本文的分层遗传算法优化模型能避免由工程类比及经验设计所带来的土钉材料浪费问题，给工程设计人员提供了理论参考依据。
The optimization model of the HGA in this paper can avoids soil nailing material waste caused by the engineering analogy and experience design, provides a theoretical basis to engineers.
本文首先将两种匹配算法即金字塔分层匹配和基于遗传算法的影像匹配运用于全自动内定向中框标点的预匹配，再利用最小二乘匹配进行框标点的精匹配。
This paper applies two matching algorithms in the initial matching of the frame point of automatic interior orientation and LSM is used for the precise matching of frame points.
宏观上，通过分层多级寻优操作来适当加快遗传算法的寻优速度。
From the high level point of view, multilevel action is used to im - prove the speed of SGA.
宏观上，通过分层多级寻优操作来适当加快遗传算法的寻优速度。
From the high level point of view, multilevel action is used to im - prove the speed of SGA.
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