A sensing device and a sensing method for the ball which exercises

Japanese Patent JP6204494

B2

Provided are an apparatus and method for sensing a moving ball, which extract a feature portion such as a trademark, a logo, etc. indicated on a ball from consecutive images of a moving ball, acquired by an image acquisition unit embodied by a predetermined camera device, and rapidly, and accurately calculate spin of the ball, specifically, even when only a portion of the feature portion indicated on the image remains due to rotation of the ball so as to calculate a spin axis and spin amount of rotation the moving ball based on the feature portion and thus spin of the ball is rapidly and accurately calculated, thereby achieving rapid and stable calculation of the ball in a relatively low performance system. The apparatus includes an image acquisition unit for acquiring consecutive images of a ball, an image processing unit for extracting a feature portion of the ball from the acquired images, and a spin calculation unit for performing any one of forward operation analysis and inverse operation analysis to calculate spin of the ball.

WO/2019/077984	BIOINFORMATION PRESENTATION SYSTEM AND TRAINING METHOD
WO/2007/069618	TRAINING METHOD, TRAINING DEVICE, AND COORDINATION TRAINING METHOD

Kim, Se-fan

JP2015551618A

September 27, 2017

January 08, 2014

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Golfzon Company Limited

A63B69/00; A63B45/00; A63B67/02; A63B69/36; G01B11/26; G01P3/36; G06T7/20; H04N13/239

JP2005529339A
JP2009247642A
JP2012517603A
JP2010540036A
JP2004184236A
JP2006505292A
JP2002333312A
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JP2000019186A
JP7286837A

KR1020120033946A
US20130135466
US20120148099
KR1020060045366A
WO2008052605A1
US6327388

Longhua International Patent Service Corporation

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