CN116524441B - Construction site supervision method for engineering project management - Google Patents
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Abstract
The application relates to the technical field of engineering project management, in particular to a construction site supervision method for engineering project management, which comprises the following steps: acquiring image data of a construction site, and establishing a mapping relation between the ground in the image data and a plan view of the construction site according to the view angle of the image data; capturing a footfall point of a worker in the working process, and extracting boundary lines between soles of the worker and the ground at the footfall point in image data; mapping the boundary line into the plan to obtain a mapped boundary line, and complementing the edge line of the sole according to the mapped boundary line to obtain a footprint image at the foothold point; determining the geometric center of the footprint image as a base reference point; marking all the datum reference points of workers in the working process in a plan view, performing cluster analysis according to all the datum reference points to obtain an aggregation area, and marking the aggregation area in the plan view and/or image data. The intuitiveness of construction supervision can be effectively improved.
Description
Technical Field
The application relates to the technical field of engineering project management, in particular to a construction site supervision method for engineering project management.
Background
In the traditional engineering project management work, a manual supervision mode is still generally adopted to supervise and manage a construction site, so that the labor cost is high, the supervision effect is poor, and negligence and careless mistakes are easy to generate in work. The method is very unfavorable for further improving the rationality of construction arrangement, guaranteeing the construction safety of workers and improving supervision effect.
In view of this, the present application has been made.
Disclosure of Invention
The application aims to provide a construction site supervision method for engineering project management, which can effectively improve pertinence and intuitiveness of construction supervision, reduce the degree of dependence on manpower, reduce physical burden of supervision staff, and has positive effects on further improving rationality of construction arrangement, ensuring construction safety of workers and improving supervision effect.
Embodiments of the present application are implemented as follows:
a job site supervision method for engineering project management, comprising the steps of:
s1, acquiring image data of a construction site, and establishing a mapping relation between the ground in the image data and a plan of the construction site according to the view angle of the image data;
s2, capturing a foothold of a worker in the working process, and extracting boundary lines between soles of the worker at the foothold and the ground in image data;
s3, mapping the boundary line into the plan to obtain a mapped boundary line, and complementing the edge line of the sole according to the mapped boundary line to obtain a footprint image at the foothold;
s4, determining the geometric center of the footprint image as a datum reference point;
s5, marking all the datum reference points of workers in the working process in a plan view, performing cluster analysis according to all the datum reference points to obtain an aggregation area, and marking the aggregation area in the plan view and/or image data.
Further, in step S5, when performing cluster analysis according to all the base reference points, the method includes:
distinguishing and marking the datum reference point according to each worker;
for the datum reference points belonging to the same worker, connecting the datum reference points according to the sequence of the generation time to generate a path curve of each worker;
replacing the path curve with punctiform lines;
and carrying out cluster analysis on the points in all the punctiform lines to obtain an aggregation area.
Further, the distance between adjacent points in the dot-shaped line is 10-20 mm.
Further, in step S5, when performing cluster analysis according to all the base reference points, the method includes:
distinguishing and marking the datum reference point according to each worker;
for the datum reference points belonging to the same worker, connecting the datum reference points according to the sequence of the generation time to generate a path curve of each worker;
performing offset processing on the two sides of the path curve, wherein the offset distance is just enough to enable all footprint images of the worker on the path to be just surrounded, so as to obtain a path area;
and carrying out cluster analysis on all the path areas to obtain an aggregation area.
Further, when performing cluster analysis on all the path regions, the method includes:
equally dividing the plan into a plurality of unit areas, and if one gathering area passes through a certain unit area, adding a unit heat value for the unit area;
and performing heat-based clustering analysis on all unit areas with aggregation areas passing through to obtain the aggregation areas.
Further, the construction site supervision method for engineering project management further comprises the following steps:
and counting the total residence time of workers in each unit area, setting the unit residence time, and adding a unit heat value for each unit residence time of the workers in a certain unit area.
Further, the unit area is a square area with a side length of 10-20 mm.
Further, the construction site supervision method for engineering project management further comprises the following steps:
the induction end is arranged on the body of the worker, the temperature detection module is arranged on the induction end, and the working environment temperature of each worker is detected by the temperature detection module.
Further, the construction site supervision method for engineering project management further comprises the following steps:
the method comprises the steps that an induction end is arranged on a worker, and a ground clearance height detection module is arranged on the induction end;
setting a time threshold, and if the ground clearance height value detected by the sensing end of a certain worker is kept at a fixed value and the duration exceeds the time threshold, sending a prompt to a manager.
Further, the construction site supervision method for engineering project management further comprises the following steps:
the induction end is arranged on the worker body and provided with a shaking detection module;
setting a time threshold, and if the shaking value detected by the sensing end of a worker is kept at a fixed value and the duration exceeds the time threshold, sending a prompt to a manager.
The technical scheme of the embodiment of the application has the beneficial effects that:
the aggregation area obtained by the construction site supervision method for engineering project management provided by the embodiment of the application reflects an area with highly concentrated datum reference points, namely a main area for frequent activities of workers.
In this way, the main working range of the workers in work can be counted and displayed, and for supervisory personnel, the main working range of the workers in daily work can be intuitively known, so that the work composition and time distribution of the workers are reflected to a certain extent, and the method has higher reference value for regulating and controlling the rationality of the work content of the workers and optimizing the division of different workers.
On the other hand, through the design, the working activity condition and the distribution condition of workers in the working time can be rapidly mastered without constant on-site supervision, and the method has positive significance in optimizing on-site work arrangement and avoiding risk areas.
In general, the construction site supervision method for engineering project management provided by the embodiment of the application can effectively improve pertinence and intuitiveness of construction supervision, reduce the degree of dependence on manpower, reduce physical burden of supervision staff, and has positive effects on further improving rationality of construction arrangement, ensuring construction safety of workers and improving supervision effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a construction site supervision method for engineering project management according to an embodiment of the present application when confirming a boundary line between a sole of a worker and the ground at a landing point;
FIG. 2 is a schematic diagram of a boundary line between a sole of a worker and the ground at a foothold identified by a construction site supervision method for project management according to an embodiment of the present application;
FIG. 3 is a schematic view of the boundary line between the sole of the worker and the ground at the extracted foothold mapped into a plan view;
FIG. 4 is a schematic illustration of the alignment of the mapped boundary lines to obtain an image of the footprint at the foothold;
FIG. 5 is a schematic illustration of a worker's path curve based on a fiducial reference point;
FIG. 6 is a schematic illustration of a punctiform line based on a path curve of a worker;
FIG. 7 is a schematic illustration of a path area based on a worker's path curve;
fig. 8 is a schematic diagram of confirming a heat value of a cell area according to a path area.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Examples
The embodiment provides a construction site supervision method for engineering project management, which comprises the following steps:
s1, acquiring image data of a construction site, and establishing a mapping relation between the ground in the image data and a plan view of the construction site according to the view angle of the image data. This step enables an image conversion between the angle of view of the lens and the plan view of the construction site, i.e. for a certain object in the image data, the position of the object in the plan view can be deduced from its position in the image field of view.
S2, capturing a foothold of a worker in the working process, and extracting boundary lines between soles of the worker at the foothold and the ground in image data. As indicated by the boundary line ab in fig. 1 and 2.
And S3, mapping the boundary line into the plan view to obtain a mapped boundary line, as shown by a line a 'b' in fig. 3, and complementing the sole boundary line according to the mapped boundary line to obtain the footprint image at the landing point, as shown by the complemented footprint image in fig. 4.
S4, determining the geometric center of the footprint image as a datum reference point. As indicated by the fiducial reference point p in fig. 4.
S5, marking all the datum reference points of workers in the working process in a plan view, performing cluster analysis according to all the datum reference points to obtain an aggregation area, and marking the aggregation area in the plan view and/or image data.
The aggregate area reflects an area in which the fiducial reference points are highly concentrated, and thus represents a major area in which workers frequently move.
In this way, the main working range of the workers in work can be counted and displayed, and for supervisory personnel, the main working range of the workers in daily work can be intuitively known, so that the work composition and time distribution of the workers are reflected to a certain extent, and the method has higher reference value for regulating and controlling the rationality of the work content of the workers and optimizing the division of different workers.
On the other hand, through the design, the working activity condition and the distribution condition of workers in the working time can be rapidly mastered without constant on-site supervision, and the method has positive significance in optimizing on-site work arrangement and avoiding risk areas.
In general, the construction site supervision method for engineering project management can effectively improve pertinence and intuitiveness of construction supervision, reduce the degree of dependence on manpower, reduce physical burden of supervision staff, and has positive effects on further improving rationality of construction arrangement, guaranteeing construction safety of workers and improving supervision effect.
The image data of the construction site may be acquired by a panoramic camera, but is not limited thereto.
In this embodiment, in step S5, when performing cluster analysis according to all the base reference points, the method includes:
distinguishing and marking the datum reference point according to each worker;
for the reference points belonging to the same worker, connecting the reference points according to the sequence of the generation time (namely, the sequence in the walking process of the worker), and generating a path curve of each worker, as shown by a line x in fig. 5;
the path curve is replaced entirely by a dotted line, as indicated by the line x in fig. 6;
and carrying out cluster analysis on the points in all the punctiform lines to obtain an aggregation area.
The distance between adjacent points in the punctiform lines is 10-20 mm.
Through the design, the regular activity area of the workers can be confirmed according to the actual path of each worker, and the method is more accurate.
In other embodiments of the present application, in step S5, when performing cluster analysis according to all the base reference points, the following manner may be adopted:
distinguishing and marking the datum reference point according to each worker;
for the datum reference points belonging to the same worker, connecting the datum reference points according to the sequence of the generation time to generate a path curve of each worker, as shown by a line y in fig. 7;
performing offset processing on the path curve to two sides of the path curve, wherein the offset distance is just enough to surround all footprint images of the worker on the path, so as to obtain a path area, as shown by an area y' in fig. 7;
and carrying out cluster analysis on all the path areas to obtain an aggregation area.
When the clustering analysis is performed on all the path areas, the method comprises the following steps:
the plan view is equally divided into a number of cell areas, as shown in fig. 8, one cell area per grid. If one gathering area y' passes through a certain unit area, adding a unit heat value for the unit area;
and performing heat-based clustering analysis on all unit areas with aggregation areas passing through to obtain the aggregation areas.
Optionally, the construction site supervision method for engineering project management further comprises: and counting the total residence time of workers in each unit area, setting the unit residence time, and adding a unit heat value for each unit residence time of the workers in a certain unit area.
The unit area is a square area with the side length of 10-20 mm.
If the path curve repeatedly passes through some regions, the path region corresponding to the path curve repeatedly passes through the regions, and each pass increases the heat value by one unit for the corresponding cell region.
When the path region passes through a certain cell region, the path region covers only a part of the cell region, and the heat value of one unit is added to the cell region.
In addition, the unit residence time can be flexibly set according to actual needs.
Through the design, the regular activity area of the workers can be confirmed according to the actual path of each worker, meanwhile, the area between the two legs in the walking process is counted, and the result is more accurate.
In order to improve the security of the working condition of the worker, the construction site supervision method for engineering project management further comprises the following steps: the induction end is arranged on the body of the worker, the temperature detection module is arranged on the induction end, and the working environment temperature of each worker is detected by the temperature detection module. If the working environment temperature is detected to be too high, the work of the worker can be adjusted at the first time, so that the health of the worker is ensured.
Optionally, the sensing end is further provided with a ground clearance detection module. Setting a time threshold, and if the ground clearance height value detected by the sensing end of a certain worker is kept at a fixed value and the duration exceeds the time threshold, sending a prompt to a manager. In general, when a worker is performing a construction operation while the worker is performing a construction operation, the body of the worker is in an active state, and the height from the ground detected by a sensing end worn on the worker is constantly changed. If the height above ground detected by the sensing end of a worker remains at a constant value and the duration exceeds a time threshold, then discomfort or even syncope may occur to the worker, which is important in monitoring the health of the worker during operation.
Optionally, the sensing end is provided with a shake detection module. Setting a time threshold, and if the shaking value detected by the sensing end of a worker is kept at a fixed value and the duration exceeds the time threshold, sending a prompt to a manager. In general, when a worker performs a construction operation while performing a construction operation on site, the body of the worker is in an active state, and the intensity of shaking detected by a sensing end worn on the worker is constantly changed. If the shaking intensity value detected by the sensing end of a worker is kept at a constant value, for example, kept at a low value and the duration exceeds a time threshold, discomfort or even syncope may occur to the worker, which has an important role in monitoring the health of the worker during work.
In summary, the construction site supervision method for engineering project management provided by the embodiment of the application can effectively improve pertinence and intuitiveness of construction supervision, reduce the degree of dependence on manpower, reduce physical burden of supervision staff, and has positive effects on further improving rationality of construction arrangement, guaranteeing construction safety of workers and improving supervision effect.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. 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 construction site supervision method for engineering project management, comprising the steps of:
s1, acquiring image data of a construction site, and establishing a mapping relation between the ground in the image data and a plan view of the construction site according to the view angle of the image data;
s2, capturing a foothold of a worker in the working process, and extracting boundary lines between soles of the worker at the foothold and the ground in the image data;
s3, mapping the boundary line into the plan to obtain a mapped boundary line, and complementing the edge line of the sole according to the mapped boundary line to obtain a footprint image at the landing point;
s4, determining the geometric center of the footprint image as a datum reference point;
s5, marking all the datum reference points of workers in the working process in the plan, performing cluster analysis according to all the datum reference points to obtain an aggregation area, and marking the aggregation area in the plan and/or the image data.
2. The construction site supervision method for engineering project management according to claim 1, wherein in the step S5, when cluster analysis is performed based on all the base reference points, comprising:
distinguishing and marking the datum reference point according to each worker;
for the datum reference points belonging to the same worker, connecting the datum reference points according to the sequence of the generation time to generate a path curve of each worker;
replacing all the path curves with punctiform lines;
and carrying out cluster analysis on the points in all the punctiform lines to obtain the aggregation area.
3. The construction site supervision method for engineering project management according to claim 2, wherein the distance between adjacent points in the punctiform line is 10-20 mm.
4. The construction site supervision method for engineering project management according to claim 1, wherein in the step S5, when cluster analysis is performed based on all the base reference points, comprising:
distinguishing and marking the datum reference point according to each worker;
for the datum reference points belonging to the same worker, connecting the datum reference points according to the sequence of the generation time to generate a path curve of each worker;
performing offset processing on the path curve to two sides of the path curve, wherein the offset distance is just enough to enable all footprint images of the worker on the path to be just surrounded, so as to obtain a path area;
and carrying out cluster analysis on all the path areas to obtain the aggregation area.
5. The construction site supervision method for engineering project management according to claim 4, wherein the clustering analysis of all the path areas includes:
equally dividing the plane map into a plurality of unit areas, and if one gathering area passes through a certain unit area, adding a unit heat value for the unit area;
and performing heat-based clustering analysis on all unit areas with aggregation areas passing through to obtain the aggregation areas.
6. The job site supervision method for engineering project management according to claim 5, further comprising:
and counting the total residence time of workers in each unit area, setting the unit residence time, and adding a unit heat value for each unit residence time of the workers in a certain unit area.
7. The construction site supervision method for engineering project management according to claim 5, wherein the unit area is a square area with a side length of 10-20 mm.
8. The job site supervision method for engineering project management according to claim 1, further comprising:
the induction end is arranged on the body of the worker, the temperature detection module is arranged on the induction end, and the working environment temperature of each worker is detected by the temperature detection module.
9. The job site supervision method for engineering project management according to claim 1, further comprising:
the method comprises the steps that an induction end is arranged on a worker, and a ground clearance height detection module is arranged on the induction end;
setting a time threshold, and sending a reminder to a manager if the ground clearance value detected by the sensing end of a worker is kept at a fixed value and the duration exceeds the time threshold.
10. The job site supervision method for engineering project management according to claim 1, further comprising:
the method comprises the steps that an induction end is arranged on a worker, and a shaking detection module is arranged on the induction end;
setting a time threshold, and sending a prompt to a manager if the shaking value detected by the sensing end of a worker is kept at a fixed value and the duration exceeds the time threshold.
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