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24 August 2009 Research on sub-pixel edge detection algorithm of revolving body
Min Wang, Deyi Xu, Yuwan Cen, Xiaoliu Yu, Xiaofang Hu
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Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 737529 (2009) https://doi.org/10.1117/12.839209
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China
Abstract
The keys to realize the on-line measurement of revolving body's profile based on the digital image measuring method are the calculation accuracy and speed of the sub-pixel edge detection algorithm. In this paper, several kinds of sub-pixel edge detection algorithms are studied. Based on this study, a new sub-pixel edge detection algorithm named mixed algorithm is developed. The experimental results confirm that the new algorithm is stable and reliable. It can not only advance the calculating speed, but also extend the accuracy of position to better than 0.01pixels.
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Min Wang, Deyi Xu, Yuwan Cen, Xiaoliu Yu, and Xiaofang Hu "Research on sub-pixel edge detection algorithm of revolving body", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 737529 (24 August 2009); https://doi.org/10.1117/12.839209
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KEYWORDS
Edge detection
Detection and tracking algorithms
Algorithm development
Digital imaging
Image processing
Digital filtering
Image filtering
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