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Mean position of all the points in a shape
In mathematics and physics, the centroid, also known as geometric center or center of figure, of a plane figure or solid figure is the mean position of
Centroid
The following is a list of centroids of various two-dimensional and three-dimensional objects. The centroid of an object X {\displaystyle X} in n {\displaystyle
List_of_centroids
Measure used in digital signal processing
The spectral centroid is a measure used in digital signal processing to characterise a spectrum. It indicates where the center of mass of the spectrum
Spectral_centroid
Classification model in machine learning
In machine learning, a nearest centroid classifier or nearest prototype classifier is a classification model that assigns to observations the label of
Nearest_centroid_classifier
British holding company
developer Embryonic Studios and motion capture studio Centroid, which became TT Fusion and TT Centroid, respectively. On 8 November 2007, TT Games was bought
TT_Games
Shape with three sides
its centroid in a uniform gravitational field. The centroid cuts every median in the ratio 2:1, i.e. the distance between a vertex and the centroid is
Triangle
Results on the surface areas and volumes of surfaces and solids of revolution
In mathematics, Pappus's centroid theorem (also known as the Guldinus theorem, Pappus–Guldinus theorem or Pappus's theorem) is either of two related theorems
Pappus's_centroid_theorem
Algorithm used for points in euclidean space
repeatedly finds the centroid of each set in the partition and then re-partitions the input according to which of these centroids is closest. In this setting
Lloyd's_algorithm
Power-weighted mean wavelength
The centroid wavelength is the power-weighted mean wavelength: λ c = 1 P total ∫ p ( λ ) λ d λ , {\displaystyle \lambda _{\text{c}}={\frac {1}{P_{\text{total}}}}\int
Centroid_wavelength
Vector quantization algorithm minimizing the sum of squared deviations
belongs to the cluster with the nearest mean (cluster centers or cluster centroid). This results in a partitioning of the data space into Voronoi cells.
K-means_clustering
Line constructed from a triangle
determined from the triangle, including the orthocenter, the circumcenter, the centroid, the Exeter point and the center of the nine-point circle of the triangle
Euler_line
American sports equipment company
clubs, balls, and clothing. TaylorMade Golf is currently a subsidiary of Centroid Investment Partners after it was purchased from KPS Capital Partners in
TaylorMade
Geometric formula for finding the ratio in which a line segment is divided by a point
divided by a point internally or externally. It is used to find out the centroid, incenter and excenters of a triangle. In physics, it is used to find the
Section_formula
Fundamental unit of a texture map
between the centroids of each texel and the centroids of every surrounding texel for the entire texture. This results in each texel centroid having a Voronoi
Texel_(graphics)
Line segment joining a triangle's vertex to the midpoint of the opposite side
medians, one from each vertex, and they all intersect at the triangle's centroid. In the case of isosceles and equilateral triangles, a median bisects any
Median_(geometry)
Clustering evaluation metric
of squared Euclidean distances between each cluster centroid (mean) and the overall data centroid (mean): B C S S = ∑ i = 1 k n i | | c i − c | | 2 {\displaystyle
Calinski–Harabasz_index
There are two main methods of calculating this "centre": either as the centroid of the two-dimensional shape made by the country (projected to the Airy
Centre points of the United Kingdom
Centre_points_of_the_United_Kingdom
Algorithm in data mining
learning fields, k-means++ is an algorithm for choosing the initial values/centroids (or "seeds") for the k-means clustering algorithm. It was proposed in
K-means++
Maps whose domain and codomain are acted on by the same group, and the map commutes
not change its area or perimeter. However, triangle centers such as the centroid, circumcenter, incenter and orthocenter are not invariant, because moving
Equivariant_map
Point on a line segment which is equidistant from both endpoints
of a line segment. It is equidistant from both endpoints, and it is the centroid both of the segment and of the endpoints. It bisects the segment. The midpoint
Midpoint
Optical illusion
so-called centroid hypothesis, judgments of distance between visual objects are strongly affected by the neural computation of the centroids of the luminance
Müller-Lyer_illusion
Unique point where the weighted relative position of the distributed mass sums to zero
the body, and if the body has uniform density, it will be located at the centroid. The center of mass may be located outside the physical body, as is sometimes
Center_of_mass
Four-sided polygon
diagonals with the vertex centroid. The line is remarkable by the fact that it contains the (area) centroid. The vertex centroid divides the segment connecting
Quadrilateral
The Global Centroid Moment Tensor (GCMT) is a seismological and geophysical database of locations and source parameters for globally recorded earthquakes
Global_Centroid_Moment_Tensor
fixed point of its symmetry group. In particular this applies for the centroid of a figure, if it exists. In the case of a physical body, if for the symmetry
Fixed points of isometry groups in Euclidean space
Fixed_points_of_isometry_groups_in_Euclidean_space
Geographical point
(but different) center points are: the mean center, also known as the centroid or center of gravity; the median center, which is the intersection of the
Center_of_population
body's second moment of area about a parallel axis through the body's centroid, the area of the cross section, and the perpendicular distance (d) between
List of second moments of area
List_of_second_moments_of_area
Grouping a set of objects by similarity
observations. Recalculate centroids (see k-means clustering). Exit iff the new centroids are equivalent to the previous iteration's centroids. Else, repeat the
Cluster_analysis
Term in computer science
mesh. A triangle centroid is a center of mass location such that it would balance on a pencil tip. The simulation need only add a centroid dimension to the
Collision_detection
Molecular dynamics simulations augmented with quantum mechanics
simulation techniques that make use of the path integral formulation including centroid molecular dynamics (CMD), ring polymer molecular dynamics (RPMD), and the
Path integral molecular dynamics
Path_integral_molecular_dynamics
Voronoi tessellation where the generating point of each Voronoi cell is also its centroid
tessellation in which the generating point of each Voronoi cell is also its centroid (center of mass). It can be viewed as an optimal partition corresponding
Centroidal Voronoi tessellation
Centroidal_Voronoi_tessellation
Point in a triangle that can be seen as its middle under some criteria
that is in some sense in the middle of the triangle. For example, the centroid, circumcenter, incenter and orthocenter were familiar to the ancient Greeks
Triangle_center
Classical quantization technique from signal processing
same number of points closest to them. Each group is represented by its centroid point, as in k-means and some other clustering algorithms. In simpler terms
Vector_quantization
Plane figure bounded by line segments
triangles (n = 3), the centroids of the vertices and of the solid shape are the same, but, in general, this is not true for n > 3. The centroid of the vertex set
Polygon
Theorem in geometry
a vertex with the centroid of the opposite face – that is, the centroid of the opposite triangle. The point S is also the centroid of the tetrahedron
Commandino's_theorem
Process of turning a place name/address to coordinates
building centroids, land parcel centroids, interpolated locations based on thoroughfare ranges, street segments centroids, postal code centroids (e.g. ZIP
Address_geocoding
Statistical distance measure
divergence; it is the quantum analog of the Fisher information metric. The centroid C* of a finite set of probability distributions can be defined as the minimizer
Jensen–Shannon_divergence
Mathematical construct in engineering
area of an I-beam is located at the maximum possible distance from the centroid of the I-beam's cross-section. The planar second moment of area provides
Second_moment_of_area
Geographical term
In geography, the centroid of the two-dimensional shape of a region of Earth's surface (projected radially to sea level or onto a geoid surface) is known
Geographical_centre
Circumellipse of a triangle whose center is the triangle's centroid
that touches the triangle at its vertices) whose center is the triangle's centroid. It is also called the Steiner circumellipse, to distinguish it from the
Steiner_ellipse
Triangle with at least two sides congruent
triangle's orthocenter (the intersection of its three altitudes), its centroid (the intersection of its three medians), and its circumcenter (the intersection
Isosceles_triangle
Mathematical study of triangle properties (19th century–present)
fact, Euclid's Elements contains description of the four special points – centroid, incenter, circumcenter and orthocenter - associated with a triangle. Even
Modern_triangle_geometry
Problem in natural language processing and information retrieval
finding terms that occur frequently in the centroid or finding the document that lies closest to the centroid. A frequently used model in the field of information
Cluster_labeling
Intersection of triangle altitudes
triangle, all triangle centers (including the orthocenter) coincide at its centroid. Let A, B, C denote the vertices and also the angles of the triangle, and
Orthocenter
Subset of artificial intelligence
dataset into a specified number of clusters, k, each represented by the centroid of its points. This process condenses extensive datasets into a more compact
Machine_learning
Type of clustering of data points
{\displaystyle \varepsilon } , the given sensitivity threshold) : Compute the centroid for each cluster (shown below). For each data point, compute its coefficients
Fuzzy_clustering
moment magnitudes taken from the Global Centroid Moment Tensor Database and its predecessor, the Harvard Centroid Moment Tensor Database. Where these magnitude
List of deadly earthquakes since 1900
List_of_deadly_earthquakes_since_1900
Generalization of centroids to metric spaces
In mathematics and statistics, the Fréchet mean is a generalization of centroids to metric spaces, giving a single representative point or central tendency
Fréchet_mean
Intersection of the three symmedian lines of a triangle
bisectors) of a triangle. In other words, it is the isogonal conjugate of the centroid of a triangle. Ross Honsberger called its existence "one of the crown jewels
Lemoine_point
Unique ellipse tangent to all 3 midpoints of a given triangle's sides
through the vertices of a given triangle and whose center is the triangle's centroid. Definition An ellipse that is tangent to the sides of a triangle △ABC
Steiner_inellipse
Objects maximally similar to other objects in a dataset
means or centroids, but medoids are always restricted to be members of the data set. Medoids are most commonly used on data when a mean or centroid cannot
Medoid
decomposition of comparison attributes and rating assignment using rank order centroids. The MAGIQ technique is used to assign a single, overall measure of quality
Multi-attribute global inference of quality
Multi-attribute_global_inference_of_quality
Algorithm in genetics published in 2010
states that any given cluster's centroid sequence will have a similarity smaller than T to any other clusters' centroid sequence. The second criterion
UCLUST
Weighted average/moment of some pixel intensities
which are found via image moments include area (or total intensity), its centroid, and information about its orientation. For a 2D continuous function f(x
Image_moment
Tetrahedron where all pairs of opposite edges are perpendicular
symmetric point of the center of the circumscribed sphere with respect to the centroid. Hence the orthocenter coincides with the Monge point of the tetrahedron
Orthocentric_tetrahedron
Watertight buoyant body of a ship or boat
position of the centroid of the displaced volume, often given as the distance from a point of reference (often midships) to the centroid of the static displaced
Hull_(watercraft)
Triangle center
the recent triangle centers, unlike the classical triangle centers like centroid, incenter, and Steiner point. The Exeter point is defined as follows. Let
Exeter_point
Solved problem in mathematics
and H {\displaystyle H} are located on the Euler line together with the centroid S {\displaystyle S} the following equation holds: O H → = 3 ⋅ O S → {\displaystyle
Sylvester's_triangle_problem
Conic plane curve associated with a given triangle
its centre at the centroid of the reference triangle; the Kiepert hyperbola which is a conic passing through the vertices, the centroid and the orthocentre
Triangle_conic
Sudden movement of the Earth's crust
...7..336W. doi:10.1130/0091-7613(1979)7<336:EMEMOE>2.0.CO;2. "Global Centroid Moment Tensor Catalog". Globalcmt.org. Archived from the original on 2011-07-19
Earthquake
Metric for evaluating clustering algorithms
{\displaystyle \mathbb {R} ^{n}} , let A i {\displaystyle A_{i}} be the centroid of cluster i. Define S i = ( 1 T i ∑ j = 1 T i | | X j − A i | | p q )
Davies–Bouldin_index
Polyhedron with four faces
point called the centroid of the tetrahedron. In addition, the four medians are divided in a 3:1 ratio by the centroid. The centroid of a tetrahedron
Tetrahedron
Property of points all lying on a single line
centroid (the intersection of the two bimedians), and the anticenter are collinear. In a cyclic quadrilateral, the area centroid, the vertex centroid
Collinearity
Measurement of a shape about a certain axis
the axis [Σad]. First moment of area is commonly used to determine the centroid of an area. Given an area A of any shape and a division of that area into
First_moment_of_area
Type of optical instrument
quad-cell). The SHWFS samples wavefronts using lenslet arrays to estimate centroids of the image formed referred to as a spot field. If the sensor is placed
Shack–Hartmann wavefront sensor
Shack–Hartmann_wavefront_sensor
Deformation due to shear stress
without inducing any torsion. In general, the shear center is not the centroid. For cross-sectional areas having one axis of symmetry, the shear center
Shearing_(physics)
Center of the inscribed circle of a triangle
center point of the inscribed circle of the triangle. Together with the centroid, circumcenter, and orthocenter, it is one of the four triangle centers
Incenter
Region where Earth's magnetic field is weakest relative to an idealised dipole
the centroid of the flux, which is less sensitive to sampling noise and more representative of the feature as a whole. In January 2021, the centroid was
South_Atlantic_Anomaly
Reflection of a triangle vertex's median over its angle bisector
bisector. In short, they are the lines of symmetry of the incentre and centroid. The three symmedians meet at a triangle center called the Lemoine point
Symmedian
Point pair associated with plane triangles
outwardly drawn equilateral triangles △DBC, △ECA, △FAB respectively. Let the centroids of these triangles be X, Y, Z respectively. Then the lines AX, BY, CZ
Napoleon_points
Method to analyze non-binary inputs
correctly in practice. If you have problems figuring out the centroid equation, remember that a centroid is defined by summing all the moments (location times
Fuzzy_control_system
Theorem in geometry
triangles constructed on its sides' exteriors, and points L, M, N are the centroids of those triangles. The theorem for outer triangles states that triangle
Napoleon's_theorem
Multiple earthquakes with nearly identical waveforms originating from the same location
1147) define doublets more precisely as "pairs of large earthquakes whose centroids are closer than their rupture size and whose interevent time is shorter
Doublet_earthquake
United States Marine Corps artillery base in Vietnam
southwest of Cam Lộ, Quang Tri Province. Camp Carroll was also at the centroid of a large arc of the strategic Highway 9 corridor south of the Vietnamese
Camp_Carroll
Type of three-dimensional shape
length of the circle described by the figure's centroid multiplied by the figure's area (Pappus's second centroid theorem). A representative disc is a three-dimensional
Solid_of_revolution
Data clustering algorithm
it uses centroids of the clusters and assigns each data point to the cluster with the closest centroid.[citation needed] Using only the centroid to redistribute
CURE_algorithm
American artist (born 1978)
Commodore John Rogers in East Baltimore. Since 2014, he has worked on Centroid Towns, an anthology of stories connecting the cities that have been the
Nate_Larson
Measurement device
locations along the beam path. Beam wander or jitter: The amount that the centroid or peak value of the beam profile moves with time. Instruments and techniques
Laser_beam_profiler
geometric shape. Then, the centroid of this shape, called the fuzzy centroid, is calculated. The x coordinate of the centroid is the defuzzified value.
Defuzzification
Convex polygon that contains an inscribed circle
the same interior angles in the same sequence. The centroid of any tangential polygon, the centroid of its boundary points, and the center of the inscribed
Tangential_polygon
Cluster analysis algorithm
where instead of calculating the mean for each cluster to determine its centroid, one instead calculates the median. This has the effect of minimizing error
K-medians_clustering
Geometric property of a structural member
the PNA, each multiplied by the distance from their respective local centroids to the PNA. Z = A C y C + A T y T {\displaystyle Z=A_{C}y_{C}+A_{T}y_{T}}
Section_modulus
product. Both the ONSPD and NSPL contain Northern Ireland postcodes, with centroid coordinates in the OSI grid as opposed to the OSGB grid, although Northern
Postcodes in the United Kingdom
Postcodes_in_the_United_Kingdom
Statistical test
used to compare groups of objects and test the null hypothesis that the centroids and dispersion of the groups as defined by measure space are equivalent
Permutational analysis of variance
Permutational_analysis_of_variance
Image file format with multiple editions
information is rendered with the expectation of indicating rectangles by their centroid, rather than being pixel data directly, or being 'first corner and flood'
JPEG_File_Interchange_Format
image plane, then determining the centroid of the PSF. Circles of increasing radius are then created at that centroid and the PSF energy within each circle
Encircled_energy
Surface of revolution with a hole in the middle
V=2\pi ^{2}r^{2}R} S = 4 π 2 r R {\displaystyle S=4\pi ^{2}rR} Pappus's centroid theorem generalizes the formulas here to arbitrary surfaces of revolution
Toroid
Swiss mathematician and astronomer (1577–1643)
(This theorem is also known as the Pappus–Guldinus theorem and Pappus's centroid theorem, attributed to Pappus of Alexandria.) Guldin was noted for his
Paul_Guldin
Measure of earthquake size
Derived from a centroid moment tensor inversion of intermediate- and long-period body- and surface-waves. Mww – Derived from a centroid moment tensor inversion
Moment_magnitude_scale
Width of an electromagnetic beam
_{-\infty }^{\infty }\int _{-\infty }^{\infty }I(x,y)\,dx\,dy}}} is the centroid of the beam profile in the x direction. When a beam is measured with a
Beam_diameter
Area ratio of one triangle and the triangle formed by the intersections of three cevians
x=y=z=1} case implies that the three medians are concurrent (through the centroid). Suppose that the area of triangle A B C {\displaystyle ABC} is 1. For
Routh's_theorem
Geometric property of certain lines with respect to a given triangle
perspectivity is the antiorthic axis of △ABC. The trilinear coordinates of the centroid X2 (also denoted by G) of △ABC are: 1 a : 1 b : 1 c {\displaystyle {\frac
Central_line_(geometry)
ways. The "vertex centroid" comes from considering the polygon as being empty but having equal masses at its vertices. The "side centroid" comes from considering
Centre_(geometry)
On centroids of sets of lattice points
every set of integer lattice points in the plane has a large subset whose centroid is also a lattice point. It was proved independently in the autumn of 2003
Kemnitz's_conjecture
List of points considered center of a triangle
ETC reference Name Definition X(1) Incenter center of the incircle X(2) Centroid intersection of the three medians X(3) Circumcenter center of the circumscribed
Encyclopedia of Triangle Centers
Encyclopedia_of_Triangle_Centers
Solid with four equal triangular faces
3 2 a {\textstyle {\frac {\sqrt {3}}{2}}a} . The distance between the centroid and a vertex has two different lengths; the longest is two-thirds of the
Regular_tetrahedron
the red line is the imaginary part, the black line is the wave envelope (absolute value) and the green line is the centroid of the wave packet envelope.
Eckhaus_equation
Magnitude 7.8 earthquake in the Philippines
Retrieved June 8, 2026. "Offshore Sarangani, Philippines". DOST-PHIVOLCS Centroid Moment Tensor Catalog. DOST-Philippine Institute of Volcanology and Seismology
2026_Mindanao_earthquake
Polyhedra in which all vertices are the same
is constructed by separating the cube or octahedron's faces from their centroids and filling them with squares. Snub is a construction process of polyhedra
Archimedean_solid
Data processing algorithm
even in the presence of noise and outliers. Given a set of n objects, centroid-based algorithms create k partitions based on a dissimilarity function
Automatic clustering algorithms
Automatic_clustering_algorithms
CENTROID
CENTROID
CENTROID
CENTROID
Male
Egyptian
, the Chief of Terrors.
Boy/Male
Tamil
Pratapavate | பà¯à®°à®¤à®¾à®ªà®µà®¾à®¤à¯‡
Known for valour
Boy/Male
Christian, Indian
Lord Krishna
Girl/Female
Tamil
Boy/Male
Arabic
Desert
Boy/Male
Tamil
Helping others
Girl/Female
Arabic, Indian, Kannada, Muslim
Proper Name; Black; A Wife of the Prophet
Boy/Male
Arabic, Muslim
Help; Support
Surname or Lastname
English
English : probably a topographic name for someone who lived by a quince tree or a metonymic occupational name for a grower or seller of quinces, from Middle English, Old French cooin ‘quince’.
Girl/Female
Hindu, Indian
Fame; Reputation; Popularity; Famous
CENTROID
CENTROID
CENTROID
CENTROID
CENTROID
n.
The center of mass, inertia, or gravity of a body or system of bodies.