1. A system for progressive feature evaluation of an electronic document image to identify a user supplied element, the system comprising: a controller in communication with a storage device configured to receive and accessibly store a generated plurality of candidate images, wherein the controller is configured to: analyze the electronic document image to identify a first feature set and a second feature set, wherein each of the first and second feature sets represents a different form feature; compare the first feature set to the second feature set; and define a third feature set based on the intersection of the first and second feature sets, wherein the third feature set represents the user provided element; wherein identification of the first feature set, identification of the second feature set, and definition of the third feature set are based on a pixel by pixel evaluation of the electronic document image itself without reference to an existing form definition.