concavity slide 凹玻片 ; 载物凹玻片
knife concavity [畜牧] 刀片凹心度
fuzzy concavity 模糊凹性
axial concavity 前端内缩量
volute concavity 涡形凹陷
waist concavity [服装] 底心凹度
Linfen Concavity 临汾凹陷
concavity method 凸方法
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
同义词： concaveness
以上来源于: WordNet
N the state or quality of being concave 凹状; 凹性
We introduce concepts of diagonal quasi-convexity and quasi-concavity in hyperconvex metric spaces.
我们介绍了超凸度量空间中对角拟凸和拟凹的概念。
Experimental investigations show that the semiempirical concavity calculation formulation given here are practical.
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。
Objective: To investigate the effects of variations in vertebral endplate concavity on the mechanical behaviors of the lumbar motion segment.
目的：研究终板凹陷程度变化对腰椎运动节段生物力学影响。
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