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Mobile cinema: canonical processes for video adaptation

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Abstract

Nowadays, users not only want to watch digital videos on a PC but also use mobile devices to play back multimedia content. Video adaptation algorithms enable the visualization of recorded videos on mobile devices. Based on our Mobile Business system, we have developed a video adaptation application called Mobile Cinema which considers several characteristic features of mobile devices like screen resolution, bit rate or color depth of a display. The functionality of this system is high and it would be much easier to understand the system if the analysis and the design of the algorithms and the communication interfaces are based on predefined processes which we call canonical processes for media production. The definition of these processes would also make the comparison of two video adaptation applications or the exchange of modules between different systems much easier. In this paper, we describe the functionality and requirements of our existing video adaptation application and map them to the canonical processes for media production.

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Authors and Affiliations

  1. Department of Computer Science IV, University of Mannheim, Mannheim, Germany

    Stephan Kopf & Wolfgang Effelsberg

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  1. Stephan Kopf
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  2. Wolfgang Effelsberg
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Correspondence to Stephan Kopf.

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Kopf, S., Effelsberg, W. Mobile cinema: canonical processes for video adaptation. Multimedia Systems 14, 369–375 (2008). https://doi.org/10.1007/s00530-008-0135-z

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