Information Hiding using Image Embedding in QR Codes for Color Images: A Review
نویسنده
چکیده
This paper introduces the concept of QR codes, an automatic method to hide information using QR codes and to embed QR codes into colour images with bounded probability of detection error.The embedding methods are designed to be compatible with standard decoding applications and can be applied to any colour or gray scale image with full area coverage. The embedding method consists of two components. First is the use of halftoning techniques for the selection of modified pixels to break and reduce the coarse square structure of the QR code and second is the luminance level to which the pixels are to be transformed in such a way that it should not visible to naked eye on the colour image. Further to decode the QR code from the color image with minimum errors. Keywords—Quick Response (QR) codes, halftoning.
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تاریخ انتشار 2015