Eduardo Martínez Graciá

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People are increasingly demanding rich-media and bundled services. However, the diverse terminals, heterogeneous networks as well as various user requirements constrain the multimedia access to low quality in the pervasive computing environment. In order to enable rich-media delivery across a wide range of devices and networks, multimedia adaptation with(More)
H.264/SVC enables runtime-efficient scalability in the spatial, temporal and fidelity dimension. Existing adaptation mechanisms facilitate this to automatically adapt the H.264/ SVC stream to the current usage environment without any user interaction. This paper argues that the Quality of Experience (QoE) of the end user can be enhanced by enabling him to(More)
The use of Information and Communication Technologies (ICT) has gained its prominence in the building of educational collaborative environments providing new ways of knowledge acquisition. With the aim of obtaining a system which fits with the educational purposes, it is necessary to join pedagogical and technical efforts. In this paper we are going to deal(More)
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