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Sociedade Brasileira de Telecomunicações

2012 - XXX Simpósio Brasileiro de Telecomunicações



Codificador de Voz Pessoal

This article presents the development of a trans- mission system that uses a Personal Voice Encoder. Developed for use mainly in mobile cellular systems, t...

SBrT 2012


Protocolo Cooperativo de Rádio Cognitivo Explorando Retransmissões do Primário

This paper evaluates the use of cooperation in a cognitive overlay network, where the secondary link exploits the retransmissions of the primary link. We s...

SBrT 2012


Medida e Caracterização de Ambientes Indoor utilizando o algoritmo SAGE

High resolution algorithms such as SAGE (Space Alternating Generalized Expectation Maximization) may be used to obtain the time response from a communicati...

SBrT 2012


Multiscale Image Fusion Using the Undecimated Wavelet Transform With Non-Orthogonal Filter Banks

In this work a pixel-level multiscale image fusion framework is introduced which utilizes a new class of non- orthogonal filter banks. These filter banks w...

SBrT 2012


Métrica objetiva para avaliação do conforto na visualização de vídeos estereoscópicos

This article presents a method for automatically assessing the comfort associated with viewing stereoscopic videos based on the stereo vision geometry, to ...

SBrT 2012