1. A method for selecting and labeling a vessel image, using a processor enable to compute, said method comprising: locating an initial point on a main vessel in a bone-free medical image obtained from a medical imaging apparatus; identifying bifurcation points and branches departing from the main vessel; building an adjacency graph of each branch coming from the main vessel; and at least one of: selecting at least a favorable path through the vessels in accordance with predetermined criteria using the adjacency branch; and labeling branches of the main vessel by comparing local node orientation and general branch orientation to an a priori anatomical model and determining names in accordance with said comparison; and outputting at least one of the selected best or at least a favorable path through the vessels and the labeled branches of the main vessel to using a display device.