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Different from one-dimensional barcode, QR (quick response) code is a popular two-dimensional barcode due to the fact that it can carry greater data capacity and capable of resisting damage. The content of QR code can be easily revealed by barcode scanners. However, in the real world QR applications, the content could be private information, such as the e-ticket and e-coupon. The QR content should...
The marker-based augmented reality (AR) system can produce 3D virtual object to satisfy the user interaction in the real-world. The marker is a tag/pattern and used to help the AR system to locate the corresponding virtual object on the scene. The marker, however, needs to be designed firstly and the recognition capability is limited. The exhibited virtual object and the marker, unfortunately, are...
QR code is the commonly used two-dimensional (2D) barcode recently with the advantages of larger QR content and error correction capability. Based on the error correction property of QR code, we designed a secret hiding technique for QR barcode. The proposed scheme can conceal the secret data into the cover QR code without distorting the readability of QR content. That is, general browsers can read...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.