CN107575750A - A kind of pipeline leakage detection method and pipeline leakage testing device - Google Patents
A kind of pipeline leakage detection method and pipeline leakage testing device Download PDFInfo
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- CN107575750A CN107575750A CN201711025855.XA CN201711025855A CN107575750A CN 107575750 A CN107575750 A CN 107575750A CN 201711025855 A CN201711025855 A CN 201711025855A CN 107575750 A CN107575750 A CN 107575750A
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Abstract
This application discloses a kind of pipeline leakage detection method and pipeline leakage testing device, scheme for the temperature pixel map in pipe detection region to be converted into bright temperature by 3 thermometry, so as to determine whether pipe detection region leaks according to bright temperature figure, the situation of pipe leakage can be accurately obtained.This method includes：Obtain the temperature pixel map in pipe detection region；Temperature pixel map is converted into bright temperature by 3 thermometry to scheme；Judge whether pipe detection region leaks according to bright temperature figure；If so, then sending a warning, warning information is used to indicate that pipe detection region leaks.
Description
Technical field
The application is related to pipeline field, more particularly to a kind of pipeline leakage detection method and pipeline leakage testing device.
Background technology
Current pipeline leakage detection method mainly has two classes：Direct detecting method and Indirect Detecting Method.Directly detect
Method is exactly using the detecting element (such as leak detection cable or oily sensing element) being preset at outside pipeline, directly measures leaking medium.
Indirect Detecting Method is exactly the generation that the change by detecting pipeline operational factor is inferred to leakage, such as detects pressure, flow
Method.
But although direct detecting method can detect small seepage, and can position, require in pipe-line construction
Installed simultaneously with pipeline；Indirect Detecting Method sensitivity is high not as direct detecting method, is only suitable for detecting larger leakage.
The content of the invention
This application provides a kind of pipeline leakage detection method and pipeline leakage testing device, for passing through 3 thermometry
The temperature pixel map in pipe detection region is converted into bright temperature figure, so as to which according to bright temperature figure pipe detection region can be determined whether
Leak, the situation of pipe leakage can be accurately obtained.
The application first aspect provides a kind of pipeline leakage detection method, specifically includes：
Obtain the temperature pixel map in pipe detection region；
The temperature pixel map is converted into bright temperature by 3 thermometry to scheme；
Judge whether the pipe detection region leaks according to the bright temperature figure；
If so, then sending a warning, the warning information is used to indicate that the pipe detection region leaks.
It is described to pass through 3 points of surveys with reference to the application in a first aspect, in the first embodiment of the application first aspect
The temperature pixel map is converted to bright temperature and schemed by warm therapy, including：
Obtain the measurement pixel value and test temperature value of three measurement points in the pipe detection region；
According to the measurement pixel value and test temperature value, temperature temperature transition equation is calculated；
Obtain the pixel value of each pixel in the focus pixel map；
According to the pixel value of each pixel and the temperature temperature transition equation, each pixel is obtained
Calculate temperature value；
A pixel is chosen as target pixel points；
The pixel of preset quantity in the target pixel points peripheral region is chosen as regulation pixel；
The average value of the calculating temperature value for calculating temperature value and the regulation pixel of the target pixel points is calculated, is obtained
To the actual temperature value of the target pixel points；
The actual temperature value of all pixels point in the focus pixel map is obtained, obtains bright temperature figure.
With reference to the application first aspect first embodiment, in second of embodiment of the application first aspect, institute
State and judge whether the pipe detection region leaks according to the bright temperature figure, including：
Schemed according to the bright temperature, obtain the actual temperature value of each pixel；
Judge the pixel for exceeding preset temperature threshold value in the bright temperature figure with the presence or absence of actual temperature value；
If, it is determined that the pipe detection region leaks；
If not, it is determined that the pipe detection region does not leak.
With reference to the application first aspect first embodiment, in the third embodiment of the application first aspect, institute
State and judge whether the pipe detection region leaks according to the bright temperature figure, including：
Schemed according to the bright temperature, obtain the actual temperature value of each pixel；
The bright temperature figure of history in record sheet is obtained, obtains the historical temperature value of each pixel；
According to the actual temperature value and the historical temperature value, the temperature change value of each pixel is obtained；
Judge the pixel for exceeding preset change threshold in the bright temperature figure with the presence or absence of temperature change value；
If, it is determined that the pipe detection region leaks；
If not, it is determined that the pipe detection region does not leak.
With reference to the application first aspect, first aspect first embodiment, first aspect second embodiment or first party
The embodiment of face the 3rd, in the 4th embodiment of the application first aspect, the temperature picture for obtaining pipe detection region
Sketch map, including：
Shoot the temperature figure of conduit region；
The pipe detection region for detection is determined in the conduit region；
By way of mapping, the location of pixels in the pipe detection region is calibrated in the temperature figure, obtains institute
State the temperature pixel map in pipe detection region.
The application second aspect provides a kind of pipeline leakage testing device, including：
Acquiring unit, for obtaining the temperature pixel map in pipe detection region；
Converting unit, scheme for the temperature pixel map to be converted into bright temperature by 3 thermometry；
Judging unit, for judging whether the pipe detection region leaks according to the bright temperature figure；
Alarm unit, for when judging that the pipe detection region leaks, sending a warning, the alarm signal
Cease for indicating that the pipe detection region leaks.
With reference to the application second aspect, in the first embodiment of the application second aspect,
The converting unit, measurement pixel value and survey specifically for obtaining in the pipe detection region three measurement points
Try temperature value；
The converting unit, it is additionally operable to, according to the measurement pixel value and test temperature value, temperature temperature be calculated and turns
Change equation；
The converting unit, it is additionally operable to obtain the pixel value of each pixel in the focus pixel map；
The converting unit, it is additionally operable to the pixel value according to each pixel and the temperature temperature transition side
Journey, obtain the calculating temperature value of each pixel；
The converting unit, it is additionally operable to choose a pixel as target pixel points；
The converting unit, it is additionally operable to choose the pixel of preset quantity in the target pixel points peripheral region as tune
Save pixel；
The converting unit, it is additionally operable to calculate the meter for calculating temperature value and the regulation pixel of the target pixel points
The average value of temperature value is calculated, obtains the actual temperature value of the target pixel points；
The converting unit, it is additionally operable to obtain the actual temperature value of all pixels point in the focus pixel map, obtains bright
Wen Tu.
With reference to the application second aspect first embodiment, in second of embodiment of the application second aspect,
The judging unit, specifically for scheming according to the bright temperature, obtain the actual temperature value of each pixel；
The judging unit, it is additionally operable to judge to exceed preset temperature threshold value with the presence or absence of actual temperature value in the bright temperature figure
Pixel；
The judging unit, it is additionally operable to have actual temperature value in the bright temperature figure more than the preset temperature threshold value
During pixel, determine that the pipe detection region leaks；
The judging unit, is additionally operable to work as in the bright temperature figure and in the absence of actual temperature value exceedes the preset temperature threshold value
Pixel when, determine that the pipe detection region does not leak.
With reference to the application second aspect first embodiment, in the third embodiment of the application second aspect,
The judging unit, specifically for scheming according to the bright temperature, obtain the actual temperature value of each pixel；
The judging unit, it is additionally operable to obtain the bright temperature figure of history in record sheet, obtains the history temperature of each pixel
Angle value；
The judging unit, it is additionally operable to, according to the actual temperature value and the historical temperature value, obtain each pixel
The temperature change value of point；
The judging unit, it is additionally operable to judge to exceed preset change threshold with the presence or absence of temperature change value in the bright temperature figure
Pixel；
The judging unit, it is additionally operable to have temperature change value in the bright temperature figure more than the preset change threshold
During pixel, determine that the pipe detection region leaks；
The judging unit, is additionally operable to work as in the bright temperature figure and in the absence of temperature change value exceedes the preset change threshold
Pixel when, determine that the pipe detection region does not leak.
With reference to the application second aspect, second aspect first embodiment, second aspect second embodiment or second party
The embodiment of face the 3rd, in the 4th embodiment of the application second aspect,
The acquiring unit, the temperature figure specifically for shooting conduit region；
The acquiring unit, it is additionally operable to determine the pipe detection region for detection in the conduit region；
The acquiring unit, is additionally operable to by way of mapping, and the pipe detection area is calibrated in the temperature figure
The location of pixels in domain, obtain the temperature pixel map in the pipe detection region.
The application third aspect provides a kind of computer installation, and the computer installation includes processor, the processor
Above-mentioned pipeline leakage detection method is realized during for performing the computer program stored in memory.
The application fourth aspect provides a kind of computer-readable recording medium, is stored thereon with computer program, its feature
It is：The computer program realizes above-mentioned pipeline leakage detection method when being executed by processor.
As can be seen from the above technical solutions, the temperature pixel map in pipe detection region is obtained, will by 3 thermometry
Temperature pixel map is converted to bright temperature figure, judges whether pipe detection region leaks according to bright temperature figure, if so, then sending alarm
Information, warning information are used to indicate that pipe detection region leaks, so as to determine pipe detection region according to bright temperature figure
Whether leak, the situation of pipe leakage can be accurately obtained, compared with existing direct detecting method, the application need not
Installed together with pipeline, compared with existing Indirect Detecting Method, the pipeline that can detect pixel specification of the application is let out
Leakage, high sensitivity.
Brief description of the drawings
Fig. 1 is one embodiment schematic diagram for the pipeline leakage detection method that the application provides；
Fig. 2 is another embodiment schematic diagram for the pipeline leakage detection method that the application provides；
Fig. 3 is one embodiment schematic diagram for the pipeline leakage testing device that the application provides；
Fig. 4 is the computer configuation schematic diagram for the pipeline leakage testing device that the application provides.
Embodiment
This application provides a kind of pipeline leakage detection method and pipeline leakage testing device, for passing through 3 thermometry
The temperature pixel map in pipe detection region is converted into bright temperature figure, so as to which according to bright temperature figure pipe detection region can be determined whether
Leak, the situation of pipe leakage can be accurately obtained.
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.
Term " first ", " second ", " the 3rd " in the description and claims of this application and above-mentioned accompanying drawing, "
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution is so demarcated can exchange in the appropriate case, so that the embodiments described herein can be with except illustrating herein
Or the order beyond the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
The application obtains the first image information first, wherein the first image newly includes human face image information or target collection is set
The ambient image information of standby surrounding, that is to say, that target collecting device is likely to be at a region for having personnel to come in and go out, it is also possible to
The region to be come in and gone out in one without personnel, in order to make it easy to understand, being said respectively to the application with reference to Fig. 1 and Fig. 2
It is bright.
Referring to Fig. 1, the embodiment of the present application provides a kind of pipeline leakage detection method, including：
101st, the temperature pixel map in pipe detection region is obtained；
In the present embodiment, it is high-temp liquid in pipeline that the scene mainly applied, which is, if pipeline leakage, in conduit region
Temperature can change, then get the temperature pixel map in pipe detection region by the shooting of infrared camera, cheaply
Infrared camera can be obtained by pixel map of the scope between 0-255 to represent temperature, have realize possibility.
102nd, temperature pixel map is converted into bright temperature by 3 thermometry to scheme；
In the present embodiment, because what is obtained from infrared camera is pixel value, generic term is digital quantization value or DN
Value, it is usually used to the pixel value that description is not calibrated to meaningful unit also, and DN values can be changed by linear transformation
For radiance, i.e. Radiance=a*DN+b, and radiance can be turned thermal infrared radiation luminance picture by Planck equation
Why it is because there are three variables, it is necessary to by 3 thermometrics in formula using 3 thermometry therefore into bright temperature image
Method calculates transfer equation, then 3 thermometry can be converted to temperature pixel map in bright temperature figure.
103rd, judge whether pipe detection region leaks according to bright temperature figure, if so, performing step 104；
Because bright temperature figure is converted to by temperature pixel map, and it is pipe corresponding to temperature pixel map in the present embodiment
Road detection zone, then if pipe detection region leaks if somewhere, bright temperature figure necessarily rises to the temperature that should locate
Height, therefore, bright temperature figure can realize the detection of pipe detection area leakage according to the observation, in the event of leakage, perform step
104。
104th, send a warning.
In the present embodiment, when pipe detection region leaks, it is necessary to send a warning, for prompting user pipe
Detection zone, which has occurred and that, have leaked, so as to facilitate user timely to handle leakage.
In the embodiment of the present application, the temperature pixel map in pipe detection region is obtained, by 3 thermometry by temperature pixel
Figure is converted to bright temperature figure, judges whether pipe detection region leaks according to bright temperature figure, if so, then send a warning, it is alert
Breath of notifying is used to indicate that pipe detection region leaks, so as to determine whether pipe detection region occurs according to bright temperature figure
Leakage, the situation of pipe leakage can be accurately obtained, compared with existing direct detecting method, the application need not be with pipeline one
Installation is played, compared with existing Indirect Detecting Method, the pipe leakage that can detect pixel specification of the application, sensitivity
It is high.
If it should be noted that judge that pipe detection region does not leak according to bright temperature figure, then now need not
Send a warning.
Optionally, in some embodiments of the present application, the temperature pixel map in pipe detection region is obtained, including：
Shoot the temperature figure of conduit region；
The pipe detection region for detection is determined in conduit region；
By way of mapping, the location of pixels in pipe detection region is calibrated in temperature figure, obtains pipe detection area
The temperature pixel map in domain.
In the embodiment of the present application, because the scope of infrared camera shooting is a region, and pipe detection region is not
It is fixed, but full conduit region, therefore, it is necessary to first shoot the temperature figure of conduit region, one section is determined in conduit region
Or certain limit region is detected, by way of mapping, pipeline is calibrated in temperature figure for referred to as pipe detection region
The location of pixels of detection zone, the temperature pixel map with regard to pipe detection region can be obtained.
Referring to Fig. 2, a kind of pipeline leakage detection method that the embodiment of the present application provides, including：
201st, the temperature pixel map in pipe detection region is obtained；
In the present embodiment, it is high-temp liquid in pipeline that the scene mainly applied, which is, if pipeline leakage, in conduit region
Temperature can change, then get the temperature pixel map in pipe detection region by the shooting of infrared camera, cheaply
Infrared camera can be obtained by pixel map of the scope between 0-255 to represent temperature, have realize possibility.
202nd, the measurement pixel value and test temperature value of three measurement points in pipe detection region are obtained；
In the present embodiment, three electronic thermometers are installed by three measurement points in pipe detection region, it becomes possible to
Obtain the measurement pixel value and test temperature value of these three measurement points.
203rd, according to measurement pixel value and test temperature value, temperature temperature transition equation is calculated；
In the present embodiment, because DN values can be converted to radiance, i.e. Radiance=a*DN+b by linear transformation, and
Thermal infrared radiation luminance picture can be changed into bright temperature image by radiance by Planck equation, then can obtain a normalizing
The equation of change：
Temperature=K2/ln (1/ (a'*DN+b')+1) Temperature=K2/ln(1/(a′*DN+b′)+1)；
It can be brought into above-mentioned by the way that three measurement points are measured into pixel value (DN) and test temperature value (Temperature)
Formula, with regard to that can calculate, wherein K_2, a', tri- parameters of b' and K2, the occurrence of three parameters of a ', b ', then can just obtain
To temperature temperature transition equation.
204th, the pixel value of each pixel in focus pixel map is obtained；
In the present embodiment, after temperature temperature transition equation has been obtained, each pixel in focus pixel map is first obtained
The pixel value of point.
205th, according to the pixel value of each pixel and temperature temperature transition equation, the calculating of each pixel is obtained
Temperature value；
In the present embodiment, the pixel value of each pixel is updated to temperature temperature transition equation obtained above respectively
In, so as to calculate the calculating temperature value of each pixel.
206th, a pixel is chosen as target pixel points；
In the present embodiment, the calculating temperature value being worth to according to pixel simply calculates according to temperature temperature transition equation
Arrive, then its accuracy can not just ensure, therefore also need to carry out certain adjustment, choose a pixel as object pixel
Point.
207th, the pixel of preset quantity in target pixel points peripheral region is chosen as regulation pixel；
In the present embodiment, the pixel of preset quantity in target pixel points peripheral region is chosen as regulation pixel, tool
Body, regulation pixel can be used as using the pixel of the 5*5 neighborhood of pixels around selection target pixel.
208th, the average value of the calculating temperature value for calculating temperature value and adjusting pixel of target pixel points is calculated, obtains mesh
Mark the actual temperature value of pixel；
In the present embodiment, the calculating temperature value for calculating temperature value and adjusting pixel of target pixel points carries out average meter
Calculate, what is obtained is exactly the actual temperature value of target pixel points.
209th, the actual temperature value of all pixels point in focus pixel map is obtained, obtains bright temperature figure；
In the present embodiment, the step of above 206-208 is carried out to focus pixel map, the actual temperature of all pixels point is obtained
Angle value, bright temperature figure is obtained, so ensure that the flatness and robustness of whole bright temperature figure.
210th, judge whether pipe detection region leaks according to bright temperature figure, if so, performing step 211；
In the present embodiment, in the present embodiment, because bright temperature figure is converted to by temperature pixel map, and temperature pixel map
Corresponding be pipe detection region, then if pipe detection region leaks if somewhere, bright temperature figure is to that should locate
Temperature necessarily raises, therefore, bright temperature figure can realize the detection of pipe detection area leakage according to the observation, in the event of letting out
Leakage, perform step 211.
211st, send a warning.
In the present embodiment, when pipe detection region leaks, it is necessary to send a warning, for prompting user pipe
Detection zone, which has occurred and that, have leaked, so as to facilitate user timely to handle leakage.
In the embodiment of the present application, to by 3 thermometry be how temperature pixel map to be converted to bright temperature figure carry out it is detailed
Thin introduction so that the converted bright temperature figure of temperature pixel map more has flatness and robustness, thus further carries
The high accuracy when judging whether pipe detection region leaks.
In the step 210 of the embodiment shown in figure 2 above, judge whether pipe detection region lets out according to bright temperature figure
Leakage can specifically be realized by two ways, be illustrated below：
(1) it is, optional, in some embodiments of the present application, judge whether pipe detection region lets out according to bright temperature figure
Leakage, including：
Schemed according to bright temperature, obtain the actual temperature value of each pixel；
Judge the pixel for exceeding preset temperature threshold value in bright temperature figure with the presence or absence of actual temperature value；
If, it is determined that pipe detection region leaks；
If not, it is determined that pipe detection region does not leak.
(2) it is, optional, in some embodiments of the present application, judge whether pipe detection region lets out according to bright temperature figure
Leakage, including：
Schemed according to bright temperature, obtain the actual temperature value of each pixel；
The bright temperature figure of history in record sheet is obtained, obtains the historical temperature value of each pixel；
According to actual temperature value and historical temperature value, the temperature change value of each pixel is obtained；
Judge the pixel for exceeding preset change threshold in bright temperature figure with the presence or absence of temperature change value；
If, it is determined that pipe detection region leaks；
If not, it is determined that pipe detection region does not leak.
The mode of (1) and (2) can obtain whether pipe detection region leaks above, and can determine that pipeline is examined
Survey the position that region leaks.
The embodiment of the present application is described from the angle of pipeline leakage detection method above, below from pipeline leakage testing
The embodiment of the present application is described the angle of device.
Referring to Fig. 3, the pipeline leakage testing device that the embodiment of the present application provides, including：
Acquiring unit 301, for obtaining the temperature pixel map in pipe detection region；
Converting unit 302, scheme for temperature pixel map to be converted into bright temperature by 3 thermometry；
Judging unit 303, for judging whether pipe detection region leaks according to bright temperature figure；
Alarm unit 304, for when judging that pipe detection region leaks, sending a warning, warning information is used
Leaked in instruction pipe detection region.
Optionally, in some embodiments of the present application,
Converting unit 302, measurement pixel value and test temperature specifically for obtaining three measurement points in pipe detection region
Angle value；
Converting unit 302, it is additionally operable to, according to measurement pixel value and test temperature value, temperature temperature transition side be calculated
Journey；
Converting unit 302, it is additionally operable to obtain the pixel value of each pixel in focus pixel map；
Converting unit 302, pixel value and temperature temperature transition equation according to each pixel are additionally operable to, is obtained each
The calculating temperature value of individual pixel；
Converting unit 302, it is additionally operable to choose a pixel as target pixel points；
Converting unit 302, it is additionally operable to choose the pixel of preset quantity in target pixel points peripheral region as regulation picture
Vegetarian refreshments；
Converting unit 302, it is additionally operable to calculate the calculating temperature value for calculating temperature value and adjusting pixel of target pixel points
Average value, obtain the actual temperature value of target pixel points；
Converting unit 302, it is additionally operable to obtain the actual temperature value of all pixels point in focus pixel map, obtains bright temperature figure.
Optionally, in some embodiments of the present application,
Judging unit 303, specifically for scheming according to bright temperature, obtain the actual temperature value of each pixel；
Judging unit 303, it is additionally operable to judge the picture for exceeding preset temperature threshold value in bright temperature figure with the presence or absence of actual temperature value
Vegetarian refreshments；
Judging unit 303, it is additionally operable to when the pixel that actual temperature value exceedes preset temperature threshold value in bright temperature figure be present,
Determine that pipe detection region leaks；
Judging unit 303, it is additionally operable to work as the pixel for exceeding preset temperature threshold value in bright temperature figure in the absence of actual temperature value
When, determine that pipe detection region does not leak.
Optionally, in some embodiments of the present application,
Judging unit 303, specifically for scheming according to bright temperature, obtain the actual temperature value of each pixel；
Judging unit 303, it is additionally operable to obtain the bright temperature figure of history in record sheet, obtains the historical temperature of each pixel
Value；
Judging unit 303, the temperature for being additionally operable to, according to actual temperature value and historical temperature value, obtain each pixel become
Change value；
Judging unit 303, it is additionally operable to judge the picture for exceeding preset change threshold in bright temperature figure with the presence or absence of temperature change value
Vegetarian refreshments；
Judging unit 303, it is additionally operable to when the pixel that temperature change value exceedes preset change threshold in bright temperature figure be present,
Determine that pipe detection region leaks；
Judging unit 303, it is additionally operable to work as the pixel for exceeding preset change threshold in bright temperature figure in the absence of temperature change value
When, determine that pipe detection region does not leak.
Optionally, in some embodiments of the present application,
Acquiring unit 301, the temperature figure specifically for shooting conduit region；
Acquiring unit 301, it is additionally operable to determine the pipe detection region for detection in conduit region；
Acquiring unit 301, is additionally operable to by way of mapping, and the pixel position in pipe detection region is calibrated in temperature figure
Put, obtain the temperature pixel map in pipe detection region.
In the pipeline leakage testing device of above example description, acquiring unit 301 obtains the temperature in pipe detection region
Temperature pixel map is converted to bright temperature by 3 thermometry and schemed by pixel map, converting unit 302, and judging unit 303 is according to bright temperature
Figure judges whether pipe detection region leaks, if so, then alarm unit 304 sends a warning, warning information is used to refer to
Show that pipe detection region leaks, so as to determine whether pipe detection region leaks according to bright temperature figure, Ke Yizhun
True obtains the situation of pipe leakage.
Referring to Fig. 4, Fig. 4 is the structural representation for the image detection warning device that the embodiment of the present application provides.The implementation
The image detection warning device 400 of example includes：Processor, memory and it is stored in the memory and can be in the processing
The computer program run on device, such as obtain program.Above-mentioned pipeline is realized described in the computing device during computer program
Step in the embodiment of leakage detection method, such as the step 101 shown in Fig. 1.Or calculating described in the computing device
The function of each unit in above-mentioned pipeline leakage testing device embodiment, such as acquiring unit are realized during machine program.
Exemplary, the computer program can be divided into one or more units, one or more of lists
Member is stored in the memory, and by the computing device, to complete the application.One or more of units can be with
It is the series of computation machine programmed instruction section that can complete specific function, the instruction segment is used to describe the computer program in institute
State the implementation procedure in image detection warning device.For example, the computer program can be divided into acquiring unit, conversion list
Member, judging unit, alarm unit, each unit concrete function are as follows：
Acquiring unit, for obtaining the temperature pixel map in pipe detection region；
Converting unit, scheme for temperature pixel map to be converted into bright temperature by 3 thermometry；
Judging unit, for judging whether the pipe detection region leaks according to bright temperature figure；
Alarm unit, for when judging that pipe detection region leaks, sending a warning, warning information is used to refer to
Show that pipe detection region leaks.
The pipeline leakage testing device can be desktop PC, notebook, palm PC and cloud server etc.
Computing device.Described image detection warning device may include, but be not limited only to, processor, memory.Those skilled in the art can
To understand, the schematic diagram is only the example of image detection warning device, does not form the limit to image detection warning device
It is fixed, it can include than illustrating more or less parts, either combine some parts or different parts, such as the figure
As detection warning device can also include input-output equipment, network access equipment, bus etc..
Alleged processor can be CPU (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
It is the control centre of described image detection warning device Deng, the processor, utilizes various interfaces and connection whole image
Detect the various pieces of warning device.
The memory can be used for storing the computer program and/or module, and the processor is by running or performing
The computer program and/or module being stored in the memory, and the data being stored in memory are called, described in realization
The various functions of image detection warning device.The memory can mainly include storing program area and storage data field, wherein, deposit
Storing up program area can storage program area, application program (such as sound-playing function, image player work(needed at least one function
Can etc.) etc.；Storage data field can store data (such as voice data, phone directory etc.) created according to the demarcation of mobile phone etc..
In addition, memory can include high-speed random access memory, nonvolatile memory can also be included, for example, hard disk, internal memory,
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (SecureDigital, SD) card, flash memory
Block (Flash Card), at least one disk memory, flush memory device or other volatile solid-state parts.
If the integrated unit of described image detection warning device is realized in the form of SFU software functional unit and as independently
Production marketing or during demarcation, can be stored in a computer read/write memory medium.Based on such understanding, the application
All or part of flow in above-described embodiment method is realized, the hardware of correlation can also be instructed come complete by computer program
Into described computer program can be stored in a computer-readable recording medium, and the computer program is being executed by processor
When, can be achieved above-mentioned each embodiment of the method the step of.Wherein, the computer program includes computer program code, described
Computer program code can be source code form, object identification code form, executable file or some intermediate forms etc..The meter
Calculation machine computer-readable recording medium can include：Can carry any entity or device of the computer program code, recording medium, USB flash disk,
Mobile hard disk, magnetic disc, CD, computer storage, read-only storage (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..Need what is illustrated
It is that the content that the computer-readable medium includes can be fitted according to legislation in jurisdiction and the requirement of patent practice
When increase and decrease, such as in some jurisdictions, according to legislation and patent practice, computer-readable medium, which does not include electric carrier wave, to be believed
Number and telecommunication signal.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or demarcation
When, it can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the application
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
Described above, above example is only to illustrate the technical scheme of the application, rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of each embodiment technical scheme of the application.
Claims (10)
- A kind of 1. pipeline leakage detection method, it is characterised in that including：Obtain the temperature pixel map in pipe detection region；The temperature pixel map is converted into bright temperature by 3 thermometry to scheme；Judge whether the pipe detection region leaks according to the bright temperature figure；If so, then sending a warning, the warning information is used to indicate that the pipe detection region leaks.
- 2. according to the method for claim 1, it is characterised in that described to be turned the temperature pixel map by 3 thermometry Bright temperature figure is changed to, including：Obtain the measurement pixel value and test temperature value of three measurement points in the pipe detection region；According to the measurement pixel value and test temperature value, temperature temperature transition equation is calculated；Obtain the pixel value of each pixel in the focus pixel map；According to the pixel value of each pixel and the temperature temperature transition equation, the calculating of each pixel is obtained Temperature value；A pixel is chosen as target pixel points；The pixel of preset quantity in the target pixel points peripheral region is chosen as regulation pixel；The average value of the calculating temperature value for calculating temperature value and the regulation pixel of the target pixel points is calculated, obtains institute State the actual temperature value of target pixel points；The actual temperature value of all pixels point in the focus pixel map is obtained, obtains bright temperature figure.
- 3. according to the method for claim 2, it is characterised in that described that the pipe detection area is judged according to the bright temperature figure Whether domain leaks, including：Schemed according to the bright temperature, obtain the actual temperature value of each pixel；Judge the pixel for exceeding preset temperature threshold value in the bright temperature figure with the presence or absence of actual temperature value；If, it is determined that the pipe detection region leaks；If not, it is determined that the pipe detection region does not leak.
- 4. according to the method for claim 2, it is characterised in that described that the pipe detection area is judged according to the bright temperature figure Whether domain leaks, including：Schemed according to the bright temperature, obtain the actual temperature value of each pixel；The bright temperature figure of history in record sheet is obtained, obtains the historical temperature value of each pixel；According to the actual temperature value and the historical temperature value, the temperature change value of each pixel is obtained；Judge the pixel for exceeding preset change threshold in the bright temperature figure with the presence or absence of temperature change value；If, it is determined that the pipe detection region leaks；If not, it is determined that the pipe detection region does not leak.
- 5. method according to any one of claim 1 to 4, it is characterised in that the heat for obtaining pipe detection region Pixel map is spent, including：Shoot the temperature figure of conduit region；The pipe detection region for detection is determined in the conduit region；By way of mapping, the location of pixels in the pipe detection region is calibrated in the temperature figure, obtains the pipe The temperature pixel map of road detection zone.
- A kind of 6. pipeline leakage testing device, it is characterised in that including：Acquiring unit, for obtaining the temperature pixel map in pipe detection region；Converting unit, scheme for the temperature pixel map to be converted into bright temperature by 3 thermometry；Judging unit, for judging whether the pipe detection region leaks according to the bright temperature figure；Alarm unit, for when judging that the pipe detection region leaks, sending a warning, the warning information is used Leaked in the instruction pipe detection region.
- 7. device according to claim 6, it is characterised in thatThe converting unit, measurement pixel value and test temperature specifically for obtaining three measurement points in the pipe detection region Angle value；The converting unit, it is additionally operable to, according to the measurement pixel value and test temperature value, temperature temperature transition side be calculated Journey；The converting unit, it is additionally operable to obtain the pixel value of each pixel in the focus pixel map；The converting unit, the pixel value according to each pixel and the temperature temperature transition equation are additionally operable to, is obtained To the calculating temperature value of each pixel；The converting unit, it is additionally operable to choose a pixel as target pixel points；The converting unit, it is additionally operable to choose the pixel of preset quantity in the target pixel points peripheral region as regulation picture Vegetarian refreshments；The converting unit, it is additionally operable to calculate the calculating temperature for calculating temperature value and the regulation pixel of the target pixel points The average value of angle value, obtain the actual temperature value of the target pixel points；The converting unit, it is additionally operable to obtain the actual temperature value of all pixels point in the focus pixel map, obtains bright temperature figure.
- 8. device according to claim 7, it is characterised in thatThe judging unit, specifically for scheming according to the bright temperature, obtain the actual temperature value of each pixel；The judging unit, it is additionally operable to judge the picture for exceeding preset temperature threshold value in the bright temperature figure with the presence or absence of actual temperature value Vegetarian refreshments；The judging unit, it is additionally operable to the pixel that actual temperature value exceedes the preset temperature threshold value in the bright temperature figure be present During point, determine that the pipe detection region leaks；The judging unit, it is additionally operable to work as the picture for exceeding the preset temperature threshold value in the bright temperature figure in the absence of actual temperature value During vegetarian refreshments, determine that the pipe detection region does not leak.
- 9. device according to claim 7, it is characterised in thatThe judging unit, specifically for scheming according to the bright temperature, obtain the actual temperature value of each pixel；The judging unit, it is additionally operable to obtain the bright temperature figure of history in record sheet, obtains the historical temperature value of each pixel；The judging unit, it is additionally operable to, according to the actual temperature value and the historical temperature value, obtain each pixel Temperature change value；The judging unit, it is additionally operable to judge the picture for exceeding preset change threshold in the bright temperature figure with the presence or absence of temperature change value Vegetarian refreshments；The judging unit, it is additionally operable to the pixel that temperature change value exceedes the preset change threshold in the bright temperature figure be present During point, determine that the pipe detection region leaks；The judging unit, it is additionally operable to work as the picture for exceeding the preset change threshold in the bright temperature figure in the absence of temperature change value During vegetarian refreshments, determine that the pipe detection region does not leak.
- 10. the device according to any one of claim 6 to 9, it is characterised in thatThe acquiring unit, the temperature figure specifically for shooting conduit region；The acquiring unit, it is additionally operable to determine the pipe detection region for detection in the conduit region；The acquiring unit, is additionally operable to by way of mapping, and the pipe detection region is calibrated in the temperature figure Location of pixels, obtain the temperature pixel map in the pipe detection region.
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