Methods based on wavelets for time delay estimation of ultrasound signals
C Guetbi, D Kouamé, A Ouahabi… - 1998 IEEE International …, 1998 - ieeexplore.ieee.org
It is well known that classical time delay estimation gives an inexact estimation of the true
delay between two signals delayed by non integral multiple of the sample period. For more …
delay between two signals delayed by non integral multiple of the sample period. For more …
New emboli detection methods [Doppler ultrasound]
C Guetbi, D Kouame, A Ouahabi… - … Symposium (Cat. No …, 1997 - ieeexplore.ieee.org
Particle aggregates carried by the blood flow can lead to serious pathologies. To anticipate
vascular cerebral accidents, it is important to be able to detect the smallest possible size. The …
vascular cerebral accidents, it is important to be able to detect the smallest possible size. The …
Flow velocity estimation using ultrasound signals and wavelet transformation
C Guetbi, D Kouamé, A Ouahabi… - … '98. Proceedings of …, 1998 - ieeexplore.ieee.org
… Although the narrowband model is generally valid for radar applications since the celerity c
is quite … Let x(t) and y(t) be the signal received bythetwo transducers, and C,(z) and C,(d their …
is quite … Let x(t) and y(t) be the signal received bythetwo transducers, and C,(z) and C,(d their …
Multiphase pipe flow velocity measurement in strong colored noisy Doppler ultrasound: parametric and non parametric approaches
D Kouamé, C Guetbi, JP Remenieras… - … Symposium (Cat. No …, 1997 - ieeexplore.ieee.org
Real time flow velocity measurement is a problem of considerable practical interest in
industrial and biomedical applications. Due to their good frequency resolution, parametric …
industrial and biomedical applications. Due to their good frequency resolution, parametric …
[CITATION][C] Détection d'Emboles par Analyse Paramétrique du Signal Doppler
D Kouamé, JM Girault, C Guetbi… - … et Technologie en …, 1998 - hal.science
Détection d’Emboles par Analyse Paramétrique du Signal Doppler - Archive ouverte HAL
Accéder directement au contenu Documentation FR Français (FR) Anglais (EN) Se connecter …
Accéder directement au contenu Documentation FR Français (FR) Anglais (EN) Se connecter …
[PDF][PDF] Résultats nouveaux en analyse spectrale de signaux aléatoirement échantillonnés
A Ouahabi, C Depollier, L Simon, C Guetbi… - GRETSI 97: seizième …, 1997 - academia.edu
Dans cet article, nous proposons une nouvelle méthode d'estimation spectrale de signaux
échantillonnés selon une loi de Poisson. Notre approche est fondée sur une interpolation …
échantillonnés selon une loi de Poisson. Notre approche est fondée sur une interpolation …
Micro-emboli detection: an ultrasound Doppler signal processing viewpoint
JM Girault, D Kouamé, A Ouahabi… - IEEE Transactions on …, 2000 - ieeexplore.ieee.org
… Another technique, recently introduced by Guetbi et al. [8] and Lui et al. [9], is wavelet …
Later a preliminary study applied to emboli detection was proposed by our research group (Guetbi …
Later a preliminary study applied to emboli detection was proposed by our research group (Guetbi …
[CITATION][C] Emboli Detection through Isolation of Non-Stationarities in Doppler Signal
D Kouamé, JM Girault, C Guetbi, JP Remenieras… - EUROSON …, 1998 - hal.science
Emboli Detection through Isolation of Non-Stationarities in Doppler Signal - Archive ouverte HAL
Accéder directement au contenu Documentation FR Français (FR) Anglais (EN) Se connecter …
Accéder directement au contenu Documentation FR Français (FR) Anglais (EN) Se connecter …
[CITATION][C] Nouveaux outils de traitement du signal pour l'estimation de retad et de fréquence en débimétrie ultrasonore
C GUETBI - pnst.cerist.dz
… Auteur GUETBI, Cheikh …
[CITATION][C] Detection d'emboles par isolation de non-stationarites du signal Doppler
D Kouame, JM Girault, C Guetbi, JP Remenieras… - European Journal of …, 1998