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

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Text this: Object matching and recognition under semi-affine transformation and occlusion