headless man agian

unless you have access to a motion-control camera, you'll have to keep the camera in the same spot without moving it for each shot.

so set up the scene with the actors in it, film what you want (covering the person's entire head with blue) and unless you have a real nice lighting setup keep the lighting even. that will be the hard part, having the lighting right so the blue shows up real bright and even. don't move the camera at all when you do this (use a tripod). when you're done with that angle, shoot some video of just the background without the actors in it. your camera has to be in the exact same place as it was when you shot the actors.

you can do several different angles if you want, just shoot clean background for each.

so i think MSP has chroma-key effect in it, in which case you can try keying-out the blue head, and placing the background footage behind the action footage. this will replace the transparent head-area with the background. if done right, it should be seamless. the only thing is, either because of the program or the lighting, the chroma-key may not work too well.

in that case, if you have Photoshop or a similar program, you can rotoscope the head out. shouldn't be too hard, just time-consuming. so you'd open both filmstrips, have the clean background on the bottom layer, and the action footage on the top layer. then, use a transparency brush to wipe out the head in each frame. the background will show through, and once again it should be seamless. combine the layers when you're done.

-Chase