The main objective of this study was to enhance the performance of sleep stage
classification using single-channel electroencephalograms (EEGs), which are highly …

In the pursuit of highly effective and efficient portable sleep classification systems,
researchers have been testing a massive number of combinations of EEG features and …

In this paper, a TV-based shearlet shrinkage is proposed for discontinuity-preserving
denoising using a combination of shearlet with a total variation scheme. For TV denoising …

Um método de extração de características e reconhecimento de padrões de imagens de
tomografia de pulmão é proposto a partir da aplicação da transformada wavelet de Haar 2D …

Sleep deprivation is a public health problem which must be carefully examined and treated.
Several studies have proposed automatic methods aiming to identify when a person falls …

[AD79a] Dirk Aerts and Ingrid Daubechies. About the structure-preserving maps of a
quantum mechanical propositional system. Helvetica Physica Acta, 51 (5–6): 637–660 …

This work presents interval arithmetic extensions for the standard algorithms for the
decimated and undecimated unidimensional Haar wavelet transform (HWT), and the …

AUTOR: THIAGO LOPES TRUGILLO DA SILVEIRA ORIENTADORA: ALICE DE JESUS
KOZAKEVICIUS CO-ORIENTADOR: CESAR RAMOS RODRIGUES Local da Defesa e Data …

O presente artigo aborda o tópico de filtragem de sinais via limiarização de coeficientes
wavelets. É apresentada uma revisão dos principais resultados da área, desde os artigos …