| 摘要 |
PROBLEM TO BE SOLVED: To allow a measuring tool to be carried and installed easily, and to precisely determine the dimensions of a measurement target three-dimensionally based on epipolar geometry. SOLUTION: The tool includes a base material 110 having a flat main surface formed in a closed loop; and at least eight reference points 130 that are provided on the main surface of the base material, and become corresponding points that correspond one another between photography images, when analyzing the dimensions of the measurement target from the plurality of photography images where the measurement target is. Then, respective reference points are arranged while being separated one another along the closed loop of the base material. COPYRIGHT: (C)2007,JPO&INPIT
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