1.0 link Rainbow Dash Network http://rainbowdash.net/ adiwan (adiwan) http://rainbowdash.net/adiwan http://rainbowdash.net/notice/246124 @<span class="vcard"><a href="http://rainbowdash.net/user/984" class="url" title="zack cannon"><span class="fn nickname">theawesomepinkaminadianepie</span></a></span> You have e.g. 4 cameras and you want to make a alpha mask of a dancer for each camera. This paper describes how you can make a program to minimize the manual corrections to a level as you had only one video camera. This is useful for making movies when you haven't any green screen but a lot of cameras and a static background.