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).
References in periodicals archive ?
Additionally, the centroid of luminosity for each image was calculated as the brightness-weighted average of the x and y coordinates of all pixels.
By keeping information about closer centroid for every processed record, many of the distance calculations can be avoided.
c]) is the centroid of this cake, which is computed by equation 2.
Lifting platform can load heavy goods to change centroid of vehicle body.
The result of k-means algorithm depends highly upon the choice of initial centroids (Erisoglu et al.
Clustering of HEIs based on the Cluster Algorithm Number of clusters: 3 Number of within cluster Average distance observations sum of squares from centroid Cluster1 6 3.
At last, the data set is divided by the above mentioned natural cluster centroid, and the principle of dividing the data is still in the form of the formula (18).
As illustrated in (1), the centroid of a group with respect to an input is the sum of the values of that input that are grouped, divided by the number of sets corresponding to that group.
The reason is that LBP histogram data and more complex, and cluster centroid fluctuations, in further by calculating the center of mass of the patch with the centroid of the Euclidean distance and fluctuation further enlarged, resulting in the classification results of insufficient reliability problems.
We plotted the similarity measure between the clusters computed with the three k-means algorithms with the same initial centroid in Figure 5 and the three k-means algorithms with different initial centroids in Figure 6.
Five subjective metrics, including loudness, sharpness, tonality, spectral centroid and Kurtosis, are analyzed for the cases with various gear faults.
The predetermined LSP 3-subtype centroid predictor was then applied to all 4 data sets, and results were compared with tumor morphologic classifications.