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无线视频传输中FEC与WZ联合抗误码算法研究

Error Resilient Video Coding Algorithm Combining FEC and WZ Technology in Wireless Network Transmission
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摘要 无线视频编码的低抗误性、无线信道带宽的有限性、无线视频业务的高需求决定了高鲁棒性的抗误算法必将成为无线视频通信的核心问题之一。基于FEC与WZ(Wyner-Ziv)两抗误工具的在不同误码率下抗误互补特性,提出了FEC与WZ联合抗误码方案。实验表明:该方案有效地综合了两者优点,提升了平均PSNR。 Reliable video delivery has become one of the crucial issues in wireless video communications because of low error resilience ability of wireless video coding,high interference property of wireless channel and the high demand of the wireless video services.Based on the natural characters of FEC and WZ（Wyner-Ziv）,an error resilient coding scheme which combining the two technologies is proposed.Experimental results demonstrate the scheme can possess their both advantages and have an improvement in the average PSNR.
作者 王天庆 谢正光 李宏魁
机构地区 南通大学电子信息学院
出处 《电视技术》 北大核心 2013年第19期187-190,共4页 Video Engineering
基金 国家自然基金面上项目(61171077) 交通部应用基础研究项目(2011-319-813-510) 交通部高新技术联合攻关项目(2010-353-332-110) 江苏省科技厅社会发展项目(BE2010686) 南通大学创新人才基金项目(2009) 南通大学研究生科技创新计划项目(YKC12071)
关键词 视频压缩码流 抗误传输 WZ编码 FEC编码 video compression coding stream error resilient transmission WZ coding FEC coding
分类号 TN919.81 [电子电信—通信与信息系统]
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参考文献18

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二级参考文献27

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2013年 第19期

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