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Reading the fine print: the effect of text legibility on perceived video quality in mobile tv

Published: 23 October 2006 Publication History

Abstract

Mobile TV services are available in an increasing number of countries. For cost reasons, most of these services offer material directly recoded for mobile consumption (i.e. without additional editing). This paper reports the findings of a study on the influence of text legibility and quality on the perceived video quality of mobile TV content. The study, with 64 participants, examined responses to news footage presented at four image resolutions and seven video encoding bitrates. The results showed that a simulated separate delivery of a news ticker and other textual information significantly increased the perceived video quality of the entire screen for native speakers. In addition, some automatable changes to the layout of news content resulted in substantial increases in perceived video quality. The results can be used to quantify the perceived quality gains when considering text delivery separately from the video stream and in the development of more accurate multimedia quality models.

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Knoche, H., McCarthy, J., Sasse, M.A. Can Small Be Beautiful? Assessing Image Resolution Requirements for Mobile TV in Proc.of ACM Multimedia 2005, p. 829--38, ACM, 2005
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    cover image ACM Conferences
    MM '06: Proceedings of the 14th ACM international conference on Multimedia
    October 2006
    1072 pages
    ISBN:1595934472
    DOI:10.1145/1180639
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    New York, NY, United States

    Publication History

    Published: 23 October 2006

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    Author Tags

    1. mobile TV
    2. text quality
    3. video quality assessment

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    MM06
    MM06: The 14th ACM International Conference on Multimedia 2006
    October 23 - 27, 2006
    CA, Santa Barbara, USA

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    Overall Acceptance Rate 2,145 of 8,556 submissions, 25%

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    • (2018)Quality of Experience Factors for Mobile TV UsersDigital Multimedia10.4018/978-1-5225-3822-6.ch024(473-496)Online publication date: 2018
    • (2016)Quality of Experience Factors for Mobile TV UsersEmerging Research on Networked Multimedia Communication Systems10.4018/978-1-4666-8850-6.ch010(309-332)Online publication date: 2016
    • (2013)Investigating Text Legibility in Mobile UIProceedings of International Conference on Making Sense of Converging Media10.1145/2523429.2523438(304-306)Online publication date: 1-Oct-2013
    • (2011)A survey on user studies and technical aspects of mobile multimedia applicationsEntertainment Computing10.1016/j.entcom.2011.02.0012:3(175-190)Online publication date: Jan-2011
    • (2010)Adaptive video and metadata display using multimedia documentsProceedings of the 2010 ACM workshop on Social, adaptive and personalized multimedia interaction and access10.1145/1878061.1878074(37-40)Online publication date: 29-Oct-2010
    • (2009)The big picture on small screens delivering acceptable video quality in mobile TVACM Transactions on Multimedia Computing, Communications, and Applications10.1145/1556134.15561375:3(1-27)Online publication date: 14-Aug-2009
    • (2009)A comprehensive view on user studiesProceedings of the 7th European Conference on Interactive TV and Video10.1145/1542084.1542121(179-188)Online publication date: 3-Jun-2009
    • (2009)Near-to-Eye Display—An Accessory for Handheld Multimedia Devices: Subjective StudiesJournal of Display Technology10.1109/JDT.2009.20250565:9(358-367)Online publication date: Sep-2009
    • (2009)Media Browsing for Mobile Devices Based on Resolution Adaptive RecommendationProceedings of the 2009 WRI International Conference on Communications and Mobile Computing - Volume 0310.1109/CMC.2009.124(285-290)Online publication date: 6-Jan-2009
    • (2009)From One to Many Boxes: Mobile Devices as Primary and Secondary ScreensMobile TV: Customizing Content and Experience10.1007/978-1-84882-701-1_22(327-348)Online publication date: 15-Oct-2009
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