CN107389705A - A kind of power equipment X ray Non-Destructive Testing three-D imaging method - Google Patents
A kind of power equipment X ray Non-Destructive Testing three-D imaging method Download PDFInfo
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- CN107389705A CN107389705A CN201710593692.9A CN201710593692A CN107389705A CN 107389705 A CN107389705 A CN 107389705A CN 201710593692 A CN201710593692 A CN 201710593692A CN 107389705 A CN107389705 A CN 107389705A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/646—Specific applications or type of materials flaws, defects
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Abstract
The invention discloses a kind of power equipment X ray Non-Destructive Testing three-D imaging method, including：The contour feature of defect in power equipment X ray two dimensional image to be measured is extracted, calculates the actual coordinate and actual size of defect in the power equipment to be measured；According to contour feature, the type of defect is determined；According to the actual coordinate and actual size of defect, three-dimensional drawbacks of the standard corresponding to type is inserted and preset in power equipment threedimensional model to be measured.This method is according to the contour feature of defect in the X ray two dimensional image of extraction and judges the type of defect, and the actual coordinate and actual size for the defects of calculating, three-dimensional drawbacks of the standard insertion corresponding to defect type is preset in power equipment threedimensional model to be measured, so as to obtain power equipment X ray Non-Destructive Testing 3-dimensional image to be measured.This method is simple to operate, the 3-dimensional image visual pattern of acquisition, is advantageous to the internal flaw that staff determines Devices to test.
Description
Technical field
The present invention relates to equipment X ray technical field of nondestructive testing, more particularly to a kind of power equipment X ray Non-Destructive Testing
Three-D imaging method.
Background technology
X ray Non-Destructive Testing is to detect out internal flaw present in power equipment using the strong penetration capacity of X ray
A kind of detection means, it is mainly interior in power equipment to detect according to the strong and weak change for the X ray for penetrating power equipment to be measured
Portion's defect.Because X ray Non-Destructive Testing is accurate rapidly, therefore, the technology is expansible to be applied in various inside industrial equipment defects
In detection.
At present, X ray non-destructive testing technology is to launch x-ray bombardment to power equipment to be measured by X-ray production apparatus, and X is penetrated
Line penetrates power equipment to be measured, the radioscopic image of two-dimensional projection is formed directly on digital imagery plate, finally by installed in electricity
Image capture software on brain, obtain the radioscopic image of projection.Staff determines tested electricity according to the radioscopic image of acquisition
The internal flaw of power equipment.
But the radioscopic image obtained in the above method is two dimensional image, because power equipment internal structure is complicated, institute
Part is overlapping serious in the radioscopic image of shooting, can not intuitively find out the concrete condition of equipment, and internal lack is determined to staff
Sunken work brings inconvenience.
The content of the invention
The invention provides a kind of power equipment X ray Non-Destructive Testing three-D imaging method, methods described includes：
The contour feature of defect in power equipment X ray two dimensional image to be measured is extracted, is calculated in the power equipment to be measured
The actual coordinate and actual size of defect；
According to the contour feature, the type of the defect is determined, wherein, the type of the defect includes：Linear discontinuities,
Bar defect, ball defects or elliposoidal defect；
According to the actual coordinate and actual size of the defect, three-dimensional drawbacks of the standard corresponding to the type is inserted default
In power equipment threedimensional model to be measured.
Preferably, the actual coordinate and actual size according to the defect, by three-dimensional standard corresponding to the type
After defect insertion is preset in power equipment threedimensional model to be measured, in addition to：
According to the defects of X ray two dimensional image half-tone information, the three-dimensional drawbacks of the standard progress gray scale of insertion is repaiied
Just.
Preferably, the actual coordinate and actual size of described the defects of calculating the power equipment to be measured, including：
The X ray two dimensional image of the power equipment to be measured respectively shot in two diverse locations according to X-ray production apparatus,
The image size of power equipment to be measured, the image size of the defect and bat described in two X ray two dimensional images are measured respectively
Take the photograph focal length；
The image size of power equipment to be measured according to two X ray two dimensional images, the image size of the defect
And shooting focal length, the coordinate of the size of defect and the defect center described in the image for shooting acquisition twice is calculated respectively；
The size of defect in two X ray two dimensional images is contrasted, using the maximum of two sizes as the defect
Actual size；
The average value of the coordinate of defect center described in two X ray two dimensional images is calculated, as the defect
Actual coordinate.
Preferably, the contour feature of defect in power equipment X ray two dimensional image to be measured is extracted, calculates the electric power to be measured
The actual coordinate and actual size of the defects of equipment, including：
The X ray two dimensional image of the power equipment to be measured respectively shot in three diverse locations according to X-ray production apparatus,
And the image size of power equipment to be measured, the image size of the defect and shooting described in X ray two dimensional image are measured respectively
Focal length；
The image size of power equipment to be measured according to three X ray two dimensional images, the image size of the defect
And shooting focal length, the coordinate of the size of defect and the defect center described in the image for shooting acquisition twice is calculated respectively；
The size of defect in three X ray two dimensional images is contrasted, using the maximum of three sizes as the defect
Actual size；
The average value of the coordinate of defect center described in three X ray two dimensional images is calculated, as the defect
Actual coordinate.
Preferably, the actual coordinate and actual size according to the defect, by three-dimensional standard corresponding to the type
Defect insertion is preset in power equipment threedimensional model to be measured, including：
According to the actual size of the power equipment to be measured, default power equipment threedimensional model to be measured and the defect
Actual size, the three-dimensional drawbacks of the standard is zoomed in and out；
By defect center described in the three-dimensional drawbacks of the standard insertion default power equipment threedimensional model to be measured after scaling
The position of actual coordinate.
Technical scheme provided by the invention can include the following benefits：
A kind of power equipment X ray Non-Destructive Testing three-D imaging method provided in an embodiment of the present invention, including：Extract to be measured
The contour feature of defect in power equipment X ray two dimensional image, calculate in the power equipment to be measured the actual coordinate of defect and
Actual size；According to the contour feature, the type of the defect is determined, wherein, the type of the defect includes：It is linear to lack
Sunken, bar defect, ball defects or elliposoidal defect；According to the actual coordinate and actual size of the defect, by the type
Corresponding three-dimensional drawbacks of the standard insertion is preset in power equipment threedimensional model to be measured.This method is according to the X ray X-Y scheme of extraction
The contour feature of defect and judge the type of defect as in, and actual coordinate and actual size the defects of calculate, will
Three-dimensional drawbacks of the standard insertion corresponding to defect type is preset in power equipment threedimensional model to be measured, is set so as to obtain electric power to be measured
Standby X ray Non-Destructive Testing 3-dimensional image.This method is simple to operate, the 3-dimensional image visual pattern of acquisition, is advantageous to staff
Determine the internal flaw of Devices to test.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that a kind of flow of power equipment X ray Non-Destructive Testing three-D imaging method provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is a kind of method flow signal for calculating defect actual coordinate and actual size provided in an embodiment of the present invention
Figure；
Fig. 3 is that power equipment threedimensional model to be measured is preset in a kind of 3 D defects model insertion provided in an embodiment of the present invention
Method flow schematic diagram.
Embodiment
The embodiment of the present invention provides a kind of power equipment X ray Non-Destructive Testing three-D imaging method, as shown in figure 1, described
Method includes：
Step S100：The contour feature of defect in power equipment X ray two dimensional image to be measured is extracted, calculates the electricity to be measured
The actual coordinate and actual size of defect in power equipment.
In specific implementation process, the contour feature of defect in the extraction power equipment X ray two dimensional image to be measured,
In specific implementation process, half-tone information that can be by staff according to image identifies defect, penetrated in power equipment X to be measured
The profile of defect is marked out in line two dimensional image, the contour feature as the defect.
When including the overall radioscopic image of power equipment to be measured in power equipment X ray two dimensional image to be measured, first
In the possible embodiment of kind, the actual coordinate of described the defects of calculating the power equipment to be measured and the specific reality of actual size
Mode is applied, as shown in Fig. 2 including：
Step S101：The X ray of the power equipment to be measured respectively shot in two diverse locations according to X-ray production apparatus
Two dimensional image, the image size of power equipment to be measured, the image of the defect described in two X ray two dimensional images are measured respectively
Size and shooting focal length.
In embodiments of the present invention, for convenience of calculation, any point that can choose power equipment to be measured is origin, is established flat
Face rectangular coordinate system.In specific implementation process, position that can be contour with X-ray production apparatus emission port center on power equipment to be measured
Choose the origin a little as plane right-angle coordinate.
The position of selected X-ray production apparatus, the coordinate of X-ray production apparatus emission port center and imaging plate is recorded, meanwhile, measure X ray
The height at machine emission port center.The X ray two dimensional image of first power equipment to be measured is shot, the image is obtained from computer,
Using the image size of power equipment to be measured and the image chi of defect in the ranging software measurement X ray two dimensional image on computer
It is very little.The spacing of X-ray production apparatus reflex port and imaging plate is measured, this spacing is the shooting focal length of first X ray two dimensional image.
The position of mobile X-ray production apparatus, shoot the X ray two dimensional image of second power equipment to be measured, record X-ray production apparatus hair
Loophole center and the coordinate of imaging plate.The X ray two dimensional image of a power equipment to be measured is shot, the figure is obtained from computer
Picture, using the image size of power equipment to be measured and the shadow of defect in the ranging software measurement X ray two dimensional image on computer
As size.The spacing of X-ray production apparatus reflex port and imaging plate is measured, this spacing is the shooting focal length of second X ray two dimensional image.
Step S102：According to the two X ray two dimensional images image size of power equipment to be measured, the defect
Image size and shooting focal length, the size of defect described in the image for shooting acquisition twice and the defect center are calculated respectively
Coordinate.
The actual size of power equipment to be measured is obtained from default equipment size database, according to electricity to be measured in two images
The image size of the image size of power equipment, the actual size of power equipment to be measured and defect calculates the reality of the defect respectively
Size.
In specific implementation process, the influence size of power equipment to be measured is L11 in first image, power equipment to be measured
Actual size be L1, calculate first image is to the multiplication factor of power equipmentDue to defect and electric power to be measured
The multiplication factor of equipment is identical, therefore, if defect image size is L22, then the actual size of defect is
According to the image size of shooting focal length and power equipment to be measured, the actual size of power equipment to be measured, institute is calculated
State the space D of defect center and X-ray production apparatus emission port.
In specific implementation process, the focal length that measurement obtains the shooting of certain X ray is f, the image chi of power equipment to be measured
Very little and actual size is respectively L11 and L1, then in the X ray two dimensional image, the multiplication factor of conducting rod X ray transillumination projection
ForDefect is in same plane with conducting rod, and the multiplication factor of its X ray transillumination projection is alsoAccording to similar triangle
Shape geometrical relationship hasI.e.Therefore according to the image size of shooting focal length and power equipment to be measured,
The actual size of power equipment to be measured, it is possible to calculate the space D of defect center and X-ray production apparatus emission port.
Connection imaging plate and X-ray production apparatus emission port are calculated according to imaging plate coordinate and X-ray production apparatus emission port centre coordinate
Linear equation, so as to obtain on this straight line between imaging plate and X-ray production apparatus emission port and apart from X-ray production apparatus emission port spacing
For the coordinate of the coordinate of D point, the as defect center corresponding to the image.The X ray two dimension of two power equipments to be measured
Image can calculate the coordinate for obtaining defect center in plane right-angle coordinate respectively, be respectively (x1, y1) and (x2, y2).
But because defect center is not necessarily the center of X ray two dimensional image, therefore, also need to calculate determination defect center
Height., can be according to the spacing and electric power to be measured at defect center and the center of X ray two dimensional image in specific implementation process
The image size of equipment, the actual size of power equipment to be measured calculate the actual height h for obtaining defect center.
Step S103：Contrast two X ray two dimensional images in defect size, using the maximum of two sizes as
The actual size of the defect.
Two sizes the defects of acquisition in step S102 are contrasted, the reality using dimensional maximums as the defect
Border size.
Step S104：The average value of the coordinate of defect center described in two X ray two dimensional images is calculated, as institute
State the actual coordinate of defect.
In specific implementation process, the average value of (x1, y1) and (x2, y2) two point coordinates is calculated, i.e., Actual coordinate as the defect.So in rectangular coordinate system in space, the actual coordinate of the defect is
In order to improve computational accuracy, in second of possible embodiment, power equipment X ray X-Y scheme to be measured is extracted
As in defect contour feature, calculate the power equipment to be measured the defects of actual coordinate and actual size, including：
Step S1011：The X of the power equipment to be measured respectively shot in three diverse locations according to X-ray production apparatus is penetrated
Line two dimensional image, and the image size of power equipment to be measured, the image of the defect described in X ray two dimensional image are measured respectively
Size and shooting focal length.
Step S1021：The image size of power equipment to be measured, the defect according to three X ray two dimensional images
Image size and shooting focal length, calculate respectively in the size of defect described in the image for shooting acquisition twice and the defect
The coordinate of the heart.
Step S1031：The size of defect in three X ray two dimensional images is contrasted, the maximum of three sizes is made
For the actual size of the defect.
Step S1041：The average value of the coordinate of defect center described in three X ray two dimensional images is calculated, as
The actual coordinate of the defect.
In specific implementation process, the defects of three images obtain center coordinate be respectively (x1, y1), (x2, y2) and
(x3, y3), then the actual coordinate of the defect can beIn rectangular space coordinate
In system, h that the height or above-described embodiment of the defect calculate, therefore, the actual coordinate of the defect is
The present embodiment and the difference of above-described embodiment be X-ray production apparatus shoot three different positions three it is to be measured
The X ray two dimensional image of power equipment, and three sizes of defect and three coordinates of defect center are calculated, meanwhile, by three
Actual size of the maximum of individual size as the defect, the average value of three coordinates of defect center is as the defect
Actual coordinate, result of calculation are more accurate compared with above-described embodiment.
Because power equipment to be measured is larger, when can not be set in power equipment X ray two dimensional image to be measured comprising electric power to be measured
During standby overall radioscopic image, it is with above-mentioned two embodiment difference, it is necessary to work when calculating the coordinate of the defect
Make personnel and choose a part from the X ray two dimensional image of power equipment to be measured, obtain the actual size of the part, measure the portion
The image size of part and the image size of defect, so as to calculate the size of defect described in the two dimensional image.Such as a certain
The image size of conducting rod in image inside power equipment to be measured is L11, and the actual size of conducting rod is L1, therefore is calculated
The multiplication factor of conducting rod in the images isThe defects of inside conducting rod, is in same plane, times magnification with conducting rod
Number is identical, if defect image size is L22, then the actual size of defect isIt should be noted that
It is to calculate the actual size of a certain defect, it is only necessary to find and be in conplane part with the defect, search design drawing
Obtain the actual size L1 of the part, it is possible to according to the image size L11 and L22 of power equipment to be measured in two images, just
The actual size of the defect can be calculated.Other steps are identical with above-mentioned two embodiment, will not be repeated here.
Step S200：According to the contour feature, the type of the defect is determined.
The contour feature obtained according to step S100, determine the type of the defect.Wherein, the type bag of the defect
Include：Linear discontinuities, bar defect, ball defects or elliposoidal defect.
In specific implementation process, can by staff according in Non-Destructive Testing standard to linear discontinuities, bar defect,
The description of ball defects or elliposoidal defect, according to the contour feature of defect, judge to determine the type of defect.
Step S300：According to the actual coordinate and actual size of the defect, three-dimensional standard corresponding to the type is lacked
Insertion is fallen into preset in power equipment threedimensional model to be measured.
In a kind of possible embodiment, the actual coordinate and actual size according to the defect, by the class
The embodiment in power equipment threedimensional model to be measured is preset in three-dimensional drawbacks of the standard insertion corresponding to type, as shown in figure 3, bag
Include：
Step S301：According to the actual size of the power equipment to be measured, preset power equipment threedimensional model to be measured and
The actual size of the defect, the three-dimensional drawbacks of the standard is zoomed in and out.
Step S302：Described in the three-dimensional drawbacks of the standard insertion default power equipment threedimensional model to be measured after scaling
The position of defect center actual coordinate.
In specific implementation process, the method for the three-dimensional drawbacks of the standard after insertion scaling can be, by the three-dimensional after scaling
The position of defect center actual coordinate described in power equipment threedimensional model to be measured is preset in the center insertion of drawbacks of the standard, rotates institute
It is parallel with the largest face of the power equipment model to be measured to the largest face of the three-dimensional drawbacks of the standard to state three-dimensional drawbacks of the standard.
The defects of in order to more accurately describe the power equipment to be measured using radioscopic image, in a kind of possible implementation
In mode, the actual coordinate and actual size according to the defect, three-dimensional drawbacks of the standard corresponding to the type is inserted
After presetting in power equipment threedimensional model to be measured, in addition to：
According to the defects of X ray two dimensional image half-tone information, the three-dimensional drawbacks of the standard progress gray scale of insertion is repaiied
Just.
In specific implementation process, can according to corresponding to the defects of X ray two dimensional image gray difference and defect portion
The thickness of part and the corresponding relation of materials variances are realized.
When X ray penetrates object, absorbed by object, the difference of thickness and material, cause display image to show that gray scale has
Difference.Formula is expressed as I=I0e-μd, wherein, I is that X ray penetrates the transmitted intensity after object, I0It is to penetrate the X before object to penetrate
Line strength, d are the thickness of object certain point, and what μ reflected is the absorption characteristic of material, and usually, density of material is bigger, and X is penetrated
The absorption of line is bigger.Scanning thickness and the big object (or defect) of density, its absorption to X ray it can be seen from formula
Greatly, the X-ray intensity I after object is penetrated with regard to smaller, and gray scale is bigger.Usually, rejected region is same material, i.e. μ phases
Deng.Thickness ratio between any two points on three-dimensional defect profiles face
I1With I2With thickness d1And d2The gray scale at place is inversely proportional, and uses G1And G2To represent that thickness is d1And d2The gray scale at place, it can obtain
ArriveTherefore,
It can be reduced to
This shows that in the case of defect material is known, the thickness difference on defect profile between any two points can pass through ash
Degree difference is calculated.
In a kind of application scenarios, testing staff identifies that defect is thrown by the X ray two dimensional image of two different angles
Shadow face is ellipse, and then assumes that defect is approximate elliposoidal defect, is inserted standard spheroid shape defect according to coordinates computed.Insertion
Afterwards, a wherein image is chosen, each point gray value on defect plan is extracted, according to the difference of gray value, to calculate this
Difference in thickness in terms of kind of image transillumination, on standard spheroid body point by point correcting the image reflection the defects of transillumination direction
Difference in thickness；Then extract the gray difference on an other image again, the rest may be inferred, first time amendment spheroid on by
Point corrects the difference in thickness in the defects of second image reflection transillumination direction, ultimately forms close to real defect profile.
A kind of power equipment X ray Non-Destructive Testing three-D imaging method provided in an embodiment of the present invention, including：Extract to be measured
The contour feature of defect in power equipment X ray two dimensional image, calculate in the power equipment to be measured the actual coordinate of defect and
Actual size；According to the contour feature, the type of the defect is determined, wherein, the type of the defect includes：It is linear to lack
Sunken, bar defect, ball defects or elliposoidal defect；According to the actual coordinate and actual size of the defect, by the type
Corresponding three-dimensional drawbacks of the standard insertion is preset in power equipment threedimensional model to be measured.This method is according to the X ray X-Y scheme of extraction
The contour feature of defect and judge the type of defect as in, and actual coordinate and actual size the defects of calculate, will
Three-dimensional drawbacks of the standard insertion corresponding to defect type is preset in power equipment threedimensional model to be measured, is set so as to obtain electric power to be measured
Standby X ray Non-Destructive Testing 3-dimensional image.This method is simple to operate, the 3-dimensional image visual pattern of acquisition, is advantageous to staff
Determine the internal flaw of Devices to test.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice the disclosure invented here
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including undocumented common knowledges in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
Invention described above embodiment is not intended to limit the scope of the present invention..
Claims (5)
1. a kind of power equipment X ray Non-Destructive Testing three-D imaging method, it is characterised in that methods described includes：
The contour feature of defect in power equipment X ray two dimensional image to be measured is extracted, calculates defect in the power equipment to be measured
Actual coordinate and actual size；
According to the contour feature, the type of the defect is determined, wherein, the type of the defect includes：Linear discontinuities, bar shaped
Defect, ball defects or elliposoidal defect；
According to the actual coordinate and actual size of the defect, three-dimensional drawbacks of the standard corresponding to the type is inserted default to be measured
In power equipment threedimensional model.
2. the method as described in claim 1, it is characterised in that the actual coordinate and actual size according to the defect,
After three-dimensional drawbacks of the standard insertion is preset in power equipment threedimensional model to be measured corresponding to the type, in addition to：
According to the defects of X ray two dimensional image half-tone information, gray-level correction is carried out to the three-dimensional drawbacks of the standard of insertion.
3. the method as described in claim 1, it is characterised in that the actual seat of described the defects of calculating the power equipment to be measured
Mark and actual size, including：
The X ray two dimensional image of the power equipment to be measured respectively shot in two diverse locations according to X-ray production apparatus, respectively
It is burnt to measure the image size of power equipment to be measured described in two X ray two dimensional images, the image size of the defect and shooting
Away from；
The image size of power equipment to be measured according to two X ray two dimensional images, the image size of the defect and bat
Focal length is taken the photograph, calculates the coordinate of the size of defect and the defect center described in the image for shooting acquisition twice respectively；
Contrast the size of defect in two X ray two dimensional images, the reality using the maximum of two sizes as the defect
Border size；
Calculate the average value of the coordinate of defect center described in two X ray two dimensional images, the reality as the defect
Coordinate.
4. the method as described in claim 1, it is characterised in that extract defect in power equipment X ray two dimensional image to be measured
Contour feature, calculate the power equipment to be measured the defects of actual coordinate and actual size, including：
The X ray two dimensional image of the power equipment to be measured respectively shot in three diverse locations according to X-ray production apparatus, and point
Not Ce Liang power equipment to be measured described in X ray two dimensional image image size, the image size and shooting focal length of the defect；
The image size of power equipment to be measured according to three X ray two dimensional images, the image size of the defect and bat
Focal length is taken the photograph, calculates the coordinate of the size of defect and the defect center described in the image for shooting acquisition twice respectively；
Contrast the size of defect in three X ray two dimensional images, the reality using the maximum of three sizes as the defect
Border size；
Calculate the average value of the coordinate of defect center described in three X ray two dimensional images, the reality as the defect
Coordinate.
5. the method as described in claim 3 or 4, it is characterised in that the actual coordinate according to the defect and actual chi
It is very little, three-dimensional drawbacks of the standard corresponding to the type is inserted and preset in power equipment threedimensional model to be measured, including：
According to the reality of the actual size of the power equipment to be measured, default power equipment threedimensional model to be measured and the defect
Size, the three-dimensional drawbacks of the standard is zoomed in and out；
Defect center described in the three-dimensional drawbacks of the standard insertion default power equipment threedimensional model to be measured after scaling is actual
The position of coordinate.
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Cited By (6)
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| CN108416839A (en) * | 2018-03-08 | 2018-08-17 | 云南电网有限责任公司电力科学研究院 | Several X-ray rotating image contour line three-dimensional rebuilding methods of one kind and its system |
| CN109001212A (en) * | 2018-07-17 | 2018-12-14 | 五邑大学 | A kind of stainless steel soup ladle defect inspection method based on machine vision |
| CN110702708A (en) * | 2019-11-04 | 2020-01-17 | 云南电网有限责任公司电力科学研究院 | X-ray detection transillumination geometric parameter measuring method |
| CN112132773A (en) * | 2019-06-24 | 2020-12-25 | 曜科智能科技（上海）有限公司 | Airplane head cover riveting point defect detection method, device, equipment and storage medium |
| CN116908222A (en) * | 2023-09-13 | 2023-10-20 | 广东天信电力工程检测有限公司 | X-ray detection method and system for GIS equipment faults |
| CN117129491A (en) * | 2023-09-20 | 2023-11-28 | 广东天信电力工程检测有限公司 | GIS equipment defect detection method and system based on X-rays |
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| CN112132773A (en) * | 2019-06-24 | 2020-12-25 | 曜科智能科技（上海）有限公司 | Airplane head cover riveting point defect detection method, device, equipment and storage medium |
| CN112132773B (en) * | 2019-06-24 | 2024-04-12 | 曜科智能科技（上海）有限公司 | Method, device, equipment and storage medium for detecting riveting point defect of aircraft head cover |
| CN110702708A (en) * | 2019-11-04 | 2020-01-17 | 云南电网有限责任公司电力科学研究院 | X-ray detection transillumination geometric parameter measuring method |
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| CN116908222B (en) * | 2023-09-13 | 2023-12-19 | 广东天信电力工程检测有限公司 | X-ray detection method and system for GIS equipment faults |
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