Chroma keying refers to the process of replacing a solid background (key) with animated 或者 static background. This process is also known as green screening. One can also substitute the green screen with blue screen. Although any other color can be used if it is not present in the elements of the foreground, blue and green are most popular. For proper green screening, there are some tips 给 in this 文章 which shall be followed to obtain best footage. Otherwise, there can be many problems while making green screen 视频 或者 images. These problems include color spill, shadows, reflection...
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