Quickly Approximating the Distance Between Two Objects
Lyndon B. Johnson Space Center, Houston, Texas
Tuesday, December 01 2009
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A method of quickly approximating
the distance between two objects (one
smaller, regarded as a point; the other
larger and complexly shaped) has been
devised for use in computationally simulating
motions of the objects for the purpose
of planning the motions to prevent
collisions. The method is needed
because computer-based-graphics techniques
that have been used heretofore to
make such estimates entail amounts of
computation that are excessively large
for purposes of the simulations.
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