1. A method of processing a plurality of page images, comprising: receiving the plurality of page images from a scanner, the plurality of page images belonging to a plurality of documents; extracting content from each of the plurality of page images; for each of the plurality of page images, determining, based upon the extracted content, whether the page image is an initial page image of a document in the plurality of documents; and appending each of the plurality of page images located between a first determined initial page image and a second determined initial page image to the first determined initial page image.