發送短信 : Detecting special frames in sports videos

  ______     ___     _    _      ___      ______  
 /_   _//   / _ \\  | \  / ||   / _ \\   /_   _// 
 `-| |,-   | / \ || |  \/  ||  | / \ ||  `-| |,-  
   | ||    | \_/ || | .  . ||  | \_/ ||    | ||   
   |_||     \___//  |_|\/|_||   \___//     |_||   
   `-`'     `---`   `-`  `-`    `---`      `-`'