A porcelain insulator state identification method and system

Abstract

This invention relates to the field of pattern recognition technology, specifically to a method and system for identifying the state of porcelain insulators. The method includes the following steps: collecting pixel features from the surface of the porcelain insulator, screening and establishing a bright coordinate sequence, extracting a set of stripe center points, linearly fitting the horizontal and vertical coordinates to generate an ideal projection reference, comparing the deviation span with the damage boundary, locating surface defects, and obtaining the identification result. In this invention, by screening pixel features according to a set boundary to establish a bright coordinate sequence, integrating the sequence to extract a set of stripe center point coordinates, performing linear fitting on the horizontal and vertical coordinates of the center points to generate an ideal stripe projection reference, comparing the deviation span of each coordinate from the reference, and filtering out two-dimensional row and column coordinates exceeding the judgment limit, the comparison mechanism of directly constructing an ideal projection reference from the bright feature structure of the porcelain insulator effectively avoids external background interference and the drawbacks of overall texture averaging, enhancing the sensitivity of porcelain insulator state identification and achieving accurate location of the actual distribution of surface defects.

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