Title:
METHOD FOR CALCULATING NUMBER OF REVOLUTIONS OF TABLE TENNIS BALL
Document Type and Number:
WIPO Patent Application WO/2020/096120
Kind Code:
A1
Abstract:
The present invention provides a method for calculating the number of revolutions of a table tennis ball rotated by hitting of a hitter, comprising the steps of: photographing a rotated table tennis ball; arranging, in a circle of a predetermined radius, the table tennis ball in an image of the photographed table tennis ball; and calculating the number of revolutions of the rotated table tennis ball on the basis of the number of markings of the table tennis ball at least partially passing through the inside of the circle for a predetermined time.
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Inventors:
KIM SANG GYUNG (KR)
KIM YU JUNG (KR)
KIM YU JUNG (KR)
Application Number:
PCT/KR2018/014662
Publication Date:
May 14, 2020
Filing Date:
November 27, 2018
Export Citation:
Assignee:
KIM SANG GYUNG (KR)
International Classes:
G01P13/04; G06K19/06
Domestic Patent References:
| WO2010093141A2 | 2010-08-19 |
Foreign References:
| KR20180002408A | 2018-01-08 | |||
| KR20060004261A | 2006-01-12 | |||
| KR20160139634A | 2016-12-07 | |||
| KR20130001534A | 2013-01-04 |
Attorney, Agent or Firm:
SUAN INTELLECTUAL PROPERTY (KR)
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