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Development of an integrated interface between SAGE and Ultragrid
Iglesias Gracia, Francisco Javier
Universitat Politècnica de Catalunya. Departament d'Enginyeria Telemàtica; Alcober Segura, Jesús Ángel
In this document the Master thesis called “Development of an integrated interface between SAGE and Ultragrid” is presented. During this document, new users’ and companies’ necessities, that come from the knowledge sharing to the productivity improvements, in the scope of the advanced tools for videoconferencing are set out. From these new necessities and after the analysis of the state of the art in videoconference and high definition, a new technological challenge to solve these necessities appears. During the master a novel design is set out, a design for a new kind of High Definition (uncompressed HD-SDI) videoconferencing system fully adaptable and scalable. By joining different technologies of distributed visualization and technologies of advanced streaming of high definition audiovisual contents over IP networks, a new prototype has been deployed, able to solve the new technological requirements. The new deployed system is able to visualize several HD-SDI streams simultaneously in a unique application. Also the new transmission/visualization module, allows to divide the HD-SDI stream in different self-content substreams, in order to give to the receptor user the possibility to choose, according his capabilities, the number of sub-streams that will be able to receive and process. This procedure will allow the user to always work with the best quality he is able to. The result of the thesis has been a high definition multi-videoconference low latency system, able to work point to multi-point where each user receive different resolutions, without transcoding. Finally, the obtained results have been analyzed, opening new research lines, and possible system improvements has been raised.
Àrees temàtiques de la UPC::Enginyeria electrònica i telecomunicacions::Processament del senyal::Processament de la imatge i del senyal vídeo
High definition video recording
Future Internet
Media layer
Imatges -- Processament de dades -- Tècniques digitals
Attribution-NonCommercial-ShareAlike 3.0 Spain
Universitat Politècnica de Catalunya

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Miguélez Ortiz, Xavier; Iglesias Gracia, Francisco Javier; Lorente Adamuz, Pedro; Alcober Segura, Jesús Ángel; Serra Hurtado, Arturo; Sallent Ribes, Sebastián