CN112651656B - Method and system for detecting dynamic trend of fire based on time line mode - Google Patents
Method and system for detecting dynamic trend of fire based on time line mode Download PDFInfo
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Abstract
The application discloses a method and a system for detecting a dynamic trend of fire conditions based on a time line mode, which are used for detecting whether a merging data table with the same data as the ith fire hazard basic data information exists in a merging database, if so, carrying out data association on the ith fire hazard basic data information and the merging data table, extracting first fire hazard image information corresponding to the hidden danger merging data existing in the merging data table and second fire hazard image information corresponding to the ith fire hazard basic data information, carrying out similarity analysis comparison on the first fire hazard image information and the second fire hazard image information, and obtaining a fire hazard time line based on the ith fire hazard basic data information until all the fire hazard basic data information is processed; the application has the beneficial effects of solving the problems of repeated data, inconvenient check and low processing efficiency; and the fire hazard data processing efficiency is improved.
Description
Technical Field
The application relates to the technical field of fire analysis, in particular to a method and a system for detecting dynamic trend of fire based on a time line mode.
Background
At present, a forest fire prevention system carries out a fire hazard early warning prompt after capturing fire hazards by aiming at the front-end camera when fire hazard and early warning data are mostly, and generates a large amount of early warning information in the same fire hazard range by different camera devices, different angles and other factors simultaneously or according to time variation, and the system simultaneously reports data interfaces to people such as WeChat public numbers, apps and the like and also receives fire hazard information reported by different people, so that the same fire hazard can generate a large amount of same early warning information due to different people and different time nodes, and fire hazard treatment personnel need to carry out manual analysis, verification and other operations according to the received early warning information details to confirm whether the early warning data belong to a real and fire treatment scheme. As the data sources scatter, the data quantity of the early warning information is large and repeated, the processing work of fire hazard processing personnel is heavy, the processing efficiency is low, the fire hazard cannot be confirmed in time, and the processing time of the fire hazard is delayed.
Because the fire hazard data are distributed and arranged in a time-free sequence, when a fire hazard processor processes and analyzes the fire hazard, the fire hazard processor jumps among different hazard data pages, and the fire hazard development trend is required to be checked and analyzed according to data in different time links, so that a solution of the hazard or the fire hazard is formulated according to analysis results. Such a data display manner results in that fire hazard handling personnel cannot comprehensively and efficiently analyze data to delay the scheme making time, and may miss an optimal hazard handling time point.
The analysis and the processing of the fire hazard information are used as important links in forest fire prevention safety management, the fire hazard can be confirmed in time through the effective analysis of the hazard data, corresponding measures are formulated, the probability of forest fire occurrence can be greatly reduced and reduced through timely processing of the hazard, and the loss of the state, people and property is reduced. The initial aim of establishing the forest fire prevention system is to improve the fire prevention and control effect by combining computer software with hardware, and effectively eliminate the fire in the bud by receiving fire hidden danger early warning information in advance or timely, but the processing efficiency of staff is not reduced due to the generation and display mode of the current fire hidden danger early warning data, so that the staff is increased by processing the same hidden danger data for a large part of time instead.
Disclosure of Invention
The application aims to provide a method and a system for detecting dynamic trend of fire conditions based on a time line mode, which are used for merging and matching fire hazard data information transmitted by different platforms, merging the fire hazard data information consistent in matching into a new hidden danger data table, arranging the data information in the hidden danger data table in a time sequence mode, displaying the data information as a time line, and enabling a user to visually check the information of dynamic development of specific fire conditions in the time line mode.
The application is realized by the following technical scheme: a method for detecting dynamic trend of fire based on a time line mode comprises the following steps:
s1: acquiring n pieces of fire hazard basic data information, detecting whether a merging data table with the same information as the i piece of fire hazard basic data information exists in a merging database, if so, extracting the merging data table, otherwise, entering a step S4, wherein an initial value in the merging database is a merging data table generated based on the acquired first piece of fire hazard basic data information, and 1<i < = n;
s2: carrying out data association on the ith fire hazard basic data information and the combined data table, if the association is successful, entering a step S3, otherwise, entering a step S4;
s3: extracting first fire hazard image information corresponding to hidden danger merging data and second fire hazard image information corresponding to ith fire hazard basic data information in the merging data table, carrying out similarity analysis and comparison on the first fire hazard image information and the second fire hazard image information, merging the merging data table and the ith fire hazard basic data information into a hidden danger data table if the similarity is greater than or equal to a preset threshold value, arranging the hidden danger data table according to time sequence, obtaining a fire hazard time line, outputting the fire hazard time line, and otherwise, entering step S4;
s4: updating the merging database based on the ith fire hazard basic data information, and returning to the execution of the steps S1-S3 until all n-1 fire hazard basic data information are processed.
Conventionally, the fire hazard information is a plurality of fire hazard data information acquired through different platforms, and an operator needs to detect and process the fire hazard data information sent by each platform, so that a great amount of time of the operator is wasted and the detection efficiency is low in the conventional detection process; the application provides a method and a system for detecting dynamic trend of fire based on a time line mode.
Preferably, the fire hazard basic data information comprises a fire hazard coordinate position, a fire hazard detection time and a fire hazard detection area.
Preferably, the fire hazard image information includes fire hazard detection picture information and fire hazard detection video information.
Preferably, in step S1, n pieces of fire hazard data are obtained through different platforms.
In the step S2, a specific association method for performing data association on the i-th fire hazard basic data information and the combined data table is as follows:
adding or subtracting a preset coordinate offset to or from the coordinate information in the combined data table to obtain first coordinate information, and detecting whether the coordinate information in the ith fire hazard basic data information is in the first coordinate information;
adding or subtracting preset interval time from the time information in the combined data table to obtain first time information, and detecting whether the time information in the ith fire hazard basic data information is in the first time information;
if the coordinate information in the ith fire hazard basic data information is in the first coordinate information and the time information in the ith fire hazard basic data information is in the first time information, the association is successful, otherwise, the association is unsuccessful.
Preferably, the fire hazard coordinate position is longitude and latitude information of the fire hazard.
The application also discloses a dynamic system for detecting fire based on a time line mode, which comprises:
the data detection receiving module is used for acquiring the ith fire hazard basic data information, acquiring a combined data table from a combined database, detecting whether the combined data table has the data information identical to the ith fire hazard basic data information, if so, extracting the combined data table, and transmitting the combined data table and the ith fire hazard basic data information to the first analysis module, otherwise, transmitting the ith fire hazard basic data information to the data updating module, wherein the initial value in the combined database is the total number of the fire hazard basic data information obtained based on the acquired first fire hazard basic data information, 1<i < = n, n;
the first analysis module is used for carrying out data association on the ith fire hazard basic data information and the combined data table, if the association is successful, the combined data table and the ith fire hazard basic data information are transmitted to the second analysis module, otherwise, the ith fire hazard basic data information is transmitted to the data updating module;
the second analysis module is used for extracting first fire hazard image information corresponding to hidden danger merging data in the merging data table and second fire hazard image information corresponding to the ith fire hazard basic data information, carrying out similarity analysis and comparison on the first fire hazard image information and the second fire hazard image information, merging the merging data table and the ith fire hazard basic data information into a hidden danger data table if the similarity is greater than or equal to a preset threshold value, carrying out time sequencing processing on the hidden danger data table to obtain a fire hazard time line, and outputting the fire hazard time line, otherwise, transmitting the ith fire hazard basic data information into the data updating module;
and the data updating module is used for updating the merging database based on the ith fire hazard basic data information.
Preferably, the system further comprises a data storage module and a file storage module,
the data storage module is used for performing persistent storage on basic data information of fire hazards;
the file storage module is used for storing fire hazard image information.
Compared with the prior art, the application has the following advantages and beneficial effects:
1. by adopting the dynamic method and system for detecting fire based on the time line mode, provided by the application, a large amount of fire hazard early warning data received from different data sources, different directions and different times are effectively integrated through data analysis and image analysis, and a visualized data display interface based on the time line is generated, so that the problems of repeated data, inconvenience in checking and low processing efficiency are effectively solved;
2. by adopting the dynamic method and system for detecting the fire based on the time line mode, which are provided by the application, the data analysis and image analysis technology is effectively utilized according to the actual requirements and the system configuration, the unnecessary repeated work of manpower is reduced by integrating the data, and the data processing efficiency of fire hidden danger is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic diagram of a dynamic method for detecting fire conditions
FIG. 2 is a schematic diagram of a dynamic system for detecting fire
FIG. 3 is a web-side fire hazard data merge information
FIG. 4 is a detailed view of the combined data information of fire hazards
FIG. 5 is a partial schematic diagram of the timeline method of FIG. 2
FIG. 6 is a graph showing the relationship between the time lines and the areas in FIG. 2
FIG. 7 is a diagram showing the positions of the warning points on a gis map
FIG. 8 is a schematic view of the fire hazard treatment
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present application, the present application will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present application and the descriptions thereof are for illustrating the present application only and are not to be construed as limiting the present application.
Example 1
The embodiment discloses a method for detecting dynamic trend of fire based on a time line mode, as shown in fig. 1, comprising the following steps:
s1: acquiring n pieces of fire hazard basic data information, detecting whether a merging data table with the same information as the i piece of fire hazard basic data information exists in a merging database, if so, extracting the merging data table, otherwise, entering a step S4, wherein an initial value in the merging database is a merging data table generated based on the acquired first piece of fire hazard basic data information, and 1<i < = n;
the acquired n fire hazard basic data information is acquired through different platforms, wherein the platforms comprise web platforms, clients, early warning apps and the like, and the acquired n fire hazard basic data information on a monitoring platform and the information on a satellite in-service platform are received through an http interface.
The fire hazard basic data information comprises a fire hazard coordinate position, a fire hazard detection time and a fire hazard detection area, wherein the fire hazard coordinate position is longitude and latitude information of a specific fire hazard occurrence place, the fire hazard detection time is time information of reporting fire hazard data to a platform, the basic data information is stored in a database for lasting operation, the data table is combined to be an early warning information table, and early warning and warning can be carried out on the fire hazard of a monitoring place.
Judging whether a merging data table which is the same as the basic data information of the ith fire hazard exists in the merging database, if so, extracting the merging data table, and analyzing and processing the merging data table and the basic data information of the ith fire hazard.
S2: carrying out data association on the ith fire hazard basic data information and the combined data table, if the association is successful, entering a step S3, otherwise, entering a step S4;
the specific association method for carrying out data association on the ith fire hazard basic data information and the combined data table comprises the following steps:
adding or subtracting a preset coordinate offset to or from the coordinate information in the combined data table to obtain first coordinate information, and detecting whether the coordinate information in the ith fire hazard basic data information is in the first coordinate information;
adding or subtracting preset interval time from the time information in the combined data table to obtain first time information, and detecting whether the time information in the ith fire hazard basic data information is in the first time information;
if the coordinate information in the ith fire hazard basic data information is in the first coordinate information and the time information in the ith fire hazard basic data information is in the first time information, the association is successful, otherwise, the association is unsuccessful.
The preset coordinate offset and the preset interval time are preset values according to the management of the whole forest fire prevention system platform, and represent the monitored place where the ith fire hazard basic data information is located and the detected time and the monitored place and time of the merging data table are consistent when the matching is successful, and the early warning information of the fire hazard which occurs at the same place and at the same time is located.
S3: extracting first fire hazard image information corresponding to hidden danger merging data and second fire hazard image information corresponding to ith fire hazard basic data information in the merging data table, carrying out similarity analysis and comparison on the first fire hazard image information and the second fire hazard image information, merging the merging data table and the ith fire hazard basic data information into a hidden danger data table if the similarity is greater than or equal to a preset threshold value, arranging the hidden danger data table according to time sequence, obtaining a fire hazard time line, outputting the fire hazard time line, and otherwise, entering step S4;
the fire hazard image information comprises fire hazard detection picture information and fire hazard detection video information, wherein the picture information and the video information are shot through a monitoring platform arranged at a monitored place and uploaded to the monitoring platform for processing, or are shot through camera tools such as a mobile phone and a camera according to the fire hazard information seen by a user, and are uploaded through an early warning app or a public platform.
All data in the obtained hidden danger data table are arranged according to the sequence of time, a fire hidden danger time line taking the time line as an axis is generated, and based on the fire hidden danger time line, an operator can intuitively and clearly see whether fire hidden danger occurs in a certain place or not in a certain time, or can directly see that fire hidden danger occurs in a plurality of places from one time line, so that the time for analyzing each fire hidden danger basic data by the operator independently is saved, the fire hidden danger detection rate is improved, and the fire extinguishing efficiency is increased.
S4: updating the merging database based on the ith fire hazard basic data information, and returning to the execution of the steps S1-S3 until all n-1 fire hazard basic data information are processed.
If the ith fire hazard basic data information does not accord with the detection of the step S1-step S3, the fact that the monitoring place in the ith fire hazard basic data information is not the fire hazard in the same place as the monitoring place indicated in the combined data table is indicated, the combined database needs to be updated, the updated combined database is applied to the step S1-step S3, the monitoring is calculated to be completed after the monitoring of all the fire hazard basic data information transmitted from other platforms is completed, and the generated result generation early warning message is sent out.
Example two
The embodiment discloses a dynamic system for detecting fire based on a time line mode, as shown in fig. 2, the system comprises:
the data detection receiving module is used for acquiring the ith fire hazard basic data information, acquiring a combined data table from a combined database, detecting whether the combined data table has the data information identical to the ith fire hazard basic data information, if so, extracting the combined data table, and transmitting the combined data table and the ith fire hazard basic data information to the first analysis module, otherwise, transmitting the ith fire hazard basic data information to the data updating module, wherein the initial value in the combined database is the combined data table generated based on the acquired first fire hazard basic data information, and 1<i < = n, n is the total number of the acquired fire hazard basic data information;
the first analysis module is used for carrying out data association on the ith fire hazard basic data information and the combined data table, if the association is successful, the combined data table and the ith fire hazard basic data information are transmitted to the second analysis module, otherwise, the ith fire hazard basic data information is transmitted to the data updating module;
the second analysis module is used for extracting first fire hazard image information corresponding to hidden danger merging data in the merging data table and second fire hazard image information corresponding to the ith fire hazard basic data information, carrying out similarity analysis and comparison on the first fire hazard image information and the second fire hazard image information, merging the merging data table and the ith fire hazard basic data information into a hidden danger data table if the similarity is greater than or equal to a preset threshold value, carrying out time sequencing processing on the hidden danger data table to obtain a fire hazard time line, and outputting the fire hazard time line, otherwise, transmitting the ith fire hazard basic data information into the data updating module;
and the data updating module is used for updating the merging database based on the ith fire hazard basic data information.
Example III
Based on the second embodiment, the embodiment optimizes a dynamic system for detecting fire based on a time line mode, the dynamic system for detecting fire also comprises a data storage module and a file storage module,
the data storage module is used for performing persistent storage on basic data information of fire hazards, and is mainly used for receiving data results analyzed by all modules and data received by the processing platform and performing persistent storage; the file storage module is used for storing fire hazard image information.
Example IV
The present embodiment discloses the effects of the first and second embodiments shown in practical applications,
as shown in fig. 3, the information of the fire hazard merging data presented by the web end is shown in the picture, and when the information is seen in the fire hazard merging data, the information such as early warning monitoring points, early warning positioning information, early warning sources, prediction areas, early warning images, first early warning time and the like of the fire hazard picture is clearly shown, and an operator can intuitively see the fire hazard picture of which specific place is shown by the displayed data;
as shown in fig. 4-6, on the page of fig. 4, the time of fire disaster early warning, the area of fire disaster early warning and the picture information of the fire disaster early warning of the uploading platform can be clearly and intuitively seen, the processing of the basic data information of each fire disaster hidden danger by an operator is reduced, the processing efficiency of the data information of the fire disaster hidden danger is improved, and the fire disaster warning device has a timely early warning effect on fire suppression.
As shown in fig. 7, in order to directly see the early warning monitoring point and the trend and direction of fire spreading according to the specific fire hazard point displayed on the gis map after the fire hazard data information is processed, the forest fire prevention system automatically matches the number of fire fighting teams and similar teams nearby according to the geographic position of the fire hazard, and contacts related personnel in time to put out the fire hazard.
As shown in fig. 8, in order to process the received fire hazard data information, the information such as the fire disaster area, duration time, fire cause occurrence, materials and the like is directly and intuitively displayed through the page.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (7)
1. The method for detecting the dynamic trend of the fire condition based on the time line mode is characterized by comprising the following steps of:
s1: acquiring n pieces of fire hazard basic data information, detecting whether a merging data table with the same information as the i piece of fire hazard basic data information exists in a merging database, if so, extracting the merging data table, otherwise, entering a step S4, wherein an initial value in the merging database is a merging data table generated based on the acquired first piece of fire hazard basic data information, and 1<i < = n;
s2: carrying out data association on the ith fire hazard basic data information and the combined data table, if the association is successful, entering a step S3, otherwise, entering a step S4;
the specific association method for carrying out data association on the ith fire hazard basic data information and the combined data table comprises the following steps:
adding or subtracting a preset coordinate offset to or from the coordinate information in the combined data table to obtain first coordinate information, and detecting whether the coordinate information in the ith fire hazard basic data information is in the first coordinate information;
adding or subtracting preset interval time from the time information in the combined data table to obtain first time information, and detecting whether the time information in the ith fire hazard basic data information is in the first time information;
if the coordinate information in the ith fire hazard basic data information is in the first coordinate information and the time information in the ith fire hazard basic data information is in the first time information, the association is successful, otherwise, the association is unsuccessful;
s3: extracting first fire hazard image information corresponding to hidden danger merging data and second fire hazard image information corresponding to ith fire hazard basic data information in the merging data table, carrying out similarity analysis and comparison on the first fire hazard image information and the second fire hazard image information, merging the merging data table and the ith fire hazard basic data information into a hidden danger data table if the similarity is greater than or equal to a preset threshold value, arranging the hidden danger data table according to time sequence, obtaining a fire hazard time line, outputting the fire hazard time line, and otherwise, entering step S4;
s4: updating the merging database based on the ith fire hazard basic data information, and returning to the execution of the steps S1-S3 until all n-1 fire hazard basic data information are processed.
2. The method for detecting dynamic trend of fire according to claim 1, wherein the basic data information of fire hazard includes coordinate position of fire hazard and detection time and detection area of fire hazard.
3. The method for detecting dynamic trend of fire according to claim 1, wherein the image information of fire hazard includes picture information of fire hazard detection and video information of fire hazard detection.
4. The method for detecting dynamic trend of fire according to claim 1, wherein n fire hidden danger data are obtained through different platforms in step S1.
5. The method for detecting dynamic trend of fire conditions based on a time line mode according to claim 2, wherein the coordinate position of the fire hazard is longitude and latitude information of the fire hazard.
6. A system for detecting dynamic trends in fire based on a time line approach, the system comprising:
the data detection receiving module is used for acquiring the ith fire hazard basic data information, acquiring a combined data table from a combined database, detecting whether the combined data table has the data information identical to the ith fire hazard basic data information, if so, extracting the combined data table, and transmitting the combined data table and the ith fire hazard basic data information to the first analysis module, otherwise, transmitting the ith fire hazard basic data information to the data updating module, wherein the initial value in the combined database is the combined data table generated based on the acquired first fire hazard basic data information, and 1<i < = n, n is the total number of the acquired fire hazard basic data information;
the first analysis module is used for carrying out data association on the ith fire hazard basic data information and the combined data table, if the association is successful, the combined data table and the ith fire hazard basic data information are transmitted to the second analysis module, otherwise, the ith fire hazard basic data information is transmitted to the data updating module;
the specific association method for carrying out data association on the ith fire hazard basic data information and the combined data table comprises the following steps:
adding or subtracting a preset coordinate offset to or from the coordinate information in the combined data table to obtain first coordinate information, and detecting whether the coordinate information in the ith fire hazard basic data information is in the first coordinate information;
adding or subtracting preset interval time from the time information in the combined data table to obtain first time information, and detecting whether the time information in the ith fire hazard basic data information is in the first time information;
if the coordinate information in the ith fire hazard basic data information is in the first coordinate information and the time information in the ith fire hazard basic data information is in the first time information, the association is successful, otherwise, the association is unsuccessful;
the second analysis module is used for extracting first fire hazard image information corresponding to hidden danger merging data in the merging data table and second fire hazard image information corresponding to the ith fire hazard basic data information, carrying out similarity analysis and comparison on the first fire hazard image information and the second fire hazard image information, merging the merging data table and the ith fire hazard basic data information into a hidden danger data table if the similarity is greater than or equal to a preset threshold value, carrying out time sequencing processing on the hidden danger data table to obtain a fire hazard time line, and outputting the fire hazard time line, otherwise, transmitting the ith fire hazard basic data information into the data updating module;
and the data updating module is used for updating the merging database based on the ith fire hazard basic data information.
7. The system for detecting dynamic trend of fire based on time line mode according to claim 6, wherein the system further comprises a data storage module and a file storage module;
the data storage module is used for performing persistent storage on basic data information of fire hazards;
the file storage module is used for storing fire hazard image information.
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