读取路标图像，然后对图像预处理，提取特征，训练模板，识别时使用sift匹配识别,还有GUI界面，点击运行以后就可以使用，带有图像库-Read signs image, then the image preprocessing, feature extraction, training templates, identifying matching using sift recognition, as well as the GUI interface, you can click on Run

facial landmark extraction in face recognition