Continuous quality assessment of digitally-coded television pictures

被引：10

作者：

Aldridge, RP ^{[1
]}

Hands, DS

Pearson, DE

Lodge, NK

机构：

[1] Univ Essex, Dept Elect Syst Engn, Colchester CO4 3SQ, Essex, England

[2] Univ Essex, Dept Psychol, Colchester CO4 3SQ, Essex, England

[3] Independent TV Commiss, Winchester SO23 7QA, Hants, England

来源：

IEE PROCEEDINGS-VISION IMAGE AND SIGNAL PROCESSING | 1998年 / 145卷 / 02期

关键词：

coding distortion; digital video; picture quality evaluation;

D O I：

10.1049/ip-vis:19981843

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Experimental tests are reported of the use of the ITU-R single-stimulus continuous quality evaluation (SSCQE) method to measure the quality of long (24 min) sequences of digitally coded constant bit-rate video, with and without audio. The results indicate that the method is reliable and free from drift and fatigue effects. The relationship between continuously-judged quality and overall quality judgements, made at the end of the sequences, is shown to be disproportionately influenced by negative SSCQE peaks and relatively little by their duration. The implication of these results for digital television coding and transmission is considered.

引用

页码：116 / 123

页数：8