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Separating Point Sets by Circles, and the Recognition of Digital Disks
April 1986 (vol. 8 no. 4)
pp. 554-556
Steve Fisk, Department of Mathematics, Bowdoin College, Brunswick, ME 04011.
Given two sets A and B of points in the plane, we give a polynomial time algorithm to find the set S of points which are centers of circles that contain all the members of A and none of B. A consequence of the algorithm is that S is polygonal. Another application is an O(N2) time and O(N2) space algorithm for the recognition of digital disks.
Citation:
Steve Fisk, "Separating Point Sets by Circles, and the Recognition of Digital Disks," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 8, no. 4, pp. 554-556, April 1986, doi:10.1109/TPAMI.1986.4767821
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