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Impact of zooming and enhancing region of interests for optimizing user experience on mobile sports video

Published: 25 October 2010 Publication History

Abstract

In mobile videos, small viewing size and bitrate limitation often cause unpleasant viewing experiences, which is particularly important for fast-moving sports videos. For optimizing the overall user experience of viewing sports videos on mobile phones, this paper explores the benefits of emphasizing Region of Interest (ROI) by 1) zooming in and 2) enhancing the quality. The main goal is to measure the effectiveness of these two approaches and determine which one is more effective. To obtain a more comprehensive understanding of the overall user experience, the study considers user's interest in video content and user's acceptance of the perceived video quality, and compares the user experience in sports videos with other content types such as talk shows. The results from a user study with 40 subjects demonstrate that zooming and ROI-enhancement are both effective in improving the overall user experience with talk show and mid-shot soccer videos. However, for the full-shot scenes in soccer videos, only zooming is effective while ROI-enhancement has a negative effect. Moreover, user's interest in video content directly affects not only the user experience and the acceptance of video quality, but also the effect of content type on the user experience. Finally, the overall user experience is closely related to the degree of the acceptance of video quality and the degree of the interest in video content. This study is valuable in exploiting effective approaches to improve user experience, especially in mobile sports video streaming contexts, whereby the available bandwidth is usually low or limited. It also provides further understanding of the influencing factors of user experience.

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    cover image ACM Conferences
    MM '10: Proceedings of the 18th ACM international conference on Multimedia
    October 2010
    1836 pages
    ISBN:9781605589336
    DOI:10.1145/1873951
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    Published: 25 October 2010

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    Author Tags

    1. ROI-enhancement
    2. acceptance of video quality
    3. interest in content
    4. user experience
    5. zooming

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    MM '10: ACM Multimedia Conference
    October 25 - 29, 2010
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    • (2020)Building stereoscopic zoomer via global and local warping optimizationIEEE Transactions on Computational Imaging10.1109/TCI.2020.3042891(1-1)Online publication date: 2020
    • (2019)Talking Video HeadsProceedings of the 27th ACM International Conference on Multimedia10.1145/3343031.3351045(2449-2458)Online publication date: 15-Oct-2019
    • (2017)Tell Me Where to LookProceedings of the 2017 CHI Conference on Human Factors in Computing Systems10.1145/3025453.3025757(2535-2545)Online publication date: 2-May-2017
    • (2017)Impact of automatic region-of-interest coding on perceived quality in mobile videoMultimedia Tools and Applications10.1007/s11042-015-3054-y76:1(785-813)Online publication date: 1-Jan-2017
    • (2016)The impact of gender on the Quality of Experience for video services2016 22nd International Conference on Automation and Computing (ICAC)10.1109/IConAC.2016.7604967(488-492)Online publication date: Sep-2016
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