期刊
APPLIED OPTICS
卷 51, 期 24, 页码 5834-5844出版社
OPTICAL SOC AMER
DOI: 10.1364/AO.51.005834
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资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Korean government (MEST) [2011-0023457]
- National Research Foundation of Korea [2011-0023457] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Three-dimensional optical tomography techniques were developed to reconstruct three-dimensional objects using a set of two-dimensional projection images. Five basis functions, such as cubic B-spline, o-Moms, keys, and cosine functions and Gaussian basis functions, were used to calculate the weighting coefficients for a projection matrix. Two different forms of a multiplicative algebraic reconstruction technique were also used to solve inverse problems. The reconstruction algorithm was examined by using several phantoms, which included droplet behaviors and random distributions of particles in a volume. The three-dimensional volume comprised of particles was reconstructed from four projection angles, which were positioned at an offset angle of 45 degrees between each other. Then, three-dimensional velocity fields were obtained from the reconstructed particle volume by three-dimensional cross correlation. The velocity field of the synthetic vortex flow was reconstructed to analyze the three-dimensional tomography algorithm. (c) 2012 Optical Society of America
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