During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
在重建过程中，本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题，保证了三维模型的精确度。
These images are firstly segmented by PCNN and labeled, and then morphologically processed to extract the approximate locations and contours of polysaccharides.
使用PCNN二值分割后图像经过标记、特征参数提取和形态学处理初步获得图像中多糖分子位置和初始轮廓。
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