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Sociedade Brasileira de Telecomunicações


Photonics-based dual-use Transceiver based on a single dual-band Antenna Array

The first dual use radio system for communication and radar operations based on photonics and exploiting a single dual-band slotted waveguide antenna array i...

SBrT 2016


Speaker Recognition Using Dynamic Features and The Null Space Combination of Classifiers in The Sub-band Domain

This paper investigates the inclusion of dynamic features in the input vectors used by the multiple classification scheme which employ the null space to co...

SBrT 2010


Lossless Multi-Grid Chain Code with Optimized Cell Usage for Contour Description of Visual Objects

In the context of object-based image compression, shape encoders that describe the contour of the objects, called chain codes, tend to be more efficient th...

SBrT 2010


Segregação de Voz Usando Mascaramento INM sobre o Banco de Filtros Gammatone

This paper presents an innovative approach that employs an ideal neighbourhood mask (INM) that has the ability to efficiently use Local Binary Pattern (LBP...

SBrT 2018


Comparação dos Atributos MFCC, SSCH e PNCC para Reconhecimento Robusto de Voz Contínua

Este artigo compara o desempenho do reconhecimento de voz contínua – corrompida por ruído aditivo – utilizando três tipos de atributos: MFCC, SSCH e PNCC. ...

SBrT 2011