Patent ID: 6661919
Filing Date: 2003-12-09
Classification: G06K,H04N

Abstract:
An electronic document comprising:an image raster representation of a document page, where display of the image raster representation generates a perceptible image of the document page, the image raster representation having a hybrid data structure including: a non-aided representation of the document page, the non-coded representation comprising bitmap representations of non-identifiable lexical objects within the document page, non-identifiable lexical objects being lexical objects having an assigned recognition confidence level below a threshold level; a coded representation of the document page, the coded representation comprising codes corresponding to identifiable lexical objects within the document page, identifiable lexical object being lexical objects having an assigned recognition confidence level at or above the threshold level, the recognition confidence level being assigned to the object by a character recognition process; and linking information associating each code with a corresponding area of the image raster representation for identifying a matched area of the image raster representation corresponding to a code that has been matched to a search word, wherein: the coded representation comprises a page description language description of a hidden page, the hidden page being a representation of the document page; each code comprises coded text; the position of the coded text on the hidden page being the same as the position of the corresponding lexical object on the image raster representation; and the linking information for each identifiable lexical object comprises the position of the coded text of the lexical object on the hidden page.