TY - GEN
T1 - Light-weight video coding based on perceptual video quality for live streaming
AU - Sakamoto, Yusuke
AU - Saika, Shintaro
AU - Takeuchi, Masaru
AU - Nagashima, Tatsuya
AU - Cheng, Zhengxue
AU - Kanai, Kenji
AU - Katto, Jiro
AU - Wei, Kaijin
AU - Zengwei, Ju
AU - Wei, Xu
N1 - Publisher Copyright:
© 2018 IEEE.
PY - 2018/7/2
Y1 - 2018/7/2
N2 - In video streaming on the internet, effective encoding recipes (i.e. bitrate-resolution pairs) are a main obstacle to deliver high-quality video streams. We developed a method to generate an encoding recipe that considers subjective visual quality with one just-noticeable difference (JND) distance. However, this method requires excessive computation time, which is not directly applicable for live streaming. In this paper, in order to provide a light-weight method for live streaming, we developed three acceleration techniques: resolution extrapolation, VMAF skipping and sampled objective measure calculation. These techniques are heuristic, but greatly contribute to reducing computational cost. Experimental results demonstrate that the proposed method achieves a significant reduction in computation time without significant effects on rate-JND characteristics.
AB - In video streaming on the internet, effective encoding recipes (i.e. bitrate-resolution pairs) are a main obstacle to deliver high-quality video streams. We developed a method to generate an encoding recipe that considers subjective visual quality with one just-noticeable difference (JND) distance. However, this method requires excessive computation time, which is not directly applicable for live streaming. In this paper, in order to provide a light-weight method for live streaming, we developed three acceleration techniques: resolution extrapolation, VMAF skipping and sampled objective measure calculation. These techniques are heuristic, but greatly contribute to reducing computational cost. Experimental results demonstrate that the proposed method achieves a significant reduction in computation time without significant effects on rate-JND characteristics.
KW - Adaptive video coding
KW - Computation time
KW - JND
KW - Live streaming
KW - Perceptual video quality
UR - http://www.scopus.com/inward/record.url?scp=85061628402&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85061628402&partnerID=8YFLogxK
U2 - 10.1109/ISM.2018.00033
DO - 10.1109/ISM.2018.00033
M3 - Conference contribution
AN - SCOPUS:85061628402
T3 - Proceedings - 2018 IEEE International Symposium on Multimedia, ISM 2018
SP - 139
EP - 142
BT - Proceedings - 2018 IEEE International Symposium on Multimedia, ISM 2018
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 20th IEEE International Symposium on Multimedia, ISM 2018
Y2 - 10 December 2018 through 12 December 2018
ER -