QR Code Without Impairing the Scenery and Detection System for the visually impaired

説明

We proposed QR code without impairing the scenery and detection system for the visually impaired. This system enables visually impaired people to receive information using invisible QR code and IR camera. We verified the invisibility of QR codes made of combining infrared absorbing ink and reflective ink, and to compare them with existing visible QR codes. The invisible QR code was read by an IR camera, both the readable distance and angle decreased. Proposed system was compared with the information acquisition using the tactile sense, and the usefulness was confirmed experimentally. At the same time, system usability was evaluated. It was confirmed that the information could be obtained more quickly than the tactile information and the evaluation from the visually impaired was higher than average.

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