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A method for identifying an insulator object of a transmission line

A technology for object recognition and power transmission lines, which is applied in the field of video recognition, can solve the problems that the false recognition rate and missed recognition rate are greatly affected, control the false recognition rate and missed recognition rate, and it is difficult to meet high reliability requirements, etc., to achieve reduction Misrecognition rate, improvement of accuracy and applicability, development of grid intelligence level and promotion effect

Active Publication Date: 2019-02-12
STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +3
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Problems solved by technology

[0004] If the commonly used template matching method is used for detection, it is easily affected by factors such as external light, distance, and angle of the subject. High; if machine learning (such as SVM, neural network) algorithms are used, the collection process of the sample data has a great impact on the false recognition rate and missed recognition rate of recognition. The algorithm controls the false recognition rate and missed recognition rate. Therefore, it is difficult for the existing technology to meet the high reliability requirements in power application scenarios

Method used

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  • A method for identifying an insulator object of a transmission line
  • A method for identifying an insulator object of a transmission line

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Embodiment Construction

[0049] The present invention will be further described below in conjunction with the accompanying drawings.

[0050] Such as figure 1 As shown, a power transmission line insulator object recognition device, including: image preprocessing module, horizontal edge feature extraction module, longitudinal feature edge extraction module, Fourier feature extraction module, parallel line intersection feature extraction module, insulator area judgment module .

[0051] Such as figure 2 As shown, a transmission line insulator object recognition method, this algorithm mainly performs five processing steps on the original image containing insulators: preprocessing and minimum pixel value filtering processing feature screening original image, vertical and horizontal processing of the processed original image Edge feature extraction, forming horizontal edge feature pictures and vertical edge feature pictures, extracting Fourier features based on edge region extraction for new edge featur...

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Abstract

A method for identifying an insulator object of a transmission line, disclosed by the present invention, comprises the steps that firstly, the scene is filtered by a lowest pixel filtering mode, and then the line insulator object is identified by the following algorithms of lateral edge feature extraction, longitudinal feature edge extraction, Laplace feature extraction based on edge region, parallel line crossing feature extraction and so on. According to the actual application scene of the transmission line insulator in shooting, by adopting the technical method of being able to combine a variety of features descriptive algorithms, the accuracy and applicability of detection can be improved furthest, at the same time, according to the actual application process, through the adjustment ofalgorithm parameters, the false recognition rate and leak recognition rate in the process of recognition are reduced.

Description

technical field [0001] The invention relates to a power transmission line insulator object recognition method, which belongs to the technical field of video recognition. Background technique [0002] At present, the use of fixed cameras and line inspection drones to inspect transmission line towers has become an important technical means for transmission line inspections. Whether there are dirt, cracks, ruptures, etc. on the line tower insulators is the inspection of transmission lines An important task, the use of image recognition technology to identify dirt, cracks, ruptures and other phenomena of insulators is currently the main intelligent inspection technology. This technology has greatly solved the huge workload and low work efficiency in the manual inspection process. It is helpful to improve the safety and reliability of power grid operation, and how to use image recognition technology to identify line insulators through images is the basic identification technology...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46
CPCG06V20/10G06V10/44
Inventor 姚楠吴曦蔡越王祥
Owner STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST
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