High-Resolution Streaming Functionality in SAGE2 Screen Sharing

  • Kazuya IshidaEmail author
  • Daiki Asao
  • Arata Endo
  • Yoshiyuki Kido
  • Susumu Date
  • Shinji Shimojo
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 70)


Visualization on a Tiled Display Wall (TDW) is an effective approach for sharing large quantities of scientific data among researchers in collaborative research. SAGE2 (Scalable Amplified Group Environment) is a popular middleware for organizing multiple monitors into a TDW. SAGE2 has a useful function, Screen Sharing, which allows the user to utilize existing applications on a TDW without redevelopment. However, the current Screen Sharing has a problem in that it displays the application window at the same resolution as the monitor devices connected to the user’s PC. Such insufficient resolution degrades the visibility of scientific data visualized on a TDW. In this paper, we incorporate a frame-streaming method we designed into Screen Sharing to realize the functionality of high-resolution streaming. Our evaluation demonstrates that our method enables Screen Sharing to display the application window at an arbitrary resolution on a TDW. Our method is also effective in improving the frame rate of Screen Sharing. For example, 19.2 fps is achieved when displaying a 4K application on a TDW.


Visualization Tiled display wall SAGE2 Screen sharing 



This work was supported by the JSPS KAKENHI Grant Number JP18K11355 and the “Joint Usage/Research Center for Interdisciplinary Large-scale Information Infrastructures” in Japan (Project ID: jh160056-ISH, jh170056-ISJ, jh180077-ISJ).


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Kazuya Ishida
    • 1
    Email author
  • Daiki Asao
    • 2
  • Arata Endo
    • 1
  • Yoshiyuki Kido
    • 3
  • Susumu Date
    • 3
  • Shinji Shimojo
    • 3
  1. 1.Graduate School of Information Science and TechnologyOsaka UniversitySuitaJapan
  2. 2.School of EngineeringOsaka UniversitySuitaJapan
  3. 3.Cybermedia CenterOsaka UniversitySuitaJapan

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