| 摘要 |
PURPOSE:To observe stereoscopically an object in a place where no persons can enter, by transmitting moire stripes generated on the end face of an image fiber and observing moire fringes. CONSTITUTION:The image of a projection grating K1 on an object 3 is focused on the end face of an image fiber 1 by a lens 8. An image G1 of the projection grating K1 and the second grating G2 which is provided from the beginning are superposed on the end face of the image fiber to generate moire fringes q' on the end face of the image fiber 1. The image fiber 1 transmits moire fringes q' to an image receiving part. When the image is observed in the image receiving part, the image of the object and moire fringes are seen well mainly. Since moire fringes reflect the state of ruggedness of the object, three-dimensional information of the object is obtained. Thus, the object is observed stereoscopically in the place where no persons can enter. |
