| 摘要 |
<p>A method and system of aligning a helmet mounted display mounted to a helmet is disclosed. The method comprises the steps of; - aligning a first helmet mounted display guide symbol with a reference direction; - selecting the alignment of the first helmet mounted display guide symbol with the reference direction; - aligning a first stabilised guide symbol, starting at the position of the aligned first symbol, with a reference direction, the first stabilised symbol being stabilised to reduce the movement of the stabilised symbol with respect to the reference direction in response to movements of the head of the user; - selecting the alignment of the first stabilised guide symbol with the reference direction; - aligning a second helmet mounted display guide symbol with the reference direction; - selecting the alignment of the second helmet mounted display guide symbol with the reference direction; - aligning a second stabilised guide symbol, starting at the position of the aligned second symbol, with a reference direction, the second stabilised symbol being stabilised to reduce the movement of the stabilised symbol with respect to the reference direction in response to movements of the head of the user; - selecting the alignment of the second stabilised display guide symbol with the reference direction; - determining a relative position and orientation between the helmet and the display mounted to the helmet according to the positions and orientations of the helmet at said alignments.</p> |
