1. A method for controlling dual energy image acquisition to automatically adjust exposure parameters, said method comprising: obtaining a first image from a first exposure of a patient, said first image including pixel values representative of a patient anatomy; segmenting said first image based on said pixel values representative of the anatomy of the patient; defining a set of patient parameters characterizing the patient anatomy in at least one segmented portion of said first image; and adjusting exposure settings for a second exposure of the patient anatomy based upon said set of patient parameters.