contour r value 等高线数值
The lines in a Contour chart connect interpolated points of equal value.
曲面图（俯视）中的线是连接具有相同值的以内插值替换的点得到的。
They are average value filtering, medium value filtering, math morphologic operations including unlock operation and close operation and how to extracting image's contour line, skeleton, and so on.
例如均值、中值、滤波过程，数学形态学运算中的开启、闭合，以及图像的轮廓线、骨架线的提取技术等。
The results of the experiments show that the proposed method can accurately extract the contour of proximal femur from CT images of hip joint, which has practical value.
实验结果表明，该方法能准确地从髋关节序列CT图像中提取出股骨近端的轮廓信息，具有一定的实用价值。
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