ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,250, issued on Nov. 3, was assigned to Zoox Inc. (Foster City, Calif.).
"Hierarchical multi-objective optimization in vehicle path planning tree search" was invented by Joseph Lorenzetti (Foster City, Calif.), Timothy Caldwell (Boulder, Colo.), Ke Sun (Foster City, Calif.) and Xianan Huang (Foster City, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hierarchical tree search may determine different costs associated with a same candidate action for different levels of the hierarchy, each of which may be associated with different cost function(s) and respective objective(s), such as safety, progress, comfort, and the like. At each level, the hi...