A15 Ball Spin Analysis Based on Image Sequences

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  • A15 動画像を用いた実投球ボールの画像解析(野球1)
  • 動画像を用いた実投球ボールの画像解析
  • ドウガゾウ オ モチイタ ジツ トウキュウ ボール ノ ガゾウ カイセキ

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Abstract

Analysis of actually pitched ball movement is important in various sports scenes such as amusement, science, and skill up for the pitching. We have been studying a method of spin detection of the pitched ball from image streams obtained by high speed camera. Our algorithm employs a set of linear equations composed by image coordinate of feature points that are corresponding between successive frame. In this paper, methods of ball radius estimation and feature points detection are described in detail, since the both are significantly affects on the performance of the algorithm.

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