An automatic registration method for matching the images translated and rotated has been put forward and applied to radiographic image registration with satisfactory results.

提出用图像配准方法对发生旋转和平移的两幅图像进行自动配准，该方法已用于射线图像配准，并取得了满意的效果。

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After analyzing the automatic fingerprint recognition based on structural features, we improved it and put forward a step by step structural matching method. The recognition is grouped two step.

分析了基于结构匹配的指纹自动识别方法，并对其作出了改进，提出了一种分阶段的结构匹配识别方法，把识别分为两步进行。

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Based on the improved corner detection algorithm, an image automatic registration method combined corner detection and area-based matching was developed.

在上述改进的角点检测算法基础上，本文提出了结合区域匹配的图像自动配准算法。

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