随着摄像机从模拟走向网络,“高清”日渐成为市场关注的热点,它的出现让人们可以看得更清楚,获得更多的细节。但是,客户在从之前“只能看见人脸”到现在“能看清人脸”的同时,又提出了另一方面的要求,那就是看得更广,即在同一个场景中能看到更多的东西。对此, As the camcorder moves from analog to the internet, HD has become a hot spot in the marketplace, and its emergence has allowed people to see more clearly and get more details. However, the client from the previous “can only see the face ” until now “can see the face ”, but also put forward the other hand, that is to see a wider, that is in the same scene Can see more things. In this regard,