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More from *systemcat

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September 13, 2012
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:iconsystemcat:
Since I seriously questioned the green to cover my self with for a video up coming that has me using this Fly puppet I made a short chroma key test with it. The other covering I'm planning on using is in much lighter tones of green but I fear it might reflect disturbing the white balance in the video. There will be a second test but that won't be posted.

This is being posted for people to learn from that dabble in green screening as I do. You see the shades of green being used and know the white balance was adjusted before filming. But also note this was filmed at night in my apartment and I noted with a previously posted video here. For some reason this plays with the camera's perception of what it sees as white. But none the less this chroma key test should serve as a good example of how to make a mistake with this hobby.

Also note this test was done to see how well the puppet would be relayed against green screening. Those eye balls while this has not been noted in the past are Christmas tree bulbs that are as you can see, highly reflective. I feared if they'd catch the green around them. Same as the nose which has a highly reflective surface. Fortunately as you can see neither turned out to be a problem.
:iconol-skratch:
~ol-skratch Sep 23, 2012  Professional General Artist
The reflection and white balance are less problematic than the folds in the fabric you're wearing. White balance is truly important in video and photography but keying is an exception where having strong contrast in your keyed color is more important. You can always perfect your white while you're keying, since you're already filtering the source video anyway.

Shadows are your worst enemy with keying. The folds in your fabric are the most troubled spots. Try wearing something a little more form-fitting, like lycra. Fortunately, these days there are many online video keying suit manufacturers with decent, inexpensive, form-fitting suits. I always made mine from lycra...it's pretty cheap by the yard and available at nearly any fabric store. Also, a brighter green for the face scrim/hood would help tremendously. The one you're wearing here gets pretty close to the tones of the puppet your using. Try those 2 things and I'm certain you'll pull a clean key almost immediately. Then clean up any minor spill and you're done. I hope this helps you get the results you're looking for.
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:iconsystemcat:
*systemcat Oct 15, 2012  Professional General Artist
I had the feeling it wasn't going to work from the beginning but I had to try. I don't have much of a budget. Lycra, is some thing I've never heard of before so I'm going to look into it. I know Amazon sells form fitting cloths for green screen keying but the cost is too high. Once with an earlier video before it was made. I knew I needed to have a thick medal bendable rod coming out the back of a puppet and that rod had to match the green screen behind it. I photographed the screen in the best light I could and then went to Hobby Lobby with the photo. The paint I bought matched so well, the rod didn't appear at all during the processed video.

Very cool to meet I assume a fellow hobbyist in this field :handshake:.
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