| 摘要 |
A three-dimensional computer graphics model which represents a measurable range of a position and orientation sensor is prepared in advance. A composite image is generated by superimposing an image of a virtual object which represents the measurable range of the position and orientation sensor on an actually-sensed image in real space where the position and orientation sensor is placed. The composite image, when displayed, makes it possible to visually recognize the measurable range of the position and orientation sensor.
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