求翻译：本文针对现有的三维阈值方法进行了改进与拓展，并且提出了一种新的三维最大类间方差法，理论分析与实验结果表明，该方法不仅有更好的分割效果，且分割时间大幅减少。是什么意思？

Improvement and expansion for the existing three-dimensional threshold, and proposed a new three dimensional maximum between-class variance method, theoretical analysis and experimental results show that the proposed method has better segmentation effect, and the segmentation time significantly redu

This document for an existing 3D threshold method has been improved and expanded, and a new 3D Max class difference between law and theory with analysis results of the experiment show that the approach is not only a better segmentation results and split times.

This article has made the improvement and the development in view of the existing three dimensional threshold value method, and proposed one kind of new three dimensional biggest kind of variance law, the theoretical analysis and the experimental result indicated, not only this method has the better

This paper focuses on three-dimensional thresholding method for the improvement of existing and expanding, and introduced a new method of three dimensional maximum variance between clusters, theoretical analyses and experimental results show that, which not only have a better Iris, and split time su

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