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Inventi Impact - Digital Multimedia Broadcasting

Articles

  • Inventi:edmb/60/14
    A MODEL FOR VIDEO QUALITY ASSESSMENT CONSIDERING PACKET LOSS FOR BROADCAST DIGITAL TELEVISION CODED IN H.264
    Jose Joskowicz, Rafael Sotelo

    This paper presents a model to predict video quality perceived by the broadcast digital television (DTV) viewer. We present how noise on DTV can introduce individual transport stream (TS) packet losses at the receiver. The type of these errors is different than the produced on IP networks. Different scenarios of TS packet loss are analyzed, including uniform and burst distributions. The results show that there is a high variability on the perceived quality for a given percentage of packet loss and type of error. This implies that there is practically no correlation between the type of error or the percentage of packets loss and the perceived degradation. A new metric is introduced, theweighted percentage of slice loss, which takes into account the affected slice type in each lost TS packet.We showthat this metric is correlated with the video quality degradation.Anovel parametric model for video quality estimation is proposed, designed, and verified based on the results of subjective tests in SD and HD. The results were compared to a standard model used in IP transmission scenarios. The proposed model improves Pearson Correlation and root mean square error between the subjective and the predicted MOS.

    How to Cite this Article
    CC Compliant Citation: Jose Joskowicz and Rafael Sotelo, “A Model for Video Quality Assessment Considering Packet Loss for Broadcast Digital Television Coded in H.264,” International Journal of Digital Multimedia Broadcasting, vol. 2014, Article ID 242531, 11 pages, 2014. doi:10.1155/2014/242531. Copyright © 2014 Jose Joskowicz and Rafael Sotelo. This is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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