Number identification device and number identification method

Abstract

The invention relates to a character identification device which can conduct character identification in digits with category numbers of a plurality of characters. The number identification device comprises an identification part, an image generation part, a character image cut-out part, a storage part and a character identification part, wherein the identification part identifies a paper category; the image generation part generates a paper image of shot paper; the character image cut-out part cuts the characters of a number out from the paper image as character images; the storage part stores character attribute information associated with attributes of the characters of the number and the paper category, and templates for the character identification of the characters with the character attributes; and the character identification part identifies the character attributes of the character images based on identification results of the character images and the character attribute information, conducts the character identification with the corresponding template under the condition that one character attribute is associated with the character images so as to determine a character identification result, conducts the character identification for multiple times with the templates corresponding to the character attributes under the condition that multiple character attributes are associated with the character images, calculates evaluation values for evaluating the character identification results, and determines the character identification results of the character images based on the evaluation values.

Description

technical field [0001] The present invention relates to a number recognition device and a number recognition method for recognizing numbers printed on paper. Background technique [0002] Conventionally, a number recognition device for recognizing a number printed on paper has been used. A number is formed from numerals, alphabets, and symbols (characters), or a character string combining them. For example, numbers are used on paper of stocks, securities, bonds, merchandise certificates, exchange notes, checks, banknotes, and the like. [0003] For example, Patent Document 1 discloses a serial number recognition device that acquires an image of a banknote and searches the position of the serial number on the image. In this device, the characters forming the number can be cut out as partial images for each digit. Characters or numerals included in the cut out partial image are recognized by character recognition processing. [0004] For example, character recognition proc...

AI Technical Summary

Problems solved by technology

As a result, the recognition accuracy of the character recognition of the number decreases

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