Review: Quick Response (QR) Code Types and its Characteristics

QR code is in the form of matrix barcode which was introduced by Denso Wave for the automotive industry. Due to the automotive industries fast readability and more storage capacity, the QR Code system has become admired outside as compare to standard UPC barcodes. This paper take account of QR codes basics, its real time application in day to day life and research areas associated. With the technology of mobile phones constantly emerging, especially in the area of mobile internet access, QR codes seem to be an adequate tool to quickly and efficiently converse URLs to users. QR code permits offline media such as newspapers, business cards, public transport vehicles, magazines, signs and any other medium that can embrace the print of a QR code to be used as carriers for advertisements for online products. Due to QR code structural flexibility, it being so versatile that it leads to so many different fields for research such as increasing data capacity and also security applications. For better recognition of the QR code image, several experiments have been done which includes scratch removal techniques. This paper is an attempt to highlight QR codes and its characteristics.