designed for you to achieve predictable results in keying using the Chroma Keyer filter in Final Cut Pro HD.
transparency around your subject. Creating a clean key begins before you even launch FCP. As I mentioned earlier, with chroma keying, you'll have to start with the highest possible quality video at the shoot. Perhaps, you have heard the phrase "garbage in=garbage out". This old adage really applies to chroma keying, as a higher quality clip will give you a smoother edge around your subject