在基于标志点的图像配准中，确定标志点间的对应关系十分重要。

In landmark-based image registration, estimating the landmark correspondence plays an important role.

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三维人脸配准方面，通过和标志点定位结合，实现了基于标志点的粗配准方法。

In the part of "3d face registration", feature points based pie-registration method is implemented with the help of feature points location method.

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其后，详细讨论了常用的一些医学图象配准方法，如基于标志点配准法、基于特征配准法和互信息法等。

Then we discuss some image registration methods which are frequently used, such as registration based on landmark, feature-based method and mutual information method, etc.

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