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《Optics and Precision Engineering》 2001-06
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Image Processing for the Automatic Positioning System of Pellet Target

XU Jie 1, ZHANG Zhi jiang 2, LU Lin hai 1 (1.Electromechanical Engineering and Automatization Academy of Shanghai University, Shanghai 200072, China; 2.Communication Engineering Department of Shanghai University, Shanghai 200072, China)  
Pellet's position is the key of ICF experiment. The paper introduces an automatic positioning system, and also describes an image processing method which is used to achieve the pellet's automatic positioning. Based on the theory of distance measurement by defocusing, the spotting in two dimension of rotation and pitch, and one dimension of translating by using the improved focusing evaluation function which is the combination of variance and Brenner have been realized, respectively, and the spotting of translating in three dimensions has also been implemented by detecting the mass center.
【Fund】: 上海市教委青年基金资助项目
【CateGory Index】: TP391.4
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