CN108898172A - A kind of fire-fighting grid update method, device and equipment - Google Patents
A kind of fire-fighting grid update method, device and equipment Download PDFInfo
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- CN108898172A CN108898172A CN201810663250.1A CN201810663250A CN108898172A CN 108898172 A CN108898172 A CN 108898172A CN 201810663250 A CN201810663250 A CN 201810663250A CN 108898172 A CN108898172 A CN 108898172A
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Abstract
The present invention is suitable for technical field of fire control, provides a kind of fire-fighting grid update method and includes：The satellite image of presumptive area is obtained respectively in first time point and the second time point；The satellite image at acquired first time point and the second time point is subjected to pixel comparison, determines that comparing result changes and meets the grid to be updated of preset requirement；Calculate the difference that fire-fighting of the grid to be updated at first time point and the second time point is scored；Adjustment is updated to fire-fighting grid according to the difference.Since the application can directly determine grid to be updated by image comparison, the big data calculation amount to whole region can be greatly reduced, efficiency is updated to be conducive to improve, reduces the consumption of resource.
Description
Technical field
The invention belongs to technical field of fire control more particularly to a kind of fire-fighting grid update methods, device and equipment.
Background technique
With big data, the popularization and application of technology of Internet of things, the fine urban fire control based on grid, which remotely manages, becomes row
The trend of industry development.The data that big quantity sensor generates are acquired using technology of Internet of things, then using big data technology to magnanimity
Data handled and analyzed, to excavate relevant to security against fire information or event from data, then according to
The customization at family triggers corresponding process flow, or provides corresponding service for user, is made by user to corresponding event or information
It responds out.
Modern Urban Development is very fast, in order to keep up with the paces of urban development, it is necessary to periodically carry out to fire-fighting grid
It updates, therefore, it is necessary to repeatedly be handled mass data and analyzed, to excavate the relevant information of fire-fighting.For one
City, some regional changes are larger, and there are many new buildings, urban operating mechanisms etc., it is therefore desirable to which timely update fire-fighting grid
Information also has quite a few community development comparative maturity, and appearance of the city variation in a long time is less, therefore fire-fighting grid is not
It needs to update.So needing if judging that the community in which grid is changed by big data technology merely to whole
The data in a city are handled and are analyzed, and treatment effeciency is not high, are likely to result in the wasting of resources.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of fire-fighting grid update method, device and equipment, it is existing to solve
When being updated in technology to fire-fighting grid, the data for needing to handle analysis are more, are likely to result in the wasting of resources, treatment effeciency
Not high problem.
The first aspect of the embodiment of the present invention provides a kind of fire-fighting grid update method, the fire-fighting grid update method
Including：
The satellite image of presumptive area is obtained respectively in first time point and the second time point；
The satellite image at acquired first time point and the second time point is subjected to pixel comparison, determines comparing result
Variation meets the grid to be updated of preset requirement；
Calculate the difference that fire-fighting of the grid to be updated at first time point and the second time point is scored；
Adjustment is updated to fire-fighting grid according to the difference.
With reference to first aspect, described by acquired first time point in the first possible implementation of first aspect
Pixel comparison is carried out with the satellite image at the second time point, determines that comparing result changes and meets the net to be updated of preset requirement
The step of lattice includes：
It divides fire-fighting grid and establishes space quaternary tree index；
It is multiple images block by the Satellite Image Segmentation, image block and fire-fighting is determined according to the boundary coordinate of fire-fighting grid
The corresponding relationship of grid；
The pixel of the image block of the corresponding first time point of more same fire-fighting grid and the satellite image at the second time point,
And calculate the accounting of different pixels；
If the corresponding first time point of same fire-fighting grid and the different pixels in the image block at the second time point account for
Than being greater than first threshold, then the fire-fighting grid is grid to be updated.
With reference to first aspect, in second of possible implementation of first aspect, the fire-fighting for calculating grid to be updated is commented
Divide and includes：
Obtain the grid property that grid to be updated includes；
According to the corresponding weight of each grid property, the grid property that the grid to be updated includes is weighted and is asked
With obtain the grid to be updated corresponding fire-fighting scoring.
The possible implementation of second with reference to first aspect, in the third possible implementation of first aspect, institute
Stating fire-fighting grid property includes construction area, building occupancy, resident population, the one or more in fire-fighting equipment grading.
With reference to first aspect, in the 4th kind of possible implementation of first aspect, it is described according to the difference to fire-fighting
Grid is updated the step of adjustment and includes：
Traverse all nodes of the space quaternary tree；
If the amplitude of the fire-fighting scoring decline of the corresponding fire-fighting grid of node is greater than scheduled second threshold, will be described
All downstream sites for the node of fire-fighting scoring decline occur are deleted；
If the amplitude that the fire-fighting scoring of the corresponding fire-fighting grid of node rises is greater than the 4th threshold value, in corresponding leaf
It is inserted into new child node under node, and calculates the fire-fighting scoring of the corresponding new fire-fighting grid of new child node, until new son section
The scoring of the corresponding new fire-fighting grid of point is less than or equal to scheduled radix.
With reference to first aspect, in the 5th kind of possible implementation of first aspect, it is described according to the difference to fire-fighting
Grid is updated the step of adjustment and includes：
According to the difference, increases administrative staff in the fire-fighting grid that fire-fighting scoring is added, reduced alternatively, scoring in fire-fighting
Fire-fighting grid reduce administrative staff.
The second aspect of the embodiment of the present invention provides a kind of fire-fighting grid updating device, the fire-fighting grid updating device
Including：
Satellite image acquiring unit, for obtaining the satellite mapping of presumptive area respectively in first time point and the second time point
Picture；
Grid determination unit to be updated, for the satellite image at acquired first time point and the second time point to be carried out picture
Element comparison, determines that comparing result changes and meets the grid to be updated of preset requirement；
Difference computational unit scores for calculating fire-fighting of the grid to be updated at first time point and the second time point
Difference；
Updating unit, for being updated adjustment to fire-fighting grid according to the difference.
In conjunction with second aspect, in the first possible implementation of second aspect, the grid determination unit to be updated
Including：
Index establishes subelement, for dividing fire-fighting grid and establishing space quaternary tree index；
Classification subelement, for being multiple images block by the Satellite Image Segmentation, according to the boundary coordinate of fire-fighting grid
Determine the corresponding relationship of image block Yu fire-fighting grid；
Comparing subunit, the satellite image for more same fire-fighting grid corresponding first time point and the second time point
Image block pixel, and calculate the accounting of different pixels；
Subelement is determined, if in the corresponding first time point of same fire-fighting grid and the image block at the second time point
Different pixels accounting be greater than first threshold, then the fire-fighting grid be grid to be updated.
The third aspect of the embodiment of the present invention provide a kind of fire-fighting grid updating equipment, including memory, processor with
And the computer program that can be run in the memory and on the processor is stored, the processor executes the calculating
It is realized when machine program as described in any one of first aspect the step of fire-fighting grid update method.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the fire-fighting as described in any one of first aspect is realized when the computer program is executed by processor
The step of grid updating method.
Existing beneficial effect is the embodiment of the present invention compared with prior art：By the satellite mapping for obtaining different time points
Picture, and pixel comparison is carried out to the satellite image of acquisition, find the grid to be updated that comparing result meets preset requirement, then into
One step calculates the difference of the fire-fighting scoring scoring of the fire-fighting corresponding to first time point and the second time point of grid to be updated, and
Adjustment is updated to fire-fighting grid according to the difference.Since the application can directly determine net to be updated by image comparison
Lattice can greatly reduce the big data calculation amount to whole region, update efficiency to be conducive to improve, reduce disappearing for resource
Consumption.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of system structure diagram of fire-fighting grid update method provided in an embodiment of the present invention；
Fig. 2 is a kind of implementation process schematic diagram of method for determining grid to be updated provided in an embodiment of the present invention；
Fig. 3 is the implementation process schematic diagram of the method for calculating fire-fighting scoring provided in an embodiment of the present invention；
Fig. 4 is the exemplary diagram of fire-fighting grid dividing provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of fire-fighting grid updating device provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of fire-fighting grid updating equipment provided in an embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
It is as shown in Figure 1 a kind of implementation process schematic diagram of fire-fighting grid update method provided by the embodiments of the present application, in detail
It states as follows：
In step s101, the satellite image of presumptive area is obtained respectively in first time point and the second time point；
Specifically, the first time point and the second time point can be can be a fire-fighting grid for the duration that is separated by
Update cycle.By obtaining satellite image according to the fire-fighting grid update cycle, when getting satellite image every time, will work as automatically
The satellite image of preceding acquisition, what the satellite image obtained with the last time, i.e. first time point and the second time point obtained respectively defends
Star chart picture compares and analyzes.
The presumptive area can be the region for needing to carry out fire-fighting grid updating calculating, can be different administrative areas,
It for example can be city, area or street etc..
In step s 102, the satellite image at acquired first time point and the second time point is subjected to pixel comparison, really
Determine comparing result and change to meet the grid to be updated of preset requirement；
In this application, the division that presumptive area can be carried out to fire-fighting grid, as shown in Fig. 2, the fire-fighting grid can
With the division mode based on four fork power, divided step by step.For example entire presumptive area can be divided into four fire-fighting grids, so
Afterwards on the basis of each Fire Net, four fire-fighting grids further are divided into again, are divided step by step.
For example presumptive area is divided into the sub- fire-fighting grid 1,2,3,4 of four same sizes in order by the direction XY, then
Sub-grid is further sequentially divided respectively, such as is divided into the sub- fire-fighting of next level of same size to sub- fire-fighting grid 1
Grid 11,12,13,14, and so on, while gradually building space quaternary tree index.The each node layer of space quaternary tree saves
The gridding information of node level, next level of child nodes information and corresponding fire-fighting grid, grid ID, net including such as fire-fighting grid
Lattice rank, boundary information, administrator information, fire-fighting scoring, architecture information etc..
It, can be with the fire-fighting sizing grid of goal-selling, if the grid cell divided is less than institute when dividing fire-fighting grid
The fire-fighting sizing grid of goal-selling is stated, then stops continuing to divide.
As shown in figure 3, being determined the satellite image at acquired first time point and the second time point is carried out pixel comparison
Comparing result change the grid to be updated for meeting preset requirement when, can specifically include following steps：
In step S301, two width satellite images are divided into multiple images block in the same way, according to fire net
The boundary coordinate of lattice determines the image block of two width satellite images and the corresponding relationship of fire-fighting grid；
It, can be right step by step according to the space quad-tree structure of fire-fighting grid when described image is divided into multiple images block
Image is divided, and then stops further division when the size of image block reaches scheduled size.So that the image block after dividing
It is corresponded with fire-fighting grid.It is worth noting that, needing to guarantee that the coordinate range of two width satellite images is consistent, and satellite mapping
The coordinate range of picture is consistent with the coordinate range of fire-fighting grid, then after same divide, fire-fighting grid and image block
Coordinate range can correspond.Sub- fire-fighting grid and image block can be numbered one by one, and by sub- fire-fighting grid and figure
As the corresponding relationship of block is stored in relational database.
Certainly, before carrying out image block division, satellite image can also be handled in advance, such as first will be to be compared
Satellite image be processed into grayscale image.The profile information for including in satellite image can also be obtained by edge detection algorithm.?
It carries out pixel ratio earlier above, binary conversion treatment further can also be carried out to image block, it is poor with the conditions of exposure for reducing satellite image
The interference of the factors such as different
In step s 302, the corresponding first time point of more same fire-fighting grid and the satellite image at the second time point
The pixel of image block, and calculate the accounting of different pixels；
Absolute difference can be sought to the pixel value for two image blocks for corresponding to same fire-fighting grid in two width satellite images.
And the quantity of different pixels (pixel absolute difference is not zero) in two image blocks is counted, the quantity is total divided by image block pixel
Number, obtains the accounting of different pixels.
In step S303, if the corresponding first time point of same fire-fighting grid and the satellite image at the second time point
The ratio of the different pixels of image block is greater than first threshold, then the fire-fighting grid is grid to be updated.
In step s 103, the difference that fire-fighting of the grid to be updated at first time point and the second time point is scored is calculated
Value；
Wherein, the factor for influencing the scoring calculating of the fire-fighting grid mainly includes construction area, size of population etc..When
So, other factors can also include building occupancy, fire fighting device grading etc..Wherein, the size of population can be real-time people
Mouth quantitative assessment values, or permanent resident population's quantity.
It, can be by way of statistical analysis, to its amount of progress for grid properties such as building occupancy, fire fighting device gradings
Change.
It is fire-fighting risk and the higher building point of pressure for example, quantization table can be established to the grid property of building occupancy
It is that fire-fighting risk and the lower building of pressure distribute lower value with higher value；
Fire incident record data can be extracted, data statistics is carried out according to the type for the building that fire incident occurs, it will
The number that fire occurs for same type building accounts for quantized value of the ratio as the type of total fire incident.Alternatively, can also be herein
On the basis of further consider the grade of each fire incident, quantized value is further corrected according to the grade.
As shown in figure 4, can specifically include in the fire-fighting scoring for calculating grid to be updated：
In step S401, the grid property that grid to be updated includes is obtained；
Wherein, the grid property may include construction area, building occupancy, permanent resident population, fire-fighting equipment grading in
One or more.
The construction area can be the sum of each level product of whole building, and higher for floor, entire floor is corresponding
Construction area is also more, and the appraisal result accordingly calculated also can be higher.
The building occupancy can determine the size of fire-fighting risk corresponding to different building occupancies by statistical analysis,
It is divided into different score values.
The permanent resident population can set the corresponding relationship of different people's quantity and score value, and permanent resident population is more, score value
Also higher.
The fire-fighting equipment grade can also set different score value corresponding relationships, according to the fire-fighting equipment in fire-fighting grid
Grade, determine corresponding score value accordingly.
In step S402, according to the corresponding weight of each grid property, the grid category for including to the grid to be updated
Property be weighted summation, obtain the grid to be updated corresponding fire-fighting scoring.
It can be weighted summation according to the score value and corresponding weight of multiple grid properties, obtain disappearing for fire-fighting grid
Anti- scoring.
It, can after the fire-fighting scoring and the fire-fighting at the second time point scoring that calculate separately the first time point in grid to be updated
To obtain the difference of the corresponding fire-fighting scoring of the fire-fighting grid.
The Difference Storage that the fire-fighting of fire-fighting grid can be scored is in the quaternary tree of space in corresponding child node.
In step S104, adjustment is updated to fire-fighting grid according to the difference.
The node that space quaternary tree can be traversed reads the difference of the fire-fighting scoring of the corresponding fire-fighting grid of each node.Institute
State that difference is larger, the amplitude that the amplitude including fire-fighting scoring decline is larger or fire-fighting scoring rises is larger, can carry out respectively
Processing, such as：
If fire-fighting scoring decline amplitude be greater than scheduled second threshold, by it is described occur fire-fighting scoring decline to
All downstream sites for updating the corresponding space quadtree's node of grid are deleted, and are realized the corresponding adjacent fire net of downstream site
Lattice merge.
Fire-fighting scoring decline shows the importance decline in region corresponding to the fire-fighting grid, can be to the fire-fighting grid
Under sub- fire-fighting grid merge processing.
If the amplitude that the fire-fighting scoring of the corresponding fire-fighting grid of node rises is greater than the 4th threshold value, in corresponding leaf
It is inserted into new child node under node, i.e., further division is carried out to grid to be updated, and calculate that new child node is corresponding newly to disappear
The fire-fighting of anti-grid is scored, until the scoring that new child node corresponds to new fire-fighting grid is less than or equal to scheduled radix.
If fire-fighting is scored, ascensional range is larger, shows that the importance in region corresponding to fire-fighting grid increases, thus
It needs further to divide the fire-fighting grid, and carries out the calculating of fire-fighting scoring to the sub- fire-fighting grid after division, and root
According to calculating as a result, further determining whether to need to divide.So that important region can more accurately distinguish
Processing.
In addition, the corresponding administrative staff of fire-fighting grid can be adjusted according to the difference that fire-fighting calculated is scored,
Increase administrative staff in the fire-fighting grid that fire-fighting scoring is added, alternatively, reducing administrator in the reduced fire-fighting grid of fire-fighting scoring
Member.For example, a fire-fighting scoring radix (total amount/administrative staff's quantity that can be scored with fire-fighting is calculated) can be determined, use
The fire-fighting of grid, which is scored, takes quotient divided by radix, using quotient as the destination number of the mesh-managing personnel of grid, by actual management people
Member's quantity is compared with destination number, more, call away it is more than needed, it is few then supply, so as to effectively be adjusted to administrative staff
It is whole.Specifically, space quaternary tree can be traversed, the gridding information of the corresponding fire-fighting grid of node storage is read, as fire-fighting is commented
Point, fire-fighting scoring difference, administrative staff's quantity, the information such as administrative staff's inventory.When fire-fighting scores difference more than certain threshold value, root
Richness is calculated according to the destination number of the administrative staff of the corresponding fire-fighting grid of preceding method calculate node, and according to administrative staff's quantity
Remaining or shortcoming administrative staff's quantity, in the node under same branches, according to the administrative staff that node is more than needed or is short of
Quantity is adjusted administrative staff's inventory of node.Such as by administrative staff's inventory of node have more than needed administrative staff's quantity
A administrative staff are removed and are inserted into administrative staff's list of the same node layer of shortcoming administrative staff.Disappear to realize basis
Anti- scoring is to the adjustment in fire-fighting grid to administrative staff.
After above-mentioned adjustment, the fire-fighting grid stored in the quaternary tree of space is i.e. by updating fire-fighting grid adjusted.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Fig. 5 is a kind of structural schematic diagram of fire-fighting grid updating device provided by the embodiments of the present application, the fire-fighting grid
Updating device includes：
Satellite image acquiring unit 501, for obtaining defending for presumptive area respectively in first time point and the second time point
Star chart picture；
Grid determination unit 502 to be updated, for by the satellite image at acquired first time point and the second time point into
The comparison of row pixel, determines that comparing result changes and meets the grid to be updated of preset requirement；
Difference computational unit 503, for calculating the grid to be updated in the fire-fighting of first time point and the second time point
The difference of scoring；
Updating unit 504, for being updated adjustment to fire-fighting grid according to the difference.
Preferably, the grid determination unit to be updated includes：
Index establishes subelement, for dividing fire-fighting grid and establishing space quaternary tree index；
Classification subelement, for being multiple images block by the Satellite Image Segmentation, according to the boundary coordinate of fire-fighting grid
Determine the corresponding relationship of image block Yu fire-fighting grid；
Comparing subunit, the satellite image for more same fire-fighting grid corresponding first time point and the second time point
Image block pixel, and calculate the accounting of different pixels；
Subelement is determined, if in the corresponding first time point of same fire-fighting grid and the image block at the second time point
Different pixels accounting be greater than first threshold, then the fire-fighting grid be grid to be updated.
Preferably, the difference computational unit includes：
Grid property obtains subelement, the grid property for including for obtaining grid to be updated；
Fire-fighting scoring computation subunit, is used for according to the corresponding weight of each grid property, to the grid packet to be updated
The grid property included is weighted summation, obtains the corresponding fire-fighting scoring of the grid to be updated.
Fire-fighting grid updating device described in Fig. 5, it is corresponding with fire-fighting grid update method described in Fig. 1.
Fig. 6 is the schematic diagram for the fire-fighting grid updating equipment that one embodiment of the invention provides.As shown in fig. 6, the embodiment
Fire-fighting grid updating equipment 6 include：It processor 60, memory 61 and is stored in the memory 61 and can be at the place
The computer program 62 run on reason device 60, such as fire-fighting grid updating program.The processor 60 executes the computer journey
Realize the step in above-mentioned each fire-fighting grid update method embodiment when sequence 62, such as step 101 shown in FIG. 1 is to 104.Or
Person, the processor 60 realize the function of each module/unit in above-mentioned each Installation practice when executing the computer program 62,
Such as the function of module 51 to 54 shown in Fig. 5.
Illustratively, the computer program 62 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 61, and are executed by the processor 60, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 62 in the fire-fighting grid updating equipment 6 is described.For example, the computer program 62
Satellite image acquiring unit, grid determination unit, difference computational unit and updating unit to be updated, each module can be divided into
Concrete function is as follows：
Satellite image acquiring unit, for obtaining the satellite mapping of presumptive area respectively in first time point and the second time point
Picture；
Grid determination unit to be updated, for the satellite image at acquired first time point and the second time point to be carried out picture
Element comparison, determines that comparing result changes and meets the grid to be updated of preset requirement；
Difference computational unit scores for calculating fire-fighting of the grid to be updated at first time point and the second time point
Difference；
Updating unit, for being updated adjustment to fire-fighting grid according to the difference.
The fire-fighting grid updating equipment 6 can be desktop PC, notebook, palm PC and cloud server etc.
Calculate equipment.The fire-fighting grid updating equipment may include, but be not limited only to, processor 60, memory 61.Those skilled in the art
Member is appreciated that Fig. 6 is only the example of fire-fighting grid updating equipment 6, does not constitute the limit to fire-fighting grid updating equipment 6
It is fixed, it may include perhaps combining certain components or different components than illustrating more or fewer components, such as described disappear
Anti- grid updating equipment can also include input-output equipment, network access equipment, bus etc..
Alleged processor 60 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 61 can be the internal storage unit of the fire-fighting grid updating equipment 6, such as fire-fighting grid is more
The hard disk or memory of new equipment 6.The memory 61 is also possible to the External memory equipment of the fire-fighting grid updating equipment 6,
Such as the plug-in type hard disk being equipped in the fire-fighting grid updating equipment 6, intelligent memory card (Smart Media Card, SMC),
Secure digital (Secure Digital, SD) card, flash card (Flash Card) etc..Further, the memory 61 may be used also
With the internal storage unit both including the fire-fighting grid updating equipment 6 or including External memory equipment.The memory 61 is used
Other programs and data needed for storing the computer program and the fire-fighting grid updating equipment.The memory 61
It can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..Computer-readable Jie
Matter may include：Can carry the computer program code any entity or device, recording medium, USB flash disk, mobile hard disk,
Magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electric carrier signal and
Telecommunication signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that：It still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of fire-fighting grid update method, which is characterized in that the fire-fighting grid update method includes：
The satellite image of presumptive area is obtained respectively in first time point and the second time point；
The satellite image at acquired first time point and the second time point is subjected to pixel comparison, determines that comparing result changes
Meet the grid to be updated of preset requirement；
Calculate the difference that fire-fighting of the grid to be updated at first time point and the second time point is scored；
Adjustment is updated to fire-fighting grid according to the difference.
2. fire-fighting grid update method according to claim 1, which is characterized in that it is described by acquired first time point and
The satellite image at the second time point carries out pixel comparison, determines that comparing result changes and meets the grid to be updated of preset requirement
The step of include：
It divides fire-fighting grid and establishes space quaternary tree index；
It is multiple images block by the Satellite Image Segmentation, image block and fire-fighting grid is determined according to the boundary coordinate of fire-fighting grid
Corresponding relationship；
The pixel of the image block of the corresponding first time point of more same fire-fighting grid and the satellite image at the second time point, and count
Calculate the accounting of different pixels；
If the accounting of the corresponding first time point of same fire-fighting grid and the different pixels in the image block at the second time point is big
In first threshold, then the fire-fighting grid is grid to be updated.
3. fire-fighting grid update method according to claim 1, which is characterized in that calculate the fire-fighting scoring of grid to be updated
Including：
Obtain the grid property that grid to be updated includes；
According to the corresponding weight of each grid property, the grid property for including to the grid to be updated is weighted summation, obtains
To the corresponding fire-fighting scoring of the grid to be updated.
4. fire-fighting grid update method according to claim 3, which is characterized in that the fire-fighting grid property includes building
Area, building occupancy, resident population, the one or more in fire-fighting equipment grading.
5. fire-fighting grid update method according to claim 2, which is characterized in that it is described according to the difference to fire net
Lattice are updated the step of adjustment and include：
Traverse all nodes of the space quaternary tree；
If the amplitude of the fire-fighting scoring decline of the corresponding fire-fighting grid of node is greater than scheduled second threshold, by the appearance
All downstream sites of the node of fire-fighting scoring decline are deleted；
If the amplitude that the fire-fighting scoring of the corresponding fire-fighting grid of node rises is greater than the 4th threshold value, in corresponding leaf node
The new child node of lower insertion, and the fire-fighting scoring of the corresponding new fire-fighting grid of new child node is calculated, until new child node pair
The scoring of new fire-fighting grid is answered to be less than or equal to scheduled radix.
6. fire-fighting grid update method according to claim 1, which is characterized in that it is described according to the difference to fire net
Lattice are updated the step of adjustment and include：
According to the difference, increase administrative staff in the fire-fighting grid that fire-fighting scoring is added, alternatively, disappearing what fire-fighting scoring was reduced
Anti- grid reduces administrative staff.
7. a kind of fire-fighting grid updating device, which is characterized in that the fire-fighting grid updating device includes：
Satellite image acquiring unit, for obtaining the satellite image of presumptive area respectively in first time point and the second time point；
Grid determination unit to be updated, for the satellite image at acquired first time point and the second time point to be carried out pixel pair
Than determining that comparing result changes and meeting the grid to be updated of preset requirement；
Difference computational unit, the difference to score for calculating fire-fighting of the grid to be updated at first time point and the second time point
Value；
Updating unit, for being updated adjustment to fire-fighting grid according to the difference.
8. fire-fighting grid updating device according to claim 7, which is characterized in that the grid determination unit packet to be updated
It includes：
Index establishes subelement, for dividing fire-fighting grid and establishing space quaternary tree index；
Subelement of classifying is determined for being multiple images block by the Satellite Image Segmentation according to the boundary coordinate of fire-fighting grid
The corresponding relationship of image block and fire-fighting grid；
Comparing subunit, the figure for more same fire-fighting grid corresponding first time point and the satellite image at the second time point
As the pixel of block, and calculate the accounting of different pixels；
Determine subelement, if in the corresponding first time point of same fire-fighting grid and the image block at the second time point not
Accounting with pixel is greater than first threshold, then the fire-fighting grid is grid to be updated.
9. a kind of fire-fighting grid updating equipment, including memory, processor and storage are in the memory and can be described
The computer program run on processor, which is characterized in that the processor realizes such as right when executing the computer program
It is required that the step of any one of 1 to 6 fire-fighting grid update method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In realizing the fire-fighting grid update method as described in any one of claim 1 to 5 when the computer program is executed by processor
Step.
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| CN201810663250.1A CN108898172A (en) | 2018-06-25 | 2018-06-25 | A kind of fire-fighting grid update method, device and equipment |
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| CN201810663250.1A CN108898172A (en) | 2018-06-25 | 2018-06-25 | A kind of fire-fighting grid update method, device and equipment |
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| CN113158719A (en) * | 2020-11-30 | 2021-07-23 | 齐鲁工业大学 | Image identification method for fire disaster of photovoltaic power station |
| CN116880249A (en) * | 2023-06-08 | 2023-10-13 | 淮北矿业(集团)有限责任公司物业分公司 | Safety and extinction integrated risk sensing early warning prevention and control management platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112000683B (en) * | 2020-08-25 | 2021-03-16 | 中科三清科技有限公司 | Data processing method, device and equipment |
| CN113158719A (en) * | 2020-11-30 | 2021-07-23 | 齐鲁工业大学 | Image identification method for fire disaster of photovoltaic power station |
| CN113158719B (en) * | 2020-11-30 | 2022-09-06 | 齐鲁工业大学 | Image identification method for fire disaster of photovoltaic power station |
| CN116880249A (en) * | 2023-06-08 | 2023-10-13 | 淮北矿业(集团)有限责任公司物业分公司 | Safety and extinction integrated risk sensing early warning prevention and control management platform |
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Address after: Room 1106, Hengmei Daxia, No. 3 Ganli Road, Jihua Street, Longgang District, Shenzhen City, Guangdong Province, 518000 Applicant after: Shenzhen CLP smart security Polytron Technologies Inc Address before: 518000 Workshop 401, No. 5, Juyin Science and Technology Industrial Factory Area, Buji Street, Longgang District, Shenzhen City, Guangdong Province Applicant before: Shenzhen CLP smart security Polytron Technologies Inc |
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Application publication date: 20181127 |