Overview Barcode is used in various purposes such as merchandise control, book collection control in libraries, and so on. QR code, a kind of two-dimensional barcode investigated by Denso Wave, is used as so-called shortcut to get a URL, e-mail address, phone number and so on, in recent Japan. QR codes are now used in broader context spanning for convenience-oriented… Read more →

We developed a two-dimensional barcode and its decoder which are robust against distortion. This research was funded by JST A-Step. We’ll report this study at JSAI annual conference in Yamaguchi, June 11-14, 2012.