Entropy thresholding method is an automatic technique for thresholding of digital images based on gray level-gradient co-occurrence matrix and the maximum entropy principle.
它包括二维匹配滤波预处理以增强血管的灰度，以及用灰度-梯度共生矩阵的最大熵阈值化方法。
This paper used the information theory, the "entropy method", the indicators of weight distribution, gray relational method combined with factors associated with the evaluation.
论文运用了信息论中的熵权法对指标因子做权重分配，并结合灰关联方法对各指标因子进行关联并综合评价。
To evaluate the performance of the road, this paper proposes a method of gray evaluation based on center triangle whitening weight function, and the weight is determined by entropy objectivity.
在路面使用性能评价方面，本文提出基于中心点三角白化权函数的灰色评价方法，其权重采用熵值法客观确定。
Based on maximum between-cluster variance method and uniformity measure, this paper USES maximum entropy principle to select the gray-level threshold value for image segmentation.
在最大类间方差法和一致性准则法的基础上，运用最大熵原理来选择灰度阈值对图像进行分割。
In this paper a novel method is presented to segment gray level image through maximizing the fuzzy partition entropy of two-dimensional histogram.
该文提出了一种通过最大化二维直方图模糊划分熵分割灰度图像的新算法。
Maximum entropy spectrum analysis method is used in cycle analysis of hydrodynamic conditions, and then the author makes prediction with gray model.
对水动力条件采用极大熵谱分析法进行周期分析，并用灰色模型进行预测。
The analytic hierarchy process & entropy weight gray analysis combined method is presented to evaluate the rail planning network, which is feasible and effective.
将层次兮析法——墒定权的灰色关联分析方法用于轨道交通线网方案的评价，可行且有效。
The analytic hierarchy process & entropy weight gray analysis combined method is presented to evaluate the rail planning network, which is feasible and effective.
将层次兮析法——墒定权的灰色关联分析方法用于轨道交通线网方案的评价，可行且有效。
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