30 August 2013 Shape circularity measure method based on radial moments
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J. of Electronic Imaging, 22(3), 033022 (2013). doi: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.
© 2013 SPIE and IS&T
Bin Xiao, Guoyin Wang, "Shape circularity measure method based on radial moments," Journal of Electronic Imaging 22(3), 033022 (30 August 2013). http://dx.doi.org/10.1117/1.JEI.22.3.033022
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KEYWORDS
Shape analysis

Image resolution

Superposition

Computer vision technology

Machine vision

Telecommunications

Transform theory

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