This paper carried on histograms specification to pretreat ultrasonic images and use of region growing method to segment ultrasonic images, thus achieved satisfactory results.
本文对超声图像进行直方图规定化预处理，然后采用区域生长法对超声图像进行分割，取得了满意的效果。
Based on the multilevel threshold de-noising method foundation, mean value approximation (MVA) was used to pretreat the noising image.
在多层阈值去噪方法的基础上，采用均值逼近法对含噪图像进行预处理。
After using compatible compression of multiple scan chains to pretreat the merged test set, modified distance-marking method is used to compress test data.
先采用多扫描链相容压缩预处理总测试集，接着使用改进的距离标记法压缩测试数据。
Electrochemical method was used to pretreat the nitrobenzene containing wastewater.
研究了电化学对硝基苯废水的预处理作用。
Electrochemical method was used to pretreat the nitrobenzene containing wastewater.
研究了电化学对硝基苯废水的预处理作用。
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