1. An image processing apparatus for detecting paragraphs in a textual image, comprising: an input component for receiving an input image in which textual lines and words have been identified; a page classification component for classifying the input image as a first or second page type; a paragraph detection component for classifying all textual lines on the input image as a beginning paragraph line or a continuation paragraph line; and a paragraph creation component for creating paragraphs that include textual lines between two successive beginning paragraph lines, including a first of the two successive beginning paragraph lines.