Hand-held Braille conversion device, Braille conversion manner and Braille conversion program

摘要

When the user puts the hand-held Braille conversion device on target ones, the CCD camera photographs the specified range around, detects the presence of character on the basis of the photographing image, when there is a character, character recognition, converting the character which is recognized to Braille, displays. When portable direction of the hand-held Braille conversion device and the character string which exists in the photographing image the physical relationship is not proper, error is displayed.