Patent ID: 6549662
Filing Date: 2003-04-15
Classification: G06K

Abstract:
A method of recognizing characters of headers and characters of data on a document, comprising the steps of:extracting character strings having the characters of the headers of the data and the characters of the data on the document by an image data of the document; distinguishing between the headers of the data and the data on the document by detecting each position of said extracted character strings, categorizing said extracted character strings into rows and columns according to said detected position of said extracted character strings, categorizing said extracted character strings into associated blocks according to said categorized rows and columns, detecting positions of each of said blocks, and determining the header from the detected positional relationship between said blocks; determining character attributes of the data by recognizing characters of the character strings of the headers using a header recognition dictionary for storing a relationship between said headers and an attribute of said headers; and recognizing characters of the character strings of the data according to the determined character attributes of the data.