REARCH ON MULTI-SCALE TRACKING TECHNOLOGY OF INSULATOR

With the rapid development of power transmission system, the emerging unmanned aerial vehicle line-cruising method starts to be applied. In this paper, a tracking algorithm is proposed to realize the multi-scale tracking of insulators, to provide technical support for the intellectualization of unmanned aerial vehicle inspection in the future. In order to improve the spatio-temporal context algorithm can not adapt to the defect of insulator scale changes, inspired by the correlation filtering principle. The method of combining the spatio-temporal context and correlation filtering is proposed, the insulator tracking is regarded as target position estimation and target scale estimation of two independent parts. Finally, it takes tempered glass insulator and ceramic insulator as the goal. The experimental results showed that the improved algorithm can track the insulator accurately and adapt to the change of scale.