Quality models for audiovisual streaming

Truong Cong Thang; Young Suk Kim; Cheon Seog Kim; Yong Man Ro

doi:10.1117/12.643575

17 January 2006 Quality models for audiovisual streaming

Truong Cong Thang, Young Suk Kim, Cheon Seog Kim, Yong Man Ro

Proceedings Volume 6059, Image Quality and System Performance III; 605911 (2006) https://doi.org/10.1117/12.643575
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

Quality is an essential factor in multimedia communication, especially in compression and adaptation. Quality metrics can be divided into three categories: within-modality quality, cross-modality quality, and multi-modality quality. Most research has so far focused on within-modality quality. Moreover, quality is normally just considered from the perceptual perspective. In practice, content may be drastically adapted, even converted to another modality. In this case, we should consider the quality from semantic perspective as well. In this work, we investigate the multi-modality quality from the semantic perspective. To model the semantic quality, we apply the concept of "conceptual graph", which consists of semantic nodes and relations between the nodes. As an typical of multi-modality example, we focus on audiovisual streaming service. Specifically, we evaluate the amount of information conveyed by a audiovisual content where both video and audio channels may be strongly degraded, even audio are converted to text. In the experiments, we also consider the perceptual quality model of audiovisual content, so as to see the difference with semantic quality model.

Citation Download Citation

Truong Cong Thang, Young Suk Kim, Cheon Seog Kim, and Yong Man Ro "Quality models for audiovisual streaming", Proc. SPIE 6059, Image Quality and System Performance III, 605911 (17 January 2006); https://doi.org/10.1117/12.643575

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