Golf swing-measuring system
First Claim
1. A golf swing-measuring system comprising:
- a computer for capturing a colored moving image obtained by photographing a golfer who swings by gripping a golf club,wherein said computer selects and extracts one or more images each showing a swing posture as check-point images, including an address image, a take-back shaft 8 o'"'"'clock image, a take-back shaft 9 o'"'"'clock image, a take-back unskillful arm horizontal image, a top image, a downswing unskillful arm horizontal image, a downswing shaft 9 o'"'"'clock image, an impact image, a follow-through shaft 3 o'"'"'clock image, and a finish image, and extracts from a large number of still images constituting said colored moving image, and obtains coordinates of positions of attention-focused points that operate in said check-point images when said golfer swings;
wherein when a colored mark is provided on at least one of said attention-focused points, a search range which is a region in which presence of said colored mark is estimated is set in said check-point image, and a color range which is an allowable range in which color information of a pixel in said image is regarded as the same as that of a reference color of said colored mark is set, and a coordinate of a position of each of said attention-focused points is obtained in said search range by regarding a pixel whose color falls in said color range as a position of said color mark,wherein when a colored mark is not provided or when the provided colored mark is not found on the displayed image on at least one of said attention-focused points, differential processing is executed between said check-point image and a background image in which a golfer is not photographed to obtain a golfer'"'"'s silhouette and extract a contour of said silhouette, a portion of said obtained contour where not less than a predetermined number of pixels having curvatures in a range from −
10°
to 10°
are continuously present is extracted as a straight line portion, and a coordinate of a position of said attention-focused point is specified by using said straight line portion, andwherein a pixel present at a position where an extension of said straight line portion intersects with said contour is specified as a coordinate of a position of said attention-focused point.
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0 Petitions
Accused Products
Abstract
A golf swing-measuring system including a computer (16) for capturing a colored moving image obtained by photographing a golfer (11) who swings by gripping a golf club (13). The computer (16) selects and extracts one or more images each showing a swing posture as check-point images such as an address image, a take-back shaft 8 o'"'"'clock image, a take-back shaft 9 o'"'"'clock image, a take-back unskillful arm horizontal image, a top image, a downswing unskillful arm horizontal image, a downswing shaft 9 o'"'"'clock image, an impact image, a follow-through shaft 3 o'"'"'clock image, and a finish image and extracts from a large number of still images constituting said color moving image. Thereafter the computer (16) obtains coordinates of positions of attention-focused points that operate in said check-point images when said golfer swings.
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Citations
8 Claims
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1. A golf swing-measuring system comprising:
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a computer for capturing a colored moving image obtained by photographing a golfer who swings by gripping a golf club, wherein said computer selects and extracts one or more images each showing a swing posture as check-point images, including an address image, a take-back shaft 8 o'"'"'clock image, a take-back shaft 9 o'"'"'clock image, a take-back unskillful arm horizontal image, a top image, a downswing unskillful arm horizontal image, a downswing shaft 9 o'"'"'clock image, an impact image, a follow-through shaft 3 o'"'"'clock image, and a finish image, and extracts from a large number of still images constituting said colored moving image, and obtains coordinates of positions of attention-focused points that operate in said check-point images when said golfer swings; wherein when a colored mark is provided on at least one of said attention-focused points, a search range which is a region in which presence of said colored mark is estimated is set in said check-point image, and a color range which is an allowable range in which color information of a pixel in said image is regarded as the same as that of a reference color of said colored mark is set, and a coordinate of a position of each of said attention-focused points is obtained in said search range by regarding a pixel whose color falls in said color range as a position of said color mark, wherein when a colored mark is not provided or when the provided colored mark is not found on the displayed image on at least one of said attention-focused points, differential processing is executed between said check-point image and a background image in which a golfer is not photographed to obtain a golfer'"'"'s silhouette and extract a contour of said silhouette, a portion of said obtained contour where not less than a predetermined number of pixels having curvatures in a range from −
10°
to 10°
are continuously present is extracted as a straight line portion, and a coordinate of a position of said attention-focused point is specified by using said straight line portion, andwherein a pixel present at a position where an extension of said straight line portion intersects with said contour is specified as a coordinate of a position of said attention-focused point. - View Dependent Claims (2, 3, 4)
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5. A golf swing-measuring system comprising:
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a computer for capturing a colored moving image obtained by photographing a golfer who swings by gripping a golf club, wherein said computer selects and extracts one or more images each showing a swing posture as check-point images, including an address image, a take-back shaft 8 o'"'"'clock image, a take-back shaft 9 o'"'"'clock image, a take-back unskillful arm horizontal image, a top image, a downswing unskillful arm horizontal image, a downswing shaft 9 o'"'"'clock image, an impact image, a follow-through shaft 3 o'"'"'clock image, and a finish image, and extracts from a large number of still images constituting said colored moving image, and obtains coordinates of positions of attention-focused points that operate in said check-point images when said golfer swings; wherein when a colored mark is provided on at least one of said attention-focused points, a search range which is a region in which presence of said colored mark is estimated is set in said check-point image, and a color range which is an allowable range in which color information of a pixel in said image is regarded as the same as that of a reference color of said colored mark is set, and a coordinate of a position of each of said attention-focused points is obtained in said search range by regarding a pixel whose color falls in said color range as a position of said color mark, wherein when a colored mark is not provided or when the provided colored mark is not found on the displayed image on at least one of said attention-focused points, differential processing is executed between said check-point image and a background image in which a golfer is not photographed to obtain a golfer'"'"'s silhouette and extract a contour of said silhouette, a portion of said obtained contour where not less than a predetermined number of pixels having curvatures in a range from −
10°
to 10°
are continuously present is extracted as a straight line portion, and a coordinate of a position of said attention-focused point is specified by using said straight line portion, andwherein a pixel present at a position where extensions of two of said straight line portions intersect with each other or a point of a contour present nearest to said intersection position is specified as a coordinate of a position of said attention-focused point. - View Dependent Claims (6, 7, 8)
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Specification