Shopping guide method and apparatus for blind in supermarket based on bar code identification
The invention relates to a blindman supermarket shopping guide method based on a bar code identification and a device thereof which belong to the technical field of ancillary equipment of for the disabled. The device comprises the bar code identification, a supermarket information read in unit, a bar code identification unit and a voice synthesis output unit. The specific proposal is characterized by arranging three types of bar codes which are respectively big size, medium size and small size in a supermarket, acquiring images in the vision range of a user by the supermarket information read in unit, detecting and decoding the bar codes in the vision range of the user, using code information and position information corresponding to the bar codes to encode stereo, and outputting the stereo to the blindman by an earphone, thus helping the blindman know commodity regions, goods arrangement, and the name, trademark and price of a single item in the supermarket. The method and the device are mainly used for assisting the blind in shopping in the supermarket independently.