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

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Text this: Surface pattern classification and applications