クロマキー合ごう成せい

noun

chroma key compositing; chroma key synthesis

Technical term in video production for combining two images or video streams based on color hues (chroma range).

• 天てん気き予よ報ほうの背はい景けいはクロマキー合ごう成せいで作つくられています。

  The weather forecast background is created using chroma key compositing.