| 基于RF5框架的视频编解码系统的优化与仿真 |
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| 引用本文： | 李晓静,石馨,鲁亿方,刘贺平.基于RF5框架的视频编解码系统的优化与仿真[J].计算机仿真,2008,25(8). |
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| 作者姓名： | 李晓静 石馨 鲁亿方 刘贺平 |
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| 作者单位： | 北京科技大学,信息工程学院,北京,100083 |
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| 摘 要： | 旨在对基于算法效率和实时性技术的视频编解码系统进行优化仿真研究.首先针对视频系统中比较突出的编码算法效率问题提出基于物体运动矢量的快速半像素搜索算法,与传统的运动估计搜索算法仪局限于整像素搜索和半像素全搜索进行对比分析,并给出仿真结果.在此基础上基于CCS仿真环境构建了一个新型的DSP/BIOS视频编解码系统实现框架.由PC机上的仿真试验结果显示,与目前普遍使用的串行算法移植框架相比,确实解决了实时性差的问题,同时保证了图像质量,对在DSP甲台上实现高质量的视频序列实时传输、缩短开发周期具有十分重要的意义.
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| 关 键 词： | 视频编码算法 半像素搜索 参考设计框架 |
A Video Algorithm Based on Reference Framework 5 |
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| LI Xiao-jing,SHI Xin,LU Yi-fang,LIU He-ping.A Video Algorithm Based on Reference Framework 5[J].Computer Simulation,2008,25(8). |
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| Authors: | LI Xiao-jing SHI Xin LU Yi-fang LIU He-ping |
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| Affiliation: | LI Xiao-jing,SHI Xin,LU Yi-fang,LIU He-ping(School of Information , Engineering,Beijing University of Science , Technology,Beijing 100083,China) |
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| Abstract: | This paper aims to make simulation and performance analysis of the video system based on algorithm and real-time technology.It provides a new method based on the half pixel search.Then,the CCS system simulation software is used to design a typical DSP/BIOS video system.All of the conclusions provide a theoretical foundation for the real-time transmission and high-qualified video.It's very important for video system to optimize the design and shorten the system development cycle. |
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| Keywords: | Video algorithm Half-pixel Reference framework |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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