车牌图像倾斜校正是车牌识别过程中的一个重要研究课题。图像形变与图像倾斜严重影响到接下来的图像分割和图像识别-License plate tilt correction is an important research topic in the process of license plate recognition. Image deformation and image tilt the serious influence to the rest of the image segmentation and image recognition