Real time measurement of an object’s small displacement by high speed video camera with moire pattern

研究成果: 雜誌貢獻期刊論文同行評審

2 引文 斯高帕斯(Scopus)

摘要

The resolution of a high speed video camera is not so high as photographic film, therefore the measurement of a small shift, such as the vibration of object is sometimes impossible. Here we suggest to use a grids cover on the object and pass this image through another transparent grids to the camera. It will generate a moire fringe which produce the equivalent resolution thousand times than before. We also put a coordinate mask on the screen of the video TV, it is not only let us get a possibility to measure the small displacement of object which we cannot see by video camera before, but also gives us a real time 3 Dimensional data. The mask errors generated hr the curved screen are also discussed.

原文???core.languages.en_GB???
頁(從 - 到)82-87
頁數6
期刊Proceedings of SPIE - The International Society for Optical Engineering
497
DOIs
出版狀態已出版 - 2 11月 1984

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