对注塑件表面的缺陷进行识别和分类：其中包括阈值分割，图像剪切，边缘提取，图像几何和纹理特征的计算，小波系数计算等等，特别的全面（希望对学习图像处理的同学有所帮助）-Injection surface defects to identify and classify: including thresholding, image cut, edge extraction, and calculating the image geometric texture features, the wavele