affine invariant moment

• 仿射不变矩

affine invariant moment的用法和样例：

例句

1. The paper shows that the revised depth is of affine invariant besides the properties owned by the original depth.
   证明了新的数据深度在保持原深度其他性质的基础上，把原深度的正交不变性改进为仿射不变。
2. The charaters after affine transformation can also be recognized by a dyadic wavelet affine invariant function.
   仿射变换后的汉字或其它图像可用多尺度小波的仿射不变函数进行对比识别。