A19 Ball Movement Analysis in Pitching by Image Processing

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  • A19 野球のピッチングにおけるボールの画像解析(野球)
  • 野球のピッチングにおけるボールの画像解析
  • ヤキュウ ノ ピッチング ニ オケル ボール ノ ガゾウ カイセキ

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Abstract

For improvement of pitching skill in baseball, it is important to understand the behavior of the pitched ball itself. This paper presents a method of detecting rotation of the pitched ball from image streams obtained by high speed camera. The ball was marked previously for helping image processing. Feature points from the image stream assemble into a set of linear equations that represents orientation change between consecutive two frames by rotation matrix R. The results from live pitching data are shown.

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