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Issue No.08 - August (1998 vol.20)
pp: 845-851
ABSTRACT
<p><b>Abstract</b>—This paper presents a novel statistical approach for detecting breakpoints from chain encoded digital arcs. An arc point is declared as a breakpoint if the estimated orientations of the two fitted lines of the two arc segments immediately to the right and left of the arc point are significantly statistically different. The major contributions of this research include developing a method for analytically estimating the covariance matrix of the fitted line parameters and proposing a perturbation model to characterize the perturbation associated with each arc point.</p>
INDEX TERMS
Corner detection, arc segmentation, error propagation.
CITATION
Qiang Ji, Robert M. Haralick, "Breakpoint Detection Using Covariance Propagation", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.20, no. 8, pp. 845-851, August 1998, doi:10.1109/34.709604
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