Power transmission equipment ultraviolet image preprocessing and quantization parameter extraction method

The invention relates to a power transmission equipment ultraviolet image preprocessing and quantization parameter extraction method. The method comprises the following steps: collecting an ultraviolet image output by ultraviolet imaging, carrying out binary transformation on the ultraviolet image, carrying out mathematical morphology filtering, carrying out small region elimination, carrying outmulti-region boundary tracking and extracting quantization parameters. According to the method, the shadow noise and the discharge characteristics can be effectively distinguished, the accuracy of characteristic extraction is improved, the method has the advantages of high resolution, high precision and the like, the discharge intensity of each discharge point can be better quantified, and a basisis provided for further research. 本发明涉及一种输电设备紫外图像预处理及量化参数提取方法，其包括如下步骤：采集紫外成像输出的紫外图像、对紫外图像进行二值变换、进行数学形态学滤波、进行小区域消除、进行多区域边界跟踪和提取量化参数，本发明可以有效区分背影噪音和放电特征，提高特征提取的准确性，又有高分辨率和高精度等的优点，可以较好地量化各放电点的放电强弱，为进一步的研究提供基础。