Document filing apparatus and method having document registration, comparison and retrieval capabilities
January 26, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod and apparatus for recognizing characters on a document Method and apparatus for processing a document by utilizing an image System for searching a data base by creating a marking matrix in which two dimensional patterns control the search and selection Image recording apparatus and image recording retrieving apparatus Method of detecting and correcting a direction of image data and document image filing system employing the same Image storing/retrieving apparatus using a mark sheet to enable user selection of images Imaging processor Document information compression and retrieval system and document information registration and retrieval method Method and apparatus for expansion of white space in document images on a digital scanning device Patent #: 5592574 InventorsAssigneeApplicationNo. 592706 filed on 01/26/1996US Classes:707/100, DATABASE SCHEMA OR DATA STRUCTURE382/190, Feature extraction382/286, Measuring image properties (e.g., length, width, or area)382/287, Detecting alignment marks382/290, Where the image is a character, word, or text707/200, FILE OR DATABASE MAINTENANCE715/510, Ruled lines715/900DOCUMENT STRUCTURAL ELEMENTExaminersPrimary: Black, Thomas G.Assistant: Homere, Jean R. Attorney, Agent or FirmInternational ClassG06F 017/21Foreign Application Priority Data1995-02-22 JPAbstractIn a document filing apparatus, a file memory previously stores a plurality of documents including of line data, character data and image data. An image input section inputs a new document as image data. A character-line extraction section extracts line data and character data from the input image data. A document retrieval section retrieves a document to be compared with the new document from the file memory. A difference detection section detects differences of line data, character data and image data between the new document and the retrieved document. A register section registers the difference data and identification information of the retrieved document as the new document in the file memory. | |
