1. A method, comprising: recording a first plurality of images of a plurality of points of at least one blood vessel, each of the plurality of images comprising fluorescent light intensity information at each of the plurality of points of the at least one blood vessel; for each of the plurality of points of the at least one blood vessel, analyzing the first plurality of recorded images to determine a maximum fluorescent light intensity at the point of the at least one blood vessel; and for each of the plurality of points of the at least one blood vessel, displaying a first image that represents the maximum fluorescent light intensity at the point of the at least one blood vessel.