From the results of experimentation, the method can make the mark image edge achieve good edge localization and improve the alignment precision.

从实验的结果来看，这种方法能够对对准标记达到很好的边缘定位，提高了对准精度。

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It USES edge localization and curve fitting to solve one dimension displacement field and calculate the error.

面形检测采用边缘定位的方法，并且结合了曲线拟合的方法求解一维位移场来计算误差。

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According to the feature of ear and its position on the side face a method based on edge-tracking was adopted for human ear localization and extraction from side face images.

根据外耳及其所在位置的特征，提出了一种从侧脸图像上准确定位并提取出人耳的新方法。

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