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Issue No. 03 - March (1998 vol. 20)
ISSN: 0162-8828
pp: 351-352
<p><b>Abstract</b>—In an earlier paper, Chen and Yan presented a theorem concerning zero crossings of boundary curvature under morphological openings. In this correspondence, we show by means of a counterexample a problem with this theorem and suggest how the theorem may be modified to make it correct.</p>
Scale-space filtering, mathematical morphology, morphological opening, zero crossings, monotone theorems.

P. T. Jackway, "On the Scale-Space Theorem of Chen and Yan," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 20, no. , pp. 351-352, 1998.
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