Methods of reducing speckle noise in SAR image are discussed in this paper.

探讨了抑制合成孔径雷达图像相干斑噪声的方法。

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Image processing window was set up and the image was flatted for reducing noise.

主要进行了图像处理窗口的确定、图像的灰度化处理、平滑处理等。

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This paper studies and describes PID neural network and its application in image processing, such as im - age noise reducing, image restoration and image shadow removal.

研究并综述了PID神经元网络及其在图像处理中的应用，如图像去噪、图像复原、阴影去除等。

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