摘要
介绍了DirectShow技术,提出基于PC机和DirectShow技术的视频抠像及合成系统;其次对视频合成技术进行了研究,通过分析比较选取Alpha抠像算法。
DirectShow technology is introduced in this paper.Video composition of virtual studio system based on DirectShow and PC is proposed.Research on the method of video composition is studied and then Alpha chroma-key algorithm is chosen.
出处
《电视技术》
北大核心
2009年第S1期142-143,146,共3页
Video Engineering
