CN107945193A - A kind of detecting system for being used to detect high-voltage line breakage - Google Patents
A kind of detecting system for being used to detect high-voltage line breakage Download PDFInfo
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- CN107945193A CN107945193A CN201711039109.6A CN201711039109A CN107945193A CN 107945193 A CN107945193 A CN 107945193A CN 201711039109 A CN201711039109 A CN 201711039109A CN 107945193 A CN107945193 A CN 107945193A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/254—Analysis of motion involving subtraction of images
Abstract
The invention discloses a kind of detecting system for being used to detect high-voltage line breakage, including：Image acquisition units, gray proces unit, edge detection unit, calculus of differences unit and binaryzation arithmetic element；Image acquisition units are used to gather image；Gray proces unit connects image acquisition units, and the image for image acquisition units to be gathered carries out gray proces, output gray level image；Edge detection unit connects gray proces unit, for carrying out edge detection to gray level image；Calculus of differences unit, is connected to edge detection unit, and the image for edge detection unit to be exported carries out calculus of differences, output difference image；Binaryzation arithmetic element, connects calculus of differences unit, for difference image to be carried out binaryzation computing, obtains binaryzation difference image.The program can realize that the defects of unmanned damaged to circuit or coat is damaged image is acquired and exports, while improve Detection accuracy.
Description
Technical field
The present invention relates to a kind of detecting system, particularly a kind of detecting system for being used to detect high-voltage line breakage.
Background technology
The popularization of electric appliance make it that people's life is more and more convenient, but as what electric appliance used increases, extra heavy electric appliance
Application so that network load progressively aggravates.
In order to ensure the normal operation of power grid, it is the important measure for concerning national product that electric inspection process, which is one,.At present
The mode of electric inspection process mainly has：1st, manual inspection；2nd, unmanned plane/helicopter routing inspection.Wherein, manual inspection it is affected by environment compared with
Greatly, and inspection result influenced by artificial subjective factor it is also more, meanwhile, manual inspection is dangerous high, and time-consuming for inspection；Nobody
Though machine/helicopter routing inspection exempts the danger of manual inspection, the efficiency of detection is improved, it is mainly concentrated with being walked to power transmission line
The macroscopic view detection of corridor, the local detection for power transmission line are still incomplete.
In practical applications, the breakage of high voltage transmission line can cause the localized hyperthermia of power transmission line, to cause the deterioration of breakage；
High voltage transmission line coat is to prevent corrosion impact of the power transmission line by environment, and the breakage of coat also results in high voltage power transmission
The local deteriorated of line.Either which kind of situation, can all influence the normal work of high voltage transmission line.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided it is a kind of nobody, for high voltage transmission line
The microcosmic detection scheme of local damage, solves the test problems to power transmission line/coat breakage, there is provided one kind is used to detect high pressure
The detecting system of line breakage.
The technical solution adopted by the present invention is as follows：
A kind of detecting system for being used to detect high-voltage line breakage, including：Image acquisition units, gray proces unit, edge
Detection unit, calculus of differences unit and binaryzation arithmetic element；
Described image collecting unit is used to gather image；
The gray proces unit connects described image collecting unit, and the image for described image collecting unit to be gathered carries out
Gray proces, output gray level image；
The edge detection unit connects the gray proces unit, for carrying out edge detection to the gray level image；
The calculus of differences unit, is connected to the edge detection unit, for the image for exporting the edge detection unit
Carry out calculus of differences:, in formula,Represent gray level image,Represent two gray level image difference values；By the computing, so that output difference image；
The binaryzation arithmetic element, connects the calculus of differences unit, for the difference image to be carried out binaryzation computing：, in formula,Represent binary image, T represents to set according to use environment
Threshold value；So as to obtain binaryzation difference image.
Using the above scheme, can collect ultra-high-tension power transmission line exist it is damaged-include that circuit is damaged or coat it is damaged-
In the case of, the binaryzation gray level image of damaged circuit is drawn, so as to fulfill the detection and output to ultra-high-tension power transmission line breakage.
Further, the system also includes：Filter unit, is connected to the gray proces unit and edge detection unit
Between, for being filtered processing to the gray level image, filter out white Gaussian noise.
Using the above scheme, influence of the Gaussian noise to testing result can be effectively reduced, improves Detection accuracy.
Further, the system also includes：Threshold computation unit, is connected to the binaryzation arithmetic element, for
When the binaryzation arithmetic element carries out binary conversion treatment, there is provided binaryzation computing threshold value.
Using the above scheme, it can be achieved that system calculates binaryzation computing threshold value automatically according to actual use situation, so that
The versatility of raising system application, reduces the inaccuracy that manual intervention is brought.
Further, the system also includes：Morphology operations unit, is connected to the binaryzation arithmetic element, is used for
Erosion operation and/or dilation operation are carried out to the binaryzation difference image of binaryzation arithmetic element output, export morphology
Arithmograph picture.
Using the above scheme, the smooth noise of binaryzation difference image can be eliminated, highlights the figure of circuit breakage
Picture.
Further, the system also includes：Feature extraction unit, the feature extraction unit include：It is connected to described
The sharpening module of morphology operations member, and the characteristic extracting module being connected with sharpening module；The sharpening module, for extracting
State the profile of defect image in morphology operations image；The characteristic extracting module, for calculating the defect image profile
Circularity.Features described above extraction module obtains the area S and girth C of the defect image profile, so as to calculate circularity：。
Using the above scheme, it may be determined that the figure of circuit breaking point, then judges Breakage Reasons.
Further, described image collecting unit continuous acquisition two field pictures, the edge detection unit are calculated using sobel
Son or canny operators.
Using the above scheme, the edge extracting to image is realized.
Further, three two field picture of described image collecting unit continuous acquisition；The calculus of differences unit is to two continuous frames
Image carries out calculus of differences, then obtain two difference images are carried out and computing.
Using the above scheme, the accuracy of edge extracting image can be increased, so as to improve the accurate of circuit breaking point detection
Property.
Further, the threshold computation unit calculating binaryzation computing threshold value is：According to defect image and non-defective figure
The average gray value of picture calculates threshold value, wherein, defect image average gray value is：, non-defective image
Average gray value be, wherein,, it is initial threshold；, j
Represent the number of pixels of gray value,Represent the frequency that some gray value occurs；For maximum difference image gray value,Represent minimum differential image intensity value, finally iterate to calculate out threshold value, until T=T0.
Using the above scheme, realize the adaptive iteration computing of the binaryzation computing threshold value to environment is used in combination, can carry
The imaging accuracy of high binaryzation difference image, so as to improve the accuracy to image detection.
Further, processing of the Morphological scale-space unit to the binaryzation difference image be：First carry out corrosion fortune
Calculate, then carry out dilation operation.
Using the above scheme, the smooth noise of binaryzation difference image can be eliminated, highlights the figure of circuit breakage
Picture, exports so as to fulfill to the aimed detection of breaking point.
Further, the system also includes：It is connected to the storage unit of feature extraction unit and image acquisition units；With
In an at least two field picture for storage described image collecting unit collection, the described image that the Characteristic Extraction unit exports is stored
Corresponding defect image and its circularity.
Using the above scheme, it can be achieved that the whole storage to wireline inspection result, so as to the subsequently use to the result.
Further, the system also includes communication unit, storage unit is connected to, for the storage unit to be stored
Inspection result be sent to distal end.
Using the above scheme, the testing result of circuit will be sent to distal end by realizing, so that it is understood to circuit in real time
Detection case, to take corresponding measure in time.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the detection and output to ultra-high-tension power transmission line breakage are realized；
2nd, influence of the Gaussian noise to testing result is effectively reduced, improves Detection accuracy；
3rd, realize that system calculates binaryzation computing threshold value automatically according to actual use situation, so as to improve the general of system application
Property, reduce the inaccuracy that manual intervention is brought；
4th, realize the elimination to the smooth noise of binaryzation difference image, circuit breakage image is highlighted；
5th, according to breaking point circularity, determine the figure of circuit breaking point, then judge Breakage Reasons；
6th, the whole storage to wireline inspection result is realized；
7th, the system is simple and reasonable for structure, versatile.
Brief description of the drawings
Fig. 1 is a kind of one embodiment for the detecting system for being used to detect high-voltage line breakage；
Fig. 2 is a kind of another embodiment for the detecting system for being used to detect high-voltage line breakage；
Fig. 3 is the flow chart of embodiment one；
Fig. 4 is the flow chart of embodiment two.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to the drawings 1 and 3, the present embodiment one discloses a kind of detecting system for being used to detect high-voltage line breakage, bag
Include：Image acquisition units, gray proces unit, edge detection unit, calculus of differences unit and binaryzation arithmetic element；
Described image collecting unit is used to gather image；
The gray proces unit connects described image collecting unit, and the image for described image collecting unit to be gathered carries out
Gray proces, output gray level image；
The edge detection unit connects the gray proces unit, for carrying out edge detection to the gray level image；
The calculus of differences unit, is connected to the edge detection unit, for the image for exporting the edge detection unit
Carry out calculus of differences:, in formula,Represent gray level image,Represent two gray level image difference values；By the computing, so that output difference image；
The binaryzation arithmetic element, connects the calculus of differences unit, for the difference image to be carried out binaryzation computing：, in formula,Represent binary image, T represents to set according to use environment
Threshold value；So as to obtain binaryzation difference image.
Based on embodiment one, the present embodiment two also discloses another detection system for being used to detect high-voltage line breakage
System, the system also includes：Filter unit, is connected between the gray proces unit and edge detection unit, for institute
State gray level image and be filtered processing, filter out white Gaussian noise.
Based on embodiment two, the present embodiment three also discloses another detection system for being used to detect high-voltage line breakage
System：Three two field picture of described image collecting unit continuous acquisition；The calculus of differences unit carries out difference fortune to two continuous frames image
Calculate, then obtain two difference images are carried out and computing.
The system also includes：Threshold computation unit, is connected to the binaryzation arithmetic element, in the binaryzation
When arithmetic element carries out binary conversion treatment, there is provided binaryzation computing threshold value.
The threshold computation unit calculates binaryzation computing threshold value：According to defect image and the average ash of non-defective image
Angle value calculates threshold value, wherein, defect image average gray value is：, the average gray of non-defective image
It is worth and is, wherein,, it is initial threshold；, j
Represent the number of pixels of gray value,Represent the frequency that some gray value occurs；For maximum difference image gray value,Represent minimum differential image intensity value, finally iterate to calculate out threshold value, until T=T0.
Based on embodiment three, referring to the drawings 2 and 4, the present embodiment four discloses another for detecting high-voltage line breakage feelings
The detecting system of condition：Above-mentioned edge detection unit uses sobel operators.
The system also includes：Morphology operations unit, is connected to the binaryzation arithmetic element, for being transported to binaryzation
The binaryzation difference image for calculating unit output first carries out erosion operation, then carries out dilation operation.
The system also includes：Feature extraction unit, the feature extraction unit include：It is connected to the morphology operations
The sharpening module of member, and the characteristic extracting module being connected with sharpening module；The sharpening module, for extracting the form student movement
The profile of defect image in nomogram picture；The characteristic extracting module, for calculating the circularity of the defect image profile.
Based on example IV, the present embodiment five discloses another detecting system for being used to detect high-voltage line breakage：
The system also includes：Communication unit, is connected to storage unit, and the inspection result for the storage unit to be stored is sent to
Distally.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of detecting system for being used to detect high-voltage line breakage, it is characterized in that, the system comprises：Image Acquisition list
Member, gray proces unit, edge detection unit, calculus of differences unit and binaryzation arithmetic element；
Described image collecting unit is used to gather image；
The gray proces unit connects described image collecting unit, and the image for described image collecting unit to be gathered carries out
Gray proces, output gray level image；
The edge detection unit connects the gray proces unit, for carrying out edge detection to the gray level image；
The calculus of differences unit, is connected to the edge detection unit, for the image for exporting the edge detection unit
Carry out calculus of differences:,Represent gray level image,
Represent two gray level image difference values；So as to output difference image；
The binaryzation arithmetic element, connects the calculus of differences unit, for the difference image to be carried out binaryzation computing：,Represent binary image, T represents the threshold set according to use environment
Value；So as to obtain binaryzation difference image.
2. detecting system as claimed in claim 1, it is characterized in that, the system also includes：Filter unit, is connected to the ash
Spend between processing unit and edge detection unit, for being filtered processing to the gray level image, filter out white Gaussian noise.
3. detecting system as claimed in claim 2, it is characterized in that, the system also includes：Threshold computation unit, is connected to institute
Binaryzation arithmetic element is stated, for when the binaryzation arithmetic element carries out binary conversion treatment, there is provided binaryzation computing threshold value.
4. detecting system as claimed in claim 3, it is characterized in that, the system also includes：Morphology operations unit, is connected to
The binaryzation arithmetic element, the binaryzation difference image for being exported to the binaryzation arithmetic element carry out erosion operation
And/or dilation operation, export morphology operations image.
5. detecting system as claimed in claim 4, it is characterized in that, the system also includes：Feature extraction unit, the feature
Extraction unit includes：It is connected to the sharpening module of the morphology operations member, and the characteristic extracting module being connected with sharpening module；
The sharpening module, for extracting the profile of defect image in the morphology operations image；The characteristic extracting module, is used for
Calculate the circularity of the defect image profile.
6. the detecting system as described in right will go 5, it is characterized in that, described image collecting unit continuous acquisition two field pictures, institute
State edge detection unit and use sobel operators or canny operators.
7. detecting system as claimed in claim 6, it is characterized in that, three two field picture of described image collecting unit continuous acquisition；Institute
State calculus of differences unit and carry out calculus of differences to two continuous frames image, then obtain two difference images are carried out and computing.
8. detecting system as claimed in claim 7, it is characterized in that, the threshold computation unit calculates binaryzation computing threshold value
For：Threshold value is calculated according to the average gray value of defect image and non-defective image, wherein, defect image average gray value is：, the average gray value of non-defective image is, wherein,,
For initial threshold；, the number of pixels of j expression gray values,Represent the frequency that some gray value occurs；For maximum difference image gray value,Represent minimum differential image intensity value, finally iterate to calculate out threshold value, until T=T0.
9. detecting system as claimed in claim 8, it is characterized in that, the Morphological scale-space unit is to the binaryzation difference diagram
The processing of picture is：Erosion operation is first carried out, then carries out dilation operation.
10. detecting system as claimed in claim 9, it is characterized in that, the system also includes：Be connected to feature extraction unit and
The storage unit of image acquisition units；For storing an at least two field picture for described image collecting unit collection, the spy is stored
The corresponding defect image of described image and its circularity of sign amount extraction unit output.
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