prov:value
| - This mapping go can be represented as follows: ??? x y P ??? ( x , y ) = g ( P ??? ( x , y ) , x , y ) ??? x y P ??? ( x , y ) In the simplest case, the function go is a constant, in general greater than 1, mapping exposure levels in a preview image P???(x,y) to produce an altered image P???(x,y) having the same overall exposure level as the flash version image I???(x,y). (Alternatively, the image
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