1. A method of automatic image enhancement, the method comprising: using at least one computer system for, acquiring an image of an implanted medical device internal to a patient; identifying the type of medical device in the image and selecting the medical device from model data of a plurality of predetermined stored different types of medical device as having a best fit and in response to at least one of, (a) user selection command selecting between said plurality of different types of medical device and (b) analysis of said image of said medical device; determining model data associated with the identified and selected medical device based upon the identification of the medical device type; and enhancing visibility of the medical device as shown in the image as a function of model data associated with the medical device by using the model data to enhance visibility of the medical device by automatically fitting the model data to the medical device as shown in the image using geometric parameters comprising at least one of, length, width and position.