| 摘要 |
A ranging apparatus which determines distances to objects by using planar positions of the objects in images which are obtained by cameras which take the images, plural distortion correction tables used to correct distortion of images taken by the cameras wherein the distortion correction are made for progressively determined ranging distances of a target object, a corrective computer which generates corrected images using the distortion correction tables, being corrected for eliminating distortion caused by optical systems of the cameras, corresponding to the progressively determined ranging distances in which the images are taken by the cameras, a selector which selects a most appropriately corrected image among the corrected images and a ranging computer which computes a distance to the object viewed in the selected corrected image.
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