1. A method for automatically delineating image data corresponding to vasculature in an anatomical region, the method comprising: obtaining image data corresponding to soft tissue representative of the anatomical region; segmenting image data corresponding to a region of interest from image data corresponding to the anatomical region based on a patient population to obtain image data corresponding to a segmented region of interest; and extracting image data corresponding to vasculature associated with the segmented region of interest by suppressing image data corresponding to soft tissue representative of the segmented region of interest.