METHOD AND APPARATUS FOR DETERMINING POSITION OF SPORTING PROJECTILE WITHIN SCENE Russian patent published in 2017 - IPC A63B71/06 

FIELD: sports.

SUBSTANCE: apparatus for determining position of a sporting projectile within a scene during a time interval, in which sporting projectile is hidden from view of a camera, apparatus comprising: an interface operable to receive a first sequence of images of scene captured by camera at a first predetermined frame rate before time interval, and a second sequence of images of scene captured by camera at a second predetermined image rate after time interval; a sporting projectile detection device operable to detect position of sporting projectile within scene for each image in the first and second sequence of images; a velocity detection unit operable to determine velocity of sporting projectile before time interval, on basis of detected position of sporting projectile within scene for each image in the first sequence of images and first frame rate, and velocity of sporting projectile immediately after time interval on basis of detected position of sporting projectile within scene for each image in second sequence of images and second predetermined image rate; and a sporting projectile position determination unit, operable to determine position of sporting projectile during time interval using at least one of detected position of sporting projectile within scene for each image within first and second sequence of images and determined velocity of sporting projectile immediately before and immediately after time interval.

EFFECT: determination of position of sporting projectile within a scene.

10 cl, 15 dwg