construction animation, if the two models are consistent, indicating that the actual construction condition is consistent with the expected construction condition, the construction quality is qualified, and if the two models are not consistent, indicating that the actual construction quality is unqualified, and possibly causing errors in the construction.
The present invention in a preferred example may be further configured to: and the naming module is used for naming each segment and naming each marked construction model respectively, each name represents one construction step, and each segment corresponds to each marked construction model one by one.
By adopting the technical scheme, the construction segment and the construction model are named respectively, so that the matched part of the construction segment and the construction model can be found out more conveniently and visually, and the post-inspection after storage is facilitated.
In a fourth aspect, the present application provides a computer-readable storage medium storing a computer program that can be loaded by a processor and execute any one of the above-mentioned building construction quality monitoring methods.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the scheme, a target building is modeled through BIM modeling to generate a construction animation, real-time monitoring is carried out on actual construction, namely a 3D model is generated, and each time a construction step is completed, the 3D model is compared with a corresponding segment of the construction animation, so that the construction quality of the actual construction is monitored, and the construction quality is improved;
2. according to the scheme, whether the current day is a construction day is judged according to weather conditions, a target building model of actual construction is obtained according to the accumulation of the construction days, construction quality is monitored through comparison, and whether the construction progress is overdue or delayed is monitored;
3. in the scheme, the construction model and the corresponding animation in the construction animation are named so as to be matched for comparison and be convenient for searching afterwards.
Drawings
Fig. 1 is a schematic flow chart in the first embodiment of the present application.
Fig. 2 is a schematic flow chart in a second embodiment of the present application.
Fig. 3 is a block diagram of the third embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
The first embodiment is as follows:
a building construction quality monitoring method, referring to fig. 1, comprising:
101. and acquiring a construction drawing, and carrying out BIM modeling on the target building according to the construction drawing to generate a construction animation.
Specifically, the construction animation is a process animation generated by 4D simulation and combining BIM modeling technology. The construction drawing is obtained by the method, wherein the construction drawing comprises a construction planning book and a CAD plane drawing of a target building, the planning book comprises a complete construction scheme, the construction scheme at least comprises a plurality of construction steps, and the construction time of each construction step is planned, namely a construction progress plan.
Firstly, establishing a three-dimensional model of a target building structure by using Autodesk Revit software according to a CAD (computer-aided design) plane drawing of the target building, wherein the three-dimensional model of the building structure comprises a building site, a building road, beam-slab-column structures of a plurality of buildings, peripheral temporary facilities and the like.
Exporting the three-dimensional model of the building structure into a nwc-format file by using Autodesk Revit software, wherein the file nwc is exported for animation simulation in Navisvarks software, and nwc is a Navisvarks seed buffer format file; the Navisvarks software is software for visualizing, simulating and analyzing three-dimensional design models in various formats, and the Navisvarks solution supports all project-related parties to reliably integrate, share and review detailed three-dimensional design models and is in a core position in Building Information Model (BIM) workflow. BIM is significant in that mutually consistent and computable information about a construction project is created and used at the design and construction stage and thereafter.
The construction progress plan is imported into a timeline (timeline) tool of Navisthroks software, the corresponding building component set is in attachment association with the corresponding construction period time, the plan starting time and the plan ending time and the actual construction starting time and actual construction ending time are set, the task type of the set is selected, and the 4D construction period animation of the target building is created according to the construction progress plan.
102. And dividing the construction animation into a plurality of segments, wherein each segment correspondingly completes one construction step.
Specifically, the construction animation is divided into a plurality of segments, and each segment represents the beginning, the proceeding and the ending of one construction step. Each construction step is divided by a plurality of construction steps planned in the construction planning book.
103. And monitoring the construction process of the target building in real time to generate a construction video.
Specifically, the unmanned aerial vehicle carries a camera to monitor the construction process of a target building;
unmanned aerial vehicle passes through oblique photography technique, through carrying on many sensors on same flight platform promptly, specifically can be five camera lenses, follows simultaneously different angles such as perpendicular, slope and gathers the image, acquires the more complete accurate information of target building.
And the camera transmits real-time data to a computer of the server, so that the video shot by the camera is transmitted to the server in real time.
104. And 3D modeling is carried out on the target building according to the construction video to generate a construction model.
Specifically, 3D modeling is carried out on the construction video through 3Dmax software, so that a construction model is generated, and real-time updating of the construction model is realized due to the fact that construction of a target building is monitored in real time.
105. And matching the construction model with the corresponding segment of the construction animation and comparing.
Specifically, a construction step is completed in each actual construction process, the construction model at the moment is the actual building condition after the construction step is completed, and the construction model at the moment is compared with the segment of the construction animation after the construction step is completed.
Further, when a construction step is completed, marking the construction model at the moment;
and comparing the marked construction model with the corresponding segment of the construction animation.
Specifically, each time a construction step is completed, the construction model actually completing the step is presented at this time, the construction model at this time is exported and stored as a new file, the file is marked in a manner of a label, the label number corresponds to the sequence of the specific construction step one by one, for example, if the first step in the specific construction step is foundation making, the corresponding number pair is 1. Namely, the construction animation corresponding to the construction sequence can be found through numbers for comparison.
Preferably, the construction animation is divided into a plurality of segments, the segments are divided according to the construction steps, and the first frame and the last frame of each construction segment are marked, so that the corresponding playing positions on the progress bar in the construction animation are marked, and an operator can find the corresponding construction animation segments in time according to the marks of the construction model for comparison.
Further, acquiring the time of each construction step according to the construction drawing;
acquiring the weather condition of the day, and judging whether the weather condition is suitable for construction;
if the construction is suitable, recording the current day as a construction day;
and marking the construction model at the end of the day when the construction day accumulation reaches the corresponding construction step time.
Specifically, the time planning in the planning book is based on the time planning of the construction steps, for example, how many days are needed for finishing foundation construction and how many days are needed for finishing cement pouring, and the time planning in the planning book is based on the conditions of materials, fields, equipment manpower and the like, and is taken into consideration for planning, and the actual construction is carried out according to the time planning of the planning book.
Acquiring the weather condition of the day, specifically acquiring information according to the weather forecast of the day, and judging whether the weather condition is suitable for construction, namely when severe weather such as rain, strong wind, snow and the like occurs in the day, the weather is not suitable for construction, and no record is made; and if the weather is not severe, construction can be carried out, and the day is recorded as a construction day.
And accumulating the last day of the construction day when the accumulated time of the construction day reaches the planning date of the construction step through the accumulation of the construction days, judging that the construction step is completed, acquiring a construction model of the target building when the construction at the date is finished, and taking the model as the construction model of the construction step. And in order to avoid disturbing residents, the construction time is set to be 8 am to 10 pm, 3D modeling is carried out on the target building at 10 pm, and the construction model is the construction model at the end of the day.
Preferably, when the construction model at the moment is compared with the corresponding construction animation segment, if the comparison difference is too large, the construction progress of the construction step is judged not to reach the expectation, and therefore the actual construction progress is monitored. Correspondingly modifying the matching of the construction model and the segments of the construction animation according to the actual construction condition, for example, the foundation construction plan is 30 days, the pouring cement plan is 10 days, the foundation construction is performed from the 1 st day to the 30 th day, and the pouring cement is performed from the 31 st day to the 40 th day; however, in actual construction, it takes 35 days to construct a foundation according to the modeling hairstyle, and the construction segments for constructing the foundation from day 1 to day 35 are defined, the construction segments for pouring cement from day 36 to day 45 are defined, and so on.
Further, exporting the marked construction model into a construction model picture;
exporting the last frame of the segment corresponding to the construction animation into a construction animation picture;
respectively reading RGB values of the pixels of the construction model picture and the construction animation picture;
respectively calculating corresponding gray scales according to the RGB values of the construction model picture and the construction animation picture;
and calculating a similarity coefficient according to the gray scale, and comparing through the similarity coefficient.
Specifically, the marked construction model is exported to be in a picture format, which can be a picture including the whole appearance and structure of the target building, or a plurality of pictures of different viewing angles of the target building; and exporting the last frame in the segment corresponding to the construction animation, namely the current target building when the construction step is completed, to a picture format, wherein the last frame can be a picture including all appearances and structures of the target building and is consistent with the picture format and the view angle of the construction model, and pictures of different view angles of the target building can be obtained from the BIM modeling model and are in one-to-one correspondence with a plurality of pictures in the construction model.
Reading the RGB value of a pixel point A in the construction model picture and the RGB value of a pixel point B at the same position of the picture corresponding to the construction animation;
calculating a gray value YA [ j ] [ i ] =0.3 × R +0.59 × G +0.11 × B corresponding to the pixel point A;
calculating a gray value YB [ j ] [ i ] = 0.3R + 0.59G + 0.11B corresponding to the pixel point B;
calculating the similarity coefficient of the point;
specifically, fabs (YA [ j ] [ i ] -YB [ j ] [ i ])/((YA [ j ] [ i ] + YB [ j ] [ i ])/2.0);
the smaller the obtained value of the similarity coefficient is, the more similar the value is.
And circulating the step to obtain the similarity coefficients of a plurality of pixel points, and performing statistical calculation to judge whether the two pictures are completely consistent.
106. And if the comparison result is inconsistent, judging that the quality of the corresponding construction step is unqualified.
Specifically, through comparison of the similarity coefficients, if the comparison result is inconsistent, the actual construction condition is judged to be inconsistent with the expected construction condition, the quality of the corresponding construction step is judged to be unqualified, and the step is repeated or construction is continued according to the actual condition, so that the construction quality is ensured.
107. Naming each segment and naming each marked construction model respectively, wherein each name represents one construction step, and each segment corresponds to each marked construction model one by one.
Specifically, after the marked construction model and construction segment are saved as new files, naming is performed in a format of a specific construction step, specifically, building-foundation making is performed through 'XX', so that an operator can check the construction project conveniently, and compared with the method of only marking, the naming mode is more visual.
The implementation principle of the embodiment is as follows:
carrying out BIM modeling on a target building through a BIM technology according to a construction drawing to generate a construction animation, wherein the construction animation comprises the construction steps and the construction time of the target building; monitoring the actual construction condition of a target building, performing 3D modeling on the target building according to the actual condition, completing one construction step each time, comparing the 3D model at the moment with the model for completing the construction step in the construction animation, judging whether the picture of the actual construction model is consistent with the picture generated by the construction animation by a method for calculating a similarity coefficient, if the two models are consistent, indicating that the actual construction condition is consistent with the expected construction condition, the construction quality is qualified, and if the two models are not consistent, indicating that the actual construction quality is unqualified, the step may generate errors during construction;
when the steps of the construction model and the construction animation are matched, the construction planning time is taken as a reference for matching, whether actual construction is completed on schedule or not can be monitored, and the construction progress monitoring effect is achieved.
Example two:
a building construction quality monitoring system, with reference to fig. 2, comprising:
the generation device 201 acquires a construction drawing, and performs BIM modeling on a target building according to the construction drawing to generate a construction animation.
The dividing device 202 divides the construction animation into a plurality of segments, and each segment correspondingly completes one construction step.
And the monitoring device 203 monitors the construction process of the target building in real time and generates a construction video.
And a modeling device 204 for performing 3D modeling on the target building according to the construction video to generate a construction model.
And the comparison device 205 is used for matching the construction model with the corresponding segment of the construction animation and comparing the construction model with the corresponding segment of the construction animation.
Further, when a construction step is completed, marking the construction model at the moment;
and comparing the marked construction model with the corresponding segment of the construction animation.
Further, acquiring the time of each construction step according to the construction drawing;
acquiring the weather condition of the day, and judging whether the weather condition is suitable for construction;
if the construction is suitable, recording the current day as a construction day;
and marking the construction model at the end of the day when the construction day accumulation reaches the corresponding construction step time.
Further, exporting the marked construction model into a construction model picture;
exporting the last frame of the segment corresponding to the construction animation into a construction animation picture;
respectively reading RGB values of the pixels of the construction model picture and the construction animation picture;
respectively calculating corresponding gray scales according to the RGB values of the construction model picture and the construction animation picture;
and calculating a similarity coefficient according to the gray scale, and comparing through the similarity coefficient.
If the comparison result is inconsistent, the determining device 206 determines that the quality of the corresponding construction step is not qualified.
And the naming device 207 is used for naming each segment and naming each marked construction model respectively, each name represents one construction step, and each segment corresponds to each marked construction model one by one.
Example three:
a construction quality monitoring apparatus, referring to fig. 3, comprising:
the generation device 301 acquires a construction drawing, and performs BIM modeling on a target building according to the construction drawing to generate a construction animation.
The dividing device 302 is configured to divide the construction animation into a plurality of segments, and each segment correspondingly completes a construction step.
And the monitoring device 303 is used for monitoring the construction process of the target building in real time and generating a construction video.
And a modeling device 304 for performing 3D modeling on the target building according to the construction video to generate a construction model.
And a comparison device 305 for matching the construction model with the corresponding segment of the construction animation and comparing the construction model with the corresponding segment of the construction animation.
Further, when a construction step is completed, marking the construction model at the moment;
and comparing the marked construction model with the corresponding segment of the construction animation.
Further, acquiring the time of each construction step according to the construction drawing;
acquiring the weather condition of the day, and judging whether the weather condition is suitable for construction;
if the construction is suitable, recording the current day as a construction day;
and marking the construction model at the end of the day when the construction day accumulation reaches the corresponding construction step time.
Further, exporting the marked construction model into a construction model picture;
exporting the last frame of the segment corresponding to the construction animation into a construction animation picture;
respectively reading RGB values of the pixels of the construction model picture and the construction animation picture;
respectively calculating corresponding gray scales according to the RGB values of the construction model picture and the construction animation picture;
and calculating a similarity coefficient according to the gray scale, and comparing through the similarity coefficient.
And the judging device 306 judges that the quality of the corresponding construction step is not qualified if the comparison result is inconsistent.
The naming device 307 names each of the segments and each of the labeled construction models, each name representing one construction step, and each of the segments and each of the labeled construction models are in one-to-one correspondence.
It should be noted that: in the building construction quality monitoring method, the above-mentioned division of the functional modules is merely used for illustration, and in practical applications, the above-mentioned function distribution can be completed by different functional modules according to needs, that is, the device and the internal structure of the device are divided into different functional modules, so as to complete all or part of the above-mentioned functions. In addition, the embodiments of the method, the system and the device for monitoring the building construction quality provided by the embodiments belong to the same concept, and specific implementation processes are detailed in the embodiments of the method and are not described herein again.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A building construction quality monitoring method is characterized by comprising the following steps:
acquiring a construction drawing, and carrying out BIM modeling on a target building according to the construction drawing to generate a construction animation;
dividing the construction animation into a plurality of segments, and finishing one construction step for each segment;
monitoring the construction process of the target building in real time and generating a construction video;
3D modeling is carried out on the target building according to the construction video to generate a construction model;
matching the construction model with the corresponding segment of the construction animation and comparing;
and if the comparison result is inconsistent, judging that the quality of the corresponding construction step is unqualified.
2. The method of claim 1, wherein matching and comparing the construction model to segments corresponding to the construction animation comprises:
marking the construction model at the moment when a construction step is completed;
and comparing the marked construction model with the corresponding segment of the construction animation.
3. The method of claim 2, wherein marking the construction model at the time each construction step is completed comprises:
acquiring the time of each construction step according to the construction drawing;
acquiring the weather condition of the day, and judging whether the weather condition is suitable for construction;
if the construction is suitable, recording the current day as a construction day;
and marking the construction model at the end of the day when the construction day accumulation reaches the corresponding construction step time.
4. The method of claim 3, wherein said aligning the labeled construction model to a segment corresponding to a construction animation comprises:
exporting the marked construction model into a construction model picture;
exporting the last frame of the segment corresponding to the construction animation into a construction animation picture;
respectively reading RGB values of the pixels of the construction model picture and the construction animation picture;
respectively calculating corresponding gray scales according to the RGB values of the construction model picture and the construction animation picture;
and calculating a similarity coefficient according to the gray scale, and comparing through the similarity coefficient.
5. The method of claim 2, comprising:
naming each segment and naming each marked construction model respectively, wherein each name represents one construction step, and each segment corresponds to each marked construction model one by one.
6. A building construction quality monitoring system, comprising:
the generating device is used for acquiring a construction drawing, carrying out BIM modeling on a target building according to the construction drawing and generating a construction animation;
the dividing device is used for dividing the construction animation into a plurality of fragments, and each fragment correspondingly completes one construction step;
the monitoring device monitors the construction process of the target building in real time and generates a construction video;
the modeling device is used for carrying out 3D modeling on the target building according to the construction video to generate a construction model;
the comparison device is used for matching the construction model with the corresponding segment of the construction animation and comparing the construction model with the corresponding segment of the construction animation;
and the judging device judges that the quality of the corresponding construction step is unqualified if the comparison result is inconsistent.
7. The system of claim 6, comprising:
and the naming device is used for naming each segment and naming each marked construction model respectively, each name represents one construction step, and each segment corresponds to each marked construction model one by one.
8. A building construction quality monitoring device, characterized by, includes:
the generation module is used for acquiring a construction drawing, carrying out BIM modeling on a target building according to the construction drawing and generating a construction animation;
the division module is used for dividing the construction animation into a plurality of fragments, and each fragment correspondingly completes one construction step;
the monitoring module monitors the construction process of the target building in real time and generates a construction video;
the modeling module is used for carrying out 3D modeling on the target building according to the construction video to generate a construction model;
the comparison module is used for matching the construction model with the corresponding segment of the construction animation and comparing the construction model with the corresponding segment of the construction animation;
and the judging module judges that the corresponding construction steps are unqualified if the comparison result is inconsistent.
9. The apparatus of claim 8, comprising:
and the naming module is used for naming each segment and naming each marked construction model respectively, each name represents one construction step, and each segment corresponds to each marked construction model one by one.
10. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method of any one of claims 1 to 5.
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