I learned about the chromakey in this assignment. Pertaining to the video, I have no idea why one shot is the blue background and the rest is black, for when I made it during class every shot was the same. The chromakey has much more to it than I thought. When I think of the green screen, I figure all you have to do is post something on it and it's as simple as that. I had no idea that luma, saturation and such could be used to enhance the quality of the picture.
The chromakey was first introduced to me when I was younger when I watched Whose Line Is It Anyway. One of the characters had to stand in front of a green screen, while the other characters had to give him clues as to what was behind him. The weatherman also deals with the chromakey on a daily basis.
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