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On the Scale-Space Theorem of Chen and Yan
March 1998 (vol. 20 no. 3)
pp. 351-352

Abstract—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.

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Index Terms:
Scale-space filtering, mathematical morphology, morphological opening, zero crossings, monotone theorems.
Citation:
Paul T. Jackway, "On the Scale-Space Theorem of Chen and Yan," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 20, no. 3, pp. 351-352, March 1998, doi:10.1109/34.667893
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