Traditional methods for edge detection are more sensitive to noises.

传统的边缘检测方法对噪声都比较敏感。

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Then, mutual recognition about the peaks of BGH between neighboring blocks is implemented so that the edge is not sensitive to the gradient intensity.

然后，通过相邻块内部的梯度峰值的互确认操作，得到对梯度强弱不敏感的边缘，从而能够获得图像中更多的特征信息。

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How to extract the edge effectively in noise image is a difficult problem in the field of image analysis. The traditional methods used to extract edge are often very sensitive to noise.

在噪声图像中如何有效的提取边界是图像分析中的难点，常用的边界提取方法往往对噪声很敏感。

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