1. A method for locating a region of interest within at least one preliminary scan, comprising: acquiring at least one preliminary scan; automatically detecting a set of local feature candidates from the at least one preliminary scan; assessing the accuracy of each local feature candidate using multiple combinations of the other local feature candidates and removing one or more local feature candidate that is assessed to have the lowest accuracy; locating a region of interest (ROD) from within the at least one preliminary scan based on the remaining number of local feature candidates.