opencv_core.Moments (JavaCPP Presets for OpenCV 3.4.3-1.4.3 API)

java.lang.Object
- org.bytedeco.javacpp.Pointer
- - org.bytedeco.javacpp.opencv_core.Moments

All Implemented Interfaces:

AutoCloseable

Enclosing class:

opencv_core
```
@Namespace(value="cv")
 @NoOffset
public static class opencv_core.Moments
extends org.bytedeco.javacpp.Pointer
```
\} core_basic
///////////////////////// raster image moments //////////////////////////
\addtogroup imgproc_shape \{
/** \brief struct returned by cv::moments
The spatial moments \f$\texttt{Moments::m}_{ji}\f$ are computed as:
\f[\texttt{m} _{ji}= \sum _{x,y} \left ( \texttt{array} (x,y) \cdot x^j \cdot y^i \right )\f]
The central moments \f$\texttt{Moments::mu}_{ji}\f$ are computed as:
\f[\texttt{mu} _{ji}= \sum _{x,y} \left ( \texttt{array} (x,y) \cdot (x - \bar{x} )^j \cdot (y - \bar{y} )^i \right )\f]
where \f$(\bar{x}, \bar{y})\f$ is the mass center:
\f[\bar{x} = \frac{\texttt{m}_{10}}{\texttt{m}_{00}} , \; \bar{y} = \frac{\texttt{m}_{01}}{\texttt{m}_{00}}\f]
The normalized central moments \f$\texttt{Moments::nu}_{ij}\f$ are computed as:
\f[\texttt{nu} _{ji}= \frac{\texttt{mu}_{ji}}{\texttt{m}_{00}^{(i+j)/2+1}} .\f]
\note \f$\texttt{mu}_{00}=\texttt{m}_{00}\f$, \f$\texttt{nu}_{00}=1\f$ \f$\texttt{nu}_{10}=\texttt{mu}_{10}=\texttt{mu}_{01}=\texttt{mu}_{10}=0\f$ , hence the values are not stored.
The moments of a contour are defined in the same way but computed using the Green's formula (see ). So, due to a limited raster resolution, the moments computed for a contour are slightly different from the moments computed for the same rasterized contour.
\note Since the contour moments are computed using Green formula, you may get seemingly odd results for contours with self-intersections, e.g. a zero area (m00) for butterfly-shaped contours.

Nested Class Summary
- Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer
  org.bytedeco.javacpp.Pointer.CustomDeallocator, org.bytedeco.javacpp.Pointer.Deallocator, org.bytedeco.javacpp.Pointer.NativeDeallocator

Field Summary
- Fields inherited from class org.bytedeco.javacpp.Pointer
  address, capacity, limit, position

Constructor Summary

Constructors
Constructor and Description
`Moments()` the default constructor
`Moments(double m00, double m10, double m01, double m20, double m11, double m02, double m30, double m21, double m12, double m03)` the full constructor
`Moments(long size)` Native array allocator.
`Moments(org.bytedeco.javacpp.Pointer p)` Pointer cast constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double`	`m00()` \name spatial moments \{
`opencv_core.Moments`	`m00(double m00)`
`double`	`m01()`
`opencv_core.Moments`	`m01(double m01)`
`double`	`m02()`
`opencv_core.Moments`	`m02(double m02)`
`double`	`m03()`
`opencv_core.Moments`	`m03(double m03)`
`double`	`m10()`
`opencv_core.Moments`	`m10(double m10)`
`double`	`m11()`
`opencv_core.Moments`	`m11(double m11)`
`double`	`m12()`
`opencv_core.Moments`	`m12(double m12)`
`double`	`m20()`
`opencv_core.Moments`	`m20(double m20)`
`double`	`m21()`
`opencv_core.Moments`	`m21(double m21)`
`double`	`m30()`
`opencv_core.Moments`	`m30(double m30)`
`double`	`mu02()`
`opencv_core.Moments`	`mu02(double mu02)`
`double`	`mu03()`
`opencv_core.Moments`	`mu03(double mu03)`
`double`	`mu11()`
`opencv_core.Moments`	`mu11(double mu11)`
`double`	`mu12()`
`opencv_core.Moments`	`mu12(double mu12)`
`double`	`mu20()` \}
`opencv_core.Moments`	`mu20(double mu20)`
`double`	`mu21()`
`opencv_core.Moments`	`mu21(double mu21)`
`double`	`mu30()`
`opencv_core.Moments`	`mu30(double mu30)`
`double`	`nu02()`
`opencv_core.Moments`	`nu02(double nu02)`
`double`	`nu03()`
`opencv_core.Moments`	`nu03(double nu03)`
`double`	`nu11()`
`opencv_core.Moments`	`nu11(double nu11)`
`double`	`nu12()`
`opencv_core.Moments`	`nu12(double nu12)`
`double`	`nu20()` \}
`opencv_core.Moments`	`nu20(double nu20)`
`double`	`nu21()`
`opencv_core.Moments`	`nu21(double nu21)`
`double`	`nu30()`
`opencv_core.Moments`	`nu30(double nu30)`
`opencv_core.Moments`	`position(long position)`

Methods inherited from class org.bytedeco.javacpp.Pointer
address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, hashCode, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, parseBytes, physicalBytes, position, put, realloc, setNull, sizeof, toString, totalBytes, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Moments
```
public Moments(org.bytedeco.javacpp.Pointer p)
```
Pointer cast constructor. Invokes Pointer.Pointer(Pointer).

Moments
```
public Moments(long size)
```
Native array allocator. Access with Pointer.position(long).

Moments
```
public Moments()
```
the default constructor

Moments

public Moments(double m00,
               double m10,
               double m01,
               double m20,
               double m11,
               double m02,
               double m30,
               double m21,
               double m12,
               double m03)

the full constructor

Method Detail

position
```
public opencv_core.Moments position(long position)
```
Overrides:

position in class org.bytedeco.javacpp.Pointer

m00
```
public double m00()
```
\name spatial moments \{

m00

public opencv_core.Moments m00(double m00)

m10
```
public double m10()
```

m10

public opencv_core.Moments m10(double m10)

m01
```
public double m01()
```

m01

public opencv_core.Moments m01(double m01)

m20
```
public double m20()
```

m20

public opencv_core.Moments m20(double m20)

m11
```
public double m11()
```

m11

public opencv_core.Moments m11(double m11)

m02
```
public double m02()
```

m02

public opencv_core.Moments m02(double m02)

m30
```
public double m30()
```

m30

public opencv_core.Moments m30(double m30)

m21
```
public double m21()
```

m21

public opencv_core.Moments m21(double m21)

m12
```
public double m12()
```

m12

public opencv_core.Moments m12(double m12)

m03
```
public double m03()
```

m03

public opencv_core.Moments m03(double m03)

mu20
```
public double mu20()
```
\}
\name central moments \{

mu20

public opencv_core.Moments mu20(double mu20)

mu11
```
public double mu11()
```

mu11

public opencv_core.Moments mu11(double mu11)

mu02
```
public double mu02()
```

mu02

public opencv_core.Moments mu02(double mu02)

mu30
```
public double mu30()
```

mu30

public opencv_core.Moments mu30(double mu30)

mu21
```
public double mu21()
```

mu21

public opencv_core.Moments mu21(double mu21)

mu12
```
public double mu12()
```

mu12

public opencv_core.Moments mu12(double mu12)

mu03
```
public double mu03()
```

mu03

public opencv_core.Moments mu03(double mu03)

nu20
```
public double nu20()
```
\}
\name central normalized moments \{

nu20

public opencv_core.Moments nu20(double nu20)

nu11
```
public double nu11()
```

nu11

public opencv_core.Moments nu11(double nu11)

nu02
```
public double nu02()
```

nu02

public opencv_core.Moments nu02(double nu02)

nu30
```
public double nu30()
```

nu30

public opencv_core.Moments nu30(double nu30)

nu21
```
public double nu21()
```

nu21

public opencv_core.Moments nu21(double nu21)

nu12
```
public double nu12()
```

nu12

public opencv_core.Moments nu12(double nu12)

nu03
```
public double nu03()
```

nu03

public opencv_core.Moments nu03(double nu03)

Class opencv_core.Moments

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

Constructor Summary

Method Summary

Methods inherited from class org.bytedeco.javacpp.Pointer

Methods inherited from class java.lang.Object

Constructor Detail

Moments

Moments

Moments

Moments

Method Detail

position

m00

m00

m10

m10

m01

m01

m20

m20

m11

m11

m02

m02

m30

m30

m21

m21

m12

m12

m03

m03

mu20

mu20

mu11

mu11

mu02

mu02

mu30

mu30

mu21

mu21

mu12

mu12

mu03

mu03

nu20

nu20

nu11

nu11

nu02

nu02

nu30

nu30

nu21

nu21

nu12

nu12

nu03

nu03