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Region of interest–based segmented tiled adaptive streaming using head-mounted display tracking sensing data

Author

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  • Hyun-Wook Kim
  • Sung-Hyun Yang

Abstract

To support 360 virtual reality video streaming services, high resolutions of over 8K and network streaming technology that guarantees consistent quality of service are required. To this end, we propose 360 virtual reality video player technology and a streaming protocol based on MPEG Dynamic Adaptive Streaming over HTTP Spatial Representation Description to support the player. The player renders the downsized video as the base layer, which has a quarter of the resolution of the original video, and high-quality video tiles consisting of tiles obtained from the tiled-encoded high-quality video (over 16K resolution) as the enhanced layer. Furthermore, we implemented the system and conducted experiments to measure the network bandwidth for 16K video streaming and switching latency arising from changes in the viewport. From the results, we confirmed that the player has a switching latency of less than 1000 ms and a maximum network download bandwidth requirement of 100 Mbps.

Suggested Citation

  • Hyun-Wook Kim & Sung-Hyun Yang, 2019. "Region of interest–based segmented tiled adaptive streaming using head-mounted display tracking sensing data," International Journal of Distributed Sensor Networks, , vol. 15(12), pages 15501477198, December.
    • Handle: RePEc:sae:intdis:v:15:y:2019:i:12:p:1550147719894533
    DOI: 10.1177/1550147719894533
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