Shape circularity measure method based on radial moments

Bin Xiao; Guoyin Wang

doi:10.1117/1.JEI.22.3.033022

30 August 2013 Shape circularity measure method based on radial moments

Bin Xiao, Guoyin Wang

Author Affiliations +

Journal of Electronic Imaging, Vol. 22, Issue 3, 033022 (August 2013). https://doi.org/10.1117/1.JEI.22.3.033022

Abstract

The classical circularity measure that considers the relationship between the shape area and the shape perimeter is sensitive to noise and limited for shapes with boundary defects (which lead to a large increase in perimeter). We propose a recent and generic method for shape circularity measure. The proposed method derives from radial moments and satisfies the desirable properties of circularity measures. Compared with the classical circularity measure and Hu moment invariants based method, the new measure is robust to noise and performs better in the case of shapes with boundary defects. Experimental results also show the superiority of the proposed method.

Citation Download Citation

Bin Xiao and Guoyin Wang "Shape circularity measure method based on radial moments," Journal of Electronic Imaging 22(3), 033022 (30 August 2013). https://doi.org/10.1117/1.JEI.22.3.033022

Published: 30 August 2013

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