Construction experience: this process is the focus of production, to do the mountain before the need to do the shape of the stone to do shape classification.
施工心得：这个工序是制作的重点，做山体粘合前需对已有石材做形状分类。
In the paper, firstly, using the classification theory in pattern recognition, approach of multithreshold stone image segmentation based on improved 2D class variance is presented.
文章从模式识别的分类理论出发，提出了改进的二维类间方差的多门限阈值石块分割方法。
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