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Interval Methods for Processing Geometric Objects
February 1984 (vol. 4 no. 2)
pp. 7-17
S. Mudur, Tata Institute of Fundamental Research
P. Koparkar, University of Bombay
In this approach, the parametric form is applied without the usual computational nightmare. The key is to view the parametric range as an interval, relying on subdivision algorithms.

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S. Mudur, P. Koparkar, "Interval Methods for Processing Geometric Objects," IEEE Computer Graphics and Applications, vol. 4, no. 2, pp. 7-17, Feb. 1984, doi:10.1109/MCG.1984.275931
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