Based on these excellent characteristics of Phase Congruency Model, we use it to detect the edge of natural image.

基于这些优良特性，本文采用相位一致性模型对图像进行边缘检测。

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The method consists of three steps. Firstly, image segmentation is achieved by watershed transform based on phase congruency gradient and foreground marking to extract image objects.

首先，利用基于相位一致梯度与前景标记的分水岭变换进行影像分割，提取图像斑块；

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The method consists of three steps. Firstly, image segmentation is achieved by watershed transform based on phase congruency gradient and foreground marking to extract image objects.

首先，利用基于相位一致梯度与前景标记的分水岭变换进行影像分割，提取图像斑块；

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