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- W2361456952 abstract "The characteristics of infrared image for the transmission line, hardware and insulator chain in the high-voltage transmission line systems are blurry edge, blunt contrast and isolated points and nub noise in the space field. On the premise of maintaining detailed information of the image edge, by the means of median filter to effectively reduce image's noise with high frequency in the space field, and piecewise linear gray level transformation to intensify the contrast of the image edge, temperature resolving power and space resolving power of the image were improved. Then, by analyzing the restriction effect on noise and the edge location precision of several common edge detection operators like Roberts edge operator, sobel edge operator, Prewitt edge operator, Laplace edge operator and Laplace improved operator, Roberts operator was employed to achieve the image edge profile detection. After that, the clear continuous image edge was obtained by tracking and connecting the distinct edges, namely, the edge feature extraction of the high-voltage transmission line's infrared image was finally accomplished. Through the application of the infrared image of a tensioning dead-end insulator chain, the methods of the image preprocess and the edge detection in this paper is proved to be valid." @default.
- W2361456952 created "2016-06-24" @default.
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- W2361456952 date "2005-01-01" @default.
- W2361456952 modified "2023-09-25" @default.
- W2361456952 title "Infrared image edge detection of high-voltage transmission line" @default.
- W2361456952 hasPublicationYear "2005" @default.
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