Category: Final year projects

Offline QR Code Authorization Based on Visual Cryptography

It is popular to use mobile phone daily in modern life. Among the numerous applications provided by mobile phone, barcode utility is one of the important branches. Many companies supply barcode tools for mobile phones. For example, Google’s mobile Android operating system supports QR codes by natively including the barcode scanner in some models, and […]


A novel QR code guided image stenographic technique

Abstract A novel DWT-SVD based stenographic technique is presented. A QR-code payload guides the alternation of the singular-values of DWT blocks. This method can be used by smart phones, smart video-cameras for business and consumer applications. This method has high PSNR and SSIM and survived chi-square test with 100% message recovery.