Browsing by Author "n 90698394 "
Now showing items 81-100 of 116
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Ordered clustering: A way to simplify analysis of multichannel signals
Rabiller, P.; Boles, P.; Boashash, B. ( IEEE , 2010 , Conference Paper)We describe here new possibilities offered by a clustering method routinely used by many petroleum companies and which could be used in other applications where analysis of multichannel signals has a significant role ... -
Orthogonalized partial directed coherence for functional connectivity analysis of newborn EEG
Omidvarnia A.H.; Azemi G.; Boashash B.; O'Toole J.M.; Colditz P.; Vanhatalo S.... more authors ... less authors (2012 , Conference Paper)The aim of this study is to develop a time-frequency method and test its applicability to investigating directional cortical connectivity in the newborn brain considering the effect of volume conduction. We modified ... -
Passive detection of accelerometer-recorded fetal movements using a time–frequency signal processing approach
Boashash, B.; Khlif, M.S.; Ben-Jabeur, T.; East, C.E.; Colditz, P.B. ( Elsevier , 2014 , Article)This paper describes a multi-sensor fetal movement (FetMov) detection system based on a time–frequency (TF) signal processing approach. Fetal motor activity is clinically useful as a core aspect of fetal screening for ... -
Performance evaluation of multi-component instantaneous frequency estimation techniques for heart rate variability analysis
Dong S.; Azemi G.; Lingwood B.; Colditz P.B.; Boashash B. (2012 , Conference Paper)Accurate instantaneous frequency (IF) estimation of the non-stationary heart rate signal is important in quantifying the heart rate variability (HRV) measures. This study compares the effectiveness of four IF estimation ... -
Preparing and educating the Arab Qatari engineer of 2030
Hasna , Mazen; Hamouda A.; Boashash B. ( American Society for Engineering Education , 2010 , Conference Paper)This paper addresses the issue of adapting Engineering Education to a changing situation in Qatar, a small country that is part of the Arab Gulf Cooperation Council. It presents the framework for a national project planned ... -
Principles of excellence in Engineering education applied to GCC/MENA Engineering Colleges and comparison with Australia and France: A thesis with analysis, results, observations
Boashash B. (2013 , Conference Paper)This invited paper aims at reviewing the current status of Engineering education in the GCC countries and proposing a few guidelines for reform and improvement. The principles applied to this process have been developed ... -
Principles of time-frequency feature extraction for change detection in non-stationary signals: Applications to newborn EEG abnormality detection
Boashash B.; Azemi G.; Ali Khan N. ( Elsevier Ltd , 2015 , Article)This paper considers the general problem of detecting change in non-stationary signals using features observed in the time-frequency (t,f) domain, obtained using a class of quadratic time-frequency distributions (QTFDs). ... -
R-wave detection: A comparative analysis of four methods using newborn piglet ECG
Shiying, D.; Fangfei, X.; Lingwood, B.; Mesbah, M.; Boashash, B. ( IEEE , 2010 , Conference Paper)In the electrocardiograph (ECG), R-wave is the positive upward deflection in the QRS complex which represents the depolarization of both left and right ventricles. Accurate detection of the R-wave peaks in the ECG plays a ... -
Radar fall detection using principal component analysis
Jokanovic, Branka; Amin, Moeness; Ahmad, Fauzia; Boashash, B. ( SPIE , 2016 , Conference Paper)Falls are a major cause of fatal and nonfatal injuries in people aged 65 years and older. Radar has the potential to become one of the leading technologies for fall detection, thereby enabling the elderly to live independently. ... -
Radar fall detectors: A comparison
Erol, Baris; Amin, Moeness; Ahmad, Fauzia; Boashash, B. ( SPIE , 2016 , Conference Paper)Falls are a major cause of accidents in elderly people. Even simple falls can lead to severe injuries, and sometimes result in death. Doppler fall detection has drawn much attention in recent years. Micro-Doppler signatures ... -
A radon wigner ville based image dissimilarity measure
Saleem, A.; Beghdadi, A.; Chetouani, A.; Boashash, B. ( IEEE , 2011 , Conference Paper)In this paper, we introduce a radon wigner ville based image dissimilarity measure. The proposed Image distortion measure aims to combine the useful properties of the wigner ville and the directionality of the finite Radon ... -
Range-Doppler radar sensor fusion for fall detection
Erol, Baris; Amin, Moeness G.; Boashash, B. ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Falls are the major cause of accidents in the elderly population. Propelled by their non-intrusive sensing capabilities and robustness to heat and lighting conditions, radar-based automated fall detection systems have ... -
Refining the ambiguity domain characteristics of non-stationary signals for improved time–frequency analysis: Test case of multidirectional and multicomponent piecewise LFM and HFM signals
Boashash, Boualem; Jawad, Brahim K.; Ouelha, Samir ( Elsevier Inc. , 2018 , Article)This paper aims at providing a more accurate description of the ambiguity domain characteristics of a piecewise multicomponent non-stationary signals with focus on piece-wise linear frequency modulated (LFM) (PW-LFM) signal ... -
Robust multisensor time–frequency signal processing: A tutorial review with illustrations of performance enhancement in selected application areas
Boashash B.; Aïssa-El-Bey, A ( Elsevier Inc. , 2018 , Article)This paper presents high-resolution multisensor time–frequency distributions (MTFDs) and their applications to the analysis of multichannel non-stationary signals. The approach combines high-resolution time–frequency ... -
Signal content estimation based on the short-term time-frequency Rényi entropy of the S-method time-frequency distribution
Saulig, N.; Sucic, V.; Stanković, S.; Orović, I.; Boashash, B. (2012 , Conference Paper)A key characteristic of a nonstationary signal, when analyzed in the time-frequency domain, is the signal complexity, quantified as the number of components in the signal. This paper describes a method for the estimation ... -
Surrogate data test for nonlinearity of EEG signals: A newborn EEG burst suppression case study
Mirzaei, Parisa; Azemi, Ghasem; Japaridze, Natia; Boashash, B. ( Elsevier Inc. , 2017 , Article)This paper applies the surrogate data method to investigate the presence of nonlinearity in neonatal electroencephalogram (EEG) burst suppression (B/S) patterns in order to rationalize the use of nonlinear methods for ... -
The time-frequency approach: Essence and terminology
Boashash B. ( Elsevier Inc. , 2015 , Book chapter)[No abstract available] -
Theory and design of high-resolution quadratic TFDs
Boashash, B. ( Elsevier Inc. , 2016 , Book chapter)The quadratic time-frequency distributions (TFDs) introduced in the previous chapter represent the majority of traditional time-frequency ((t,f)) methods used in practical applications that deal with nonstationary signals. ... -
Time frequency and array processing of non-stationary signals
Belouchrani A.; Abed-Meraim K.; Boashash B. (2012 , Article)The special issue of EURASIP Journal on Advances in Signal Processing 2012 focuses on the synergistic relationship between time-frequency methods and array signal processing methods and addresses recent developments. In ... -
Time frequency signal analysis and processing toolbox update 6.2: An enhanced research platform with new advanced high-resolution TFDs
Boashash, B.; Mubeen, G. ( IEEE , 2013 , Conference Paper)This paper describes the advancements, updates and improvements made in the new Time Frequency Signal Analysis TFSAP toolbox as compared with the previous TFSA toolbox version. The updates and improvements done in TFSA ...