Joint Flexible Macroblock Ordering and FEC Coding for H.264 Wireless Video Transmission

S. Aramvith, W. Hantanong
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引用次数: 3

Abstract

"Flexible macroblock ordering" is the macroblock-level error resilience tool defined in H.264 video coding standard for wireless video transmission. Nevertheless the issue of how to suitably arrange the macroblock in suitable mapping is yet to clarified and investigated. This paper addresses this issue and proposes the use of the encoder's macroblock coded-bit-count information as an indicator for a choice of macroblock-address-map of each picture. This proposed mapping is jointly used with forward error correction (FEC) coding. Simulation results under the scenarios of slow and fast fading channels verify the proposed technique help reduce the number of undecodable macroblocks of up to 86%. The works would improve the effectiveness of wireless video transmission
H.264无线视频传输的联合柔性宏块排序和FEC编码
“灵活的宏块排序”是H.264视频编码标准中定义的用于无线视频传输的宏块级纠错工具。然而,如何在合适的映射中适当地安排宏块的问题还有待澄清和研究。本文解决了这个问题,并建议使用编码器的宏块编码位计数信息作为每个图片的宏块地址映射选择的指示符。该映射与前向纠错(FEC)编码联合使用。在慢速和快速衰落信道下的仿真结果验证了所提出的技术可以减少高达86%的不可解码宏块数量。该工作将提高无线视频传输的效率
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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