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The Support Cone: A Representational Tool for the Analysis of Boundaries and Their Interactions
February 2000 (vol. 22 no. 2)
pp. 174-178

Abstract—We present a directional boundary representation which deals locally and consistently with the boundary's “inside.” We show that collision and wave propagation are reduced to addition on the spectrum of directions and we derive transformation laws for differential geometrical properties such as directed curvature.

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Index Terms:
Boundary representation, orientation-based representation, Gauss map, slope transform, Legendre transform, support function, Huygens wave propagation, collision detection, mathematical morphology.
Leo Dorst, Rein van den Boomgaard, "The Support Cone: A Representational Tool for the Analysis of Boundaries and Their Interactions," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 22, no. 2, pp. 174-178, Feb. 2000, doi:10.1109/34.825755
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