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

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Text this: A psychovisual quality metric in free-energy principle