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Sociedade Brasileira de Telecomunicações


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


Reconhecimento de Voz Contínua com Atributos PNCC e Métodos de Robustez WD e MAP

The degradation of the speech signal due to adverse conditions generates low accuracy rates in speech recognition systems. The authors propose mixing two m...

SBrT 2013