The following publications are possibly variants of this publication:
- Mitral Annulus Segmentation from Three-Dimensional UltrasoundRobert Schneider, Douglas P. Perrin, Nikolay V. Vasilyev, Gerald Marx, Pedro J. del Nido, Robert D. Howe. isbi 2009: 779-782 [doi]
- Mitral annulus segmentation from four-dimensional ultrasound using a valve state predictor and constrained optical flowRobert J. Schneider, Douglas P. Perrin, Nikolay V. Vasilyev, Gerald R. Marx, Pedro J. del Nido, Robert D. Howe. mia, 16(2):497-504, 2012. [doi]