A Study on Particle Identification in PTV-Particle Mask Correlation Method

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  • 135 PTVにおける粒子画像抽出のための粒子マスク法の開発
  • PTV ニ オケル リュウシ ガゾウ チュウシュツ ノ タメ ノ リュウシ マ

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Abstract

Some algorithms for particle identification in PTV, which are classified in a category “particle mask correlation method”, are presented and tested. A typical brightness pattern of a particle image is referred as a particle mask; it is placed on an image plane and correlation coefficient between the particle mask and the image is calculated; the particle mask is scanned on the plane with the calculation of correlation coefficient; the small subareas with high correlation value indicate central areas of particle images.

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