Estimating the effect of context on QoE of audiovisual services: Laboratory vs. public places

Toni Mäki; Martín Varela; Jukka-Pekka Laulajainen

Estimating the effect of context on QoE of audiovisual services: Laboratory vs. public places

Toni Mäki, Martín Varela, Jukka-Pekka Laulajainen

VTT Technical Research Centre of Finland

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

3 Citations (Scopus)

Abstract

Multimedia service providers and operators need tools that can estimate the quality of the services delivered to their end-customers. To this end, a variety of quality prediction models has been developed. The models are typically built and trained based on data acquired from user studies conducted in laboratories with precisely defined conditions. While laboratory originated data is accurate and reliable, the performance of Quality of Experience (QoE) models could be possibly further improved by taking into account the real context of use. Working towards that goal, in this paper, we compare results of a laboratory audiovisual quality subjective study and two smaller scale user studies conducted in public place. We also discuss our approach of enhancing the prediction accuracy with context-specific bias functions.

Original language	English
Title of host publication	Proceedings
Subtitle of host publication	International Conference on Smart Communications in Network Technologies, SaCoNeT 2013
Publisher	IEEE Institute of Electrical and Electronic Engineers
Pages	1-6
ISBN (Electronic)	978-1-4799-0694-9
Publication status	Published - 2013
MoE publication type	Not Eligible
Event	International Conference on Smart Communications in Network Technologies, SaCoNeT 2013 - Paris, France Duration: 17 Jun 2013 → 19 Jun 2013

Conference

Conference	International Conference on Smart Communications in Network Technologies, SaCoNeT 2013
Abbreviated title	SaCoNeT 2013
Country	France
City	Paris
Period	17/06/13 → 19/06/13

Keywords

QoE
subjective assessment

Access to Document

http://dx.doi.org/10.1109/SaCoNeT.2013.6654556

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Cite this

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title = "Estimating the effect of context on QoE of audiovisual services: Laboratory vs. public places",

abstract = "Multimedia service providers and operators need tools that can estimate the quality of the services delivered to their end-customers. To this end, a variety of quality prediction models has been developed. The models are typically built and trained based on data acquired from user studies conducted in laboratories with precisely defined conditions. While laboratory originated data is accurate and reliable, the performance of Quality of Experience (QoE) models could be possibly further improved by taking into account the real context of use. Working towards that goal, in this paper, we compare results of a laboratory audiovisual quality subjective study and two smaller scale user studies conducted in public place. We also discuss our approach of enhancing the prediction accuracy with context-specific bias functions.",

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author = "Toni M{\"a}ki and Mart{\'i}n Varela and Jukka-Pekka Laulajainen",

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Mäki, T, Varela, M & Laulajainen, J-P 2013, Estimating the effect of context on QoE of audiovisual services: Laboratory vs. public places. in Proceedings: International Conference on Smart Communications in Network Technologies, SaCoNeT 2013. IEEE Institute of Electrical and Electronic Engineers, pp. 1-6, International Conference on Smart Communications in Network Technologies, SaCoNeT 2013, Paris, France, 17/06/13. <http://dx.doi.org/10.1109/SaCoNeT.2013.6654556>

Estimating the effect of context on QoE of audiovisual services : Laboratory vs. public places. / Mäki, Toni; Varela, Martín; Laulajainen, Jukka-Pekka.

Proceedings: International Conference on Smart Communications in Network Technologies, SaCoNeT 2013. IEEE Institute of Electrical and Electronic Engineers, 2013. p. 1-6.

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

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AU - Varela, Martín

AU - Laulajainen, Jukka-Pekka

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N2 - Multimedia service providers and operators need tools that can estimate the quality of the services delivered to their end-customers. To this end, a variety of quality prediction models has been developed. The models are typically built and trained based on data acquired from user studies conducted in laboratories with precisely defined conditions. While laboratory originated data is accurate and reliable, the performance of Quality of Experience (QoE) models could be possibly further improved by taking into account the real context of use. Working towards that goal, in this paper, we compare results of a laboratory audiovisual quality subjective study and two smaller scale user studies conducted in public place. We also discuss our approach of enhancing the prediction accuracy with context-specific bias functions.

AB - Multimedia service providers and operators need tools that can estimate the quality of the services delivered to their end-customers. To this end, a variety of quality prediction models has been developed. The models are typically built and trained based on data acquired from user studies conducted in laboratories with precisely defined conditions. While laboratory originated data is accurate and reliable, the performance of Quality of Experience (QoE) models could be possibly further improved by taking into account the real context of use. Working towards that goal, in this paper, we compare results of a laboratory audiovisual quality subjective study and two smaller scale user studies conducted in public place. We also discuss our approach of enhancing the prediction accuracy with context-specific bias functions.

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