Segmentation and tracking of mitral valve leaflets in echocardiographic sequences: active contours guided by optical flow estimates. - Ivana Mikic; Slawomir Krucinski; James D. Thomas (Image Processing, 1996)

Segmentation and Tracking in Echocardiographic Sequences: Active Contours Guided by Optical Flow Estimates. - Ivana Mikic; Slawomir Krucinski; James D. Thomas (IEEE Trans. Medical Imaging, 1998)