방송공학회논문지 (Journal of Broadcast Engineering)

  • 제24권7호
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  • Pages.1209-1220
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  • 2019
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  • 1226-7953(pISSN)
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  • 2287-9137(eISSN)
한국방송∙미디어공학회 (The Korean Institute of Broadcast and Media Engineers)
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A Study on Projection Conversion for Efficient 3DoF+ 360-Degree Video Streaming

  • Jeong, Jong-Beom (Department of Computer Education, Sungkyunkwan University) ;
  • Lee, Soonbin (Department of Computer Engineering, Gachon University) ;
  • Jang, Dongmin (Department of Computer Education, Sungkyunkwan University) ;
  • Kim, Sungbin (Department of Computer Engineering, Gachon University) ;
  • Lee, Sangsoon (Department of Computer Engineering, Gachon University) ;
  • Ryu, Eun-Seok (Department of Computer Education, Sungkyunkwan University)
  • 투고 : 2019.10.01
  • 심사 : 2019.10.24
  • 발행 : 2019.12.30
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초록

The demand for virtual reality (VR) is rapidly increasing. Providing the immersive experience requires much operation and many data to transmit. For example, a 360-degree video (360 video) with at least 4K resolution is needed to offer an immersive experience to users. Moreover, the MPEG-I group defined three degrees of freedom plus (3DoF+), and it requires the transmission of multiview 360 videos simultaneoulsy. This could be a burden for the VR streaming system. Accordingly, in this work, a bitrate-saving method using projection conversion is introduced, along with experimental results for streaming 3DoF+ 360 video. The results show that projection conversion of 360 video with 360lib shows a Bjontegaard delta bitrate gain of as much as 11.4%.

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참고문헌

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