| 摘要 |
<P>PROBLEM TO BE SOLVED: To quickly detect the center point of a pantograph. <P>SOLUTION: A linear locus where the center point of the pantograph moves on an image in accompaniment to vertical moving of the pantograph is found preliminarily, and is corrected to make the center point of the pantograph get in consistence with the linear locus, when an input image is image-recognized to find the center point of the pantograph, in a device with a camera inclined with respect to the pantograph, and for measuring a position of the vertically moving pantograph by image processing of an image photographed by the camera. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
