The results are compared with the data obtained by contour line method in Beilun Port. They coincide quite well.
计算成果与北仑港区地形测量资料比较一致。
This paper has deep ly researched image segmentation. Aiming at the color image with complicated background, a novel method of close contour line extraction is presented.
该文针对复杂背景的彩色图像，提出并实现了一种图像封闭轮廓线提取的方法。
A simplified method was put forward on a binary image contour line extraction.
该文对二值图像轮廓线的提取，提出了一种简捷的算法。
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