optimum security threshold 最适当安全门槛
optimum threshold value 最优阈值法
optimum threshold segmentation 最优阈值分割
optimum decision threshold odt 最佳判决门限
optimum decision threshold 最佳判决阈值
An optimum threshold is selected by maximizing the correlation between the original halftone image and the thresholded bi-level image.
该算法以原始图像与分割后图像的相关系数最大为准则，选取最优阈值对磨粒图像进行二值化。
The improved algorithm divides the whole image into areas and selects the optimum threshold for each area according to the maximum entropy threshold and mean.
本文的方法把整个烟支图像分成小区域，在每一个区域中综合考虑最大熵和区域灰度均值来得到最优的阈值。
The choice for the optimum threshold is the core of the segmentation for cellular images. A single method is hardly suitable for all images with various kinds of density.
最优阈值的选取是细胞图像分割中的核心问题，单一的分割方法往往不能适用于各种疏密不一的细胞图像。
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