DocumentCode :
2388137
Title :
Audiovisual quality assessment in communications applications: Current status, trends and challenges
Author :
Korhonen, Jari
Author_Institution :
Dept. of Photonics Eng., Tech. Univ. of Denmark, Lyngby, Denmark
fYear :
2010
fDate :
6-8 Dec. 2010
Firstpage :
1
Lastpage :
4
Abstract :
Audiovisual quality assessment is one of the major challenges in multimedia communications. Traditionally, algorithm-based (objective) assessment methods have focused primarily on the compression artifacts. However, compression is only one of the numerous factors influencing the perception. In communications applications, transmission errors, including packet losses and bit errors, can be a significant source of quality degradation. Also the environmental factors, such as background noise, ambient light and display characteristics, pose an impact on perception. A third aspect that has not been widely addressed in practical quality metrics is the co-impact of audio and video qualities. This paper provides an overview of the current trends and challenges in objective audiovisual quality assessment, with emphasis on communications applications.
Keywords :
audio coding; audio-visual systems; data compression; multimedia communication; video coding; algorithm-based assessment method; audiovisual quality assessment; background noise; bit error; display characteristics; environmental factor; multimedia communication; packet loss; quality degradation; quality metrics; transmission error; Analytical models; Artificial neural networks; Biomedical imaging; Context;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Intelligent Signal Processing and Communication Systems (ISPACS), 2010 International Symposium on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-7369-4
Type :
conf
DOI :
10.1109/ISPACS.2010.5704602
Filename :
5704602
Link To Document :
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