• IEEE Trans Biomed Eng · Jul 2006

    Controlled Clinical Trial

    Automated left ventricular segmentation in cardiac MRI.

    • Amol Pednekar, Uday Kurkure, Raja Muthupillai, Scott Flamm, and Ioannis A Kakadiaris.
    • MR Clinical Science Group, Philips Medical Systems North America, Bothell, WA 98021, USA. amol.pednekar@philips.com
    • IEEE Trans Biomed Eng. 2006 Jul 1; 53 (7): 1425-8.

    AbstractWe present an automated left ventricular (LV) myocardial boundary extraction method. Automatic localization of the LV is achieved using a motion map and an expectation maximization algorithm. The myocardial region is then segmented using an intensity-based fuzzy affinity map and the myocardial contours are extracted by cost minimization through a dynamic programming approach. The results from the automated algorithm compared against the experienced radiologists using Bland and Altman analysis were found to have consistent mean bias of 7% and limits of agreement comparable to the inter-observer variability inherent in the manual method.

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