Transformer substation casing pipe infrared image locating method based on BRISK

An infrared image and positioning method technology, applied in image analysis, image data processing, instruments, etc., can solve the problems of large computational complexity, high resource occupation, low diagnostic efficiency, etc. The effect of high diagnostic efficiency

Inactive Publication Date: 2014-08-27
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Most of the existing infrared positioning methods for substation bushings are still in their infancy, and the algorithm used has a huge amount of computation and takes up more computing resources. It is difficult to meet the real-time requirements of on-site engineering. In order to improve the efficiency of substation bushing fault diagnosis, it is necessary to Provide a method for infrared image positioning of substation bushings that meets the actual needs of the project
[0005] In the process of realizing the present invention, the inventor found that there are at least some defects in the prior art, such as large amount of calculation, large resource occupation and low diagnosis efficiency.

Method used

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  • Transformer substation casing pipe infrared image locating method based on BRISK
  • Transformer substation casing pipe infrared image locating method based on BRISK
  • Transformer substation casing pipe infrared image locating method based on BRISK

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Embodiment Construction

[0036] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0037] According to an embodiment of the present invention, such as figure 1 and figure 2 As shown, a BRISK-based infrared image positioning method for substation bushings is provided.

[0038] The BRISK-based infrared image positioning method for substation bushings of the present embodiment specifically includes the following steps:

[0039] (1) Pretreatment

[0040] The preprocessing mainly includes: first, the infrared monitoring image of the substation bushing and the infrared template image of the substation bushing are grayscaled, and then the monitoring image and the template image are corroded and then expanded to complete the denoising by using the morp...

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Abstract

The invention discloses a transformer substation casing pipe infrared image locating method based on BRISK. The method includes the steps that pretreatment is conducted on a transformer substation casing pipe infrared image to be measured; based on a pretreatment result of the transformer substation casing pipe infrared image to be measured, matching treatment is conducted; based on the matching treatment result of the transformer substation casing pipe infrared image to be measured, a casing pipe region is located. According to the transformer substation casing pipe infrared image locating method based on the BRISK, the defects that the calculation amount is large, the number of occupied resources is large and diagnosis efficiency is low in the prior art are overcome, and the method has the advantages of being small in calculation amount and the number of occupied resources and high in diagnosis efficiency.

Description

technical field [0001] The invention relates to the technical field of power transmission and transformation equipment running state maintenance, in particular to a BRISK-based infrared image positioning method for substation bushings. Background technique [0002] The substation is the power hub responsible for voltage conversion, power transmission and terminal distribution in the power system. The bushing is an important part of the main equipment of the substation. If there is a defect or failure, it will directly endanger the safe operation of the substation and the reliability of its power supply. Therefore, it is very important to monitor the casing state of the substation to reduce and eliminate casing accidents. At present, infrared thermal image detection technology that can effectively detect thermal information of equipment has been widely used in power systems, and the cause of bushing failure is mostly related to long-term heating. Therefore, in order to quant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00
Inventor 李效珍李群钱卫东叶建亚余杰赵宝瑞纪青春
Owner STATE GRID CORP OF CHINA
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