Alvy Ray Smith wrote a good paper which might help to set things straight for people: http://alvyray.com/Memos/MemosCG.htm#ImageCompositing http://alvyray.com/M

Alvy Ray Smith wrote a good paper which might help to set things straight for people: http://alvyray.com/Memos/MemosCG.htm#ImageCompositing http://alvyray.com/Memos/MemosCG.htm#ImageCompositing