Publicacions CVCDisplays records where serial is equal to 15462024-03-28T23:53:26+01:00Publicacions CVCsi@cvc.uab.eshttp://refbase.cvc.uab.es/Web Reference Database (http://refbase.sourceforge.net)http://refbase.cvc.uab.es/img/favicon.icohttp://refbase.cvc.uab.es/img/logo.pnghttp://refbase.cvc.uab.es/show.php?where=serial%20%3D%201546&showRows=15&citeStyle=Chicago&exportType=xml&submit=Export&exportFormat=Atom%20XML111http://refbase.cvc.uab.es/show.php?record=1546
Image-based Cardiac Phase Retrieval in Intravascular Ultrasound Sequences
Longitudinal motion during in vivo pullbacks acquisition of intravascular ultrasound (IVUS) sequences is a major artifact for 3-D exploring of coronary arteries. Most current techniques are based on the electrocardiogram (ECG) signal to obtain a gated pullback without longitudinal motion by using specific hardware or the ECG signal itself. We present an image-based approach for cardiac phase retrieval from coronary IVUS sequences without an ECG signal. A signal reflecting cardiac motion is computed by exploring the image intensity local mean evolution. The signal is filtered by a band-pass filter centered at the main cardiac frequency. Phase is retrieved by computing signal extrema. The average frame processing time using our setup is 36 ms. Comparison to manually sampled sequences encourages a deeper study comparing them to ECG signals.
Image-based Cardiac Phase Retrieval in Intravascular Ultrasound SequencesAura Hernandez-SabateDebora GilJaume GarciaEnric Martiinfo:doi/10.1109/TUFFC.2011.1774openurl:?ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Frefbase.cvc.uab.es%2F&genre=article&atitle=Image-based%20Cardiac%20Phase%20Retrieval%20in%20Intravascular%20Ultrasound%20Sequences&title=IEEE%20Transactions%20on%20Ultrasonics%2C%20Ferroelectrics%20and%20Frequency%20Control&stitle=T-UFFC&issn=0885-3010&date=2011&volume=58&issue=1&spage=60&epage=72&aulast=Aura%20Hernandez-Sabate&au=Debora%20Gil&au=Jaume%20Garcia&au=Enric%20Marti&id=info%3Adoi%2F10.1109%2FTUFFC.2011.1774&sid=refbase%3ACVCAura Hernandez-Sabate, Debora Gil, Jaume Garcia, & Enric Marti. (2011).<a target='_blank' href='/files/HGB2011.pdf'> "Image-based Cardiac Phase Retrieval in Intravascular Ultrasound Sequences "</a> . IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 58(1), 60-72.2011JournalArticletext3-D exploringECGband-pass filtercardiac motioncardiac phase retrievalcoronary arterieselectrocardiogram signalimage intensity local mean evolutionimage-based cardiac phase retrievalin vivo pullbacks acquisitionintravascular ultrasound sequenceslongitudinal motionsignal extrematime 36 msband-pass filtersbiomedical ultrasonicscardiovascular systemelectrocardiographyimage motion analysisimage retrievalimage sequencesmedical image processingultrasonic imagingfile:http://refbase.cvc.uab.es/files/HGB2011.pdf0885-3010IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control20115816072