Chroma key system

Details Chroma key system Chroma key system

H - Electricity

04

N

H04N 5/272 (2006.01) H04N 9/75 (2006.01)

Patent

CA 2280487

The chroma key system discriminates background and non-background by color difference. Further, the chroma key system changes background color by illuminating the background via background illumination equipment, discriminates the changing background color as background, and thereby discriminates background from non-background.

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