Reading document search access technique and the document search

摘要

PROBLEM TO BE SOLVED: To provide a method that enables a search and browse of a document image group through the application of a document structure analysis technique and a character recognition technique as searching/browsing means for paper documents and document images.;SOLUTION: A highly functional document image search/browse system separates an OCR and a document processing apparatus, adopts as OCR output formats data (reading hypothesis data) holding multiple hypotheses of character line extraction, character segmentation and character recognition, and document structure data having ruled line information, frame information, character line information, browse attribute information and the like about a document image, and provides a function of important keyword extraction and document search from typed and handwritten character strings using OCR-added data, and of document display intended by a browser using the document structure data.;COPYRIGHT: (C)2005,JPO&NCIPI