Performance Evaluation of Video Codecs in the Space Environment

P. Tsao, C. Okino, L. Clare
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引用次数: 1

Abstract

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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空间环境下视频编解码器的性能评价
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。
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