| 摘要 |
PROBLEM TO BE SOLVED: To facilitate to edit data that has been subjected to character identification by identifying a character at a prescribed position of plural character strings extracted from an input image, deciding the style of the character string including the character and registering the identified character as a format for the style. SOLUTION: Image data are analyzed according to an image area analysis and divided into a group of rectangular areas judged as a continuous lump of areas on the basis of image characteristics, and the position and size data of each area are extracted (S53). All character data of a block group decided as a text block are verified, and a character size and a character type which occupy a large number of respective character sizes and character types are decided as a text format (S54). Subsequently, a block occupied by a large number of characters with the largest size is retrieved (S55), the block is decided as a header 1 style block (S56), and its character size is stored as the format for the header 1 style in an HD (S57).
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