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《Laser Technology》 2013-03
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Application of Hilbert transform in reconstruction of in-line digital holography

HOU Rui-ning(College of Science,Shaanxi University of Science & Technology,Xi' an 710021,China)  
In order to overcome the shortcomings of the two-step phase-shift digital holography,i.e.,the need to record multiple images and the phase shift error between actual phase shift and theoretical phase shift,a new method was presented to reconstruct the real image based on a single in-line hologram.The method uses characteristics of the Hilbert transform which can achieve digital phase shift and filter the direct-current(DC)component at the same time,Hilbert transform was used twice to the recorded hologram,no DC component holograms with π/2 phase-shift and without phase shift were obtained in turn,and then the two-step phase-shift digital holography method was used to reconstruct the real image.The feasibility of the method was verified through experiments.The experiment results show that the method can well restructure the original image of the object.
【CateGory Index】: O438.1
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Gong Qiong1 Qin Yi21 College of Physics and Electronic Engineering,Nanyang Normal University,Nanyang,Henan 473000,China2Department of Optoelectronic Engineering,Jinan University,Guangzhou,Guangdong 510632,China;Extraction of Real Phase-Shifting Angle in Two-Step Phase-Shifting Digital Holography[J];Chinese Journal of Lasers;2010-07
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 Wang Luyang Da Feipeng(School of Automation,Southeast University,Nanjing,Jiangsu 210096,China);Three-Dimensional Shape Measurement Technique Based on Complementary Color-Encoded Fringe Projection[J];Acta Optica Sinica;2011-06
【Secondary Citations】
Chinese Journal Full-text Database 6 Hits
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5 Zhang Li 1,Guo Chengshan 1,2 , Rong Zhenyu 1, Ren Xi uyun 1 ,Liu Xuan 1,Wang Huitian 2 1 Department of Physics, Shandong Normal University, Jinan 250014 2 National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093;Phase-shifting Angle Choice and Phase-shifting Error Elimination in In-line Phase-shifting Digital Holography[J];Acta Photonica Sinica;2004-03
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