PERCEPTUAL QUALITY OF VIDEO WITH QUANTIZATION VARIATION : A SUBJECTIVE STUDY AND ANALYTICAL MODELING

被引：0

作者：

Ou, Yen-Fu ^{[1
]}

Zeng, Huiqi ^{[1
]}

Wang, Yao ^{[1
]}

机构：

[1] NYU, Dept Elect & Comp Engn, Polytech Inst, Brooklyn, NY 11210 USA

来源：

2012 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP 2012) | 2012年

关键词：

perceptual video quality; temporal variation; quality metrics;

D O I：

暂无

中图分类号：

TB8 [摄影技术];

学科分类号：

0804 ;

摘要：

This work investigates the impact of temporal variation of quantization stepsize (QS) on perceptual video quality. Among many dimensions of QS variation, as a first step we focus on videos in which two QS's, alternate over fixed intervals. We present subjective test results, and analyze the influence of several factors (including the QS difference, QS ratio, changing intervals, and video content). According the observation and data analysis, we propose analytical models that relate the perceived quality with the two QS's. Such quality assessment and modeling are essential in making video adaptation decisions when delivering video over dynamically changing wireless links.

引用

页码：1505 / 1508

页数：4

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