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 _    _    _    _    _    _      ___      ____    
| || | || | || | || | \  / ||   / _ \\   |  _ \\  
| || | || | || | || |  \/  ||  / //\ \\  | |_| || 
| \\_/ || | \\_/ || | .  . || |  ___  || | .  //  
 \____//   \____//  |_|\/|_|| |_||  |_|| |_|\_\\  
  `---`     `---`   `-`  `-`  `-`   `-`  `-` --`

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Text this: Digital Image Watermarking (DIW) yang tahan terhadap transformasi geometris