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QR codes, originally developed as two-dimensional matrix barcodes for rapid data acquisition, have undergone significant transformation and expansion in application. Their evolution from simple ...

Matrix’s “Your Mobile is Your Identity” technology offers QR Code based Identification for opening doors by simply scanning the QR code from an authorised mobile phone through COSEC APTA App. It is a ...

Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...

Abstract: Code Division Multiple Access (CDMA) utilizes orthogonal matrices to transmit data without interference. Building upon this concept, this paper introduces a multi-layer secret message hiding ...

Last month, a video shared on Instagram showing a quick-response (QR) code embedded on a tombstone at a cemetery in Kerala went viral. Upon scanning the code, a website pops up, directing to a page ...