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The Impact of Screen Resolution of HMD on Perceptual Quality of Immersive Videos

Wenjie Zou, Lihui Yang, FuZheng Yang, Zhibin Ma, Qiyong Zhao

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    Duration: 08:34
10 Jul 2020

In this paper, we attempted to explore the impact of the screen resolution of future HMDs on users' perceptual quality. A subjective experiment was elaborately designed and conducted on several HMDs and a high-resolution monitor to investigate the perceptual quality provided by existing and future HMDs. To simulate the HMDs having the screen with higher resolutions, we required subjects to view omnidirectional videos on the monitor at different distances in which case they can view the screen with different pixel densities. The experimental results demonstrated that users' perceptual quality will increase with the screen resolution until a threshold, i.e., around 60 pixels per degree. This trend was further well described by an exponential model with root mean squared errors (RMSE) less than 2% and Spearman Rank Order Correlation Coefficient (SROCC) larger than 0.98.

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