| 摘要 |
<p>PURPOSE:To give exactly and quickly a mark symbol to an object position by calculating the position of a visual point by a position detecting and changing device, based on a detecting signal from a head part position detecting device and an eyeball motion detecting device, and also, making a position of the mark symbol coincide with a position of its visual point. CONSTITUTION:A position detecting and changing device 11 calculates a position of a visual point of an operator 20, based on a detecting signal from a head part position detecting device 12 and an eyeball motion detecting device 13, and makes a mark symbol coincide with a position of the visual point, based on a result of its calculation. When the head part of the operator has rotated, images which are caught by image sensors 15, 16 are synthesized, in which positions point light sources 31-33 are placed is detected by such a synthetic image, and a rotational angle of the head part id derived. The eyeball motion detecting device 13 is constituted by providing point light sources 44, 45 in front of the left and right of both eyes, and also, providing image sensors 18, 19 on its vicinity, light beams emitted from the point light sources 44, 45 and reflected by a cornea are photodetected by the image sensors, brought to an image processing, and a rotational angle of an eyeball is detected.</p> |
