發送短信 : Face tracking for people with or without wearing face masks

  _____      ___     _    _     _____     ______  
 / ____||   / _ \\  | || | ||  |  ___||  /_____// 
/ //---`'  | / \ || | || | ||  | ||__    `____ `  
\ \\___    | \_/ || | \\_/ ||  | ||__    /___//   
 \_____||   \___//   \____//   |_____||  `__ `    
  `----`    `---`     `---`    `-----`   /_//     
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