Experimental results showed that the algorithm could not only keep edge information of image, but also could improve signal-to-noise ratio of an image.
实验结果表明，谊方法不但可以保持图像的边缘信息，而且能够提高去噪后图像的信噪比。
Comparing with original LUM filter, it can shorten the running time of the program, reduce the noise, keep the useful information and enhance the edge of the image.
与原有的LUM滤波器相比，它能缩短程序运行的时间，较好地降噪，保护图像的有用信息，更好地增强图像的边缘。
Take the local direction as the heuristic information, trace the road boundaries on the edge image and get the line segment representation of the first catalog road boundaries.
在边缘图像的基础上，以局部方向作为启发信息，跟踪道路边界，得到第一类道路边界的线段表示。
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