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Rotational Drive-Versus-Quality and Video Compression-Versus-Delay Analysis for Multi-Channel Video Streaming System on Ground Combat Vehicles

지상 전투 차량을 위한 다채널 영상 스트리밍 시스템의 회전 구동 대비 품질과 압축 대비 지연 분석

  • Yun, Jihyeok (Ground Technology Research Institute, Agency for Defense Development) ;
  • Cho, Younggeol (Ground Technology Research Institute, Agency for Defense Development) ;
  • Chang, HyeMin (Ground Technology Research Institute, Agency for Defense Development)
  • 윤지혁 (국방과학연구소 지상기술연구원) ;
  • 조영걸 (국방과학연구소 지상기술연구원) ;
  • 장혜민 (국방과학연구소 지상기술연구원)
  • Received : 2020.12.14
  • Accepted : 2021.01.29
  • Published : 2021.02.05

Abstract

The multi-channel video streaming system is an essential device for future ground combat vehicles. For the system, the application of digital interfaces is required instead of the direct analog method to support selectable multiple channels. However, due to the characteristics of the digital interfaces that require en/decoding and signal conversion, the system should support the ability to adapt to quality and delay requirements depending on how video data is utilized. To support addressed issue, this study designs and emulates the multi-channel compressed-video streaming system of ground combat vehicle's fire control system based on commercial standards. Using the system, this study analyzes the quality of video according to the rotational speed of the acquisition device and Glass-to-Glass (G2G) delay between video acquisition and display devices according to video compression rates. Through these experiments and analysis, this paper presents the design direction of the system having scalability on the latest technology while providing high-quality video data streaming flexibly.

Keywords

References

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