Parallel algorithm of phase unwrapping based on GPU

被引：0

作者：

Mao Feilong ^{[1
]}

Jiao Yiwen ^{[1
]}

Ma Hong ^{[1
]}

Zhang Yuxiang ^{[2
]}

Nie Xinlin ^{[3
]}

Gao Zefu ^{[1
]}

机构：

[1] Space Engn Univ, Dept Elect & Opt Engn, Beijing 101416, Peoples R China

[2] Natl Univ Def Technol, Sch Elect Sci, Changsha 710072, Peoples R China

[3] First Hosp Jilin Univ, Changchun 130000, Peoples R China

来源：

CHINESE SPACE SCIENCE AND TECHNOLOGY | 2023年 / 43卷 / 05期

关键词：

phase unwrapping; GPU; parallel algorithm; real-time processing; acceleration ratio;

D O I：

10.16708/j.cnki.1000-758X.2023.0076

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Aiming at the problem of poor real-time performance of serial phase unwrapping algorithms for large amounts of data, a parallel algorithm of phase unwrapping based on GPU was designed. Firstly, the feasibility of typical serial unwrapping algorithm on GPU was analyzed, and then an unwrapping algorithm suitable for GPU parallel acceleration was designed. Finally, the parallel algorithm of phase unwrapping based on GPU was simulated and verified, and the test results show that:on the basis of ensuring the correctness of unwrapping, the parallel algorithm of phase unwrapping based on GPU is better than the traditional CPU serial unwrapping algorithm, and the acceleration ratio is about 3. 5. The acceleration ratio of the parallel algorithm of phase unwrapping based on GPU is about 63 times compared with the serial algorithm of phase unwrapping based on GPU.

引用

页码：119 / 131

页数：13

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