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Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
16K ÃÊ°íÈÁú 360µµ ¿µ»ó¿¡¼ÀÇ »ç¿ëÀÚ ½ÃÁ¡ ±â¹Ý ŸÀÏ ½ºÆ®¸®¹Ö ¼º´É °ËÁõ |
¿µ¹®Á¦¸ñ(English Title) |
Performance Analysis of Viewport-dependent Tiled Streaming on 16K Ultra High-quality 360-degree Video |
ÀúÀÚ(Author) |
Á¤Á¾¹ü
À̼øºó
±èÀξÖ
·ùÀº¼®
Jong-Beom Jeong
Soonbin Lee
Inae Kim
Eun-Seok Ryu
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¿ø¹®¼ö·Ïó(Citation) |
VOL 22 NO. 03 PP. 0001 ~ 0008 (2021. 06) |
Çѱ۳»¿ë (Korean Abstract) |
°¡»ó Çö½Ç °ø°£¿¡¼ head-mounted display(HMD)¸¦ ÅëÇÑ ½Ç°¨Çü ¹Ìµð¾î¸¦ Á¦°øÇϱâ À§Çؼ´Â ÃÊ°íÈÁú ¹× ÃÊ°íÇØ»óµµÀÇ Àü¹æÀ§ 360µµ ¿µ»ó Àü¼ÛÀÌ ÇÊ¿äÇÏ°í, ÀÌ´Â ³ôÀº ´ë¿ªÆø ¹× ¿¬»ê·®À» ¿ä±¸ÇÑ´Ù. À̸¦ ±Øº¹Çϱâ À§ÇØ 360µµ ¿µ»ó¿¡ ´ëÇÑ Å¸ÀÏ ±â¹Ý ºÐÇÒ ±â¹ýÀ» »ç¿ëÇÏ¿© »ç¿ëÀÚ ½ÃÁ¡ ±â¹Ý ¼±ÅÃÀû ½ºÆ®¸®¹Ö ±â¹ýÀÌ »ç¿ëµÉ ¼ö ÀÖ´Ù. º» ³í¹®Àº 16K ÃÊ°íÈÁú 360µµ ¿µ»ó ¹× Á¾·¡¿¡ ³Î¸® ¾²ÀÌ´Â 4K 360µµ ¿µ»ó¿¡¼ÀÇ »ç¿ëÀÚ ½ÃÁ¡ ±â¹Ý ŸÀÏ ½ºÆ®¸®¹Ö ±â¹ýÀÇ ¼º´É Æò°¡¸¦ ¼Ò°³ÇÑ´Ù. 16K ÃÊ°íÈÁú 360µµ ¿µ»ó¿¡ ŸÀÏ ½ºÆ®¸®¹Ö ±â¹ýÀ» Àû¿ëÇÏ¿´À» ¶§, ¿µ»ó Àüü ºÎÈ£È ¹× Àü¼Û ¹æ¹ý ´ëºñ 42.47%ÀÇ bjotegaard delta rate(BD-rate) Àý°¨À» È®ÀÎÇÏ¿´°í, 4K 360µµ ¿µ»ó ŸÀÏ ½ºÆ®¸®¹Ö ½Ã 26.41%ÀÇ BD-rate Àý°¨ÀÌ ÀÌ·ç¾îÁö´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù. µû¶ó¼, ŸÀÏ ½ºÆ®¸®¹ÖÀÌ ÃÊ°íÇØ»óµµ ¿µ»ó¿¡ ´õ È¿À²ÀûÀÓÀ» È®ÀÎÇÏ¿´´Ù. |
¿µ¹®³»¿ë (English Abstract) |
Ultra high-quality and ultra high-resolution omnidirectional 360-degree video streaming is needed to provide immersive media through head-mounted display(HMD) in virtual reality environment, which requires high bandwidth and computational complexity. One of the approaches avoiding these problems is to apply viewport-dependent selective streaming using tile-based segmentation method. This paper presents a performance analysis of viewport-dependent tiled streaming on 16K ultra high-quality 360-degree videos and 4K360-degree videos which are widely used. Experimental results showed 42.47% of bjotegaard delta rate(BD-rate) saving on 16K ultra high-quality 360-degree video tiled streaming compared to viewport-independent streaming while 4K 360-degree video showed 26.41% of BD-rate saving. Therefore, this paper verified that tiled streaming is more efficient on ultra-high quality video. |
Å°¿öµå(Keyword) |
360µµ ¿µ»ó
16K ¿µ»ó
ŸÀÏ ½ºÆ®¸®¹Ö
MCTS
°¡»ó Çö½Ç
360-degree Video
16K video
tiled streaming
MCTS
virtual reality
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