| 英文摘要 |
This paper introduces the preliminary study on image-based measurement for earthquake engineering experiments and a 2D image analysis tool called ImPro prototyped by NCREE. In 2005, NCREE first employed 2D image-based measurement approach using commodity digital cameras to get large bi-lateral dynamic displacements induced in RC collapse tests, which are not easy to measure using traditional devices. In 2006, the techniques in this approach are developed into an ImPro package with a built-in automatic tracing function in order to reduce considerable time cost of manual image positioning. |
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