Video quality evaluation for mobile applications

被引：40

作者：

Winkler, S ^{[1
]}

Dufaux, F ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Audiovisual Commun Lab, CH-1015 Lausanne, Switzerland

来源：

VISUAL COMMUNICATIONS AND IMAGE PROCESSING 2003, PTS 1-3 | 2003年 / 5150卷

关键词：

quality assessment; SSCQE; MPEG-4; motion JPEG2000; wireless networks; WCDMA;

D O I：

10.1117/12.509910

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

dThis paper presents the results of a quality evaluation of video sequences encoded for and transmitted over a wireless channel. We selected content, codecs, bitrates and bit error patterns representative of mobile applications, focusing on the MPEG-4 and Motion JPEG2000 coding standards. We carried out subjective experiments using the Single Stimulus Continuous Quality Evaluation (SSCQE) method on this test material. We analyze the subjective data and use them to compare codec performance as well as the effects of transmission errors on visual quality. Finally, we use the subjective ratings to validate the prediction performance of a real-time non-reference quality metric.

引用

页码：593 / 603

页数：11

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