快速图象倾斜检测和校正算法，速度快，准确率高，看上去，是个不错的算法。-Fast image tilt detection and correction algorithm speed, high accuracy rate, it seemed, be a good algorithm.

利用Hough变换实现车牌图像的倾斜校正，matlab源码-The license plate image using Hough transform tilt correction, the matlab source code