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Character string identification device

A technology for identifying devices and character strings, applied in character recognition, character and pattern recognition, instruments, etc., and can solve problems such as misrecognition, high-precision rejection processing, and user disappointment

Inactive Publication Date: 2009-04-01
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Furthermore, in conventional word recognition methods, high-precision rejection processing is not yet possible, and a word may be misrecognized as a completely wrong word, thereby frustrating the user

Method used

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Embodiment Construction

[0025] Handwritten character strings to be processed according to the present invention can be various character strings written in normal arrangement, such as addresses, names, names of universities, names of banks, and the like. In the present invention, instead of recognizing characters one by one from the beginning of a character string, a character string is divided into a plurality of partial character strings, and words contained in each partial character string are comprehensively recognized. In this way, problems of handwritten character strings such as words touching each other and words being separated can be correctly handled. The character recognition device constructed according to the present invention can be applied not only to the above-mentioned handwritten character recognition device, but also to general character recognition devices, such as printed character recognition devices, character recognition devices used in portable information terminals, and the ...

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Abstract

A key word is first and automatically extracted from a character string group to be recognized, and entered. Then, a character is recognized by segmenting an individual character from a character string image to be recognized, and a character string corresponding to the extracted / entered key word id extracted. Then, a word area delimited by a key word is extracted from the character string image, and a word is recognized. Furthermore, a word recognition result is verified, and a final character string recognition result is output.

Description

technical field [0001] The present invention relates to a string recognition device in character recognition devices associated with character recognition device OCR and software OCR, and character recognition device OCR and software OCR are a kind of document input tool that people need more and more recently. Background technique [0002] As a method of recognizing a word by decomposing a handwritten character string into partial character strings, there has been a proposal for recognizing words in an area consisting of those words detected as delimiters (Keyword ) surrounded by, such as capital (capital), road, government office, county (province), city (city), district (district), county (county) etc. (for example, Japanese Patent Publication No. 11-161740, Japan Patent Publication No. 11-328315). [0003] However, the methods mentioned above are for handwritten addresses, and string recognition methods for general handwritten strings and not just addresses have not bee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/72G06V30/10G06V30/224
CPCG06K9/2054G06V30/10G06V30/1444
Inventor 堀田悦伸藤本克仁直井聪諏访美佐子
Owner FUJITSU LTD