發送短信 : Object tracking for sports analysis (Part A)

  _____      ___                _____    _    _   
 |__  //    / _ \\      ___    |  ___|| | |  | || 
   / //    | / \ ||    /   ||  | ||__   | |/\| || 
  / //__   | \_/ ||   | [] ||  | ||__   |  /\  || 
 /_____||   \___//     \__ ||  |_____|| |_// \_|| 
 `-----`    `---`       -|_||  `-----`  `-`   `-` 
                         `-`