user20944: Is it possibile to cancel out an image superimposed on an another one if we know the overlaid image's alpha channel and pixel values?

user3592: It sounds like you're tying to remove a watermark from a copyrighted image.  The best way to do that is to pay the copyright owner for permission to use their image.

20944: <p>Is it possibile to cancel out an image superimposed on an another one if we know the overlaid image's alpha channel and pixel values?</p>
 3592: <p>It sounds like you're tying to remove a watermark from a copyrighted image.  The best way to do that is to pay the copyright owner for permission to use their image.</p>
