最后，将该图像进行计算机降噪去斑处理，得到一张50纳米分辨率的图片。
Finally, the image is cleaned up by a computer program and the 50-nanometre-resolution picture emerges.
去斑后，采用基于阈值的直方图规定化方法，以弥补对比度可能降低情况。
After speckle reducing, a histogram defined method based on the threshold is employed to compensate for possible contrast reduction.
提出了一种基于改进相关邻域模型的SAR图像RCS重构滤波器，特别对高分辨率的SAR图像具有很好的去斑效果。
RCS reconstruction filter of high resolution SAR image based on a modified correlated neighborhood model is presented in this paper.
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