结论

本章介绍了特征检测的常用方法：

• 用于检测完全已知模式的互相关；

• 用于检测直线的Canny检测器（基于图像梯度）；

• 用于检测角点的Harris检测器（基于像素邻域的强度变化）；

• 用于检测直线或圆的霍夫变换（通过将图像变换到参数空间）。

参考文献¶

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