笔者在两年前开始关注这个问题，并持有以下观点：保留原有错误，可以更好的理解错误的本质。

I examined this issue two years ago, and I support repeating the mistake in order to ensure people understand the nature of the error.

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因为选用的弹壳图像具有相似性纹理，原有基于特征的弹壳图像配准方法含有错误特征匹配，且传统去除误匹配方法效果不好。

Because of the similar texture of cartridge case, the original feature-based registration has incorrect matches, and the traditional method of removing incorrect matches bears unsatisfactory results.

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