Introduction - If you have any usage issues, please Google them yourself
The source code of QRCode recognized by Delphi 7 can be compiled and run directly. It can recognize Chinese, and 2-D code pictures with 2 tests can be tested. Recognition rate is very low, and it can be learned. It includes some things of image processing, such as graying, binarization, positioning and so on. Support Chinese in UTF8 format.