一种基于b样条的快速波前重构算法

Q3 Engineering

光电工程 Pub Date : 2021-02-26 DOI:10.12086/OEE.2021.200160

Chenxiang Hao, Wei Ling, L. Ende, He Yi, Yang Jinsheng, L. XiQi, Fan Xinlong, Yang Zeping, Zhang Yudong

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引用次数: 1

摘要

传统的Shack-Hartmann波前重构方法可分为分区法和模态法。分区方法能很好地重建波前的局部细节，但对坡度数据中的噪声很敏感。模态方法对噪声具有较强的鲁棒性，但恢复波前局部细节的能力有限。本文提出了一种基于b样条的波前快速重建算法，将波前扩展为双变量b样条曲面的线性组合。然后，提出了一种基于逐次过松弛(SOR)算法的波前快速重构方法。实验结果表明，该算法能较好地恢复波前局部细节，且对坡面噪声具有较强的鲁棒性。

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A B-spline based fast wavefront reconstruction algorithm

Traditional schemes for Shack-Hartmann wavefront reconstruction can be classified into zonal and modal methods. The zonal methods are good at reconstructing the local details of the wavefront, but are sensitive to the noise in the slope data. The modal methods are much more robust to the noise, but they have limited capability of recovering the local details of the wavefront. In this paper, a B-spline based fast wavefront reconstruction algorithm in which the wavefront is expanded to the linear combination of bi-variable B-spline curved surfaces is proposed. Then, a method based on successive over relaxation (SOR) algorithm is proposed to fast reconstruct the wavefront. Experimental results show that the proposed algorithm can recover the local details of the wavefront as good as the zonal methods, while is much more robust to the slope noise.

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来源期刊

光电工程 Engineering-Electrical and Electronic Engineering

CiteScore

2.00

自引率

0.00%

发文量

6622

期刊介绍： Founded in 1974, Opto-Electronic Engineering is an academic journal under the supervision of the Chinese Academy of Sciences and co-sponsored by the Institute of Optoelectronic Technology of the Chinese Academy of Sciences (IOTC) and the Optical Society of China (OSC). It is a core journal in Chinese and a core journal in Chinese science and technology, and it is included in domestic and international databases, such as Scopus, CA, CSCD, CNKI, and Wanfang. Opto-Electronic Engineering is a peer-reviewed journal with subject areas including not only the basic disciplines of optics and electricity, but also engineering research and engineering applications. Optoelectronic Engineering mainly publishes scientific research progress, original results and reviews in the field of optoelectronics, and publishes related topics for hot issues and frontier subjects. The main directions of the journal include: - Optical design and optical engineering - Photovoltaic technology and applications - Lasers, optical fibres and communications - Optical materials and photonic devices - Optical Signal Processing