一种并行加速改进的快速相位解包裹算法

TP391%TN29; 针对Miguel等人提出的质量图引导相位解包裹算法中串行运算效率较低的缺点,构造了一种多个低可靠度区块并行合并的改进算法.在满足原始算法设计思想的前提下,对解包裹路径进行重新定义,并根据原始算法的解包裹路径非连续的特性,构建了一种低可靠度区块乱序合并的策略,使得多个低可靠度区块的合并任务可以同时进行.改进算法采用多线程软件架构,主线程负责循环遍历未处理的区块,子线程接收待处理的区块执行合并任务.实验结果表明,改进方法与原始算法的处理结果完全一致,而并行改进策略可有效利用计算机多核资源,使得相位解包裹算法的运行效率提高了50%以上....

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Published in光电工程 Vol. 47; no. 12; pp. 83 - 90
Main Authors 龙潇, 鲍华, 饶长辉, 高国庆, 周璐春
Format Journal Article
LanguageChinese
Published 中国科学院自适应光学重点实验室,四川成都 610209 15.12.2020
中国科学院光电技术研究所,四川成都 610209
中国科学院大学,北京 100049%中国科学院自适应光学重点实验室,四川成都 610209
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ISSN1003-501X
DOI10.12086/oee.2020.200111

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Abstract TP391%TN29; 针对Miguel等人提出的质量图引导相位解包裹算法中串行运算效率较低的缺点,构造了一种多个低可靠度区块并行合并的改进算法.在满足原始算法设计思想的前提下,对解包裹路径进行重新定义,并根据原始算法的解包裹路径非连续的特性,构建了一种低可靠度区块乱序合并的策略,使得多个低可靠度区块的合并任务可以同时进行.改进算法采用多线程软件架构,主线程负责循环遍历未处理的区块,子线程接收待处理的区块执行合并任务.实验结果表明,改进方法与原始算法的处理结果完全一致,而并行改进策略可有效利用计算机多核资源,使得相位解包裹算法的运行效率提高了50%以上.
AbstractList TP391%TN29; 针对Miguel等人提出的质量图引导相位解包裹算法中串行运算效率较低的缺点,构造了一种多个低可靠度区块并行合并的改进算法.在满足原始算法设计思想的前提下,对解包裹路径进行重新定义,并根据原始算法的解包裹路径非连续的特性,构建了一种低可靠度区块乱序合并的策略,使得多个低可靠度区块的合并任务可以同时进行.改进算法采用多线程软件架构,主线程负责循环遍历未处理的区块,子线程接收待处理的区块执行合并任务.实验结果表明,改进方法与原始算法的处理结果完全一致,而并行改进策略可有效利用计算机多核资源,使得相位解包裹算法的运行效率提高了50%以上.
Author 高国庆
鲍华
饶长辉
龙潇
周璐春
AuthorAffiliation 中国科学院自适应光学重点实验室,四川成都 610209;中国科学院光电技术研究所,四川成都 610209;中国科学院大学,北京 100049%中国科学院自适应光学重点实验室,四川成都 610209;中国科学院光电技术研究所,四川成都 610209
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Author_FL Bao Hua
Gao Guoqing
Zhou Luchun
Long Xiao
Rao Changhui
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Keywords 相位解包裹
路径相关
相位测量
并行计算
质量引导
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Publisher 中国科学院自适应光学重点实验室,四川成都 610209
中国科学院光电技术研究所,四川成都 610209
中国科学院大学,北京 100049%中国科学院自适应光学重点实验室,四川成都 610209
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Snippet TP391%TN29; 针对Miguel等人提出的质量图引导相位解包裹算法中串行运算效率较低的缺点,构造了一种多个低可靠度区块并行合并的改进算法.在满足原始算法设计思想的前提下,对...
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