n. concavity ; concavation
... 强制变位imposeddisplacement 压痕,凹度impression 内侧鞍座辅索眼板inboardsaddlepreventerpadeye ...
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All confines of gray scale are segmented into some parts, and multiple threshold is derived through in each part histogram of gradient, concavity analysis of histogram, moment and entropy of histogram. The multiple threshold image segmentation is achieved.
在基于阈值选取的图像分割方法中,本文改进了传统的迭代阈值法和基于梯度、凹度分析、矩、熵的单阈值分割方法,将灰度范围进行了划分,并根据各灰度区间的梯度直方图、直方图的凹度分析,直方图的矩、熵得到多个阈值,实现了图像的多区域分割。
参考来源 - 图像的多区域分割研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出的计算凹度的半经验公式，经过实践考验证明具有一定的实用价值。
Experimental investigations show that the semiempirical concavity calculation formulation given here are practical.
轧辊磨床是工业生产中不可缺少的一种重要设备，它用于磨削各种具有中凸度或中凹度的轧辊。
The roll grinder is an indispensable important equipment in the industry, which grinds all kinds of dished or convex roller.
研究了西红柿、叶子、枝干的形状特征，通过傅立叶描绘子，提取基于傅立叶系数导出的如圆形度、细长度、凹度、密集度等形状特征。
On the basis of analyzing shape features of tomatoes, leaves and branches, we extract features of roundness, slightness, concavity degree and denseness depending on Fourier description.
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