52. The computer-readable storage medium of claim 50 , wherein the computer is further configured to: associate a paragraph category with each cluster resulting from the clustering analysis; and generate a paragraph style for each paragraph category, wherein each paragraph style corresponds to at least one paragraph metric of a typical paragraph of the categorized cluster.
50. A computer-readable storage medium bearing computer-executable instructions which, when executed by a computer, configure the computer to: obtain at least one page image, each page image comprising reflowable textual content; identify paragraphs of reflowable textual content in the obtained at least one page image; for each identified paragraph, determine a plurality of metrics regarding the identified paragraph; and perform a clustering analysis of the identified paragraphs based on at least one of the plurality of metrics of each paragraph, thereby resulting in at least one cluster of similarly formed paragraphs found on the at least one page image.