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Sociedade Brasileira de Telecomunicações


Aplicação do Algoritmo ISAT na Superamostragem de Sinais Bidimensionais

There are numerous methods to increase pixel density in an image, many of them based in its frequency com- ponents, others based in computational intellige...

SBrT 2012


An Adequate Objective Performance Evaluation of Dirac Video Codec Compared to H.264/AVC

Dirac, a relevant new open wavelet-based video codec, has been released recently. The main contribution of this paper is an adequate performance evaluation...

SBrT 2010


FPGA implementation of a de-noising using Haar level 5 wavelet transform

This paper proposes an implementation in Field Programmable Gate Array (FPGA) of a de-noising using Haar wavelet transform. For this a signal with noise wa...

SBrT 2017


Predição não-linear de amostras com tabulação adaptativa in situ

A predição de séries temporais é uma atividade de extrema importância que encontra diversas aplicações no campo do processamento de sinais. Geralmente, os m...

SBrT 2011


Radar Meteorológico com Antenas Fixas: Projeto e Analise de Detector Ótimo

In a recent paper, we have proposed a new lowcost framework for the construction of meteorological radars, by using two fixed widebeam antennas. In this wor...

SBrT 2013