Dynamic programming based adaptation of multimedia contents in UMA

Authors:
Truong Cong Thang;Yong Ju Jung;Yong Man Ro
Affiliations:
Multimedia Group, Information and Communication University (ICU), Daejeon, Korea;Multimedia Group, Information and Communication University (ICU), Daejeon, Korea;Multimedia Group, Information and Communication University (ICU), Daejeon, Korea
Venue:
PCM'04 Proceedings of the 5th Pacific Rim Conference on Advances in Multimedia Information Processing - Volume Part II
Year:
2004

Citing 3
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Abstract

Content adaptation is an effective solution to support the quality of service for multimedia services over heterogeneous networks. This paper deals with the accuracy and the real-time processing, two important issues in making decision on content adaptation. We present the content adaptation as a constrained optimization problem, considering both modality conversion and content scaling. To this problem, we propose an optimal algorithm and a fast approximation based on the Viterbi algorithm of dynamic programming. Through experiments, we show that the proposed algorithms can enable accurate adaptation decisions and can support the real-time requirement.