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随着视频编码技术和视频流应用的发展,位率控制技术目前已经成为多媒体研究领域的热点课题之一。首先归纳出位率控制的基本原理,然后根据视频编码在不同领域内的应用,对目前几种主流的位率控制算法进行了阐述,并指出了不同应用环境下的位率控制算法的优缺点。
With the development of video coding technology and video streaming applications, bit rate control technology has now become one of the hot topics in the field of multimedia research. First of all, the basic principles of bit rate control are summarized. Based on the application of video coding in different fields, several mainstream bit rate control algorithms are described, and the advantages and disadvantages of bit rate control algorithms in different application environments are pointed out .