1. A method for verifying a document containing an image, comprising: inputting electronic image data representative of the image on the document; generating verification document data from the electronic image data based on document data appended to the document, the verification document data comprising document feature data and the appended document data comprising document feature data and verification assist data; comparing at least some of the generated document feature data with corresponding portions of the appended document feature data; and verifying the document based on results of comparing the at least some of the generated document feature data with corresponding portions of the appended document feature data.