computer grahics; image processing; simple algorithm for the identification of the inside and the outside of a plane bounded region; multiply connected regions
This paper gives a simple algorithm for the identification of the insidedness and the autsidedness of a plane bounded region. The region can be the union, intersection or difference of an arbitrary number of $k$-tuple connected regions.
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. Computer graphics and Image Processing 4 (1979), 354-393. MR 0395387