centroids

英式音标：

美式音标：

词义：

网络中心点；中选择形心连接；图心

英英释义

centroid[ 'sentrɔid ]

n.the center of mass of an object of uniform density

用法：

词组短语

centroid method重心法

双语例句

1.Adoubthasarisenwhentryingtorepresentcentroids.出现了一个疑问时，试图代表重心。www.faqfreelancer.com2.Thesemodecentroidssubstitutingforambientdatapointswereusedtosimplifythemodel.利用模态点代替聚集在其周围的数据点，实现对模型的简化。3.Extractingthecentroids of the matchingpatchesascontrol points,anautomaticregistrationisperformed.提取匹配小面元的中心作为控制点对，解出仿射变换的参数，从而实现图像的自动配准。epub.cnki.net4.Andthenthecentroidsofcorrespondingtrianglesareemployedaspointpairstocalculatethenewtransformation.然后将对应三角形的质心作为对应点对，估计出新的空间位置转换关系。5.Firstly,videoobjectsweresegmented and their centroidswerecalculated.首先进行视频对象分割，求出运动目标的形心。6.Calculatethedistancefromeachdatasample to the centroidsyoujustcreated.计算每个数据样例与刚刚创建的这些重心之间的距离。www.ibm.com7.CreateCentroidsFromSelectionSet选项从选择集创建形心点击www.chinautc.com8.Animprovedinvariantrecognitionbased oncentroids改进的基于图像能量中心的模式识别www.ilib.cn9.centroidsofareasandlines面积和线的形心www.mapeng.net

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权威例句

On the centroids of fuzzy numbers

A toolbox for K-centroids cluster analysis

Hierarchical K-means : an algorithm for centroids initialization for K-means

RNA secondary structure prediction by centroids in a Boltzmann weighted ensemble

Diagnosis of multiple cancer types by shrunken centroids of gene expression

Lower Dimensional Representation of Text Data Based on Centroids and Least Squares

Diagnosis of multiple cancer types by shrunken centroids of gene expression. Proc. Natl. Acad. Sci. U S A 99, 6567-6572

Determination of insulator bulk trapped charge densities and centroids from photocurrent‐voltage charactersitcs of MOS structures

Ding, Y., Chan, C.Y. & Lawrence, C.E. RNA secondary structure prediction by centroids in a Boltzmann weighted ensemble. RNA 11, 1157...

Tibshirani, R., Hastie, T., Narasimhan, B. & Chu, G. Diagnosis of multiple cancer types by shrunken centroids of gene expression. Pr...

造句：

1. Yes the new centroids are found using average.

是新的质心被发现使用的平均水平。

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2. Step 4 is where we find new centroids for the clusters.

第四步是我们找到了集群的新形心。

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3. Find the distance between centroids of the clusters and the data.

找到之间的联网和数据的质心的距离。

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4. Firstly, video objects were segmented and their centroids were calculated.

首先进行视频对象分割，求出运动目标的形心。

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5. Calculate the new centroids of the clusters now that its data may have moved.

计算各组的新的质心现在，它的数据可能移动。

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6. Calculate the distance from each data sample to the centroids you just created.

计算每个数据样例与刚刚创建的这些重心之间的距离。

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7. The centroids of localized orbitals (LMO_s) are used to determine the symmetry of LMO_s.

提出了利用定域分子轨道重心确定分子轨道的对称性。

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8. Fast searching centroids of 2d arbitrary shape is still a key problem in the fields of pattern recognition and object tracking.

快速搜索任意形状二维目标的质心，一直是模式识别、目标跟踪等领域中的关键问题。

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9. With several examples of single crystal structures of compounds incorporating aromatic rings, the criterion of the centroids distance of 0.

通过一些晶体结构的实例指出，目前广泛采用的质心距小于0。

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10. Segment alignment of tip-tilt is fulfilled by overlapping diffraction pattern centroids of the three individual segments on the focal plane.

该系统通过调整两块可动子镜，使其焦面光斑的质心位置与固定镜的重合校正子镜间的相对倾斜。

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11. The method firstly organizes support vectors in clusters in feature space, and then, it finds the pre-images of the cluster centroids in feature spa.

此方法首先在特征空间中对支持向量进行聚类，然后寻找特征空间中的聚类中心在输入空间中的原像以形成约简向量集。

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12. The experiment results show that the cluster initial centroids selected by the new method is more closed to the desired cluster centers, and the better clustering accuracy can be achieved.

仿真结果表明，该方法选择的聚类初始点更加接近期望的聚类中心，能获得更高的聚类精度。

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13. When the overlap of target occurs, the resulting centroid measurement of distributed image is a single merged measurement which is a linear combination of the centroids of individual targets.

当目标在传感器视场中交叉运动，图像相互重叠时，得到由两个目标形心位置线性组合的融合后的图象测量方程。

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14. To eliminate the influence of noise, the positions of centroids of clusters computed from the synthetic reflection coefficients can be selected as the new positions in the iterative processes.

为了消除噪声的影响，在进行计算时，选择某些集团重心位置作为迭代过程中的等价强反射层位置。在人工合成数据上的实验结果说明了方法的有效性。

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15. To eliminate the influence of noise, the positions of centroids of clusters computed from the synthetic reflection coefficients can be selected as the new positions in the iterative processes.

为了消除噪声的影响，在进行计算时，选择某些集团重心位置作为迭代过程中的等价强反射层位置。在人工合成数据上的实验结果说明了方法的有效性。

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