| 摘要 |
<p>A method of determining the prospective location (5) of two or more fiducial markers (3) comprising the steps of : with respect to the work piece (2), defining a path (4) having a radius from an origin which varies in a non- repetitive manner with respect to the angular displacement of the path from the origin; and selecting two or more prospective locations of respective fiducial markers such that the prospective locations are positioned relative to the work piece substantially at points along the defined path.</p> |
