读者:在上一期的“联通IP飞毯篇”介绍中,我看到大量的采用了实景我想问问,为什么不用合成和抠像来执行呢? 答:首先,我想告诉你,这个镜头合成或者抠像是可以的。我们一般根据每条片的制做要求,执行成本来酌情制做。在成本是足够并且制做要求很高的情况下,我想你也不想抠像吧。抠像所产生的一个弊端是,移动物体与 Readers: In the last issue of “China Unicom IP Flyweight” introduction, I see a lot of the use of real I would like to ask why not use compositing and keying to perform it? A: First, I want to tell you that this Lens synthesis or keying is possible. We generally do according to the requirements of each film production, implementation costs as appropriate. I think you do not want to keying at the cost is enough and the production requirements are high. One of the drawbacks with keying is that moving objects with