光谱学与光谱分析 |
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Comparative Study on Algorithms for Wave-Front Aberration Reconstruction of Human Eye |
GAO Wei-wei,SHEN Jian-xin, LI Bang-ming, LIANG Chun |
College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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Abstract Zernike mode reconstruction model of human eye wavefront aberrations based on Hartmann-Shack sensor is introduced. Three algorithms, including Gram-Schmidt orthogonal transformation, Householder transformation and singular value decomposition, are deduced and compared with each other. Through simulation by the experimental data, the results suggest that the accuracy of the three methods is equivalent and singular value decomposition is the relatively ideal algorithm of wave-front aberrations of human eyes.
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Received: 2009-12-26
Accepted: 2010-03-28
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Corresponding Authors:
GAO Wei-wei
E-mail: cadatc@nuaa.edu.cn,gww03020234@sina. com引 言
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