本文设计了滑板磨耗图像检测算法，主要包括图像预处理，边缘检测和连接，导线及滑板边缘定位等。

The image processing algorithm of slide abrasion detection is designed in this paper. It includes image preprocessing, edge detecting and linking, contact wire and slide edge location and etc.

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在获得信号点亮度区域的方法中，本文重点讨论了信号点边缘检测和边缘连接的方法。

We discuss deeply the methods of edge detection and edge linkage for obtaining the target region of a signal point.

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常见的图像分割方法归纳为基于边界检测和边缘连接的方法、基于区域的分割方法和结合特定理论工具的分割方法三大类。

Common methods of image segmentation can be summarized as follow: methods based on boundary detection and edge linking, methods based on region, methods based on special theory.

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