An obvious example is the weather, where a presenter will stand in front of what appears to be a giant map - in fact, they're standing in front of a green screen and the weather map is being added later.Īll you really need to get started is some video footage of yourself with a green, or blue, background. Technically known as chroma-keying, green screening is the process of masking a video using color - removing specific parts so you can overlay one video on top of another.
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