Usually, the edge of image is the high frequency of frequency field.
通常,图像的边缘为频率域的高频分量。
The soft mathematical morphology, which can be applied to detecting edge of image, is introduced.
简要介绍了软数学形态学的基本原理及形态学在图像边缘检测中的应用。
To solve the problem of losing part of edge in the SAR image de-noising, the edge of image can be preserves beforehand.
而常用的去噪算法在去噪的同时会损失图像的边缘信息,所以本文在去噪前预先保留了图像的边缘信息。
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