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[2016.04.06] 發表

【明報專訊】Pat is being filmed in front of a green screen in a studio. However, on the computer screen, she appears to be standing in a desert. A common technology in filmmaking called chroma key compositing (色鍵) is employed. Green is used because it can easily be differentiated from any hue of human skin.

■Glossary

differentiate (v) 區分

hue (n) 色調

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