Rectification and Localization of Quick Response Code Image
QR码图像的矫正与定位方法研究

Mainly focus on the methods of rectification and localization of the quick response code images. During the processing of QR code images, the images are often distorted: slant and geometry deforming, the distortions do harm to the recognition of the QR code. Therefore, first the bilinear transform is referred for the rectification of geometry distortion of QR Code images. Then with the research in the characters of QR code symbols, a simple, effective and high-speed method of localization and orientation is brought up. It is shown that by the rectification and localization method, the precision rate of QR code recognition is improved.