After Effects中常用键控技术分析及应用

Application and analysis of the common keying technology of After Effects

After Effects是进行影视后期合成的一个重要软件.在分析键控在影视后期合成中的重要作用以及键控原理的基础上,以实例对After Effects中常用的键控技术进行了解析及应用,并比较了常用键控工具的各自优势.

After Effects is one of the important television late synthesis softwares.On the analysis of keying in television late synthesis,common use and application of the keying technology were introduced by taking practical examples,and their respective advantages of the commonly used keying tools were compared.