Patent ID: 7136526
Filing Date: 2006-11-14
Classification: G06K

Abstract:
1. A character string recognition apparatus, comprising: a key character code extraction unit automatically extracting a code string of a key word which is a node of a character string from a character string category to be recognized and expressed as at least one character code, by extracting at least one of a first character having a first predetermined number of occurrences among a first set of character strings to be recognized, a second character having a second predetermined number of occurrences in a character string unit, and a second set of closely associated characters as the key word; a key word extraction unit separating an image of the character string into images of individual characters, recognizing the individual character images and extracting as key word characters, a string of characters corresponding to the code string of the key word; a partial area extraction unit extracting a partial area falling between extracted key words from the image of the character string; and a recognition unit holistically recognizing a character string in the partial area extracted by said partial area extraction unit.