空间环境下视频编解码器的性能评价

P. Tsao, C. Okino, L. Clare
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引用次数: 1

摘要

在前往其他行星和天然卫星的人类飞行任务(例如,返回月球和未来的火星飞行任务)中,将需要为监测分析、个人私人视频对话和一般公众外联等功能提供视频服务。人们希望通过利用地面因特网概念和技术来提供这些服务。在这项工作中,我们专注于视频性能机制,因为它们在无线/射频链路中出现长距离延迟和误码的空间环境中受到影响。我们提供了使用商业视频标准的开源实现的实验结果。峰值信噪比(PSNR)和结构相似度(SSIM)作为性能指标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance Evaluation of Video Codecs in the Space Environment
In human missions to other planets and natural satellites (e.g., return to the Moon and future missions to Mars), there will be a need to provide video services for such functions as monitoring analysis, personal private video conversations and general public outreach. There is a desire to provide these services by leveraging terrestrial Internet concepts and technology. In this work we focus on the video performance mechanisms as they are impacted in a space environment where long range latencies and bit errors arise in the wireless/RF links. We provide results from experiments using open source implementations of commercial video standards. Both Peak Signal-to-Noise Ratio (PSNR) and Structural Similarity (SSIM) are used as a performance metrics.
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