| 摘要 |
<p>PURPOSE: To automatically judge and correct the direction of a document (document picture). CONSTITUTION: Perceiving that characters are most correctly showing the direction of the document, inputted document picture data is character-recognized in four directions of O deg., 90 deg., 180 deg. and 270 deg. respectively concerning plural characters in plural character areas, to obtain the average value of the accuracy of character recognition by the directions of the plural characters by the character area and to judge the direction of the largest average value of this average value to be the direction of the document. And, when the judged direction of the document is not correct, document picture data is rotated to be in the correct direction.</p> |
