centroid

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centroid

(sĕn′troyd) [″+ ″]
A mathematically calculated center of a complex or three-dimensional object (e.g., the left ventricle of the heart, a polypeptide, or a rural county).
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References in periodicals archive ?
Let C={[c.sub.0], [c.sub.1],..., [c.sub.k]} be the cluster centroids and D={[d.sub.0], [d.sub.1],...
Centroids and other summary information such as the number of objects and density are then calculated for the clusters.
After assigning each point [x.sub.i] to the closest cluster [c.sub.j], the centroids are re-calculated by compute the average of all points within the cluster as follows [1]:
(5) Use the modified polygon centroids from G to replace the correspondingly protected points f [member of] A, and then issue the new trajectory data I'.
On July 20, the trajectory of the sun image centroids was close to the principal point with a mean distance of 220.6 pixels.
The objective is to find a cluster assignment that minimizes the sum-of-squares loss between the samples and the corresponding centroids in the kernel space.
To establish the relationship between the individual vertebrae and the whole spine, we extract vertebral centroids as a shared feature from the segmented result.
where [X.sub.c] and [Y.sub.c] are the centroid coordinates of area-weighted suitability types, [X.sub.i] and [Y.sub.i] are the centroid coordinates of i th patch, [C.sub.i] is the area of all patches in i th suitable grade, n is total numbers of all landscape patches.
Calculate the average node distance from the centroid using
Points representing nanoparticle "centroids" were then placed in the open space around the circles subject to the constraint that no point centroid could be placed inside of a circle (Figures 4(b) and 4(e)).