A CFG Based Automated Search Method of an Optimal Transcoding Path for Application Independent Digital Item Adaptation in Ubiquitous Environment


The KIPS Transactions:PartB , Vol. 12, No. 3, pp. 313-322, Jun. 2005
10.3745/KIPSTB.2005.12.3.313,   PDF Download:

Abstract

In order to access digital items in a server via ubiquitous devices, the digital items should be adapted according to the system environment, device characteristics and user preferences. In ubiquitous environment, those device-dependent adaptation requirements are not statically determined and not predictable. Therefore an application specific adaptation mechanism can not be applied to a general digital item adaptation engine. In this paper, we propose an application independent digital item adaptation architecture which has a set of minimal transcoders, transcoding path generator for a required adaptation requirement, and adaptation scheduler. And a CFG based method of finding a sequence of multiple unit transcoders called a transcoding path is described in detail followed by experimental results.


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Cite this article
[IEEE Style]
S. M. Chon and Y. H. Lim, "A CFG Based Automated Search Method of an Optimal Transcoding Path for Application Independent Digital Item Adaptation in Ubiquitous Environment," The KIPS Transactions:PartB , vol. 12, no. 3, pp. 313-322, 2005. DOI: 10.3745/KIPSTB.2005.12.3.313.

[ACM Style]
Sung Mi Chon and Young Hwan Lim. 2005. A CFG Based Automated Search Method of an Optimal Transcoding Path for Application Independent Digital Item Adaptation in Ubiquitous Environment. The KIPS Transactions:PartB , 12, 3, (2005), 313-322. DOI: 10.3745/KIPSTB.2005.12.3.313.