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1. WO2022211377 - SPIN CALCULATION METHOD FOR GOLF BALL MOVING BY BEING HIT AND SPIN CALCULATION APPARATUS USING SAME

Publication Number WO/2022/211377
Publication Date 06.10.2022
International Application No. PCT/KR2022/004180
International Filing Date 25.03.2022
IPC
A63B 24/00 2006.1
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
24Electric or electronic controls for exercising apparatus of groups A63B1/-A63B23/119
A63B 69/36 2006.1
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
69Training appliances or apparatus for special sports
36for golf
G06T 7/246 2017.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
20Analysis of motion
246using feature-based methods, e.g. the tracking of corners or segments
CPC
A63B 2024/0028
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
24Electric or electronic controls for exercising apparatus of preceding groups; ; Controlling or monitoring of exercises, sportive games, training or athletic performances
0021Tracking a path or terminating locations
0028Tracking the path of an object, e.g. a ball inside a soccer pitch
A63B 2220/806
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
2220Measuring of physical parameters relating to sporting activity
80Special sensors, transducers or devices therefor
806Video cameras
A63B 24/00
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
24Electric or electronic controls for exercising apparatus of preceding groups; ; Controlling or monitoring of exercises, sportive games, training or athletic performances
A63B 24/0021
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
24Electric or electronic controls for exercising apparatus of preceding groups; ; Controlling or monitoring of exercises, sportive games, training or athletic performances
0021Tracking a path or terminating locations
A63B 69/36
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
69Training appliances or apparatus for special sports
36for golf
A63B 69/3658
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
69Training appliances or apparatus for special sports
36for golf
3658Means associated with the ball for indicating or measuring, e.g. speed, direction
Applicants
  • 주식회사 골프존 GOLFZON CO.,LTD. [KR]/[KR]
Inventors
  • 장수호 CHANG, Soo Ho
  • 심민경 SIM, Min Kyung
Agents
  • 허동진 HUR, Dong Jin
Priority Data
10-2021-004097830.03.2021KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) SPIN CALCULATION METHOD FOR GOLF BALL MOVING BY BEING HIT AND SPIN CALCULATION APPARATUS USING SAME
(FR) PROCÉDÉ DE CALCUL DE ROTATION POUR BALLE DE GOLF SE DÉPLAÇANT APRÈS AVOIR ÉTÉ FRAPPÉE ET APPAREIL DE CALCUL DE ROTATION À L'AIDE DUDIT PROCÉDÉ
(KO) 타격되어 이동하는 골프공에 대한 스핀 산출 방법 및 이를 이용한 스핀 산출 장치
Abstract
(EN) A spin calculation method for a golf ball moving by being hit, according to an embodiment of the present invention, comprises the steps of: obtaining a first image and a second image which are consecutive images of a golf ball marked with a plurality of markers and moving by being hit; calculating information regarding a reference marker and a plurality of peripheral markers around the reference marker with respect to a plurality of markers on a first ball image corresponding to a golf ball part of the first image; specifying a combination of markers corresponding to the reference marker and the plurality of peripheral markers of the first ball image in a second ball image corresponding to a golf ball part of the second image; and calculating a spin axis and a spin amount by using respective center points of a pair of corresponding markers on the first ball image and the second image.
(FR) Selon un mode de réalisation, la présente invention concerne un procédé de calcul de rotation destiné à une balle de golf se déplaçant après avoir été frappée, le procédé comprenant les étapes consistant : à obtenir une première image et une seconde image qui sont des images consécutives d'une balle de golf marquée à l'aide d'une pluralité de marqueurs et se déplaçant après avoir été frappée ; à calculer des informations concernant un marqueur de référence et une pluralité de marqueurs périphériques autour du marqueur de référence par rapport à une pluralité de marqueurs sur une première image de balle correspondant à une partie de la balle de golf de la première image ; à spécifier une combinaison de marqueurs correspondant au marqueur de référence et à la pluralité de marqueurs périphériques de la première image de balle dans une seconde image de balle correspondant à une partie de la balle de golf de la seconde image ; et à calculer un axe de rotation et une quantité de rotation au moyen des points centraux respectifs d'une paire de marqueurs correspondants sur la première image de balle et la seconde image.
(KO) 본 발명의 일 실시예에 따른 타격되어 이동하는 골프공에 대한 스핀 산출 방법은, 복수의 마커가 표시된 골프공이 타격되어 이동하는 것에 대해 연속된 이미지인 제1 이미지와 제2 이미지를 각각 취득하는 단계; 상기 제1 이미지의 골프공 부분에 해당하는 제1 볼이미지 상의 복수의 마커에 대해 기준마커와 상기 기준마커 주변의 복수의 주변마커에 관한 정보를 산출하는 단계; 상기 제2 이미지의 골프공 부분에 해당하는 제2 볼이미지에서 상기 제1 볼이미지의 기준마커 및 복수의 주변마커에 대응하는 마커의 조합을 특정하는 단계; 및 상기 제1 볼이미지와 제2 볼이미지 상의 대응되는 마커의 쌍의 각 중심점을 이용하여 스핀축과 스핀량을 산출하는 단계를 포함한다.
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