Three-dimensional measurement by use of rotating beam-splitter and coupled mirror

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  • A111 回転するビームスプリッタと合わせ鏡を用いた三次元計測
  • カイテン スル ビームスプリッタ ト アワセカガミ オ モチイタ 3ジゲン ケイソク

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Circular dynamic stereoscopy (CDS) has special advantages as it enables 3-D measurements using a single CCD camera without any cumbersome settings. Annular streaks are recorded using this system and the size of the annular streaks directly relates to the depth/distance from the CCD camera. That is, the size of annular streaks is inversely proportional to the depth/distance from the CCD camera and therefore three-dimensional information can be measured automatically by image processing techniques. In this paper, PIV system using circular dynamic stereoscopy is introduced. Experimental results demonstrate the feasibility of our method.

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