CN108896558A - Railway self-compacting concrete surface quality detection method and terminal device - Google Patents
Railway self-compacting concrete surface quality detection method and terminal device Download PDFInfo
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Abstract
The present invention relates to construction of railways technical field, a kind of railway self-compacting concrete surface quality detection method and terminal device are disclosed.Obtain the image F acquired in the first video camera of synchronization1With the image F of the second video camera acquisition2Overlapping region image Fc；The bubble k in Fc is obtained, according to two video camera pitch-rows, to the field angle of i, obtains the vertical range h of pixel i to the L in kki；The first video camera or the second video camera are obtained in plane right-angle coordinate for the x-axis field angle and y-axis field angle of pixel i and pixel i-1；According to hki, pixel i and pixel i-1 x-axis field angle and y-axis field angle, obtain pixel i area Si；According to the area of n pixel in bubble k, the surface area S of bubble k is obtainedk.By this method, the bubble distribution and area situation on self-compacting concrete surface can efficiently, be accurately obtained, it is automatic to determine whether self-compacting concrete is qualified.
Description
Technical field
The present invention relates to construction of railways technical fields, more particularly to a kind of railway self-compacting concrete surface quality detection
Method and terminal device.
Background technique
Carrier of the ballastless track of high-speed railway as high-speed railway, quality, inside are directly closed there are whether disease
It is the operation security to high-speed railway.Currently, China has promulgated multinomial CRTS (China Railway Track
System, plate-type ballastless track)-III type non-fragment orbit concrete relevant criterion, such as standard《III plate-type of high-speed railway CRTS without
Tiny fragments of stone, coal, etc. track self-compacting concrete》(Q/CR 596-2017) proposes strict demand to the quality of self-compacting concrete.
For III non-fragment orbit self-compacting concrete surface state of CRTS-, mainly proposing surface cannot exist
Greater than 50cm2Above bubble and area 6cm2And its sum of above bubble area is no more than self-compacting concrete plate suqare
2% requirement.
At present to the detection method of self-compacting concrete surface quality, bubble is partly mainly measured using steel ruler or hundred grid
The detection method of area needs manual measurement, record, calculating, statistics.Cumbersome, time-consuming and laborious, working efficiency is low, and deposits
Big being affected by human factors, testing result is inaccurate, and that testing result is difficult to is accurate, objectively responds self-compacting concrete filled layer
The problem of blibbing situation.
Summary of the invention
Self-compacting concrete surface quality detection low efficiency is being carried out for the prior art, testing result is inaccurate to ask
Topic, the present invention provide a kind of railway self-compacting concrete surface quality detection method and terminal device.
In order to solve the above technical problems, the technical solution adopted by the present invention is that：
The first aspect of the embodiment of the present invention provides a kind of railway self-compacting concrete surface quality detection method, the party
Method is applied to a kind of binocular camera acquisition system, and the binocular camera acquisition system includes the first video camera and the second camera shooting
The pitch-row of machine, first video camera and the second video camera is constant A, the view of first video camera and second video camera
Rink corner is identical, the vertex c of the field angle of first video camera1With the vertex c of the field angle of second video camera2Line L
Parallel with the self-compacting concrete surface, first video camera and second video camera acquire the self-compaction simultaneously and mix
The image on solidifying soil surface, this method include：
Obtain the image F of the acquisition of the first video camera described in synchronization1With the image F of second video camera acquisition2,
And obtain image F1With image F2Overlapping region image Fc；
All bubble images in the overlapping region image Fc are obtained, include m gas in the overlapping region image Fc
Image is steeped, m >=1, m are positive integer；
Bubble k in the m bubble is made of n pixel, for the pixel i in the n pixel, first
The field angle of video camera is β1, the field angle of second video camera is β2, according to the constant A, the β1With the β2, obtain
The vertical range h of capture vegetarian refreshments i to line Lki；
The first video camera or the second video camera are obtained in plane right-angle coordinate for the x-axis field angle β of pixel ixi
With y-axis field angle βyi, and the x-axis field angle β of the pixel i-1 adjacent with pixel ix(i-1)With y-axis field angle βy(i-1)；
According to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel ii；
The area of n pixel in the bubble k is obtained, and according to the area of n pixel in the bubble k, is obtained
The surface area S of the bubble kk；
Obtain the bladdery surface area of tested self-compacting concrete surface institute, and according to the bladdery surface area of institute,
Judge whether tested self-compacting concrete is qualified.
Further, all bubble images obtained in the overlapping region image Fc include：
Using edge extracting method, all bubble images in the overlapping region image Fc are obtained.
Further, according to the constant A, the β1With the β2, obtain the vertical range h of pixel i to LkiIncluding：
hki=A/ [(tan β1)-1+(tanβ2)-1]
Further, according to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel iiIncluding：
According to hki、βxiAnd βx(i-1)Pixel i is obtained in the distance d of x-axis directionxi, including：
dxi=hkicsc2βxi(βxi-βx(i-1))
According to hki、βyiAnd βy(i-1)Pixel i is obtained in the distance d in y-axis directionyi, including：
dyi=hkicsc2βyi(βyi-βy(i-1))
According to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel iiIncluding：
Si=dxidyi=hkicsc2βxi(βxi-βx(i-1))hkicsc2βyi(βyi-βy(i-1))
Further, according to the area of n pixel in the bubble k, the surface area S of the bubble k is obtainedkPacket
It includes：
Further, this method further includes：First video camera and the second video camera acquire the gas in synchronization jointly
The image of k is steeped, obtains the image of the bubble k at a moment altogether, calculates separately the bubble k area of a moment acquisition, wherein
It is S in the area for the bubble k that j-th of moment at a moment obtainskj, a >=2, a are positive integer, then,
Further, this method further includes：
According to the bladdery surface area of institute, judge whether qualification includes tested self-compacting concrete：
It is described to be tested certainly if the tested self-compacting concrete surface includes the bubble that area is greater than the first preset area
Air-free concrete is unqualified；
If the area of the tested each bubble in self-compacting concrete surface is both less than the first preset area, but is greater than second
The gross area of the bubble of preset area is more than the preset ratio of tested self-compacting concrete surface area, then the tested self-compaction
Concrete is unqualified, wherein first the second preset area of preset area >；
If the area of the tested each bubble in self-compacting concrete surface is both less than the first preset area, and is greater than second
The gross area of the bubble of preset area is no more than the preset ratio of tested self-compacting concrete surface area, then described tested from close
Real concrete is qualified.
The second aspect of the embodiment of the present invention provides a kind of railway self-compacting concrete surface quality detection device, the dress
It sets including a kind of binocular camera acquisition module, the binocular camera acquisition module includes the first video camera and the second camera shooting
The pitch-row of machine, first video camera and the second video camera is constant A, the view of first video camera and second video camera
Rink corner is identical, which further includes：First acquisition unit, second acquisition unit, the first computing unit, third acquiring unit,
Two computing units, third computing unit and judging unit；
The first acquisition unit, for obtaining the image F of the acquisition of the first video camera described in synchronization1With described
The image F of two video cameras acquisition2, and obtain image F1With image F2Overlapping region image Fc；
The second acquisition unit, for obtaining all bubble images in the overlapping region image Fc, the overlapping
It include m bubble image in area image Fc, m >=1, m are positive integer；
First computing unit, for according to described constant A, β1And β2, calculate the vertical range h of pixel i to Lki,
Wherein the bubble k in m bubble is made of n pixel, for the pixel i in the n pixel, the first video camera
Field angle is β1, the field angle of second video camera is β2；
The third acquiring unit, for obtain the first video camera or the second video camera in plane right-angle coordinate for
The x-axis field angle β of pixel ixiWith y-axis field angle βyi, and the x-axis field angle of the pixel i-1 adjacent with pixel i
βx(i-1)With y-axis field angle βy(i-1)；
Second computing unit, for according to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area of pixel i
Si；
The third computing unit, for obtaining the area of n pixel in bubble k, and according to n in the bubble k
The area of pixel obtains the surface area S of the bubble kk；
The judging unit, for obtaining the bladdery surface area of tested self-compacting concrete surface institute, and according to described
The bladdery surface area of institute judges whether tested self-compacting concrete is qualified.
The third aspect of the embodiment of the present invention provides a kind of railway self-compacting concrete surface quality detection terminal device,
Including memory, processor and store the computer program that can be run in the memory and on the processor, institute
It states when processor executes the computer program and realizes such as any one of first aspect railway self-compacting concrete surface quality detection
The step of method.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, is realized when the computer program is executed by processor if any one of first aspect railway is from close
The step of real concrete surface quality detection method.
Technical solution of the present invention technical effect：By obtaining the image F acquired in the first video camera of synchronization1With second
The image F of video camera acquisition2, and obtain image F1With image F2Overlapping region image Fc；It obtains in overlapping region image Fc
Bubble k, for the pixel i in bubble k, according between two video cameras pitch-row, two video cameras to the field angle of i, obtain
The vertical range h of capture vegetarian refreshments i to Lki；The first video camera or the second video camera are obtained in plane right-angle coordinate for pixel
The x-axis field angle β of point ixiWith y-axis field angle βyi, and the x-axis field angle β of the pixel i-1 adjacent with pixel ix(i-1)
With y-axis field angle βy(i-1)；According to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel ii；According to bubble k
In n pixel area, obtain bubble k surface area Sk.To efficient, accurate acquisition self-compacting concrete surface
Bubble distribution and area situation, it is automatic to determine whether self-compacting concrete is qualified.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of flow chart of railway self-compacting concrete surface quality detection method provided in an embodiment of the present invention；
Fig. 2 is a kind of binocular camera acquisition system schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of railway self-compacting concrete surface quality detection device provided in an embodiment of the present invention and working method
Schematic diagram；
Fig. 4 is a kind of railway self-compacting concrete surface quality detection device schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of railway self-compacting concrete surface quality detection terminal device signal provided in an embodiment of the present invention
Figure.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
The embodiment of the invention provides a kind of railway self-compacting concrete surface quality detection methods, in conjunction with Fig. 1, this method
Including：
S101 obtains the image F of the acquisition of the first video camera described in synchronization1With the figure of second video camera acquisition
As F2, and obtain image F1With image F2Overlapping region image Fc.
As shown in Fig. 2, this method is applied to a kind of binocular camera acquisition system, the binocular camera acquisition system packet
Containing the first video camera and the second video camera, the pitch-row of first video camera and the second video camera is constant A, first camera shooting
Machine is identical as the field angle of second video camera, the vertex c of the field angle of first video camera1With second video camera
Field angle vertex c2Line L it is parallel with the self-compacting concrete surface, first video camera and described second is taken the photograph
Camera acquires the image on the self-compacting concrete surface simultaneously.
The image F of the acquisition of the first video camera described in synchronization1With the image F of second video camera acquisition2, such as scheme
Shown in 2, the first video camera and the second video camera include overlapping region in the image that synchronization acquires, and obtain image F1And image
F2Overlapping region image Fc.
S102 obtains all bubble images in the overlapping region image Fc, includes in the overlapping region image Fc
M bubble image.
Wherein, m >=1, m are positive integer.
Optionally, using edge extracting method, the edge of all bubble images in the overlapping region image Fc is obtained,
To obtain bubble image all in overlapping region.
Bubble k in S103, m bubbles is made of n pixel, for the pixel i in the n pixel,
The field angle of one video camera is β1, the field angle of second video camera is β2, according to the constant A, the β1With the β2,
Obtain the vertical range h of pixel i to Lki。
For a bubble in m bubble in overlapping region, such as bubble k, get bubble k's by step 2
Behind edge, for being in the intramarginal pixel i of bubble k, the field angle of the first video camera is β1, second video camera
Field angle be β2, optionally, pixel i can be calculated by following formula to straight line L, i.e., by point c1With point c2The straight line of composition
Vertical range hki：
hki=A/ [(tan β1)-1+(tanβ2)-1]
S104 obtains the first video camera or the second video camera and the x-axis of pixel i is regarded in plane right-angle coordinate
Rink corner βxiWith y-axis field angle βyi, and the x-axis field angle β of the pixel i-1 adjacent with pixel ix(i-1)With y-axis field angle
βy(i-1)。
Rectangular coordinate system is established using tested self-compacting concrete surface as plane, obtains the first video camera or the second camera shooting
Machine is in plane right-angle coordinate for the x-axis field angle β of pixel ixiWith y-axis field angle βyi, and it is adjacent with pixel i
Pixel i-1 x-axis field angle βx(i-1)With y-axis field angle βy(i-1)。
In this step, it is only necessary to obtain the first video camera in the plane right-angle coordinate relative to pixel i and
The x-axis field angle and y-axis field angle of pixel i-1 or the second video camera are in the plane right-angle coordinate relative to pixel
The x-axis field angle and y-axis field angle of point i and pixel i-1 does not need to obtain plane rectangular coordinates described in two video cameras simultaneously
Relative to the x-axis field angle and y-axis field angle of pixel i and pixel i-1 in system.
S105, according to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel ii。
Optionally, S is calculated as followsi。
According to hki、βxiAnd βx(i-1)Pixel i is obtained in the distance d of x-axis directionxi, including：
dxi=hkicsc2βxi(βxi-βx(i-1))
According to hki、βyiAnd βy(i-1)Pixel i is obtained in the distance d in y-axis directionyi, including：
dyi=hkicsc2βyi(βyi-βy(i-1))
According to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel iiIncluding：
Si=dxidyi=hkicsc2βxi(βxi-βx(i-1))hkicsc2βyi(βyi-βy(i-1))
S106 obtains the surface area S of the bubble k according to the area of n pixel in the bubble kk。
Optionally, the area of all pixels point in bubble k is successively obtained according to above-mentioned steps, and is calculated by following formula
The surface area of bubble k：
Optionally, as shown in figure 3, binocular camera acquisition system is fixed on sliding platform, power plant module and sliding are flat
Platform is connected, and control module is connected with power plant module and binocular camera acquisition system respectively.Control module is controlling power plant module just
Turn or invert, when power plant module rotates forward, sliding platform is driven at the uniform velocity to move from left to right, when power plant module inverts, drives and slide
Platform moves from right to left.Control module also controls binocular camera and carries out Image Acquisition, and in embodiments of the present invention, citing comes
It says, when binocular camera starts at the uniform velocity to move from left to right with sliding platform, control module controls binocular camera starting simultaneously
Self-compacting concrete surface to be measured is shot with the speed of 25 frame per second, when binocular camera is moved to sliding platform most
Control module control binocular camera stops shooting when right side, completes primary shooting.
Optionally, when binocular camera starts at the uniform velocity to move from right to left with sliding platform, control module controls binocular
Video camera is started and is shot with the speed of 25 frame per second to self-compacting concrete surface to be measured, when binocular camera is moved to
Control module control binocular camera stops shooting when the rightmost side of sliding platform, completes secondary shooting.
To improve SkPrecision, the image of the bubble k at multiple moment can according to the method described above, be obtained, when such as a shared
Carving in (a > 2) first video camera and the overlapping region image of the second video camera acquisition all includes bubble k.At this point, utilizing SIFT
(Scale-invariant feature transform, Scale invariant features transform) is registrated consecutive frame image, identification
Bubble k appears in the first video camera out, point range at the time of in the second camera sequence frame overlapping region.When calculating separately a
The bubble k area obtained is carved, wherein the area in the bubble k of j-th of moment acquisition at a moment is Skj, a >=2, a are
Positive integer.It is then that the area summation of a moment bubble k is average again, the area of accurate bubble k can be obtained, specifically, can lead to
Cross the area that following formula calculates bubble k：
S107 obtains the bladdery surface area of tested self-compacting concrete surface institute, and according to the bladdery table of institute
Area judges whether tested self-compacting concrete is qualified.
Optionally, if the tested self-compacting concrete surface includes the bubble that area is greater than the first preset area, institute
It is unqualified to state tested self-compacting concrete；
If the area of the tested each bubble in self-compacting concrete surface is both less than the first preset area, but is greater than second
The gross area of the bubble of preset area is more than the preset ratio of tested self-compacting concrete surface area, then the tested self-compaction
Concrete is unqualified, wherein first the second preset area of preset area >；
If the area of the tested each bubble in self-compacting concrete surface is both less than the first preset area, and is greater than second
The gross area of the bubble of preset area is no more than the preset ratio of tested self-compacting concrete surface area, then described tested from close
Real concrete is qualified.
According to standard《III plate-type non-fragment orbit self-compacting concrete of high-speed railway CRTS》(Q/CR 596-2017), the
One preset area is 50 square centimeters, and the second preset area is 6 square centimeters, preset ratio 2%.
The embodiment of the invention provides a kind of railway self-compacting concrete surface quality detection methods, by obtaining same
The image F of the first video camera of moment acquisition1With the image F of the second video camera acquisition2, and obtain image F1With image F2Overlapping
Area image Fc；Obtain the bubble k in overlapping region image Fc, for the pixel i in bubble k, according to two video cameras it
Between pitch-row, two video cameras to the field angle of i, obtain the vertical range h of pixel i to Lki；Obtain the first video camera or
Two video cameras are in plane right-angle coordinate for the x-axis field angle β of pixel ixiWith y-axis field angle βyi, and and pixel
The x-axis field angle β of i adjacent pixel i-1x(i-1)With y-axis field angle βy(i-1)；According to the hki、βxi、βyi、βx(i-1)With
βy(i-1)Obtain the area S of pixel ii；According to the area of n pixel in bubble k, the surface area S of bubble k is obtainedk.It is logical
This method is crossed, the bubble distribution and area situation on self-compacting concrete surface can efficiently, be accurately obtained, is determined automatically certainly
Whether air-free concrete is qualified.
Further, in conjunction with Fig. 4, the embodiment of the invention provides a kind of railway self-compacting concrete surface quality detection dresses
It sets, which includes a kind of binocular camera acquisition module 40, and the binocular camera acquisition module includes the first video camera 401
With the second video camera 402, the pitch-row of first video camera 401 and the second video camera 402 is constant A, first video camera
401 is identical as the field angle of second video camera 402, and in conjunction with Fig. 4, which further includes：First acquisition unit 41, second are obtained
Take unit 42, the first computing unit 43, third acquiring unit 44, the second computing unit 45, third computing unit 46 and judgement single
Member 47；
The first acquisition unit 41, for obtaining the image F of the acquisition of the first video camera described in synchronization1With it is described
The image F of second video camera acquisition2, and obtain image F1With image F2Overlapping region image Fc；
The second acquisition unit 42 is described heavy for obtaining all bubble images in the overlapping region image Fc
It include m bubble image in folded area image Fc, m >=1, m are positive integer；
First computing unit 43, for according to described constant A, β1And β2, calculate the vertical range of pixel i to L
hki, wherein the bubble k in m bubble is made of n pixel, for the pixel i in the n pixel, the first camera shooting
The field angle of machine is β1, the field angle of second video camera is β2；
The third acquiring unit 44, for establishing plane rectangular coordinates using tested self-compacting concrete surface as plane
System obtains the first video camera or the second video camera in plane right-angle coordinate for the x axis field angle β of pixel ixiAnd y-axis
Field angle βyi, and the x-axis field angle β of the pixel i-1 adjacent with pixel ix(i-1)With y-axis field angle βy(i-1)；
Second computing unit 45, for according to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the face of pixel i
Product Si；
The third computing unit 46, for obtaining the area of n pixel in bubble k, and according to n in the bubble k
The area of a pixel obtains the surface area S of the bubble kk；
The judging unit 47, for obtaining the bladdery surface area of tested self-compacting concrete surface institute, and according to institute
The bladdery surface area of institute is stated, judges whether tested self-compacting concrete is qualified.
Optionally, the second acquisition unit 42 is specifically used for：Using edge extracting method, the overlapping region figure is obtained
As all bubble images in Fc.
Optionally, first computing unit 43 is specifically used for：According to formula hki=A/ [(tan β1)-1+ tan β 2-1 meter
Calculate the vertical range hki of pixel i to L；
According to hkiAnd βxiPixel i is obtained in the distance d of x-axis directionxi, including：
Optionally, second computing unit 45 is specifically used for：According to formula dxi=hkicsc2βxi(βxi- β x (i-1) meter
Pixel i is calculated in the distance dxi of x-axis direction, according to formula dyi=hkicsc2βyi(βyi-βy(i-1)) pixel i is calculated in y-axis
The distance d in directionyi, according to formula Si=dxidyi=hkicsc2βxi(βxi-βx(i-1))hkicsc2βyi(βyi-βy(i-1)) calculate picture
The area of vegetarian refreshments i.
Optionally, the third computing unit 46 is specifically used for：According to formulaCalculate gas
Steep the area S of kk, wherein the first video camera and the second video camera acquire the image of the bubble k in synchronization jointly, obtain altogether
The image for obtaining the bubble k at a moment is S in the area for the bubble k that the jth moment at a moment obtainskj, a >=
2, a be positive integer.
The embodiment of the invention provides a kind of railway self-compacting concrete surface quality detection device, which passes through acquisition
In the image F of the first video camera of synchronization acquisition1With the image F of the second video camera acquisition2, and obtain image F1With image F2
Overlapping region image Fc；The bubble k obtained in overlapping region image Fc takes the photograph the pixel i in bubble k according to two
Pitch-row, two video cameras between camera obtain the vertical range h of pixel i to L to the field angle of iki；Obtain the first camera shooting
Machine or the second video camera are in plane right-angle coordinate for the x-axis field angle β of pixel ixiWith y-axis field angle βyi, Yi Jiyu
The x-axis field angle β of pixel i adjacent pixel i-1x(i-1)With y-axis field angle βy(i-1)；According to the hki、βxi、βyi、
βx(i-1)And βy(i-1)Obtain the area S of pixel ii；According to the area of n pixel in bubble k, the surface of bubble k is obtained
Product Sk.By this method, the bubble distribution and area situation on self-compacting concrete surface can efficiently, be accurately obtained, from
It is dynamic to determine whether self-compacting concrete is qualified.
Fig. 5 is a kind of signal of railway self-compacting concrete surface quality detection terminal device provided in an embodiment of the present invention
Figure.As shown in figure 5, a kind of railway self-compacting concrete surface quality detection terminal device 5 of the embodiment includes：Processor
50, memory 51 and the computer program 52 that can be run in the memory 51 and on the processor 50, example are stored in
Such as a kind of railway self-compacting concrete surface quality detection program.The realization when processor 50 executes the computer program 52
Step in above-mentioned each railway self-compacting concrete surface quality detection embodiment of the method, for example, step 101 shown in FIG. 1 to
103 such as step 101 shown in FIG. 1 to 107.Alternatively, realization when the processor 50 executes the computer program 52
The function of each unit in above-mentioned each Installation practice, such as the function of module 40 to 47 shown in Fig. 4.
Illustratively, the computer program 52 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 51, and are executed by the processor 50, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 52 in railway self-compacting concrete surface quality detection terminal device 5 is described.For example,
The computer program 52 can be divided into synchronization module, summarizing module, obtain module, return module (in virtual bench
Module).
A kind of railway self-compacting concrete surface quality detection terminal device 5 can be desktop PC, notes
Originally, palm PC and cloud server etc. calculate equipment.A kind of railway self-compacting concrete surface quality detection terminal is set
It is standby to may include, but be not limited only to, processor 50, memory 51.It will be understood by those skilled in the art that Fig. 5 is only a kind of iron
The example of road self-compacting concrete surface quality detection terminal device 5, is not constituted to a kind of railway self-compacting concrete surface
The restriction of quality testing terminal device 5, may include than illustrating more or fewer components, perhaps combine certain components or
Different components, such as a kind of railway self-compacting concrete surface quality detection terminal device can also include input and output
Equipment, network access equipment, bus etc..
Alleged processor 50 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 51 can be a kind of the interior of railway self-compacting concrete surface quality detection terminal device 5
Portion's storage unit, such as a kind of hard disk or memory of railway self-compacting concrete surface quality detection terminal device 5.The storage
Device 51 is also possible to a kind of External memory equipment of railway self-compacting concrete surface quality detection terminal device 5, such as
The plug-in type hard disk being equipped on a kind of railway self-compacting concrete surface quality detection terminal device 5, intelligent memory card
(Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card) etc..Into
One step, the memory 51 can also both include a kind of railway self-compacting concrete surface quality detection terminal device 5
Internal storage unit also include External memory equipment.The memory 51 is for storing the computer program and described one
Other programs and data needed for kind railway self-compacting concrete surface quality detection terminal device.The memory 51 can be with
For temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..Computer-readable Jie
Matter may include：Can carry the computer program code any entity or device, recording medium, USB flash disk, mobile hard disk,
Magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that：It still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of railway self-compacting concrete surface quality detection method, which is characterized in that this method is applied to a kind of binocular and takes the photograph
Camera acquisition system, the binocular camera acquisition system include the first video camera and the second video camera, first video camera
Pitch-row with the second video camera is constant A, and first video camera is identical as the field angle of second video camera, described first
The vertex c of the field angle of video camera1With the vertex c of the field angle of second video camera2Line L and the self-compaction coagulation
Native surface is parallel, and first video camera and second video camera acquire the image on the self-compacting concrete surface simultaneously,
This method includes：
Obtain the image F of the acquisition of the first video camera described in synchronization1With the image F of second video camera acquisition2, and obtain
Take image F1With image F2Overlapping region image Fc；
All bubble images in the overlapping region image Fc are obtained, include m bubble diagram in the overlapping region image Fc
Picture, m >=1, m are positive integer；
Bubble k in the m bubble is made of n pixel, for the pixel i in the n pixel, the first camera shooting
The field angle of machine is β1, the field angle of second video camera is β2, according to the constant A, the β1With the β2, obtain picture
The vertical range h of vegetarian refreshments i to line Lki；
Plane right-angle coordinate is established using tested self-compacting concrete surface as plane, obtains the first video camera or the second video camera
For the x-axis field angle β of pixel i in plane right-angle coordinatexiWith y-axis field angle βyi, and it is adjacent with pixel i
The x-axis field angle β of pixel i-1x(i-1)With y-axis field angle βy(i-1)；
According to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel ii；
The area of n pixel in the bubble k is obtained, and according to the area of n pixel in the bubble k, described in acquisition
The surface area S of bubble kk；
The bladdery surface area of tested self-compacting concrete surface institute is obtained, and according to the bladdery surface area of institute, judgement
Whether tested self-compacting concrete is qualified.
2. the method according to claim 1, wherein obtaining all bubble diagrams in the overlapping region image Fc
As including：
Using edge extracting method, all bubble images in the overlapping region image Fc are obtained.
3. the method according to claim 1, wherein according to the constant A, the β1With the β2, obtain pixel
The vertical range h of point i to LkiIncluding：
hki=A/ [(tan β1)-1+(tanβ2)-1]。
4. the method according to claim 1, wherein according to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain picture
The area S of vegetarian refreshments iiIncluding：
According to hki、βxiAnd βx(i-1)Pixel i is obtained in the distance d of x-axis directionxi, including：
dxi=hkicsc2βxi(βxi-βx(i-1))
According to hki、βyiAnd βy(i-1)Pixel i is obtained in the distance d in y-axis directionyi, including：
dyi=hkicsc2βyi(βyi-βy(i-1))
According to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel iiIncluding：
Si=dxidyi=hkicsc2βxi(βxi-βx(i-1))hkicsc2βyi(βyi-βy(i-1))。
5. according to the method described in claim 4, it is characterized in that, being obtained according to the area of n pixel in the bubble k
Obtain the surface area S of the bubble kkIncluding：
。
6. method according to claim 1-5, which is characterized in that this method further includes：First video camera and
Two video cameras acquire the image of the bubble k in synchronization jointly, obtain the image of the bubble k at a moment altogether, respectively
The bubble k area of a moment acquisition is calculated, wherein the area in the bubble k of j-th of moment acquisition at a moment is Skj,
A >=2, a are positive integer, then,
。
7. the method according to claim 1, wherein according to the bladdery surface area of institute, judgement is tested certainly
Whether qualification includes air-free concrete：
If the tested self-compacting concrete surface includes the bubble that area is greater than the first preset area, the tested self-compaction
Concrete is unqualified；
If the area of the tested each bubble in self-compacting concrete surface is both less than the first preset area, but it is default to be greater than second
The gross area of the bubble of area is more than the preset ratio of tested self-compacting concrete surface area, then the tested self-compaction coagulation
Soil is unqualified, wherein first the second preset area of preset area >；
If the area of the tested each bubble in self-compacting concrete surface is both less than the first preset area, and it is default to be greater than second
The gross area of the bubble of area is no more than the preset ratio of tested self-compacting concrete surface area, then the tested self-compaction is mixed
Solidifying soil is qualified.
8. a kind of railway self-compacting concrete surface quality detection device, which is characterized in that the device includes a kind of binocular camera shooting
Machine acquisition module, the binocular camera acquisition module include the first video camera and the second video camera, first video camera and
The pitch-row of second video camera is constant A, and first video camera is identical as the field angle of second video camera, which also wraps
It includes：First acquisition unit, second acquisition unit, the first computing unit, third acquiring unit, the second computing unit, third calculate
Unit and judging unit；
The first acquisition unit, for obtaining the image F of the acquisition of the first video camera described in synchronization1It is taken the photograph with described second
The image F of camera acquisition2, and obtain image F1With image F2Overlapping region image Fc；
The second acquisition unit, for obtaining all bubble images in the overlapping region image Fc, the overlapping region
It include m bubble image in image Fc, m >=1, m are positive integer；
First computing unit, for according to described constant A, β1And β2, calculate the vertical range h of pixel i to Lki, wherein m
Bubble k in a bubble is made of n pixel, for the pixel i in the n pixel, the visual field of the first video camera
Angle is β1, the field angle of second video camera is β2；
The third acquiring unit is obtained for establishing plane right-angle coordinate using tested self-compacting concrete surface as plane
First video camera or the second video camera are in plane right-angle coordinate for the x-axis field angle β of pixel ixiWith y-axis field angle
βyi, and the x-axis field angle β of the pixel i-1 adjacent with pixel ix(i-1)With y-axis field angle βy(i-1)；
Second computing unit, for according to the hki、βxi、βyi、βx(i-1)And βy(i-1)Obtain the area S of pixel ii；
The third computing unit, for obtaining the area of n pixel in bubble k, and according to n pixel in the bubble k
The area of point, obtains the surface area S of the bubble kk；
The judging unit, for obtaining the bladdery surface area of tested self-compacting concrete surface institute, and according to described all
The surface area of bubble judges whether tested self-compacting concrete is qualified.
9. a kind of railway self-compacting concrete surface quality detection terminal device, including memory, processor and it is stored in institute
State the computer program that can be run in memory and on the processor, which is characterized in that the processor executes the meter
It is realized when calculation machine program such as the step of any one of claim 1 to 7 the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as claim 1 to 7 of realization the method.
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| CN117409007A (en) * | 2023-12-15 | 2024-01-16 | 深圳市什方智造科技有限公司 | Method, device, equipment and medium for determining laminating degree of battery heating film |
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| CN107621436A (en) * | 2017-10-11 | 2018-01-23 | 云南省交通规划设计研究院 | A kind of cement concrete pore property analysis system and its method of testing |
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| CN117409007A (en) * | 2023-12-15 | 2024-01-16 | 深圳市什方智造科技有限公司 | Method, device, equipment and medium for determining laminating degree of battery heating film |
| CN117409007B (en) * | 2023-12-15 | 2024-04-12 | 深圳市什方智造科技有限公司 | Method, device, equipment and medium for determining laminating degree of battery heating film |
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