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Sociedade Brasileira de Telecomunicações

2015 - XXXIII Simpósio Brasileiro de Telecomunicações

Detecção automática de pulso cardíaco utilizando imagens de vídeo

The blood flow through the skin of an individual changes the way that light is irradiated. This pulse can be captured by a video camera allowing, by proces...

SBrT 2015

Estimação de movimento com medidas de dispersão do resíduo de predição

— Block motion estimation is used in most video codecs to exploit temporal redundancy between frames. It usually evaluates some sort of distance metrics su...

SBrT 2015

Reduced Rank Adaptive Filter with Variable Step Size for Impulsive UWB PLC Systems

This paper addresses the reception of UWB symbol in an impulsive UWB PLC system. Regarding this topic, it is introduced the use of the Delta-Rule-Delta tec...

SBrT 2015

Método para Atenuar a Degradação da Qualidade em Vídeo Streaming sobre IP

Video streaming over IP is one of the applications with highest growth rate. In many cases, the quality of service in access networks is limited, which ten...

SBrT 2015

An Adaptive Equalizer to Reduce the Nonlinear Distortion Effects in Satellite Broadcasting Systems

This article presents the BER performance improvements achieved when adopting Adaptive Equalization based on Decision Feedback Equalizer (DFE) to tackle the...

SBrT 2015