Article: article from journal or magazin.
The matching pursuit: a new method of characterizing microembolic signals?
Ultrasound in Medicine and Biology
Journal Article --- Old month value: Jul
Detection of clinically silent circulating microemboli within cerebral arteries by transcranial Doppler ultrasound (US) is now being widely investigated in the hope of identifying patients at increased risk for stroke. However, the widespread application of embolus detection is still limited in clinical practice because current transcranial Doppler systems have not the required sensitivity and specificity to analyze microembolic signals, particularly to distinguish between gaseous, or solid brain emboli and artefacts. In this work, we proposed to investigate the potential of a new approach for the analysis of microembolic signals via the so-called matching pursuit, which is closely related to wavelet transform and is not subject to the same limitations as the fast Fourier transform. Our preliminary results clearly indicate that matching pursuit is well suited to this task.
Algorithms Artifacts Cerebral Arteries/ultrasonography Cerebrovascular Accident/ultrasonography Embolism, Air/ultrasonography Humans *Image Processing, Computer-Assisted Intracranial Embolism/*ultrasonography Sensitivity and Specificity *Ultrasonography, Doppler, Transcranial
Web of science
Last modification date