Research on the application of the edge detection method for the UAVs icing monitoring of transmission lines

Abstract

In view of the ice disaster which may be suffered by the overhead transmission line in the South China, to realize the monitoring of icing of transmission lines using UAVs, it has important significance to research the application of image edge detection method. In this paper, the principle of the three kinds of edge detection methods which are Canny operator, Sobel operator and adaptive weighted Sobel operator are analyzed, and the UAV transmission line icing monitoring image processing were compared using three methods. Experimental results show that the adaptive weighted Sobel operator relative to the other two operators, the result is more close to the ideal value, so it has stronger anti-interference ability, high precision inspection of image edge, greatly improved image edge recognition effect.