And if your video is destined for online/computer use, that MUST be progressive anyway, so why start with interlaced? Just create an all-progressive workflow and get away from interlaced if you can. Interlacing is just an undesirable thing we are stuck with from decades ago when CRT TV displays required that kind of technology because they couldn't handle a progressive signal. And a small amount of time elapses between each field being captured, so when the subject is waving his hands, the hands will be in two different places in the two fields therefore adding to a motion-blur type of issue which does not help the keying.īy recording 25p or 50p, each frame of video is captured all at once. Without getting too technical, each "frame" of interlaced (1080i/50) video is split into two "fields", one made of the even-numbered scan lines and the other the odd-numbers. However, I would recommend bumping recordings up to the 50Mbps settings, and using 25p or even 50p if available, which should provide better results than interlaced 50i. Looking at online specs for the XF105, it does record using 4:2:2, so that's a real plus not found on many cameras! Now that's the bright green I'm talking about, yes! The pop-up is convenient, but that shade of green is not helping you one bit. I'd definitely try a different background for starters though. Of course, lighting is the most important factor in getting a great key result. One will usually get a better keying result recording progressive (1080p etc) versus interlaced (1080i). What model are you using? You want to at least use the highest quality, highest bitrate record mode you can to give you an edge with the keying. Some cameras will offer both recording modes. What are the camera recording settings settings, for instance 1080i, 1080p30, 1080p60? And recording to what format, like AVCHD or? You will get best results recording to a 4:2:2 format versus 4:2:0 which records less color information in the signal. Just more apparent on the hand due to motion. If you look at talent's right shoulder and arm, it's not really a good key, has chunks missing. Chroma Keying works off the color value of the pixels and the dark green just doesn't given enough saturation value to the pixels to set them apart from the foreground subject. I also do have a pop-up like yours and it just doesn't work as well. I actually use a bright green sheet from a fabric store. Not all green screens are created equal - yours looks very dark, and a brighter more saturated green is going to work better.
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