国外的一个做人脸直线化的代码，能够对人脸和汽车图片进行直线化。-Many recognition algorithms depend on careful positioning of an object into a canonical pose, so the position of features relative to a fixed coordinate system can be examined. Generally, this positioning is done eithe

对车牌号的识别，输入一张图片，然后显示改图片的车牌号码-The recognition of license plates ，input image, and display the license plate number of pictures