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基于MPEG-4的FGS视频压缩技术的研究
Research of FGS Video Compression Technology Based on MPEG-4
【摘要】 精细可伸缩性视频编码FGS(FineGranularScalable)是MPEG - 4标准的视频化框架中的关键性的编码技术。FGS编码方法生成两个视频流 :基本层码流和增强层码流。基本层码流是必须传输的 ,并且码率低 ;增强层码流则根据带宽的实际情况来决定传多少 ,甚至不传 ,这种分级性的编码方式和传输方式使视频流有较好的鲁棒性
【Abstract】 Fine Granularity Scalability(FGS) video coding is a key technique in MPEG-4 streaming video profile.The method of FGS video coding results in two types of video streaming:base layer bitstream and enhancement layer bitstream.The former has a lower code stream and it must be transmitted.The transmission of the latter can be based on the condition of the net bandwidth.This scalable coding and transmitting method lead to a better robustness of video stream.
- 【文献出处】 计算机与数字工程 ,Computer & Digital Engineering , 编辑部邮箱 ,2004年03期
- 【分类号】TP393
- 【被引频次】1
- 【下载频次】100