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MPEG-4验证模型中的位率控制策略 被引量：2

Rate Control Strategy of MPEG-4 Verification Model
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摘要 1引言 始于20世纪70年代的数字视频处理技术经过三十多年的发展,取得了很大的进展,其中国际标准化组织ISO/IEC下属的MPEG专家组制定的标准系列包括已经制定完成的MPEG-1、MPEG-2、MPEG-4、MPEG-7标准以及正在制定当中的MPEG-21标准. As a new generation of multimedia coding standard. MPEG-4 aims to satisfy all kinds of low bitrate applications. Accordingly some new coding ideas and technologies are introduced into MPEG-4. This paper discusses the new rate control strategy recommended by MPEG-4 Verification Model-a rate control strategy based on quadratic rate distortion model, and then analyzes and evaluates the strategy, finally some suggestions for improving the strategy are proposed.
作者 周兵 李晓强 李炜
机构地区 郑州大学信息工程学院计算机应用研究室 北京航空航天大学计算机学院数字媒体室
出处 《计算机科学》 CSCD 北大核心 2003年第10期167-169,共3页 Computer Science
基金 国家高技术研究发展计划专项经费(2001AA114142)基金
关键词 MPEG-4 验证模型 位率控制策略 多媒体编码标准 图像编码 视频编码 MPEG, Rate control, Quadratic modeling, Buffer, Quantization
分类号 TN919.81 [电子电信—通信与信息系统]
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参考文献11

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同被引文献16

  • 1ISO/IEC JTCl/SC29/WGI1. FCD 14496-1998 Information Technology Coding of Audio-visual Objects, Part 1: Systems, Part 2: Visual, Part 3: Audio[S]. 1998.
  • 2Chiang Tihao, Zhang Yaqin. A New Rate Control Scheme Using Quadratic Rate Distortion Model[J]. IEEE Trans. on Circuits and Systems for Video Technology, 1997, 7(1): 246-250.
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  • 6Ding Wei,Liu Bede.Rate Control of MPEG Video Coding and Recor- ding by Rate Quantization Modeling .IEEE Trans.On Circuits and Systems for Technology ,1996,6(1):12-20
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计算机科学
2003年 第10期

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