CN110008845A - The detection method and device of burning line hidden danger point - Google Patents
The detection method and device of burning line hidden danger point Download PDFInfo
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- CN110008845A CN110008845A CN201910184952.6A CN201910184952A CN110008845A CN 110008845 A CN110008845 A CN 110008845A CN 201910184952 A CN201910184952 A CN 201910184952A CN 110008845 A CN110008845 A CN 110008845A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
- G06V20/13—Satellite images
Abstract
The present invention provides the detection methods and device of a kind of burning line hidden danger point, which comprises obtains the remote sensing images of area to be tested, and identifies hidden danger target according to the remote sensing images of area to be tested；Import the burning line information of area to be tested；Go out hidden danger cog region according to the burning line message identification of area to be tested；Judge whether hidden danger target falls into hidden danger cog region, and the hidden danger target for falling into hidden danger cog region is determined as hidden danger point；Calculate the minimum range in hidden danger point and hidden danger cog region between burning line；The hidden danger rank of the hidden danger point is determined according to the minimum range in hidden danger point and hidden danger cog region between burning line.The present invention can automatically identify the region that may generate hidden danger on ground to burning line, and determine hidden danger grade, do not need manually to participate in, save human cost, and can greatly improve detection efficiency, expand detection range.
Description
Technical field
The present invention relates to burning line detection technique fields, and in particular to a kind of detection method of burning line hidden danger point and
A kind of detection device of burning line hidden danger point.
Background technique
Combustion gas is as a kind of clean energy resource, with environmentally protective, safe and reliable, economical and practical spy to a certain extent
Point.As will be used wider and wider for combustion gas is general, combustion gas due to the influences such as safety problem bring economic loss do not allow yet it is small
It looks.Perfect burning line perils detecting measure for finding security risk in time, prevention in time and in time solution burning line
Hidden danger is significant.
The manual inspection stage is also rested on for the detection of burning line hidden danger point at present, provides one without focal pointe
Automatic mode identification system is planted to simplify hand labor.Account for pressure, low coverage there are building near pipeline or do not put construction on record etc.
A variety of hidden danger, if fully relying on artificial investigation, not only heavy workload, inefficiency, and it is limited to the obstacles such as countryside, enclosure wall
And it is difficult to be checked comprehensively.
Summary of the invention
The present invention is that the wasting of resources caused by solving manual inspection burning line hidden danger, inefficiency and detection range are limited
The technical problems such as property, provide the detection method and device of a kind of burning line hidden danger point.
The technical solution adopted by the invention is as follows:
A kind of detection method of burning line hidden danger point, comprising: obtain the remote sensing images of area to be tested, and according to described
The remote sensing images of area to be tested identify hidden danger target；Import the burning line information of the area to be tested；According to described
The burning line message identification of area to be tested goes out hidden danger cog region；Judge whether the hidden danger target falls into the hidden danger identification
Area, and the hidden danger target for falling into the hidden danger cog region is determined as hidden danger point；It calculates the hidden danger point and the hidden danger identifies
Minimum range in area between burning line；According to the minimum in the hidden danger point and the hidden danger cog region between burning line
Distance determines the hidden danger rank of the hidden danger point.
Go out hidden danger cog region according to the burning line message identification of the area to be tested, comprising: determine linear respectively
Pipeline hidden danger cog region and arch pipeline hidden danger cog region；
By in the area to be tested all linear pipeline hidden danger cog regions and arch pipeline hidden danger cog region merge
For entirety, and using the mark of the hidden danger cog region where unique digital number as every burning line, wherein the number
Number is prime number, the product of the digital number for being identified as multiple hidden danger cog regions of the lap of multiple hidden danger cog regions；Just
One size of beginningization matrix equal with the area to be tested, element are all 0, then for there is the filling of the position of burning line
The mark of hidden danger cog region where the burning line, the cog region that constitutes a latent danger illustrate matrix.
Wherein it is determined that linear pipeline hidden danger cog region, specifically includes: in the direction perpendicular to linear burning line,
Away from two parallel lines for making linear burning line at linear burning line pre-determined distance respectively, with linear burning line
Two endpoints are the center of circle, pre-determined distance is that radius makees semicircle respectively, are by the region that two parallel lines and two semicircles are constituted
Linear pipeline hidden danger cog region；It determines arch pipeline hidden danger cog region, specifically includes: determining the center of circle of arc burning line,
Using the center of circle of arc burning line as the center of circle, respectively with the sum of the radius of arc burning line and pre-determined distance, arc fuel gas conduit
The difference of the radius of line and pre-determined distance is that radius makees circular arc respectively, using two endpoints of arc burning line as the center of circle, it is default away from
Make semicircle respectively from for radius, the region being made of two circular arcs and two semicircles is arch pipeline hidden danger cog region.
Judge whether the hidden danger target falls into the hidden danger cog region, comprising: using unique digital number as each
The mark of hidden danger target, wherein the digital number is prime number；Initialize a size square equal with the area to be tested
Battle array, element are all 0, the mark of the hidden danger target are then filled for the position for having hidden danger target, and the target that constitutes a latent danger illustrates square
Battle array；Illustrate the nonzero element in matrix and hidden danger target signal matrix to be converted to 1 the hidden danger cog region respectively, obtains
Hidden danger cog region 0-1 matrix and hidden danger target 0-1 matrix；By the hidden danger cog region 0-1 matrix and the hidden danger target 0-1 square
Battle array carries out and operation if operation result is not 0 judges that hidden danger target falls into hidden danger cog region.
Calculate the minimum range in the hidden danger point and the hidden danger cog region between burning line, comprising: described in determining
The corresponding all burning lines of hidden danger point and hidden danger cog region；Determine the position between the hidden danger point and corresponding burning line
Relationship, wherein the positional relationship includes accounting for pressure and low coverage；The hidden danger point and corresponding combustion are calculated according to the positional relationship
Minimum range between gas pipeline.
Wherein it is determined that the corresponding all burning lines of the hidden danger point and hidden danger cog region, specifically include: determining each hidden
Suffer from point and illustrates element corresponding in matrix and hidden danger target signal matrix in the hidden danger cog region；Judge the correspondence
Element whether can carry out prime factorization；If being not available for prime factorization, judge that the hidden danger point is by gas only pipeline
With caused by hidden danger target, directly according to the corresponding corresponding burning line of element reduction and hidden danger cog region；If can be into
Row prime factorization then carries out prime factorization to corresponding element, and restores corresponding fuel gas conduit according to obtained prime number is decomposed
Line and hidden danger cog region.
Wherein, determine the positional relationship between the hidden danger point and corresponding burning line, specifically include: according to described hidden
Suffer from the corresponding all burning lines of point and hidden danger cog region intercepts the area to be tested, determines the big of trip current
It is small；The hidden danger point is filled into the trip current, wherein hidden danger point position element is 1, and other positions element is
0,0-1 matrix is determined to obtain hidden danger point；The burning line is filled into the trip current, wherein burning line institute
In position, element is 1, and other positions element is 0, determines 0-1 matrix to obtain burning line；The hidden danger point is determined into 0-1 square
Battle array and the burning line determine 0-1 matrix carry out and operation, if operation result be 0, judge the hidden danger point with it is corresponding
Burning line between be low coverage relationship, if operation result is not 0, judge the hidden danger point and corresponding burning line it
Between to account for pressure relationship.
Wherein, the minimum range between the hidden danger point and corresponding burning line is calculated according to the positional relationship, had
If it is low coverage relationship that body, which includes: between the hidden danger point and corresponding burning line, according to the geometry between point and line segment
Relationship calculates the minimum range between the hidden danger point and corresponding burning line.
The hidden danger point is determined according to the minimum range in the hidden danger point and the hidden danger cog region between burning line
Hidden danger rank, comprising: obtain combustion gas hidden danger Rule Information；Determine that this is hidden according to the combustion gas Rule Information and the minimum range
Suffer from the hidden danger rank of point.
A kind of detection device of burning line hidden danger point, comprising: obtain module, the acquisition module is to be detected for obtaining
The remote sensing images in region；Identification module, the identification module are hidden for being identified according to the remote sensing images of the area to be tested
Suffer from target；Import modul, the import modul are used to import the burning line information of the area to be tested；Mark module, institute
Mark module is stated for going out hidden danger cog region according to the burning line message identification of the area to be tested；Judgment module, it is described
Judgment module will fall into the hidden of the hidden danger cog region for judging whether the hidden danger target falls into the hidden danger cog region
Suffer from target and is determined as hidden danger point；Computing module, the computing module is for calculating in the hidden danger point and the hidden danger cog region
Minimum range between burning line；Determining module, the determining module are used to be identified according to the hidden danger point and the hidden danger
Minimum range in area between burning line determines the hidden danger rank of the hidden danger point.
Beneficial effects of the present invention:
The present invention imports burning line information, identifies hidden danger identification by the hidden danger target in identification remote sensing images
Area, then judge whether hidden danger target falls into hidden danger cog region to determine hidden danger point, then calculate in hidden danger point and hidden danger cog region
Minimum range between burning line, and determine according to the minimum range hidden danger rank of the hidden danger point, thereby, it is possible to know automatically
The region of hidden danger Chu not may be generated to burning line on ground, and determine hidden danger grade, do not need manually to participate in, save manpower
Cost, and detection efficiency can be greatly improved, expand detection range.
Detailed description of the invention
Fig. 1 is the flow chart of the detection method of the burning line hidden danger point of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the linear pipeline hidden danger cog region of one embodiment of the invention；
Fig. 3 is the schematic diagram of the arch pipeline hidden danger cog region of one embodiment of the invention；
Fig. 4 is the burning line hidden danger cog region union schematic diagram of one embodiment of the invention；
Fig. 5 be one embodiment of the invention point to line segment apart from schematic diagram；
Fig. 6 be another embodiment of the present invention point to line segment apart from schematic diagram；
Fig. 7 be another of the invention embodiment point to line segment apart from schematic diagram；
Fig. 8 is the minimum range schematic diagram between the circular arc and side of one embodiment of the invention；
Fig. 9 is the block diagram of the detection device of the burning line hidden danger point of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the detection method of the burning line hidden danger point of the embodiment of the present invention, comprising the following steps:
S1 obtains the remote sensing images of area to be tested, and identifies hidden danger target according to the remote sensing images of area to be tested.
In one embodiment of the invention, the detection of burning line hidden danger point is carried out based on high-precision remote sensing images
's.Hidden danger target information in remote sensing images comprising area to be tested and all kinds of object of reference information on map.Wherein, hidden danger
Target can be building etc..
Since the information that original remote sensing images include is excessive, be not suitable for directly being handled, so carrying out at image
Before reason, need first to carry out piecemeal to remote sensing images.Remote sensing images are cut according to a certain size, by the image after cutting
Region is denoted as G, as area to be tested.
Identify that potential hidden danger target is to realize a pith of burning line hidden danger identification, it can appliance computer skill
Art and digital image recognition technology identify the location information of hidden danger target different classes of in remote sensing image, are subsequent fuel gas conduit
The differentiation of line hidden danger provides geographical location information.A certain or certain mesh calibration methods, such as identification remote sensing figure are identified in the picture
The method of building can refer to the prior art as in, be not described in detail here.
S2 imports the burning line information of area to be tested.
Wherein, burning line information may include burning line distributing position information etc., by the combustion for importing area to be tested
Gas pipeline information, can be corresponding with position in the picture by burning line actual distribution position.
S3 goes out hidden danger cog region according to the burning line message identification of area to be tested.
In one embodiment of the invention, step S3 includes:
S31 determines linear pipeline hidden danger cog region and arch pipeline hidden danger cog region respectively.
Burning line mainly has linear and two kinds of arc, therefore can be according to determining pair respectively of different shape of burning line
The hidden danger region answered.It specifically, as shown in Fig. 2, can be in the direction perpendicular to linear burning line, away from linear burning line
Two parallel lines for making linear burning line at pre-determined distance X respectively, using two endpoints of linear burning line as the center of circle,
Pre-determined distance X is that radius makees semicircle respectively, and the region being made of two parallel lines and two semicircles is linear pipeline hidden danger
Cog region.As shown in figure 3, can determine the center of circle of arc burning line first, then using the center of circle of arc burning line as the center of circle,
Respectively with the sum of the radius of arc burning line and pre-determined distance R+X, the difference R-X of the radius of arc burning line and pre-determined distance
Make circular arc respectively for radius, is that radius makees semicircle respectively using two endpoints of arc burning line as the center of circle, pre-determined distance X, by
The region that two circular arcs and two semicircles are constituted is arch pipeline hidden danger cog region.In other words, the edge of hidden danger cog region with
Minimum range between burning line is pre-determined distance X.Wherein, pre-determined distance X is maximum hidden danger distance, can be according to hidden danger rule
Information determines.
S32, by area to be tested all linear pipeline hidden danger cog regions and arch pipeline hidden danger cog region merge
For entirety, and using the mark of the hidden danger cog region where unique digital number as every burning line, wherein digital number
For prime number, the product of the digital number for being identified as multiple hidden danger cog regions of the lap of multiple hidden danger cog regions.
By burning line hidden danger cog regions all in area to be tested G and get up, constitute the hidden danger cog region an of entirety,
It is denoted as C.Unique digital number is identified for the hidden danger cog region where every root canal line, for the hidden danger cog region number for making overlapping
Uniquely, single pipeline can be corresponded to after decomposition, using a prime number come one hidden danger cog region of unique identification, and with a number
According to the incidence relation of table record burning line and corresponding prime number.The numbering of part that more root canal line hidden danger cog regions have overlapping is to hand over
Collect the product of hidden danger cog region number.It is as shown in Figure 4 in the presence of the burning line hidden danger cog region schematic diagram of overlapping hidden danger cog region.
S33 initializes a size matrix equal with area to be tested, and element is all 0, then for there is burning line
Position fill the mark of the hidden danger cog region where the burning line, the cog region that constitutes a latent danger illustrates matrix.
If current gas pipeline position has had other numerical value, just where matrix original numerical value and current gas pipeline
New number of the product of hidden danger cog region number as the region.For example, an area to be tested G hidden danger cog region C
Union, i.e., hidden danger cog region illustrate matrix are as follows:
S4, judges whether hidden danger target falls into hidden danger cog region, and the hidden danger target for falling into hidden danger cog region is determined as
Hidden danger point.
For the speed for reducing matrix operation, further promotion hidden danger point identification, the embodiment of the present invention is proposed for each
Hidden danger target is done similarly to be operated with hidden danger cog region, thus can be hidden danger targets all in area to be tested G with one
Matrix indicates, is denoted as D, and hidden danger target illustrates matrix D similar with hidden danger cog region signal matrix.It can unique digital number
Mark as each hidden danger target, wherein digital number is prime number, initializes a size square equal with area to be tested
Battle array, element are all 0, the mark of the hidden danger target are then filled for the position for having hidden danger target, and the target that constitutes a latent danger illustrates square
Battle array D.
Further, the nonzero element in matrix and hidden danger target signal matrix can be illustrated to convert hidden danger cog region respectively
It is 1, obtains hidden danger cog region 0-1 matrix and hidden danger target 0-1 matrix, then by hidden danger cog region 0-1 matrix and hidden danger target
0-1 matrix carries out and operation if operation result is not 0 judges that hidden danger target falls into hidden danger cog region.It is to be detected as a result,
All hidden danger targets greatly improve hidden danger point identification effect by once can quickly determine hidden danger point with operation in the G of region
Rate.Also, by way of displacement prime number mark, so that each pixel carries hidden danger target and pipeline information, once really
A fixed hidden danger point is assured that the target information for generating hidden danger and related pipeline information, can handle complicated field well
Scape, no matter hidden danger cog region and hidden danger target area can effectively detect pair that hidden danger point generates with the presence or absence of being repeatedly overlapped
As.
S5 calculates the minimum range in hidden danger point and hidden danger cog region between burning line.
In one embodiment of the invention, step S5 includes:
S51 determines the corresponding all burning lines of hidden danger point and hidden danger cog region.
Specifically, it may be determined that each hidden danger point is illustrated corresponding in matrix and hidden danger target signal matrix in hidden danger cog region
Element, and judge whether corresponding element can carry out prime factorization.If being not available for prime factorization, the hidden danger point is judged
It is as caused by gas only pipeline and hidden danger target, directly according to the corresponding corresponding burning line of element reduction and hidden danger
Cog region；If prime factorization can be carried out, prime factorization carried out to corresponding element, and according to decomposing obtained prime number also
Former corresponding burning line and hidden danger cog region.
S52 determines the positional relationship between hidden danger point and corresponding burning line, wherein positional relationship include account for pressure and
Low coverage.
Specifically, area to be tested can be cut according to the corresponding all burning lines of hidden danger point and hidden danger cog region
It takes, determines the size of trip current.By intercepting to area to be tested, memory space can be reduced.At of the invention one
In specific embodiment, it can be obtained respectively according to the corresponding burning line of hidden danger point and hidden danger target in the position of area to be tested
Longitude is minimum, longitude is maximum, latitude value is minimum, the maximum point of latitude value position.These latitude and longitude values are combined
Available 4 points, so that it is determined that the size of trip current.
Then hidden danger point is filled into trip current, wherein hidden danger point position element is 1, other positions element
It is 0, determines 0-1 matrix to obtain hidden danger point, and burning line is filled into trip current, wherein burning line institute is in place
Setting element is 1, and other positions element is 0, determines 0-1 matrix to obtain burning line.
Hidden danger point is finally determined that 0-1 matrix and burning line determine the progress of 0-1 matrix and operation, if operation result is
0, then judge for low coverage relationship between hidden danger point and corresponding burning line, if operation result is not 0, judge hidden danger point with
It is to account for pressure relationship between corresponding burning line.
S53 calculates the minimum range between hidden danger point and corresponding burning line according to positional relationship.
If directly calculating the partial-length that pixel is 1 between hidden danger point and corresponding burning line to account for pressure relationship
It can be obtained and account for pressure length.If being low coverage relationship between hidden danger point and corresponding burning line, according between point and line segment
Geometrical relationship calculate the minimum range between hidden danger point and corresponding burning line.For example, hidden danger target is a polygon,
Burning line is a straightway or arc segment, and the low coverage problem of burning line and hidden danger point is converted between line segment and polygon
Minimum distance calculation.
The minimum distance calculation of straightway and polygon can be decomposed into the minimum range of straightway Yu polygon each edge,
Minimum range i.e. between line segment.Minimum value in the minimum range set of all sides of polygon and straightway must be that straightway arrives
The minimum range of polygon.Minimum range between line segment centainly generates at endpoint, for arc line shaped line segment, then needs to consider arc
Whether line most protrusion is minimum range of the camber line to straightway.So the minimum between hidden danger point and corresponding burning line
Distance calculates the minimum range for being ultimately breaks down into and having asked and a little arriving line segment.
By taking point P to the minimum range of line segment AB as an example, ifThen 0 < r < 1, r >=1 and r≤0
It respectively corresponds such as the case where Fig. 5, Fig. 6, Fig. 7.The minimum range of P to line segment AB follow following formula:
For arch pipeline to the minimum range of hidden danger point, when straightway some in the fan angle of arc segment then
The minimum range of straight line and camber line is minimum range-R (R be arc radius) of the center of circle to straightway, as shown in figure 8, example is
The minimum range of side AB and circular arc.Otherwise minimum range one is scheduled on arc end point and generates into polygon edge minimum range.It is comprehensive
Obtaining minimum value is exactly the minimum range between hidden danger point and corresponding burning line.
S6 determines the hidden danger grade of the hidden danger point according to the minimum range in hidden danger point and hidden danger cog region between burning line
Not.
Specifically, combustion gas hidden danger Rule Information can be obtained, and the hidden danger is determined according to combustion gas Rule Information and minimum range
The hidden danger rank of point.Wherein, combustion gas hidden danger Rule Information includes the corresponding relationship between minimum range and hidden danger rank.Further
Ground, in combustion gas hidden danger Rule Information also comprising minimum range combination hidden danger point position whether be the other informations such as residential block and
Corresponding relationship between hidden danger rank.
It, can be by hidden danger class information and hidden danger after determining hidden danger rank according to combustion gas hidden danger Rule Information and minimum range
Relevant information Auto-writing is into database.
The detection method of burning line hidden danger point according to an embodiment of the present invention passes through the hidden danger mesh in identification remote sensing images
Mark, and import burning line information, identify hidden danger cog region, then judge whether hidden danger target falls into hidden danger cog region with determination
Then hidden danger point calculates the minimum range in hidden danger point and hidden danger cog region between burning line, and true according to the minimum range
The hidden danger rank of the fixed hidden danger point, thereby, it is possible to automatically identify the region that may generate hidden danger on ground to burning line, and
It determines hidden danger grade, does not need manually to participate in, save human cost, and detection efficiency can be greatly improved, expand detection range.
The detection method of the burning line hidden danger point of corresponding above-described embodiment, the present invention also propose a kind of burning line hidden danger
The detection device of point.
As shown in figure 9, the detection device of the burning line hidden danger point of the embodiment of the present invention, including obtain module 10, identification
Module 20, import modul 30, mark module 40, judgment module 50, computing module 60 and determining module 70.Wherein, module is obtained
10 for obtaining the remote sensing images of area to be tested；Identification module 20 is hidden for being identified according to the remote sensing images of area to be tested
Suffer from target；Import modul 30 is used to import the burning line information of area to be tested；Mark module 40 is used for according to area to be detected
The burning line message identification in domain goes out hidden danger cog region；Judgment module 50 is for judging whether hidden danger target falls into hidden danger identification
Area, and the hidden danger target for falling into hidden danger cog region is determined as hidden danger point；Computing module 60 is known for calculating hidden danger point and hidden danger
Minimum range in other area between burning line；Determining module 70 be used for according to burning line in hidden danger point and hidden danger cog region it
Between minimum range determine the hidden danger rank of the hidden danger point.
The detection device of the burning line hidden danger point of the embodiment of the present invention is hidden by the burning line for executing above-described embodiment
Suffer from the detection method of point to realize that its function, further embodiment can refer to the detection side of above-mentioned burning line hidden danger point
The related embodiment of method, to avoid redundancy, details are not described herein.
The detection device of burning line hidden danger point according to an embodiment of the present invention, can automatically identify may be right on ground
Burning line generates the region of hidden danger, and determines hidden danger grade, does not need manually to participate in, and saves human cost, and can be significantly
Detection efficiency is improved, detection range is expanded.
In the description of the present invention, term " first ", " second " are used for description purposes only, and should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include one or more of the features.The meaning of " plurality " is two or more, unless
Separately there is clearly specific restriction.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of detection method of burning line hidden danger point characterized by comprising
The remote sensing images of area to be tested are obtained, and identify hidden danger target according to the remote sensing images of the area to be tested；
Import the burning line information of the area to be tested；
Go out hidden danger cog region according to the burning line message identification of the area to be tested；
Judge whether the hidden danger target falls into the hidden danger cog region, and the hidden danger target for falling into the hidden danger cog region is true
It is set to hidden danger point；
Calculate the minimum range in the hidden danger point and the hidden danger cog region between burning line；
The hidden danger of the hidden danger point is determined according to the minimum range in the hidden danger point and the hidden danger cog region between burning line
Rank.
2. the detection method of burning line hidden danger point according to claim 1, which is characterized in that according to the area to be detected
The burning line message identification in domain goes out hidden danger cog region, comprising:
Linear pipeline hidden danger cog region and arch pipeline hidden danger cog region are determined respectively；
By in the area to be tested all linear pipeline hidden danger cog regions and arch pipeline hidden danger cog region merge into it is whole
Body, and using the mark of the hidden danger cog region where unique digital number as every burning line, wherein the digital number
For prime number, the product of the digital number for being identified as multiple hidden danger cog regions of the lap of multiple hidden danger cog regions；
A size matrix equal with the area to be tested is initialized, element is all 0, then for there is the position of burning line
The mark for filling the hidden danger cog region where the burning line is set, the cog region that constitutes a latent danger illustrates matrix.
3. the detection method of burning line hidden danger point according to claim 2, which is characterized in that wherein it is determined that linear
Pipeline hidden danger cog region, specifically includes:
In the direction perpendicular to linear burning line, away from making linear fuel gas conduit respectively at linear burning line pre-determined distance
Two parallel lines of line are that radius makees semicircle respectively using two endpoints of linear burning line as the center of circle, pre-determined distance, by two
The region that parallel lines and two semicircles are constituted is linear pipeline hidden danger cog region；
It determines arch pipeline hidden danger cog region, specifically includes:
The center of circle for determining arc burning line, using the center of circle of arc burning line as the center of circle, respectively with the half of arc burning line
The difference of the sum of diameter and pre-determined distance, the radius of arc burning line and pre-determined distance is that radius makees circular arc respectively, with arc combustion gas
Two endpoints of pipeline are the center of circle, pre-determined distance is that radius makees semicircle respectively, the area being made of two circular arcs and two semicircles
Domain is arch pipeline hidden danger cog region.
4. the detection method of burning line hidden danger point according to claim 3, which is characterized in that judge the hidden danger target
Whether the hidden danger cog region is fallen into, comprising:
Using unique digital number as the mark of each hidden danger target, wherein the digital number is prime number；
A size matrix equal with the area to be tested is initialized, element is all 0, then for there is the position of hidden danger target
The mark for filling the hidden danger target is set, the target that constitutes a latent danger illustrates matrix；
Illustrate the nonzero element in matrix and hidden danger target signal matrix to be converted to 1 the hidden danger cog region respectively, obtains
To hidden danger cog region 0-1 matrix and hidden danger target 0-1 matrix；
By the hidden danger cog region 0-1 matrix and the hidden danger target 0-1 matrix carries out and operation, if operation result is not 0,
Then judge that hidden danger target falls into hidden danger cog region.
5. the detection method of burning line hidden danger point according to claim 4, which is characterized in that calculate the hidden danger point with
Minimum range in the hidden danger cog region between burning line, comprising:
Determine the corresponding all burning lines of the hidden danger point and hidden danger cog region；
Determine the positional relationship between the hidden danger point and corresponding burning line, wherein the positional relationship include account for pressure and
Low coverage；
The minimum range between the hidden danger point and corresponding burning line is calculated according to the positional relationship.
6. the detection method of burning line hidden danger point according to claim 5, which is characterized in that wherein it is determined that described hidden
Suffer from the corresponding all burning lines of point and hidden danger cog region, specifically include:
Determine that each hidden danger point illustrates member corresponding in matrix and hidden danger target signal matrix in the hidden danger cog region
Element；
Judge whether the corresponding element can carry out prime factorization；
If being not available for prime factorization, judge that the hidden danger point is as caused by gas only pipeline and hidden danger target, directly
According to the corresponding corresponding burning line of element reduction and hidden danger cog region；
If prime factorization can be carried out, prime factorization is carried out to corresponding element, and restore according to obtained prime number is decomposed
Corresponding burning line and hidden danger cog region.
7. the detection method of burning line hidden danger point according to claim 6, which is characterized in that wherein, determine described hidden
Suffer from point and the positional relationship between corresponding burning line, specifically include:
The area to be tested is intercepted according to the corresponding all burning lines of the hidden danger point and hidden danger cog region, is determined
The size of trip current；
The hidden danger point is filled into the trip current, wherein hidden danger point position element is 1, other positions element
It is 0, determines 0-1 matrix to obtain hidden danger point；
The burning line is filled into the trip current, wherein burning line position element is 1, other positions
Element is 0, determines 0-1 matrix to obtain burning line；
The hidden danger point is determined that 0-1 matrix and the burning line determine the progress of 0-1 matrix and operation, if operation result is
0, then judge between the hidden danger point and corresponding burning line for low coverage relationship, if operation result is not 0, described in judgement
It is to account for pressure relationship between hidden danger point and corresponding burning line.
8. the detection method of burning line hidden danger point according to claim 7, which is characterized in that wherein, according to institute's rheme
The relationship of setting calculates the minimum range between the hidden danger point and corresponding burning line, specifically includes:
If being low coverage relationship between the hidden danger point and corresponding burning line, according to the geometrical relationship between point and line segment
Calculate the minimum range between the hidden danger point and corresponding burning line.
9. the detection method of burning line hidden danger point according to claim 1 to 8, which is characterized in that according to institute
State the hidden danger rank that the minimum range in hidden danger point and the hidden danger cog region between burning line determines the hidden danger point, comprising:
Obtain combustion gas hidden danger Rule Information；
The hidden danger rank of the hidden danger point is determined according to the combustion gas Rule Information and the minimum range.
10. a kind of detection device of burning line hidden danger point characterized by comprising
Obtain module, the remote sensing images for obtaining module and being used to obtain area to be tested；
Identification module, the identification module are used to identify hidden danger target according to the remote sensing images of the area to be tested；
Import modul, the import modul are used to import the burning line information of the area to be tested；
Mark module, the mark module are used to go out hidden danger identification according to the burning line message identification of the area to be tested
Area；
Judgment module, the judgment module will be fallen into for judging whether the hidden danger target falls into the hidden danger cog region
The hidden danger target of the hidden danger cog region is determined as hidden danger point；
Computing module, the computing module are used to calculate in the hidden danger point and the hidden danger cog region between burning line most
Small distance；
Determining module, the determining module be used for according in the hidden danger point and the hidden danger cog region between burning line most
Small distance determines the hidden danger rank of the hidden danger point.
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