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Design of Gaussian filters based on odd and even functions used for non-closed circular profile
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Paper Abstract

In order to solve boundary effect for non-closed circular profile with conventional Gaussian filter, two modified Gaussian filters based on odd and even functions are put forward. By extending original profile data on the boundary effect area, the sampling information on the boundary effect area of non-closed circular profile can be used fully, and then open-loop Gaussian filter is used for filtering. The validity of two designed filters was tested by numerical simulation and experiment. The results demonstrate that the modified Gaussian filter based on even function is more effective to reduce boundary effect than that based on odd function.

Paper Details

Date Published: 7 March 2019
PDF: 8 pages
Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 110534K (7 March 2019); doi: 10.1117/12.2513586
Show Author Affiliations
Jingzhi Huang, Harbin Institute of Technology (China)
Huixin Zheng, Harbin Institute of Technology (China)
Lin Jiang, Harbin Institute of Technology (China)
Xiangzhang Chao, Harbin Institute of Technology (China)
Xiangshuai Ding, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 11053:
Tenth International Symposium on Precision Engineering Measurements and Instrumentation
Jiubin Tan; Jie Lin, Editor(s)

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