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

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Text this: Sparse representation for computer vision and pattern recognition