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  _____    _    _     _  __   _    _             
 / ____|| | || | ||  | |/ // | || | ||     ___   
/ //---`' | || | ||  | ' //  | || | ||    /   || 
\ \\___   | \\_/ ||  | . \\  | \\_/ ||   | [] || 
 \_____||  \____//   |_|\_\\  \____//     \__ || 
  `----`    `---`    `-` --`   `---`       -|_|| 
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Text this: Visual obstacle detection for UAV