10.1371/journal.pone.0190650.g005 Francesca Galassi Francesca Galassi Mohammad Alkhalil Mohammad Alkhalil Regent Lee Regent Lee Philip Martindale Philip Martindale Rajesh K. Kharbanda Rajesh K. Kharbanda Keith M. Channon Keith M. Channon Vicente Grau Vicente Grau Robin P. Choudhury Robin P. Choudhury 3D luminal cross-section reconstruction. Public Library of Science 2018 3 D reconstruction practice artery 1.013 mm 2 2 D X-ray FFR 3 D centreline Optical Coherence Tomography NURBS method control points 1.837 mm 2 assessment luminal surface reconstruction 2 D angiographic projections 3 D models stenosis severity 3 D boundary points 0.213 mm 2 OCT lesion 3 D surface 3 D luminal contours 2 D vessels analysis Non-Uniform Rational B-Spline stenoses Objective Assessment 2018-01-03 18:38:47 Figure https://plos.figshare.com/articles/figure/3D_luminal_cross-section_reconstruction_/5755098 <p>a) Schematic view of a projection plane , correspondence of a 3D centreline point; definition of cross-sectional plane . b) 3D reconstruction of a diameter vector <i>d</i>′<sub><i>k</i>,<i>n</i></sub>; magnification, followed by projection onto the cross-sectional plane .</p>