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

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發送短信 : Combination of document image binarization techniques