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Issue No.04 - April (1998 vol.20)
pp: 391-395
ABSTRACT
<p><b>Abstract</b>—An algorithm that decomposes a line image into singular and regular regions is presented. We define a contour trapezoid as the building block of regular regions, and postulate a Maximal Trapezoid Set as the core of regular regions. Then, we describe an algorithm that calculates a Maximal Trapezoid Set of a polygon and show how to use it to find a skeleton of a polygonal approximation of a contour. Experiments are explained to show the behavior of the new concept on real images as compared to previous algorithms.</p>
INDEX TERMS
Contour trapezoid, maximal trapezoid set, regular region, singular region, skeleton.
CITATION
Jairo Rocha, Rafael Bernardino, "Singularities and Regularities on Line Pictures via Symmetrical Trapezoids", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.20, no. 4, pp. 391-395, April 1998, doi:10.1109/34.677264
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