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We present a methodology for 3-D collision-free path planning in which planning is done in the 3-orthogonal 2-D projections of a 3-D environment. Suboptimal path searching is done in each of the 3 orthogonal 2-D subspaces using primitive path segments. A hierarchical path searching method is introduced to speed up the search process. This approach lends applications to spatial planning in environments where no a priori knowledge is assumed. The three orthogonal 2-D projections can be readily obtained from 3 orthogonal cameras in simple environments.
Robotics and Automation. Proceedings. 1985 IEEE International Conference on (Volume:2 )
Date of Conference: Mar 1985