Stroke information measuring instrument and stroke information measuring method
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United States of America Patent
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May 31, 2005
Grant Date -
Oct 14, 2004
app pub date -
Oct 10, 2002
filing date -
Oct 15, 2001
priority date (Note) -
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Abstract
A stroke information measuring device according to the present invention comprises an imaging section 4 capturing image data of every predetermined time of a swimmer who is swimming, a pixel extracting section 18 extracting pixels corresponding to the body image, a profile data generating section 20 performing the integration of the body image in a predetermined direction and generating the profile data, an end point extracting section 24 extracting the end point of each profile data, a stroke point extracting section 26 extracting the stroke point corresponding to the predetermined posture of the swimmer based on the periodic movement of each end point, and a calculating section 28 calculating the stroke information based on the stroke point.
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