A method determines coordinates of a circumscribed rectangular frame for enclosing each character based on image data of character images in a recognition area. First of all, specified image data of a predetermined data unit in a transverse direction including at least one bit of black pixel are determined...http://www.google.com/patents/US5054091?utm_source=gb-gplus-sharePatent US5054091 - Method for determining coordinates of circumscribed rectangular frame of each character for use in optical character reader
