Multiple QR code decoder using image processing.

QR codes is the type of matrix bar code. It was invented by Denso Wave in japan.QR code,Due to its quick readability and bigger storage capacity than traditional UPC barcodes. This essay explores the fundamentals of QR codes as well as how they used in daily life. Shopping centres are expanding in size and variety,carrying a bigger variety of goods. To reduce the complexity of shopping frameworks,and various shopping guide mailings, and To make Shopping for customers more convenient,the system has developed.he creation of an easy, quick, and convenient shopping system is a concern for both retailers and customers. Additionally, new approach corrects a number of flaws in the old system. This system generates QR codes for each product using a QR code generator. The test's findings are implemented in a Python software that uses a camera to read QR codes and create a bill for purchases. [ABSTRACT FROM AUTHOR]