Document image processing apparatus
Patent 5185813 Issued on February 9, 1993. Estimated Expiration Date: 
January 17, 2012. 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.
January 17, 2012. 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 ReferencesApparatus, method, and structure for translating a document having one structure into a document having another structure Geometry processor for graphics display system Patent #: 4862392 InventorApplicationNo. 823608 filed on 01/17/1992US Classes:382/180, Region labeling (e.g., page description language)382/240Pyramid, hierarchy, or tree structureExaminersPrimary: Boudreau, Leo H.Attorney, Agent or FirmInternational ClassG06K 009/00Foreign Application Priority Data1988-01-19 JPAbstractA document image processing apparatus is provided, which comprises a structure analyzing unit for analytically dividing an input document image into sub-blocks having a specificed physical positional relationship to each other, a structure forming unit for forming a representation form corresponding to the physical positional relationship between the sub-blocks obtained by the structure analyzing unit, and a structure understanding unit for transforming the representation form obtained by the structure forming unit into a modified document image having a predetermined relationship between the sub-blocks.Other References
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