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《Transactions of China Electrotechnical Society》 2008-06
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Histogram Algorithm for Switching Arc’s Image Enhancement in Low Voltage Electrical Apparatus

Wang Zhenzhou1 Liu Jiaomin1 Li Mu2 Meng Junying3 (1. North China Electric Power University Baoding 071003 China 2. Hebei University of Science and Technology Shijiazhuang 050018 China 3. Shijiazhuang College Shijiazhuang 050035 China)  
It’s difficult to find contact from the image photographed by high-speed image sampling system because of the light reflection characteristics of switching arc, contact and interrupter. It do enhancement process to arc image by image enhancement algorithm of histogram and local histogram. In order to find the arc image and on the same time can find contact and the interrupupter’s detail in the arcing process. The simulation result shows that the contact and arc’s relative position can be observed clearly by this method.
【Fund】: 国家自然科学基金资助项目(60675014)
【CateGory Index】: TM52
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