Struct Moments

Represents all the moments up to the third order of a polygon or rasterized shape.

Namespace: OpenCV.Net

Assembly: OpenCV.Net.dll

Syntax

public struct Moments

Constructors

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Moments(CVHandle, Boolean)

Initializes a new instance of the Moments structure from the specified polygon or rasterized shape.

Declaration

public Moments(CVHandle arr, bool binary = false)

Parameters

Type	Name	Description
CVHandle	arr	The handle to the polygon (Seq) or rasterized shape (IplImage) from which to compute the moments.
Boolean	binary	If true, all non-zero image pixels are treated as one. Used for images only.

Fields

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InvSqrtM00

The inverse of the square root of the first spatial moment.

Declaration

public double InvSqrtM00

Field Value

Type	Description
Double

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M00

The spatial moments of the polygon or rasterized shape.

Declaration

public double M00

Field Value

Type	Description
Double

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M01

The spatial moments of the polygon or rasterized shape.

Declaration

public double M01

Field Value

Type	Description
Double

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M02

The spatial moments of the polygon or rasterized shape.

Declaration

public double M02

Field Value

Type	Description
Double

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M03

The spatial moments of the polygon or rasterized shape.

Declaration

public double M03

Field Value

Type	Description
Double

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M10

The spatial moments of the polygon or rasterized shape.

Declaration

public double M10

Field Value

Type	Description
Double

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M11

The spatial moments of the polygon or rasterized shape.

Declaration

public double M11

Field Value

Type	Description
Double

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M12

The spatial moments of the polygon or rasterized shape.

Declaration

public double M12

Field Value

Type	Description
Double

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M20

The spatial moments of the polygon or rasterized shape.

Declaration

public double M20

Field Value

Type	Description
Double

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M21

The spatial moments of the polygon or rasterized shape.

Declaration

public double M21

Field Value

Type	Description
Double

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M30

The spatial moments of the polygon or rasterized shape.

Declaration

public double M30

Field Value

Type	Description
Double

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Mu02

The central moments of the polygon or rasterized shape.

Declaration

public double Mu02

Field Value

Type	Description
Double

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Mu03

The central moments of the polygon or rasterized shape.

Declaration

public double Mu03

Field Value

Type	Description
Double

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Mu11

The central moments of the polygon or rasterized shape.

Declaration

public double Mu11

Field Value

Type	Description
Double

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Mu12

The central moments of the polygon or rasterized shape.

Declaration

public double Mu12

Field Value

Type	Description
Double

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Mu20

The central moments of the polygon or rasterized shape.

Declaration

public double Mu20

Field Value

Type	Description
Double

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Mu21

The central moments of the polygon or rasterized shape.

Declaration

public double Mu21

Field Value

Type	Description
Double

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Mu30

The central moments of the polygon or rasterized shape.

Declaration

public double Mu30

Field Value

Type	Description
Double

Methods

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GetCentralMoment(Int32, Int32)

Gets the central moment with the specified xOrder and yOrder.

Declaration

public double GetCentralMoment(int xOrder, int yOrder)

Parameters

Type	Name	Description
Int32	xOrder	The x-order of the retrieved moment.
Int32	yOrder	The y-order of the retrieved moment.

Returns

Type	Description
Double	The central moment with the specified `xOrder` and `yOrder`.

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GetHuMoments()

Computes the seven Hu moments invariant to image scale, rotation, and reflection except the seventh one, whose sign is changed by reflection.

Declaration

public HuMoments GetHuMoments()

Returns

Type	Description
HuMoments	An instance of HuMoments containing the seven Hu moments.

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GetNormalizedCentralMoment(Int32, Int32)

Gets the normalized central moment with the specified xOrder and yOrder.

Declaration

public double GetNormalizedCentralMoment(int xOrder, int yOrder)

Parameters

Type	Name	Description
Int32	xOrder	The x-order of the retrieved moment.
Int32	yOrder	The y-order of the retrieved moment.

Returns

Type	Description
Double	The normalized central moment with the specified `xOrder` and `yOrder`.

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GetSpatialMoment(Int32, Int32)

Gets the spatial moment with the specified xOrder and yOrder.

Declaration

public double GetSpatialMoment(int xOrder, int yOrder)

Parameters

Type	Name	Description
Int32	xOrder	The x-order of the retrieved moment.
Int32	yOrder	The y-order of the retrieved moment.

Returns

Type	Description
Double	The spatial moment with the specified `xOrder` and `yOrder`.