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http://dx.doi.org/10.3837/tiis.2020.06.008

Subjective Evaluation of Ultra-high Definition (UHD) Videos  

Rahim, Tariq (Kumoh National Institute of Technology)
Shin, Soo Young (Kumoh National Institute of Technology)
Publication Information
KSII Transactions on Internet and Information Systems (TIIS) / v.14, no.6, 2020 , pp. 2464-2479 More about this Journal
Abstract
This paper presents a detailed subjective quality assessment for the ultra-high definition (UHD) videos having frame rates of 30fps and 60 fps. The subjective assessment is based on the ITU-R BT-500 recommendations, where double stimulus continuous quality scale (DSCQS-type II) test is performed for the evaluation of the perceived quality of the user's in terms of differential mean opinion score (DMOS). Encoding of the UHD videos by opting encoders i.e. H.264/AVC, H.265/HEVC, and VP9 at five different quantization parameter (QP) levels is done to investigate the perceived user's quality of experience (QoE) given as DMOS. Moreover, the encoding efficiency as the encoding time for each encoder and qualitative performance by employing full-reference (FR) quality metrics are presented in this work.
Keywords
Encoders; H.264/AVC; H.265/HEVC; quality of experience; quantization parameter; and VP9;
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