Business document processor
A processor and document technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as non-return, and achieve the effect of improving efficiency and search performance
Inactive Publication Date: 2011-08-31
HITACHI SOFTWARE ENG
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- Application Information
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Problems solved by technology
Thus, if such information cannot be identified, these documents will not be returned during retrieval and all registered document data will have to be checked
Method used
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Embodiment Construction
[0037] Next, the best mode for realizing the business document processor of the present invention will be specifically described with reference to the accompanying drawings. Figures 1 to 10 is a schematic diagram illustrating an exemplary embodiment of the present invention. In these diagrams, it is assumed that components with the same reference numerals denote the same components, and their basic configurations and operations are the same. Note that devices, methods, and the like used in the embodiments of the present invention are merely examples, and the present invention is not limited thereto.
[0038]
[0039] figure 1 is a functional block diagram schematically showing the configuration of a business document processor according to an embodiment of the present invention. This business document processor comprises: the document database 51 of keeping the business document relevant with client's transaction etc. and the index of its construction; Customer database...
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There is provided a technique for removing only a seal impression while keeping character string information when applying OCR to a business document stored in grayscale, even if the character string and the seal impression overlap with each other. The character string that overlaps with the seal impression is extrapolated by matching a character string present near the seal impression against a database. More specifically, first, a seal impression region in a business document inputted in grayscale is removed. Next, character information that is present near the removed seal impression region and of which a portion of the characters is unclear due to the seal impression region is extracted as seal impression related information. Then, an attribute of the extracted seal impression related information is identified, a customer database storing character string candidates containing customer information is referred to, and based on the seal impression related information classified by attribute, the character string that overlaps with the seal impression region and that is thus unclear is extrapolated.
Description
technical field [0001] The present invention relates to business document processors and techniques for removing seal impressions within business documents, for example. Background technique [0002] For the huge amount of paper business documents archived within companies, recent years have seen improvements in achieving retrieval performance, secure storage of paper documents, and knowledge sharing through character recognition via scanning and OCR, and management of document data through document management systems There is interest. [0003] Although OCR in the current state has high character string recognition accuracy for documents without interference, for example, when a seal image such as a company seal overlaps a character string, there is a problem that the portion may be misrecognized. If the portion is misrecognized, not only may the character information of the portion not be obtained, but also may appear as noise and remain meaningless character information,...
Claims
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IPC IPC(8): G06K9/34G06F17/30G06K9/20G06K9/72G06V30/10G06V30/262
CPCG06K9/346G06V2201/09G06V30/10G06V30/155G06V30/262
Inventor 大峡光晴
Owner HITACHI SOFTWARE ENG