The experiment results illustrate that the improved algorithm can extract the boundary of hole and open area, and it makes preparation for the surface reconstruction.
实验表明，该算法能很好地提取出孔洞内边界以及开区域外边界，为带孔洞点云数据的曲面重构奠定了基础。
According to specific geological conditions of Jiujialu mine area, deep-hole blasting open-air stage is explored in this paper.
根据九架炉采区具体地质条件，进行露天台阶深孔爆破的实践探索。
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