Quality enhancement of arterial measurements based on a more accurate stochastic model of X-ray cine-angiography. - Raymond C. Chan; William Clement Karl; Robert S. Lees (ICIP (3), 1997)

A Variational Energy Approach for Estimating Vascular Structure and Deformation from B-mode Ultrasound Imagery. - Raymond C. Chan; John P. Kaufhold; William Clement Karl; Robert S. Lees; David A. Castañón (ICIP, 2000)

A New Model-Based Technique for Enhanced Small-Vessel Measurements in X-ray Ciné-Angiograms. - Raymond C. Chan; William Clement Karl; Robert S. Lees (IEEE Trans. Medical Imaging, 2000)