DM码的识别，运用凸包法检验条码边缘，采用全局和局部相结合的阈值分割法-DM code identification, use of bar code edge of the convex hull method test, using a combination of global and local thresholding segmentation method

基于matlab 来开发QR识别和译码程序，运用图像校正、二值化、边缘检测等各种图像处理方法实现条码的预处理，并进行QR码的解码和纠错算法，充分利用面向对象的方法，结合图像处理技术，完成了基于图像处理的QR码快速识别的解码系统。-Based on Matlab QR recognition and decoding procedures, the use of the image correction, binarization, edge detection, and other variou