CN106649598A - Detection method for icing thickness of power transmission line - Google Patents
Detection method for icing thickness of power transmission line Download PDFInfo
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- CN106649598A CN106649598A CN201611047688.4A CN201611047688A CN106649598A CN 106649598 A CN106649598 A CN 106649598A CN 201611047688 A CN201611047688 A CN 201611047688A CN 106649598 A CN106649598 A CN 106649598A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
Abstract
The invention relates to a detection method for the icing thickness of a power transmission line. The method comprises the following steps of: receiving the image, which is shot by an unmanned aerial vehicle, of the power transmission line; carrying out image type classification, edge feature extraction and lead identification on the image; obtaining the number of pixels occupied by the diameter of a lead image and the diameter of an icing lead image in the image; according to an image resolution, calculating the practical diameter of the pixel, and finally calculating the icing thickness; and inquiring an image database, and judging icing thickness accuracy. Compared with a mechanical analysis method which adopts a mechanical sensor and an image analysis method which uses a video camera, the method disclosed by the invention is characterized in that workers do not need to install, repair or maintain the mechanical sensor or the video camera in field when the method detects the icing situation of the power transmission line, and the method bears few external interference factors. In addition, when the detection method for the icing thickness of the power transmission line is used for processing a shot image, a final result is real and accurate.
Description
Technical field
The present invention relates to electrical network detection technique field, more particularly to a kind of detection method of electric power line ice-covering thickness.
Background technology
Affected by landform and weather, China becomes one of powerline ice-covering Chong Zai states in the world.The many areas of China
All once there is powerline ice-covering disaster accident, the conductor galloping caused due to powerline ice-covering, transmission line of electricity broken string,
The frequent generation that shaft tower tilts and collapses with the line accident such as insulator arc-over, has a strong impact on the safe and stable operation of power system.
Find that line accident typically lags behind bad weather to be occurred after a few days, and is transmitted electricity by analyzing powerline ice-covering disaster accident
The heavy icing area of circuit causes monitoring heavy icing area icing situation very difficult greatly all in remote mountain areas.Therefore, very first time grasp
Powerline ice-covering situation, it is significant for prevention powerline ice-covering disaster accident.
At present, the method for detecting ice coating for transmission line of electricity has two kinds, and one kind is to adopt Mechanicai Analysis, i.e., in insulator
Upper installation mechanics sensor, the pulling force born to insulator by mechanics sensor is monitored, and then reflects transmission line of electricity
The change of weight before and after icing, last staff calculates the current ice covering thickness of transmission line of electricity by model.It is another kind of more straight
What is seen is image analytical method, i.e., camera is installed on shaft tower, and to transmission line of electricity real-time video monitoring is carried out, and staff passes through
The live icing situation of video image observation that live camera shoots.
But, above-mentioned Mechanicai Analysis are monitored by the pulling force that mechanics sensor is born to insulator, but by
Many in the factor that causes powerline ice-covering and correlation of various factors is more complicated, for example wind speed not only can change absolutely
The angle of inclination of edge, and the distribution of the icing of transmission line of electricity can be impacted, therefore insulator tension and line ice coating point
Relation between cloth, pattern etc. can not accurately determine.And pass through that the image analytical method that video monitoring is realized is installed, although Ke Yixian
Field situation is intuitively presented to staff, although can intuitively be presented to staff with field condition, but in severe day
In the case of gas, video frequency pick-up head is also possible to the situation for icing occur, causes the fuzzy of shooting image, affects staff to judge
The accuracy of powerline ice-covering situation, at this time needs staff that clear ice process is carried out to video frequency pick-up head, and remote
Heavy icing area, manual inspection security risk is high, technical requirements are high, high labor intensive and inefficiency.Additionally, both the above side
Method needs staff that in-site installation, maintenance are carried out to mechanics sensor or video frequency pick-up head.
The content of the invention
To overcome problem present in correlation technique, the present invention to provide a kind of detection method of electric power line ice-covering thickness.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of detection method of electric power line ice-covering thickness that the present invention is provided is comprised the following steps：Receive unmanned plane to shoot
Transmission line of electricity image；According to infrared image and the characteristics of image of visible images, the classification of image type is carried out to image；
According to the image type of image, Edge Gradient Feature is carried out to image；According to the image type of image, leading in image is recognized
Line；Obtain pixel number shared by the wire image diameter in image；According to image resolution ratio, wire actual diameter and wire figure
The pixel number as shared by diameter, calculates pixel actual diameter；Obtain pixel shared by the ice coating wire image diameter in image
Point number；The pixel number according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter, calculating is covered
Ice thickness；Query image database, and according to image type and ice covering thickness, judge the accuracy of ice covering thickness.
Preferably, the classification of image type is carried out to image, including：It is special according to the image of infrared image and visible images
Levy, the classification of image type is carried out to image, obtain the first image type of image；Standard IR in contrast images database
Image and standard visible images, to image the classification of image type is carried out, and obtains the second image type of image；When the first figure
When picture type is identical with the second image type, the image type of image is determined.
Preferably, query image database, and according to image type and ice covering thickness, judge the accuracy of ice covering thickness,
Including：Query image database, and obtain standard picture corresponding with ice covering thickness；Image is contrasted with standard picture；
When pixel number deviation shared by wire is less than 10% in image and standard picture, ice covering thickness is correct.
Preferably, the pixel number according to shared by image resolution ratio, wire actual diameter and wire image diameter, calculates picture
Vegetarian refreshments actual diameter includes：Obtain the image resolution ratio of image；It is straight according to image resolution ratio, wire actual diameter and wire image
Pixel number shared by footpath, calculates pixel actual diameter.
Preferably, the pixel according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter
Number, calculates ice covering thickness, including：The wire effective unit length that receive user sends；According to image resolution ratio, pixel reality
Diameter and wire effective unit length, calculate the corresponding wire image as unit length of wire effective unit length；According to wire reality
Border diameter, pixel actual diameter and pixel number shared by ice coating wire image diameter, calculate in wire image as unit length
Unit ice covering thickness；According to unit ice covering thickness, the method using averaging, ice covering thickness is calculated.
Preferably, the detection method of electric power line ice-covering thickness also includes：Obtain user send comprising image resolution ratio
With the input instruction of wire actual diameter；According to input instruction, the image resolution ratio preserved in more new memory and wire reality
Diameter.
Preferably, the detection method of electric power line ice-covering thickness also includes：Ice covering thickness to calculating is corrected, and obtains
To correction ice covering thickness.
Preferably, the detection method of electric power line ice-covering thickness also includes：Query image database, and according to image type
And ice covering thickness, judge the warning level of ice covering thickness；According to warning level, early warning signal is sent.
Preferably, the ice covering thickness to calculating is corrected, and obtains correcting ice covering thickness, including：Obtain same pixel
The multiple images of the same section lead shot under resolution ratio；The multiple images for calculating same section lead respectively corresponding multiple are covered
Ice thickness；Correction ice covering thickness is calculated, the mean value that ice covering thickness is multiple ice covering thickness is corrected.
Preferably, the ice covering thickness to calculating is corrected, and obtains correcting ice covering thickness, including：Obtain different pixels
The multiple images of the same section lead shot under resolution ratio；The multiple images for calculating same section lead respectively corresponding multiple are covered
Ice thickness；Correction ice covering thickness is calculated, the mean value that ice covering thickness is multiple ice covering thickness is corrected.
A kind of detection method of electric power line ice-covering thickness that the present invention is provided, comprises the following steps, and receives unmanned plane and claps
The image of the transmission line of electricity taken the photograph；According to infrared image and the characteristics of image of visible images, image type is carried out to image and is divided
Class；According to the image type of image, Edge Gradient Feature is carried out to image；According to the image type of image, in identification image
Wire；Obtain pixel number shared by the wire image diameter in image；According to image resolution ratio, wire actual diameter and wire
Pixel number shared by image diameter, calculates pixel actual diameter；Obtain the ice coating wire image diameter institute in infrared image
Account for pixel number；The pixel number according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter,
Calculate ice covering thickness；Query image database, and according to image type and ice covering thickness, judge the accuracy of ice covering thickness.Adopt
The icing situation of transmission line of electricity is detected in aforementioned manners, is taken the photograph compared to the Mechanicai Analysis using mechanics sensor and using video
As the image analytical method of head, in-site installation, maintenance and guarantor are carried out to mechanics sensor or video frequency pick-up head without staff is needed
Support, and the external interference factor being subject to is less, and the detection method of the electric power line ice-covering thickness provided using the present invention is to institute
The infrared image or visible images of shooting is processed, final result true and accurate.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The present invention can be limited.
Description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the enforcement for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of schematic flow sheet of the detection method of electric power line ice-covering thickness provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of the detection means of electric power line ice-covering thickness provided in an embodiment of the present invention；
Fig. 3 is the structural representation of the detection means of another kind of electric power line ice-covering thickness provided in an embodiment of the present invention.
In above-mentioned Fig. 2-Fig. 3：1- image collection modules, 2- image classification modules, 3- picture edge characteristic extraction modules, 4-
Image conductor identification module, 5- image resolution ratio computing modules, 6- ice covering thickness computing modules, 7- view data library inquiry moulds
Block, 8- ice covering thickness accuracy judge modules, 9- ice covering thickness correction modules, 10- image comparison modules, 11- ice covering thickness are pre-
Alert module.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects described in detail in claims, the present invention.
Referring to Fig. 1, Fig. 1 is that a kind of flow process of the detection method of electric power line ice-covering thickness provided in an embodiment of the present invention is shown
It is intended to, Fig. 2 is a kind of structural representation of the detection means of electric power line ice-covering thickness provided in an embodiment of the present invention, and Fig. 3 is
The structural representation of the detection means of another kind of electric power line ice-covering thickness provided in an embodiment of the present invention.For transmission line of electricity covers
The embodiment of the detection method of ice thickness may refer to following embodiment：
Embodiment one
As depicted in figs. 1 and 2, the detection method of a kind of electric power line ice-covering thickness provided in an embodiment of the present invention, including
Following steps：
S110：Receive unmanned plane shoot transmission line of electricity image, by remotely pilotless machine and carry unmanned plane it is infrared
Or Visible Light Camera, the infrared image or visible images of transmission line wire to be measured are shot, obtained by image collection module 1
Take infrared image or visible images.
S120：According to infrared image and the characteristics of image of visible images, the classification of image type, S11O are carried out to image
In image obtained by image collection module 1 reach image classification module 2, image classification module 2 is according to infrared image and visible ray
The features such as imaging characteristicses and exposure rate of image, resolution image type is infrared image or visible images.
S130：According to the image type of image, Edge Gradient Feature is carried out to image, by image classification module 2 in S12O
Sorted image reaches picture edge characteristic extraction module 3, and picture edge characteristic extraction module 3 is right respectively according to image type
Visible images or infrared image carry out Edge Gradient Feature.
S140：According to the image type of image, the wire in image is recognized, it is sorted by image classification module 2 in S12O
Image reach image conductor identification module 4, the wire in infrared image is identified through image conductor identification module 4.
S150：Pixel number shared by the wire image diameter in image is obtained, picture edge characteristic extraction module 3 is obtained
Pixel number n shared by wire image diameter in image.
S160：The pixel number according to shared by image resolution ratio, wire actual diameter and wire image diameter, calculates pixel
Point actual diameter, pixel number n shared by the wire image diameter in wire and acquisition image in the image for identifying, reaches
Image resolution ratio computing module 5, image resolution ratio computing module 5 by known image resolution ratio, wire actual diameter D and
Pixel number n shared by the wire image diameter obtained in S150, so that it may calculate pixel actual diameter d=D/n.
S170：Obtain pixel number shared by the ice coating wire image diameter in image, picture edge characteristic extraction module 3
Ice coating wire in image is identified initially with the method for rim detection, then the ice coating wire image diameter in detection image
Shared pixel number m.
S180：The pixel number according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter,
Calculate ice covering thickness, wire actual diameter D, pixel actual diameter that ice covering thickness computing module 6 is transmitted by S110-S170
D and pixel number m shared by ice coating wire image diameter, it is possible to calculate ice covering thickness δ=(md-D)/2.
S190：Query image database, and according to image type and ice covering thickness, judge the accuracy of ice covering thickness, cover
Ice covering thickness δ is reached image data base enquiry module 7 by ice thickness computing module 6, right with ice covering thickness δ institutes in image data base
The standard picture answered contrasts to determine the accuracy of ice covering thickness δ.
Embodiment two
As shown in figure 3, the detection means of another kind of electric power line ice-covering thickness provided in an embodiment of the present invention, its is corresponding
The detection method of another kind of electric power line ice-covering thickness is comprised the following steps：
S110：Receive unmanned plane shoot transmission line of electricity image, by remotely pilotless machine and carry unmanned plane it is infrared
Or Visible Light Camera, the infrared image or visible images of transmission line wire to be measured are shot, obtained by image collection module 1
Take infrared image or visible images.
S120：According to infrared image and the characteristics of image of visible images, the classification of image type, S11O are carried out to image
In image obtained by image collection module 1 reach image classification module 2, image classification module 2 is according to infrared image and visible ray
The features such as imaging characteristicses and exposure rate of image, resolution image type is infrared image or visible images.
S130：According to the image type of image, Edge Gradient Feature is carried out to image, by image classification module 2 in S12O
Sorted image reaches picture edge characteristic extraction module 3, and picture edge characteristic extraction module 3 is right respectively according to image type
Visible images or infrared image carry out Edge Gradient Feature.
S140：According to the image type of image, the wire in image is recognized, it is sorted by image classification module 2 in S12O
Image reach image conductor identification module 4, the wire in infrared image is identified through image conductor identification module 4.
S150：Pixel number shared by the wire image diameter in image is obtained, picture edge characteristic extraction module 3 is obtained
Pixel number n shared by wire image diameter in image.
After execution step S160, need to perform following steps.
Obtain the input instruction comprising image resolution ratio and wire actual diameter that user sends；According to input instruction, more
The image resolution ratio preserved in new memory and wire actual diameter.
S160：The pixel number according to shared by image resolution ratio, wire actual diameter and wire image diameter, calculates pixel
Point actual diameter, pixel number n shared by the wire image diameter in wire and acquisition image in the image for identifying, reaches
Image resolution ratio computing module 5, image resolution ratio computing module 5 by known image resolution ratio, wire actual diameter D and
Pixel number n shared by the wire image diameter obtained in S150, so that it may calculate pixel actual diameter d=D/n.
S170：Obtain pixel number shared by the ice coating wire image diameter in image, picture edge characteristic extraction module 3
Ice coating wire in image is identified initially with the method for rim detection, then the ice coating wire image diameter in detection image
Shared pixel number m.
S180：The pixel number according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter,
Calculate ice covering thickness, wire actual diameter D, pixel actual diameter that ice covering thickness computing module 6 is transmitted by S110-S170
D and pixel number m shared by ice coating wire image diameter, it is possible to calculate ice covering thickness δ=(md-D)/2.
In addition, to improve the accuracy that ice covering thickness is calculated, S180 is comprised the following steps：
S181：The wire effective unit length that receive user sends.
S182：According to image resolution ratio, pixel actual diameter and wire effective unit length, wire effective unit is calculated
The corresponding wire image as unit length of length.
S183：The pixel number according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter,
Calculate the unit ice covering thickness in wire image as unit length.
S184：According to unit ice covering thickness, the method using averaging, ice covering thickness is calculated.
It is further comprising the steps of after step S180 in order to further improve the accuracy of ice covering thickness calculating.
Ice covering thickness to calculating is corrected, and obtains correcting ice covering thickness.By ice covering thickness computing module 6 in S180
Calculated ice covering thickness reaches ice covering thickness correction module 9, and it is corrected by ice covering thickness correction module 9.
When the unmanned plane camera using identical image resolution ratio, including step：Obtain and shot under same pixel resolution ratio
Same section lead multiple images；The corresponding multiple ice covering thickness of multiple infrared images of same section lead are calculated respectively；
Correction ice covering thickness is calculated, the mean value that ice covering thickness is multiple ice covering thickness is corrected.
To improve the accuracy of correction, when the unmanned plane camera using different images resolution ratio, step can also be included：
Obtain the multiple images of the same section lead shot under different pixels resolution ratio；The multiple infrared of same section lead is calculated respectively
The corresponding multiple ice covering thickness of image；Correction ice covering thickness is calculated, correction ice covering thickness is the average of multiple ice covering thickness
Value.
Judgement to make image type has more accuracy, increases image comparison module 10, then, before S190 is performed, directly
Connect execution following steps：
According to infrared image and the characteristics of image of visible images, the classification of image type is carried out to image, obtain image
The first image type；Standard IR image and standard visible images in contrast images database, to image image is carried out
The classification of type, obtains the second image type of image；When the first image type is identical with the second image type, image is determined
Image type.
S190：Query image database, and according to image type and ice covering thickness, judge the accuracy of ice covering thickness, cover
Ice covering thickness δ is reached image data base enquiry module 7 by ice thickness computing module 6, right with ice covering thickness δ institutes in image data base
The standard picture answered contrasts to determine the accuracy of ice covering thickness δ.
Specifically, S190 is comprised the following steps：
S191：Query image database, and obtain standard picture corresponding with ice covering thickness.
S192：Image is contrasted with standard picture.
S193：When pixel number deviation shared by wire is less than 10% in image and standard picture, ice covering thickness is correct.
To remind the current warning level of user, ice covering thickness warning module 11 is set up, it can send out according to different warning levels
Go out different alarm sounds to point out user, it is then, further comprising the steps of after step S190.
Query image database, and according to image type and ice covering thickness, judge the warning level of ice covering thickness；According to pre-
Alert rank, sends early warning signal.
Those skilled in the art will readily occur to its of the present invention after considering specification and putting into practice disclosure of the invention here
Its embodiment.The application is intended to any modification of the present invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including the undocumented common knowledge in the art of the present 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.
It should be appreciated that the precision architecture for being described above and being shown in the drawings is the invention is not limited in, and
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a kind of detection method of electric power line ice-covering thickness, it is characterised in that the detection method bag of electric power line ice-covering thickness
Include following steps：
Receive the image of the transmission line of electricity that unmanned plane shoots；
According to infrared image and the characteristics of image of visible images, the classification of image type is carried out to image；
According to the image type of image, Edge Gradient Feature is carried out to image；
According to the image type of image, the wire in image is recognized；
Obtain pixel number shared by the wire image diameter in image；
The pixel number according to shared by image resolution ratio, wire actual diameter and wire image diameter, calculates pixel actual straight
Footpath；
Obtain pixel number shared by the ice coating wire image diameter in image；
The pixel number according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter, calculates icing
Thickness；
Query image database, and according to image type and ice covering thickness, judge the accuracy of ice covering thickness.
2. the detection method of electric power line ice-covering thickness according to claim 1, it is characterised in that image type is carried out to image
Classification, including：
According to infrared image and the characteristics of image of visible images, the classification of image type is carried out to image, obtain the of image
One image type；
Standard IR image and standard visible images in contrast images database, to image the classification of image type is carried out,
Obtain the second image type of image；
When the first image type is identical with the second image type, the image type of image is determined.
3. the detection method of electric power line ice-covering thickness according to claim 1, it is characterised in that query image database, and
According to image type and ice covering thickness, the accuracy of ice covering thickness is judged, including：
Query image database, and obtain standard picture corresponding with ice covering thickness；
Image is contrasted with standard picture；
When pixel number deviation shared by wire is less than 10% in image and standard picture, ice covering thickness is correct.
4. the detection method of electric power line ice-covering thickness according to claim 1, it is characterised in that according to image resolution ratio, lead
Line actual diameter and pixel number shared by wire image diameter, calculating pixel actual diameter includes：
Obtain the image resolution ratio of image；
The pixel number according to shared by image resolution ratio, wire actual diameter and wire image diameter, calculates pixel actual straight
Footpath.
5. the detection method of electric power line ice-covering thickness according to claim 1, it is characterised in that according to wire actual diameter,
Pixel actual diameter and pixel number shared by ice coating wire image diameter, calculate ice covering thickness, including：
The wire effective unit length that receive user sends；
According to image resolution ratio, pixel actual diameter and wire effective unit length, wire effective unit length correspondence is calculated
Wire image as unit length；
The pixel number according to shared by wire actual diameter, pixel actual diameter and ice coating wire image diameter, calculates wire
Unit ice covering thickness in image as unit length；
According to unit ice covering thickness, the method using averaging, ice covering thickness is calculated.
6. the detection method of electric power line ice-covering thickness according to claim 1, it is characterised in that electric power line ice-covering thickness
Detection method also includes：
Obtain the input instruction comprising image resolution ratio and wire actual diameter that user sends；
According to input instruction, the image resolution ratio preserved in more new memory and wire actual diameter.
7. the detection method of electric power line ice-covering thickness according to claim 1, it is characterised in that electric power line ice-covering thickness
Detection method also includes：
Ice covering thickness to calculating is corrected, and obtains correcting ice covering thickness.
8. the detection method of electric power line ice-covering thickness according to claim 1, it is characterised in that electric power line ice-covering thickness
Detection method also includes：
Query image database, and according to image type and ice covering thickness, judge the warning level of ice covering thickness；
According to warning level, early warning signal is sent.
9. the detection method of electric power line ice-covering thickness according to claim 7, it is characterised in that to the ice covering thickness for calculating
It is corrected, obtains correcting ice covering thickness, including：
Obtain the multiple images of the same section lead shot under same pixel resolution ratio；
The corresponding multiple ice covering thickness of multiple images of same section lead are calculated respectively；
Correction ice covering thickness is calculated, the mean value that ice covering thickness is multiple ice covering thickness is corrected.
10. the detection method of electric power line ice-covering thickness according to claim 7, it is characterised in that the icing to calculating is thick
Degree is corrected, and obtains correcting ice covering thickness, including：
Obtain the multiple images of the same section lead shot under different pixels resolution ratio；
The corresponding multiple ice covering thickness of multiple images of same section lead are calculated respectively；
Correction ice covering thickness is calculated, the mean value that ice covering thickness is multiple ice covering thickness is corrected.
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| CN108645347A (en) * | 2018-06-19 | 2018-10-12 | 贵州电网有限责任公司 | A kind of electric power line ice-covering thickness measuring device and its application method |
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| CN109297419A (en) * | 2018-11-13 | 2019-02-01 | 天津送变电工程有限公司 | It is a kind of based on the unmanned plane of image processing techniques in ice detection system and its working method |
| CN110211342A (en) * | 2019-05-31 | 2019-09-06 | 云南电网有限责任公司电力科学研究院 | A kind of monitoring warning device and method of ultra-high-tension power transmission line ice covering thickness |
| CN110472477A (en) * | 2019-06-25 | 2019-11-19 | 中国南方电网有限责任公司超高压输电公司昆明局 | It is a kind of to monitor icing method using RTK editions UAV flight's infrared cameras |
| CN111174697A (en) * | 2019-12-13 | 2020-05-19 | 中国南方电网有限责任公司超高压输电公司柳州局 | Stereoscopic vision image accurate measurement method based on unmanned aerial vehicle |
| CN110954000A (en) * | 2019-12-18 | 2020-04-03 | 上海工程技术大学 | Method for measuring height of frost layer on cold surface |
| CN113639645A (en) * | 2021-08-27 | 2021-11-12 | 国网四川省电力公司成都供电公司 | Method, device, equipment and medium for measuring wire diameter of ground wire |
| CN114087998A (en) * | 2021-11-25 | 2022-02-25 | 重庆海浦洛自动化科技有限公司 | Online film thickness detection system for cavity wax injection system |
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