| 摘要 |
The condition of installing a pan/tilt camera simply and precisely. A pan/tilt camera (14) is placed in a position Qk in a three-dimensional real space. The pan/tilt camera (14) has a reference direction E and is rotated when a pan angle ? and a tilt angle ? with respect to the reference direction E. The installment condition of the pan/tilt camera (14), in detail, the world coordinate values (x', y' ,z') of the installment position Qk in the real space and the angel of the reference direction E with respect to the x-axis of the real space, namely, the off-set angle ?o are specified. Specifically, a point of fixation Qm is set in a given position in the real space. The installment condition is determined according to the world coordinate values (x", y", z") of the point of fixation Qm and the pan and tilt angles a, ? of when the pan/tilt camera (14) is directed to the point of fixation Qm, namely according to geometrical calculation. |
