affine invariant transform

• 仿射变换

affine invariant transform的用法和样例：

例句

1. 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。
2. Understanding affine transformations requires considerable mathematical sophistication.
   理解仿射变换需要相当深厚的数学知识。