Method and apparatus for identifying a path between source and target states
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United States of America Patent
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Aug 16, 2005
Issued Date -
N/A
app pub date -
Dec 31, 2002
filing date -
Jun 4, 2002
priority date (Note) -
Expired
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Abstract
Some embodiments of the invention provide a path-searching method. This method identifies two sets of states in a multi-state space, where at least some of the states have at least one dimension. It then performs an epsilon-optimal path search to identify an epsilon-optimal path between the two set of states. The epsilon-optimal path is a path that is within an epsilon of the optimal path between the two sets of states. During the espsilon optimal search, the method propagates a cost function that is defined over one state to another state.
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