Thin-slice vision: inference of confidence measure from perceptual video quality

Abdul Hameed; Benjamin Balas; Rui Dai

doi:10.1117/1.JEI.25.6.060501

21 December 2016 Thin-slice vision: inference of confidence measure from perceptual video quality

Abdul Hameed, Benjamin Balas, Rui Dai

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Journal of Electronic Imaging, Vol. 25, Issue 6, 060501 (December 2016). https://doi.org/10.1117/1.JEI.25.6.060501

Abstract

There has been considerable research on thin-slice judgments, but no study has demonstrated the predictive validity of confidence measures when assessors watch videos acquired from communication systems, in which the perceptual quality of videos could be degraded by limited bandwidth and unreliable network conditions. This paper studies the relationship between high-level thin-slice judgments of human behavior and factors that contribute to perceptual video quality. Based on a large number of subjective test results, it has been found that the confidence of a single individual present in all the videos, called speaker’s confidence (SC), could be predicted by a list of features that contribute to perceptual video quality. Two prediction models, one based on artificial neural network and the other based on a decision tree, were built to predict SC. Experimental results have shown that both prediction models can result in high correlation measures.

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Abdul Hameed, Benjamin Balas, and Rui Dai "Thin-slice vision: inference of confidence measure from perceptual video quality," Journal of Electronic Imaging 25(6), 060501 (21 December 2016). https://doi.org/10.1117/1.JEI.25.6.060501

Received: 22 June 2016; Accepted: 5 December 2016; Published: 21 December 2016

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KEYWORDS

Video

Video compression

Telecommunications

Systems modeling

Visual process modeling

Artificial neural networks

Molybdenum

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