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《Physics and Engineering》 2018-05
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LENS IMAGING CLARITY EVALUATION SYSTEM BASED ON IMAGE GRADIENT

CHENG Daqian;FU Wenzhi;CHEN Dongjie;WANG Mubing;CHEN Yan;LI Chaorong;School of Physics and Nuclear Energy Engineering,Beihang University;School of Physics and Nuclear Energy Engineering Physics Experiment Center,Beihang University;  
In the experiments of measuring lens's focal length,the low cost scheme of computer vision is used to replace the human eyes,and the image clarity based on the image gradient is used to overcome the low sensitivity of the human eyes to the clarity,so as to save time and reduce the error.
【CateGory Index】: TP391.41
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