I'm using AlphaComp_8uAC4R function. I want to be able to work in both modes : alpha-premultiplied mode and not premultiplied mode.
From my tests, it seems that the results of the function with ippAlphaOver are alpha-premultiplied :
I've the same results with
Is it the expected behaviour ?
Is there a inverse function for AlphaPremul I could use to transform the result ?