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Study on image edge detection method for high votage transmission line

SUN Feng-jie,CHU Zheng,FAN Jie-qing(Department of Electrical and Electronics Engineering,North China Electric Power University,Beijing 102206,China)  
Although there are many edge detection methods,the edge detection has always been a research focus in practical application.By studing on two edge detection operators,Sobel and Canny,this paper discusses the edge detection on high voltage transmission line by choosing two images of different weather conditions.It compares the image processed only by edge detection with the one processed with median filter to get the better quality of image.The study lays a foundation for more accurate recognition and monitoring on transmission lines.
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