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최소오차 원 해석을 위한 최적 해상도에 관한 연구

Title
최소오차 원 해석을 위한 최적 해상도에 관한 연구
Other Titles
The Optimal Resolution for Circle Analysis with the Minimum Error
Author
문영식
Keywords
optimal resolution; circle analysis; measurement error; actual error
Issue Date
2000-05
Publisher
한국정밀공학회(Korean Society for Precision Engineering)
Citation
한국정밀공학회지, v. 17, no. 5, page. 55-62
Abstract
In this paper, an algorithm for determining the optimal resolution has been described for measuring the actual length of circular objects. As the resolution gets higher, the measurement error in general becomes smaller because of the reduced distance per pixel. However, the higher resolution makes circular objects enlarged, which may produce an illconditioned system. That is, a small error in the boundary positions may result in a large error in the analysis of the circular objects. Taking this fact into account, a new measure is proposed to determine the optimal resolution. The actual errors have been calculated with various resolutions and the resolution with the minimum error has been decided as the optimal resolution. The analysis using various circles with different sizes indicates that the minimum measurement error is obtained when the whole circle appears in the screen as large as possible, regardless of the size of circle. The experimental results using real images have verified the validity of our analysis
URI
https://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE00844906https://repository.hanyang.ac.kr/handle/20.500.11754/161724
ISSN
1225-9071; 2287-8769
Appears in Collections:
ETC[S] > 연구정보
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