How QR Codes Work

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In this lecture, we delve into the world of QR codes, tracing their origins from Japan in 1994 to their global proliferation in the 2000s. We examine their vital role in digital data sharing and applications ranging from payments to marketing. The structural anatomy of QR codes is demystified, focusing on the matrix barcode system and binary data representation. We'll explore the scanning process, including image capture and data conversion, and discuss the error correction capabilities that...