Delphi7 写的 QRCode识别的源代码，可直接编译运行。 能识别中文，附带2张测试的二维码图片可测试。 识别率很低，学习下还可以的。 包含了图像处理的一些东西如：灰度化、二值化、定位等。 支持UTF8格式的中文。(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.)