意信号卷积的运算,并且绘制图象，计算晶粒的生长，入门级别程序,包含特征值与特征向量的提取、训练样本以及最后的识别。- Convolution operation is intended to signal and image rendering, Calculation of growth, entry-level program grains Contains the eigenvalue and eigenvector extraction, the training sample, and