CN114827538B

CN114827538B - Construction progress monitoring method and system for intelligent building site

Info

Publication number: CN114827538B
Application number: CN202210384262.7A
Authority: CN
Inventors: 赵旭辉; 赵永河; 周传洋; 周新建; 赵立
Original assignee: Guangzhou Weepal Software Co ltd
Current assignee: Guangzhou Weepal Software Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2024-05-10
Anticipated expiration: 2042-04-13
Also published as: CN114827538A

Abstract

The invention provides a construction progress monitoring method and system for an intelligent building site, and relates to the technical field of monitoring. In the invention, aiming at each monitoring terminal device in a plurality of monitoring terminal devices, a construction monitoring video acquired by the monitoring terminal device in a monitoring period is acquired; aiming at a construction monitoring video corresponding to each monitoring terminal device in a plurality of monitoring terminal devices, analyzing and processing construction monitoring video frames included in the construction monitoring video to obtain area change amplitude information of a construction area corresponding to the construction monitoring video; and determining construction progress state information of the plurality of construction site areas based on the area change amplitude information of each of the plurality of construction site areas, wherein the construction progress state information is used for representing the degree of abnormality of the construction progress of the plurality of construction site areas. Based on the method, the problem of low monitoring efficiency of the construction progress in the prior art can be solved.

Description

Construction progress monitoring method and system for intelligent building site

Technical Field

The invention relates to the technical field of monitoring, in particular to a construction progress monitoring method and system for an intelligent building site.

Background

With the continuous development of monitoring technology, the application range of the monitoring technology is gradually expanded, such as application in various safety guarantee fields. However, in the prior art, the monitoring of the construction progress is still completed based on manpower (such as the inspection staff performs timing inspection, etc.), so that the time and labor consumption problem exists, and the monitoring of the construction progress completed based on manpower also has the problem of low monitoring efficiency.

Disclosure of Invention

Accordingly, the present invention is directed to a method and a system for monitoring the construction progress of an intelligent construction site, so as to solve the problem of low efficiency of monitoring the construction progress in the prior art.

In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:

the utility model provides a construction progress monitoring method of wisdom building site, is applied to construction progress management and control server, construction progress management and control server communication connection has a plurality of monitoring terminal equipment, a plurality of monitoring terminal equipment are disposed respectively in a plurality of building site areas, the method includes:

For each monitoring terminal device in the plurality of monitoring terminal devices, acquiring construction monitoring videos acquired by the monitoring terminal device in a monitoring period, wherein each construction monitoring video comprises a plurality of construction monitoring video frames, and each construction monitoring video is obtained by carrying out video monitoring on a corresponding construction area based on the corresponding monitoring terminal device;

Analyzing construction monitoring video frames included in the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices to obtain the region change amplitude information of the construction area corresponding to the construction monitoring video;

And determining construction progress state information of the plurality of construction site areas based on the area change amplitude information of each of the plurality of construction site areas, wherein the construction progress state information is used for representing the degree of abnormality of the construction progress of the plurality of construction site areas.

In some preferred embodiments, in the construction progress monitoring method of the smart worksite, the step of acquiring, for each of the plurality of monitoring terminal devices, a construction monitoring video acquired by the monitoring terminal device in a monitoring period includes:

Determining whether construction progress abnormality monitoring is needed, and generating corresponding construction progress abnormality monitoring notification information when the construction progress abnormality monitoring is needed;

The construction progress abnormality monitoring notification information is sent to each monitoring terminal device in the plurality of monitoring terminal devices, wherein each monitoring terminal device in the plurality of monitoring terminal devices is used for carrying out video monitoring on the corresponding construction site area after receiving the construction progress abnormality monitoring notification information, so as to obtain a corresponding construction monitoring video frame;

and aiming at each monitoring terminal device in the plurality of monitoring terminal devices, acquiring a construction monitoring video acquired by the monitoring terminal device based on the construction progress abnormality monitoring notification information.

In some preferred embodiments, in the method for monitoring the construction progress of the intelligent construction site, the step of determining whether the construction progress abnormality monitoring is required, and generating the corresponding construction progress abnormality monitoring notification information when the construction progress abnormality monitoring is required includes:

judging whether a monitoring notification instruction sent by a construction management terminal device in communication connection is received or not, wherein the monitoring notification instruction is generated based on the response of the construction management terminal device to progress abnormality monitoring operation performed by a corresponding construction management user and is sent to the construction progress management and control server;

if a monitoring notification instruction sent by the construction management terminal equipment is received, determining that the construction progress abnormality monitoring needs to be carried out on the plurality of construction areas, and generating corresponding construction progress abnormality monitoring notification information when the construction progress abnormality monitoring needs to be carried out on the plurality of construction areas;

If the monitoring notification instruction sent by the construction management terminal equipment is not received, determining that abnormal monitoring of the construction progress of the plurality of construction areas is not needed.

In some preferred embodiments, in the method for monitoring the construction progress of the smart worksite, the step of acquiring, for each of the plurality of monitoring terminal devices, a construction monitoring video acquired by the monitoring terminal device based on the construction progress anomaly monitoring notification information includes:

Acquiring historical time information of last time of determining historical construction progress state information, determining current time information, and calculating a time difference value between the current time information and the historical time information to obtain corresponding time interval length information;

Determining a relative magnitude relation between the time interval length information and period length information of a preset monitoring period, generating corresponding monitoring video acquisition notification information based on the time interval length information or the period length information when the time interval length information is larger than or equal to the period length information, and respectively transmitting the monitoring video acquisition notification information to each monitoring terminal device in the plurality of monitoring terminal devices, wherein each monitoring terminal device in the plurality of monitoring terminal devices is used for transmitting construction monitoring videos with the latest acquired time length being the time interval length information or the period length information to the construction progress management server after receiving the monitoring video acquisition notification information;

And aiming at each monitoring terminal device in the plurality of monitoring terminal devices, acquiring a construction monitoring video sent by the monitoring terminal device based on the monitoring video acquisition notification information.

In some preferred embodiments, in the method for monitoring the construction progress of the smart worksite, the step of analyzing a construction monitoring video frame included in the construction monitoring video for a construction monitoring video corresponding to each of the plurality of monitoring terminal devices to obtain the area variation amplitude information of the worksite area corresponding to the construction monitoring video includes:

Aiming at a construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, respectively screening a monitoring video segment comprising a first frame of construction monitoring video frame and a monitoring video segment comprising a last frame of construction monitoring video frame from the construction monitoring video as a first monitoring video segment and a second monitoring video segment corresponding to the construction monitoring video, wherein the intersection between the first monitoring video segment and the second monitoring video segment is an empty set, and the first monitoring video segment and the second monitoring video segment respectively comprise multi-frame construction monitoring video frames;

And calculating the video segment similarity between the first monitoring video segment and the second monitoring video segment corresponding to the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, and determining the region change amplitude information of the construction site region corresponding to the construction monitoring video based on the video segment similarity.

In some preferred embodiments, in the above construction progress monitoring method for an intelligent worksite, the step of calculating, for each of the plurality of monitoring terminal devices, a video clip similarity between the first monitoring video clip and the second monitoring video clip corresponding to the construction monitoring video, and determining, based on the video clip similarity, area change amplitude information of a worksite area corresponding to the construction monitoring video, includes:

Calculating the similarity between every two construction monitoring video frames in the first monitoring video segment aiming at each first monitoring video segment to obtain the video frame similarity between every two construction monitoring video frames, and sequencing the construction monitoring video frames included in the first monitoring video segment based on the video frame similarity between every two construction monitoring video frames to obtain a first monitoring video updating segment corresponding to the first monitoring video segment, wherein the average value of the video frame similarity between every two adjacent construction monitoring video frames in the first monitoring video updating segment has the maximum value in the average value corresponding to various sequencing of the construction monitoring video frames included in the corresponding first monitoring video segment;

Calculating the similarity between every two construction monitoring video frames in the second monitoring video segments aiming at each second monitoring video segment to obtain the video frame similarity between every two construction monitoring video frames, and sequencing the construction monitoring video frames included in the second monitoring video segments based on the video frame similarity between every two construction monitoring video frames to obtain second monitoring video update segments corresponding to the second monitoring video segments, wherein the average value of the video frame similarity between every two adjacent construction monitoring video frames in the second monitoring video update segments has the maximum value in the average value corresponding to various sequencing of the construction monitoring video frames included in the corresponding second monitoring video segments;

For the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, respectively calculating the video frame similarity between every two construction monitoring video frames of the corresponding sequencing positions between a first monitoring video updating segment and a corresponding second monitoring video updating segment corresponding to the construction monitoring video, wherein the number of the construction monitoring video frames included between the first monitoring video updating segment and the corresponding second monitoring video updating segment is the same;

And calculating an average value of video frame similarity between every two frames of construction monitoring video frames corresponding to sequencing positions between a first monitoring video updating segment and a second monitoring video updating segment corresponding to the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices to obtain video segment similarity between the first monitoring video segment and the second monitoring video segment corresponding to the construction monitoring video, and determining area change amplitude information of a construction area corresponding to the construction monitoring video based on the video segment similarity, wherein the area change amplitude information and the video segment similarity have a negative correlation relationship.

In some preferred embodiments, in the above construction progress monitoring method for an intelligent worksite, the step of determining construction progress status information of the plurality of worksite areas based on the area variation amplitude information of each of the plurality of worksite areas includes:

calculating the sum of the region change amplitude information of each of the plurality of construction regions to obtain region change total amplitude information corresponding to the plurality of construction regions;

determining a ratio between the total range information of the area change and construction range standard information configured for one monitoring period in advance to obtain a corresponding range ratio, and determining construction progress state information of the plurality of construction area areas based on the range ratio, wherein the construction progress state information and the range ratio have positive correlation, when the construction progress state information is greater than or equal to a pre-configured progress state threshold value, it is determined that no abnormality exists in the construction progress of the plurality of construction area areas, and when the construction progress state information is less than the progress state threshold value, it is determined that the abnormality degree of the construction progress of the plurality of construction area areas is based on the construction progress state information, and the abnormality degree is in negative correlation with the construction progress state information.

The embodiment of the invention also provides a construction progress monitoring system of the intelligent building site, which is applied to a construction progress management and control server, wherein the construction progress management and control server is in communication connection with a plurality of monitoring terminal devices, and the plurality of monitoring terminal devices are respectively deployed in a plurality of building site areas, and the system comprises:

The monitoring video acquisition module is used for acquiring construction monitoring videos acquired by the monitoring terminal equipment in a monitoring period aiming at each monitoring terminal equipment in the plurality of monitoring terminal equipment, wherein each construction monitoring video comprises a plurality of construction monitoring video frames, and each construction monitoring video is obtained by carrying out video monitoring on a corresponding construction area based on the corresponding monitoring terminal equipment;

The monitoring video analysis module is used for analyzing construction monitoring video frames included in the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices to obtain the region change amplitude information of the construction area corresponding to the construction monitoring video;

The construction progress determining module is used for determining construction progress state information of the plurality of construction site areas based on the area change amplitude information of each of the plurality of construction site areas, wherein the construction progress state information is used for representing the degree of abnormality of the construction progress of the plurality of construction site areas.

In some preferred embodiments, in the above construction progress monitoring system for an intelligent worksite, the monitoring video parsing module is specifically configured to:

In some preferred embodiments, in the construction progress monitoring system of the intelligent construction site, the construction progress determining module is specifically configured to:

According to the construction progress monitoring method and system for the intelligent construction site, the construction monitoring video collected by the monitoring terminal equipment in one monitoring period can be acquired for each of the plurality of monitoring terminal equipment, then the construction monitoring video frames included in the construction monitoring video can be analyzed and processed for the construction monitoring video corresponding to each of the plurality of monitoring terminal equipment, so that the region change amplitude information of the construction site region corresponding to the construction monitoring video is obtained, and the construction progress state information of the plurality of construction site regions can be determined based on the region change amplitude information of each of the plurality of construction site regions. Based on the method, the construction progress state information of the construction area can be determined directly based on the area change amplitude information of the construction area in the video, the reliability of the determined construction progress state can be guaranteed, the determination efficiency can be improved, and therefore the problem that the monitoring efficiency of the construction progress is low in the prior art is solved.

In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a block diagram of a construction progress management and control server according to an embodiment of the present invention.

Fig. 2 is a flowchart illustrating steps involved in a method for monitoring a construction progress of an intelligent worksite according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of each module included in the intelligent construction progress monitoring system for a construction site according to an embodiment of the present invention.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention 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 invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1, the embodiment of the invention provides a construction progress management and control server. Wherein, the construction progress management and control server may include a memory and a processor.

In detail, the memory and the processor are electrically connected directly or indirectly to realize transmission or interaction of data. For example, electrical connection may be made to each other via one or more communication buses or signal lines. The memory may store at least one software functional module (computer program) that may exist in the form of software or firmware. The processor may be configured to execute an executable computer program stored in the memory, thereby implementing the construction progress monitoring method for an intelligent worksite provided by an embodiment of the present invention (as described below).

Specifically, in some possible examples, the Memory may be, but is not limited to, random access Memory (Random Access Memory, RAM), read Only Memory (ROM), programmable Read Only Memory (Programmable Read-Only Memory, PROM), erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), and the like. The processor may be a general purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), a System on Chip (SoC), etc.; but also Digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.

Also, the structure shown in fig. 1 is merely illustrative, and the construction progress management server may further include more or less components than those shown in fig. 1, or have a different configuration from that shown in fig. 1, for example, may include a communication unit for information interaction with other devices.

With reference to fig. 2, the embodiment of the invention further provides a construction progress monitoring method for an intelligent construction site, which can be applied to the construction progress management and control server. The method steps defined by the flow related to the construction progress monitoring method of the intelligent building site can be realized by the construction progress management and control server. And the construction progress management and control server is in communication connection with a plurality of monitoring terminal devices, and the plurality of monitoring terminal devices are respectively deployed in a plurality of construction site areas.

The specific flow shown in fig. 2 will be described in detail.

Step S110, for each monitoring terminal device in the plurality of monitoring terminal devices, acquiring a construction monitoring video acquired by the monitoring terminal device in a monitoring period.

In the embodiment of the invention, the construction progress management and control server can acquire the construction monitoring video acquired by the monitoring terminal equipment in a monitoring period aiming at each monitoring terminal equipment in the plurality of monitoring terminal equipment, wherein each construction monitoring video comprises a plurality of construction monitoring video frames, and each construction monitoring video is obtained by carrying out video monitoring on a corresponding construction area based on the corresponding monitoring terminal equipment.

Step S120, for the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, analyzing and processing the construction monitoring video frame included in the construction monitoring video to obtain the area change amplitude information of the construction area corresponding to the construction monitoring video.

In the embodiment of the invention, the construction progress management and control server can analyze and process construction monitoring video frames included in the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices to obtain the region change amplitude information of the construction area corresponding to the construction monitoring video.

Step S130 of determining construction progress status information of the plurality of worksite areas based on the area variation amplitude information of each of the plurality of worksite areas.

In the embodiment of the invention, the construction progress management and control server may determine construction progress status information of the plurality of worksite areas based on the area variation amplitude information of each of the plurality of worksite areas. The construction progress state information is used for representing the degree of abnormality of construction progress of the plurality of construction site areas.

According to the construction progress monitoring method of the intelligent construction site, the construction monitoring video collected by the monitoring terminal equipment in one monitoring period can be obtained for each monitoring terminal equipment in the plurality of monitoring terminal equipment, then the construction monitoring video frames included in the construction monitoring video can be analyzed and processed for the construction monitoring video corresponding to each monitoring terminal equipment in the plurality of monitoring terminal equipment, so that the area change amplitude information of the construction area corresponding to the construction monitoring video is obtained, and the construction progress state information of the plurality of construction site areas can be determined based on the area change amplitude information of each construction site area in the plurality of construction site areas. Based on the method, the construction progress state information of the construction area can be determined directly based on the area change amplitude information of the construction area in the video, the reliability of the determined construction progress state can be guaranteed, the determination efficiency can be improved, and therefore the problem that the monitoring efficiency of the construction progress is low in the prior art is solved.

In some possible examples, step S110 in the above example may include the following:

firstly, determining whether construction progress abnormality monitoring is needed, and generating corresponding construction progress abnormality monitoring notification information when the construction progress abnormality monitoring is needed;

Secondly, sending the construction progress abnormality monitoring notification information to each of the plurality of monitoring terminal devices, wherein each of the plurality of monitoring terminal devices is used for carrying out video monitoring on the corresponding construction area after receiving the construction progress abnormality monitoring notification information, so as to obtain a corresponding construction monitoring video frame;

Then, for each of the plurality of monitoring terminal devices, a construction monitoring video acquired by the monitoring terminal device based on the construction progress abnormality monitoring notification information is acquired (the construction monitoring video is acquired by the monitoring terminal device and may be transmitted, etc.).

In some possible examples, the step of determining whether the construction progress abnormality monitoring is needed in the above examples, and generating the corresponding construction progress abnormality monitoring notification information when the construction progress abnormality monitoring is needed, may include the following:

firstly, judging whether a monitoring notification instruction sent by a construction management terminal device in communication connection is received or not, wherein the monitoring notification instruction is generated based on response of the construction management terminal device to progress abnormality monitoring operation performed by a corresponding construction management user and is sent to the construction progress management and control server;

Secondly, if a monitoring notification instruction sent by the construction management terminal equipment is received, determining that abnormal construction progress monitoring is required for the plurality of construction areas, and generating corresponding abnormal construction progress monitoring notification information when abnormal construction progress monitoring is required for the plurality of construction areas;

and then, if the monitoring notification instruction sent by the construction management terminal equipment is not received, determining that the construction progress abnormality monitoring is not required for the plurality of construction areas.

In some possible examples, the step of obtaining, for each of the plurality of monitoring terminal devices in the above example, a construction monitoring video acquired by the monitoring terminal device based on the construction progress anomaly monitoring notification information may include the following:

Firstly, acquiring historical time information of last time of determining historical construction progress state information, determining current time information, and calculating a time difference value between the current time information and the historical time information to obtain corresponding time interval length information;

Secondly, determining a relative size relation between the time interval length information and period length information of a preset monitoring period, generating corresponding monitoring video acquisition notification information based on the time interval length information or the period length information when the time interval length information is larger than or equal to the period length information, and respectively transmitting the monitoring video acquisition notification information to each of the plurality of monitoring terminal devices, wherein each of the plurality of monitoring terminal devices is used for transmitting a construction monitoring video with the latest acquired time length being the time interval length information or the period length information to the construction progress management and control server after receiving the monitoring video acquisition notification information based on the time interval length information or the period length information in the monitoring video acquisition notification information;

then, for each monitoring terminal device in the plurality of monitoring terminal devices, acquiring a construction monitoring video sent by the monitoring terminal device based on the monitoring video acquisition notification information.

In some possible examples, step S120 in the above example may include the following:

Firstly, aiming at a construction monitoring video corresponding to each monitoring terminal device in a plurality of monitoring terminal devices, respectively screening a monitoring video segment comprising a first frame of construction monitoring video frame and a monitoring video segment comprising a last frame of construction monitoring video frame from the construction monitoring video, and taking the monitoring video segment as a first monitoring video segment and a second monitoring video segment corresponding to the construction monitoring video, wherein the intersection between the first monitoring video segment and the second monitoring video segment is an empty set, and the first monitoring video segment and the second monitoring video segment respectively comprise multi-frame construction monitoring video frames;

Secondly, calculating the video segment similarity between the first monitoring video segment and the second monitoring video segment corresponding to the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, and determining the region change amplitude information of the construction site region corresponding to the construction monitoring video based on the video segment similarity.

In some possible examples, the step of screening the construction monitor video corresponding to each of the plurality of monitor terminal devices in the above example, in the construction monitor video, to respectively screen a monitor video segment including a first frame of construction monitor video frame and a monitor video segment including a last frame of construction monitor video frame, as a first monitor video segment and a second monitor video segment corresponding to the construction monitor video, may include the following:

firstly, for a construction monitoring video corresponding to each monitoring terminal device in a plurality of monitoring terminal devices, screening a monitoring video segment comprising a first frame of construction monitoring video frame from the construction monitoring video as a first candidate monitoring video segment corresponding to the construction monitoring video, wherein the first candidate monitoring video segment comprises a plurality of frames of construction monitoring video frames which are continuous in time sequence, and based on the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, screening a monitoring video segment comprising the first frame of construction monitoring video frame from the construction monitoring video as a first candidate monitoring video segment corresponding to the construction monitoring video, so as to obtain a plurality of first candidate monitoring video segments corresponding to each construction monitoring video;

secondly, aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, performing fragment confirmation operation on a plurality of first candidate monitoring video fragments corresponding to the construction monitoring video to obtain a first monitoring video fragment corresponding to the construction monitoring video, and determining a second monitoring video fragment comprising the last frame of construction monitoring video frame in the construction monitoring video based on the number of construction monitoring video frames included in the first monitoring video fragment.

In some possible examples, the fragment confirmation operation in the above example may include:

Firstly, respectively determining the number of similar video frames of each frame construction monitoring video frame in the first candidate monitoring video fragments aiming at each first candidate monitoring video fragment in the plurality of first candidate monitoring video fragments, wherein the number of the similar video frames is the number of other construction monitoring video frames, the video frame similarity between the first candidate monitoring video fragments and the corresponding construction monitoring video frames is larger than or equal to a preset video frame similarity threshold value;

Secondly, constructing a monitoring video frame aiming at each frame in the plurality of first candidate monitoring video fragments, counting the number of similar video frames corresponding to the constructing monitoring video frame, obtaining a statistics value corresponding to the constructing monitoring video frame, determining a relative magnitude relation between the statistics value and a preset number threshold value, and determining the constructing monitoring video frame as a first constructing monitoring video frame when the statistics value is larger than the preset number threshold value or determining the constructing monitoring video frame as a second constructing monitoring video frame when the statistics value is smaller than or equal to the preset number threshold value;

Then, calculating an average value of the number of similar video frames corresponding to the second construction monitoring video frame for each frame of the second construction monitoring video frame, determining first construction monitoring video frames with correlation based on the average value and the average value of the number of similar video frames corresponding to the first construction monitoring video frame for each frame (a difference value between the average values of the number of corresponding similar video frames meets a certain condition, such as the minimum value in the difference value corresponding to each first construction monitoring video frame, and expanding (such as sorting according to a size relation and then interpolation processing) the number of similar video frames corresponding to the second construction monitoring video frame based on the statistics value corresponding to the first construction monitoring video frame to obtain a plurality of new similar video frames corresponding to the second construction monitoring video frame;

Then, constructing a monitoring video frame for each frame in the plurality of first candidate monitoring video segments, based on the preset quantity threshold, carrying out sliding window processing on a plurality of similar video frame numbers which are arranged in sequence and are currently possessed by the construction monitoring video frame (such as sequencing based on the quantity of the construction monitoring video frames contained in the corresponding first candidate monitoring video segment), obtaining a plurality of quantity sequencing sliding window sequences corresponding to the construction monitoring video frame, calculating sequence correlation degree between every two quantity sequencing sliding window sequences in the plurality of quantity sequencing sliding window sequences, calculating an average value of sequence correlation degree between the quantity sequencing sliding window sequences and every other quantity sequencing sliding window sequence for each quantity sequencing sliding window sequence corresponding to the construction monitoring video frame, obtaining a sequence correlation degree average value corresponding to the quantity sequencing sliding window sequence, and determining one quantity sequencing sliding window sequence with the largest corresponding sequence correlation degree average value in the plurality of quantity sequencing sliding window sequences as a target quantity sequencing sliding window sequence corresponding to the construction monitoring video frame;

Further, for each frame of the construction monitoring video frame, determining an average value of a plurality of similar video frames included in the target number sequencing sliding window sequence corresponding to the construction monitoring video frame as a target similar video frame number corresponding to the construction monitoring video frame, and determining a construction monitoring video frame corresponding to the target similar video frame number with the maximum value as a target construction monitoring video frame;

and finally, determining the last frame of construction monitoring video frame in the plurality of first candidate monitoring video fragments as the first candidate monitoring video fragment of the target construction monitoring video frame as the first monitoring video fragment corresponding to the construction monitoring video.

In some possible examples, the step of calculating, for each of the plurality of monitoring terminal devices, the video clip similarity between the first monitoring video clip and the second monitoring video clip corresponding to the construction monitoring video, and determining the area change amplitude information of the worksite area corresponding to the construction monitoring video based on the video clip similarity in the above example may include:

Firstly, calculating the similarity between every two frames of construction monitoring video frames in each first monitoring video segment according to each first monitoring video segment to obtain the video frame similarity between every two frames of construction monitoring video frames, and sorting the construction monitoring video frames included in the first monitoring video segment based on the video frame similarity between every two frames of construction monitoring video frames to obtain a first monitoring video update segment corresponding to the first monitoring video segment, wherein the average value of the video frame similarity between every two adjacent frames of construction monitoring video frames in the first monitoring video update segment has the maximum value in the average value corresponding to the various sorts of the construction monitoring video frames included in the corresponding first monitoring video segment (namely sorting is performed for a plurality of times, and then, the average value of the video frame similarity between every two adjacent frames of construction monitoring video frames is calculated according to the result of each sort;

Secondly, calculating the similarity between every two construction monitoring video frames in each second monitoring video segment according to each second monitoring video segment to obtain the video frame similarity between every two construction monitoring video frames, and sorting the construction monitoring video frames included in the second monitoring video segment based on the video frame similarity between every two construction monitoring video frames to obtain a second monitoring video update segment corresponding to the second monitoring video segment, wherein the average value of the video frame similarity between every two adjacent construction monitoring video frames in the second monitoring video update segment has the maximum value in the average value corresponding to various sorts (as described above) of the construction monitoring video frames included in the corresponding second monitoring video segment;

Then, for the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, respectively calculating the video frame similarity between every two construction monitoring video frames of the corresponding sequencing positions between a first monitoring video updating segment and a corresponding second monitoring video updating segment corresponding to the construction monitoring video, wherein the number of the construction monitoring video frames included between the first monitoring video updating segment and the corresponding second monitoring video updating segment is the same;

And finally, calculating an average value of video frame similarities between every two construction monitoring video frames of a corresponding sequencing position between a first monitoring video updating segment and a corresponding second monitoring video updating segment corresponding to the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, obtaining video segment similarities between the first monitoring video segment and the second monitoring video segment corresponding to the construction monitoring video, and determining area change amplitude information of a construction area corresponding to the construction monitoring video based on the video segment similarities, wherein the area change amplitude information and the video segment similarities have a negative correlation relationship.

In some possible examples, step S130 in the above example may include the following:

firstly, calculating the sum of the area change amplitude information of each of the plurality of worksite areas to obtain the area change total amplitude information corresponding to the plurality of worksite areas;

And secondly, determining the ratio between the total change amplitude information of the areas and construction change amplitude standard information configured for one monitoring period in advance to obtain corresponding change amplitude ratios, and determining construction progress state information of the plurality of construction site areas based on the change amplitude ratios, wherein the construction progress state information and the change amplitude ratios have positive correlation, when the construction progress state information is greater than or equal to a pre-configured progress state threshold value, it is determined that no abnormality exists in the construction progress of the plurality of construction site areas, and when the construction progress state information is less than the progress state threshold value, the abnormality degree of the construction progress of the plurality of construction site areas is determined based on the construction progress state information, and the abnormality degree is negatively correlated with the construction progress state information.

With reference to fig. 3, the embodiment of the invention further provides a construction progress monitoring system for an intelligent construction site, which can be applied to the construction progress management and control server. Wherein, the construction progress monitored control system of wisdom building site can include each module of following:

Specifically, in some possible examples, the surveillance video parsing module is specifically configured to:

Specifically, in some possible examples, the construction progress determination module is specifically configured to:

In summary, according to the construction progress monitoring method and system for the intelligent construction site provided by the invention, the construction monitoring video collected by each monitoring terminal device in one monitoring period can be acquired for each monitoring terminal device in a plurality of monitoring terminal devices, then the construction monitoring video frames included in the construction monitoring video can be analyzed and processed for the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, so that the region change amplitude information of the construction region corresponding to the construction monitoring video is obtained, and the construction progress state information of the plurality of construction site regions can be determined based on the region change amplitude information of each construction site region in the plurality of construction site regions. Based on the method, the construction progress state information of the construction area can be determined directly based on the area change amplitude information of the construction area in the video, the reliability of the determined construction progress state can be guaranteed, the determination efficiency can be improved, and therefore the problem that the monitoring efficiency of the construction progress is low in the prior art is solved.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a construction progress monitoring method of wisdom building site, its characterized in that is applied to construction progress management and control server, construction progress management and control server communication connection has a plurality of monitor terminal equipment, a plurality of monitor terminal equipment are disposed in a plurality of building site regions respectively, the method includes:

Determining construction progress status information of the plurality of worksite areas based on the area variation amplitude information of each of the plurality of worksite areas, wherein the construction progress status information is used for representing the degree of abnormality of the construction progress of the plurality of worksite areas;

The step of analyzing the construction monitoring video frame included in the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices to obtain the region change amplitude information of the construction site region corresponding to the construction monitoring video comprises the following steps:

Aiming at a construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, calculating video segment similarity between the first monitoring video segment and the second monitoring video segment corresponding to the construction monitoring video, and determining the region change amplitude information of a construction region corresponding to the construction monitoring video based on the video segment similarity;

The step of calculating the video segment similarity between the first monitoring video segment and the second monitoring video segment corresponding to the construction monitoring video for the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, and determining the region variation amplitude information of the construction site region corresponding to the construction monitoring video based on the video segment similarity comprises the following steps:

2. The construction progress monitoring method of an intelligent construction site according to claim 1, wherein the step of acquiring, for each of the plurality of monitoring terminal apparatuses, a construction monitoring video acquired by the monitoring terminal apparatus in one monitoring period, comprises:

3. The construction progress monitoring method of an intelligent construction site according to claim 2, wherein the step of determining whether construction progress abnormality monitoring is required and generating corresponding construction progress abnormality monitoring notification information when construction progress abnormality monitoring is required comprises:

4. The construction progress monitoring method of the intelligent construction site according to claim 2, wherein the step of acquiring, for each of the plurality of monitoring terminal devices, a construction monitoring video acquired by the monitoring terminal device based on the construction progress abnormality monitoring notification information includes:

5. The construction progress monitoring method of an intelligent worksite according to any one of claims 1 to 4, wherein the step of determining construction progress status information of the plurality of worksite areas based on area variation amplitude information of each of the plurality of worksite areas comprises:

6. The utility model provides a construction progress monitored control system of wisdom building site, its characterized in that is applied to construction progress management and control server, construction progress management and control server communication connection has a plurality of monitor terminal equipment, a plurality of monitor terminal equipment are disposed respectively in a plurality of building site areas, the system includes:

A construction progress determining module, configured to determine construction progress status information of the plurality of worksite areas based on area variation amplitude information of each of the plurality of worksite areas, where the construction progress status information is used to characterize an abnormality degree of construction progress of the plurality of worksite areas;

The monitoring video analysis module is specifically used for:

The method for calculating the video segment similarity between the first monitoring video segment and the second monitoring video segment corresponding to the construction monitoring video aiming at the construction monitoring video corresponding to each monitoring terminal device in the plurality of monitoring terminal devices, and determining the region change amplitude information of the construction site region corresponding to the construction monitoring video based on the video segment similarity comprises the following steps:

7. The intelligent worksite construction progress monitoring system of claim 6, wherein the construction progress determination module is specifically configured to: