Jae-Gon Kim, Yong Wang, S.F. Chang. Content-Adaptive Utility-Based Video Adaptation. In IEEE International Conference on Multimedia and Expo (ICME), Baltimore, Maryland, July 2003.
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Many techniques exist for adapting videos to satisfy heterogeneous resource conditions or user preferences. However, selections of adaptation methods among various choices are often ad hoc. To provide a systematic solution, we present a general conceptual framework to model video entity, adaptation, resource, utility, and relations among them. The framework extends the conventional rate-distortion model in terms of flexibility and generality. It allows for formulation of various adaptation problems as resource-constrained utility maximization. It also facilitates new approaches to predicting critical information about resource-utility relations. We apply the framework to a practical case in dynamic bit rate adaptation. Furthermore, we present a description tool, which has been accepted as part of the Committee Draft (CD) of the MPEG-21 Digital Item Adaptation (DIA)
Jae-Gon Kim 
Yan Wang
Yong Wang
Shih-Fu Chang
@InProceedings{dvmmPub70,
Author = {Kim, Jae-Gon and Wang, Yong and Chang, S.F.},
Title = {Content-Adaptive Utility-Based Video Adaptation},
BookTitle = {IEEE International Conference on Multimedia and Expo (ICME)},
Address = {Baltimore, Maryland},
Month = {July},
Year = {2003}
}
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