AUTOMATIC TABLE LOCATION IN DOCUMENTS

摘要

The invention relates to a method for locating tables in documents, the method comprising the steps of defining a plurality of tiles for a document, for each tile determining a horizontal profile and a vertical profile, determining the location of lines by means of gradients of the horizontal profiles and the vertical profiles, selecting from said lines, the lines which are persistent, determining a rectangle in at least one corner of the document based on the persistent lines, applying heuristics in order to accept or reject a determined rectangle as a table of the document. The invention also relates to an apparatus for automatically locating a table in a document by application of the method according to the invention.