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

  • Jingzhi Huang*
  • , Huixin Zheng
  • , Lin Jiang
  • , Xiangzhang Chao
  • , Xiangshuai Ding
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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.

Original languageEnglish
Title of host publicationTenth International Symposium on Precision Engineering Measurements and Instrumentation
EditorsJie Lin, Jiubin Tan
PublisherSPIE
ISBN (Electronic)9781510627819
DOIs
StatePublished - 2019
Event10th International Symposium on Precision Engineering Measurements and Instrumentation, ISPEMI 2018 - Kunming, China
Duration: 8 Aug 201810 Aug 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11053
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference10th International Symposium on Precision Engineering Measurements and Instrumentation, ISPEMI 2018
Country/TerritoryChina
CityKunming
Period8/08/1810/08/18

Keywords

  • Boundary effect
  • Even function
  • Gaussian filter
  • Non-closed circular profile
  • Odd function

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