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I've always thought the "jigsaw"-style martial arts mats might do rather well for a floor covering - pretty much the same shade of green, and you can have children roll around on them a bit more. You can get a kit with a couple of stands and a background-and-floor length backdrop that people stand on - that might wind up getting tatty quite quickly, depending on usage.
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#Adobe premiere pro cs4 green screen portable
If you want a portable setup, there's several available on eBay for around £100. Without the native editing platform, a high quality HD codec to edit in AVI is needed. With CS4, you will need to get plug-in like Cineform NeoScene (99) to do the job. It needn't actually take up that much space, you just need a section of wall that's not doing much else, and you can always put a curtain or something in front to hide it when not in use. Adobe Premiere Pro CS5 provides native editing capability to popular DSLRs h.264 footage. If you have a space somewhere in the school, a permanant setup with a section of wall painted green (or pretty much any other colour, actually) and fixed ceiling lights might be best. The Alpha Channel shows the degree of transparency by using only black and white colour. The most important step here is to set the Output of Ultra Key to Alpha Channel first. I'm looking into green screen technologies for our small 11-19 Special School.As pointed out above, the main issue with doing green screen always seems to be getting the background as evenly lit as possible so you get a consistant shade of green recorded by the camera. Depending on your green screen footages quality, you might need to fine-tune the Ultra Key’s setting a little.