矩特征主要表征了图像区域的几何特征,又称为几何矩， 由于其具有旋转、平移、尺度等特性的不变特征，所以又称其为不变矩。 利用不变矩进行识别与分类-Moment feature is mainly characterized by the geometric features of the image area, also known as geometric moments, due to its rotation, translation, scaling, and other characte