下一代应急服务的视频传输

2020 IEEE 9th International Conference on Communication Systems and Network Technologies (CSNT) Pub Date : 2020-04-01 DOI:10.1109/CSNT48778.2020.9115787

Abubkr Elmnsi, Fahad Mira

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引用次数: 0

摘要

由于高效视频编码(HEVC)标准，通过4G/LTE传输视频流等多媒体服务变得越来越现实。然而，视频流是带宽昂贵的。编码后的视频质量受初始编解码器设置和不同网络服务质量的影响很大。了解任何编解码器的编码过程对视频质量的影响以及网络损害对传输质量的影响是至关重要的。本文给出了HEVC编码和编解码器设置对视频质量影响的实验结果，以及LTE网络质量退化对视频质量影响的实验结果。结果表明，编码和流媒体都对编解码器设置和视频内容高度敏感，应综合考虑两者的影响。

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Video Transmission Over Next Generation Emergency Services

The delivery of multimedia services such as video streaming over 4G/LTE is becoming ever more realistic due to the High Efficiency Video Coding (HEVC) standard. However, streaming of video is bandwidth expensive. The quality of encoded video is hugely influenced by initial codec setting and dependent on the varying network quality of service. Understanding the impact that the encoding process of any codec has on video quality and the impact that network impairment has on delivered quality is paramount. This paper presents experimental results of the investigation of the impact of HEVC encoding and codec settings has on video quality and of the impact of LTE network quality degradation has on video quality. Results show that both the encoding and streaming are highly sensitive to codec setting as well as to the video content and suggest that the impact should be jointly considered.

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2020 IEEE 9th International Conference on Communication Systems and Network Technologies (CSNT)

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