Mat Class

OpenCvSharp Class Library

OpenCV C++ n-dimensional dense array class (cv::Mat)

Inheritance Hierarchy

SystemObject
  OpenCvSharpDisposableObject
    OpenCvSharpDisposableCvObject
      OpenCvSharp.CPlusPlusMat
        OpenCvSharp.CPlusPlusMatTElem, TInherit

Namespace: OpenCvSharp.CPlusPlus
Assembly: OpenCvSharp.CPlusPlus (in OpenCvSharp.CPlusPlus.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C++

Copy

public class Mat : DisposableCvObject, ICloneable

Public Class Mat
	Inherits DisposableCvObject
	Implements ICloneable

public ref class Mat : public DisposableCvObject, 
	ICloneable

type Mat =  
    class
        inherit DisposableCvObject
        interface ICloneable
    end

The Mat type exposes the following members.

Constructors

	Name	Description
	Mat	Creates empty Mat
	Mat(IntPtr)	Creates from native cv::Mat* pointer
	Mat(IEnumerableInt32, MatType)	constructs n-dimensional matrix
	Mat(String, LoadMode)	Loads an image from a file. (cv::imread)
	Mat(CvMat, Boolean)	converts old-style CvMat to the new matrix; the data is not copied by default
	Mat(IplImage, Boolean)	converts old-style IplImage to the new matrix; the data is not copied by default
	Mat(Mat, Range)	creates a matrix header for a part of the bigger matrix
	Mat(Mat, Rect)	creates a matrix header for a part of the bigger matrix
	Mat(Size, MatType)	constructs 2D matrix of the specified size and type
	Mat(IEnumerableInt32, MatType, Scalar)	constructs n-dimensional matrix
	Mat(Int32, Int32, MatType)	constructs 2D matrix of the specified size and type
	Mat(Mat, Range, NullableRange)	creates a matrix header for a part of the bigger matrix
	Mat(Size, MatType, Scalar)	constucts 2D matrix and fills it with the specified Scalar value.
	Mat(IEnumerableInt32, MatType, Array, IEnumerableInt64)	constructor for matrix headers pointing to user-allocated data
	Mat(IEnumerableInt32, MatType, IntPtr, IEnumerableInt64)	constructor for matrix headers pointing to user-allocated data
	Mat(Int32, Int32, MatType, Scalar)	constucts 2D matrix and fills it with the specified Scalar value.
	Mat(Int32, Int32, MatType, Array, Int64)	constructor for matrix headers pointing to user-allocated data
	Mat(Int32, Int32, MatType, IntPtr, Int64)	constructor for matrix headers pointing to user-allocated data

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Properties

	Name	Description
	AllocatedMemory	Gets or sets a memory address allocated by AllocMemory. (Inherited from DisposableObject.)
	AllocatedMemorySize	Gets or sets the byte length of the allocated memory (Inherited from DisposableObject.)
	Col	Indexer to access Mat column as Mat
	ColExpr	Indexer to access Mat column as MatExpr
	Cols	the number of columns or -1 when the array has more than 2 dimensions
	CvPtr	Native pointer of OpenCV structure (Inherited from DisposableCvObject.)
	Data	pointer to the data
	DataEnd	The pointer that is possible to compute a relative sub-array position in the main container array using locateROI()
	DataLimit	The pointer that is possible to compute a relative sub-array position in the main container array using locateROI()
	DataPointer	unsafe pointer to the data
	DataStart	The pointer that is possible to compute a relative sub-array position in the main container array using locateROI()
	Expr	Indexer to access partial Mat as MatExpr
	Height	the number of rows or -1 when the array has more than 2 dimensions
	IsDisposed	Gets a value indicating whether this instance has been disposed. (Inherited from DisposableObject.)
	IsEnabledDispose	Gets or sets a value indicating whether you permit disposing this instance. (Inherited from DisposableObject.)
	ItemRange	Extracts a rectangular submatrix.
	ItemRect	Extracts a rectangular submatrix.
	ItemRange, Range	Extracts a rectangular submatrix.
	ItemInt32, Int32, Int32, Int32	Extracts a rectangular submatrix.
	Refcount	pointer to the reference counter; when matrix points to user-allocated data, the pointer is NULL
	Row	Indexer to access Mat row as Mat
	RowExpr	Indexer to access Mat row as MatExpr
	Rows	the number of rows or -1 when the array has more than 2 dimensions
	Width	the number of columns or -1 when the array has more than 2 dimensions

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Methods

	Name	Description
	Abs	Computes absolute value of each matrix element
	Accumulate	Adds an image to the accumulator.
	AccumulateSquare	Adds the square of a source image to the accumulator.
	AdaptiveBilateralFilter	Applies the adaptive bilateral filter to an image.
	AdaptiveThreshold	Applies an adaptive threshold to an array. Source matrix must be 8-bit single-channel image.
	Add	Adds elements to the bottom of the matrix. (Mat.push_back)
	AdjustROI	Adjusts a submatrix size and position within the parent matrix.
	Alignment
	AllocGCHandle	Pins the object to be allocated by cvSetData. (Inherited from DisposableObject.)
	AllocMemory	Allocates the specified size of memory. (Inherited from DisposableObject.)
	ApproxPolyDP	Approximates contour or a curve using Douglas-Peucker algorithm. The input is the polygon or curve to approximate and it must be 1 x N or N x 1 matrix of type CV_32SC2 or CV_32FC2.
	ArcLength	Calculates a contour perimeter or a curve length. The input is 2D point set, represented by CV_32SC2 or CV_32FC2 matrix.
	AssignTo(Mat)	Provides a functional form of convertTo.
	AssignTo(Mat, MatType)	Provides a functional form of convertTo.
	AtT(Int32)	Returns a value to the specified array element.
	AtT(Int32)	Returns a value to the specified array element.
	AtT(Int32, Int32)	Returns a value to the specified array element.
	AtT(Int32, Int32, Int32)	Returns a value to the specified array element.
	BilateralFilter	Applies bilateral filter to the image The source image must be a 8-bit or floating-point, 1-channel or 3-channel image.
	Blur	Smoothes image using normalized box filter
	BoundingRect	Calculates the up-right bounding rectangle of a point set. The input is 2D point set, represented by CV_32SC2 or CV_32FC2 matrix.
	BoxFilter	Smoothes image using box filter
	Canny	Finds edges in an image using Canny algorithm.
	CastTMat	Creates type-specific Mat instance from this.
	Channels	Returns the number of matrix channels.
	CheckRange(Boolean)	checks that each matrix element is within the specified range.
	CheckRange(Boolean, Point, Double, Double)	checks that each matrix element is within the specified range.
	CheckVector(Int32)
	CheckVector(Int32, Int32)
	CheckVector(Int32, Int32, Boolean)
	Circle(Point, Int32, Scalar, Int32, LineType, Int32)	Draws a circle
	Circle(Int32, Int32, Int32, Scalar, Int32, LineType, Int32)	Draws a circle
	Clone	Creates a full copy of the matrix.
	Clone(Rect)	Returns the partial Mat of the specified Mat
	ColRange(Range)
	ColRange(Int32, Int32)
	CompleteSymm	extends the symmetrical matrix from the lower half or from the upper half
	ContourArea	Calculates the contour area. The input is 2D point set, represented by CV_32SC2 or CV_32FC2 matrix.
	ConvertScaleAbs	Scales, computes absolute values and converts the result to 8-bit.
	ConvertTo	Converts an array to another data type with optional scaling.
	ConvexHull	Computes convex hull for a set of 2D points.
	ConvexHullFloatPoints	Computes convex hull for a set of 2D points.
	ConvexHullIndices	Computes convex hull for a set of 2D points.
	ConvexHullPoints	Computes convex hull for a set of 2D points.
	ConvexityDefects	Computes the contour convexity defects
	ConvexityDefectsAsVec	Computes the contour convexity defects
	CopyMakeBorder	Forms a border around the image
	CopyTo(Mat)	Copies the matrix to another one.
	CopyTo(Mat, Mat)	Copies the matrix to another one.
	CornerEigenValsAndVecs	computes both eigenvalues and the eigenvectors of 2x2 derivative covariation matrix at each pixel. The output is stored as 6-channel matrix.
	CornerSubPix	adjusts the corner locations with sub-pixel accuracy to maximize the certain cornerness criteria
	CountNonZero	computes the number of nonzero array elements
	Create(MatType, Int32)	Allocates new array data if needed.
	Create(Size, MatType)	Allocates new array data if needed.
	Create(Int32, Int32, MatType)	Allocates new array data if needed.
	CreateHanningWindow	Computes a Hanning window coefficients in two dimensions.
	Cross	Computes a cross-product of two 3-element vectors.
	CvtColor	Converts image from one color space to another
	Dct	performs forward or inverse 1D or 2D Discrete Cosine Transformation
	Depth	Returns the depth of a matrix element.
	Determinant	computes determinant of a square matrix. The input matrix must have CV_32FC1 or CV_64FC1 type and square size.
	Dft	Performs a forward Discrete Fourier transform of 1D or 2D floating-point array.
	Diag(Mat)	Extracts a diagonal from a matrix, or creates a diagonal matrix.
	Diag(MatDiagType)	Single-column matrix that forms a diagonal matrix or index of the diagonal, with the following values:
	Dilate	Dilates an image by using a specific structuring element.
	Dims	the array dimensionality, >= 2
	Dispose	Releases the resources (Inherited from DisposableObject.)
	Dispose(Boolean)	Releases the resources (Overrides DisposableCvObjectDispose(Boolean).)
	DistanceTransform	computes the distance transform map
	Dot	Computes a dot-product of two vectors.
	DrawContours(IEnumerableIEnumerablePoint, Int32, Scalar, Int32, LineType, IEnumerableHierarchyIndex, Int32, NullablePoint)	Draws contours in the image
	DrawContours(InputOutputArray, IEnumerableMat, Int32, Scalar, Int32, LineType, Mat, Int32, NullablePoint)	Draws contours in the image
	Dump	Returns a string that represents each element value of Mat. This method corresponds to std::ostream << Mat
	ElemSize	Returns the matrix element size in bytes.
	ElemSize1	Returns the size of each matrix element channel in bytes.
	Ellipse(RotatedRect, Scalar, Int32, LineType)	Draws simple or thick elliptic arc or fills ellipse sector
	Ellipse(Point, Size, Double, Double, Double, Scalar, Int32, LineType, Int32)	Draws simple or thick elliptic arc or fills ellipse sector
	Empty	Returns true if the array has no elements.
	EmptyClone	Makes a Mat that have the same size, depth and channels as this image
	EqualizeHist	Normalizes the grayscale image brightness and contrast by normalizing its histogram. The source matrix is 8-bit single channel image.
	Equals(Object)	(Inherited from Object.)
	Equals(Double)	operator ==
	Equals(Mat)	operator ==
	Erode	Erodes an image by using a specific structuring element.
	Exp	computes exponent of each matrix element (dst = e**src)
	ExtractChannel	extracts a single channel from src (coi is 0-based index)
	Eye(Size, MatType)	Returns an identity matrix of the specified size and type.
	Eye(Int32, Int32, MatType)	Returns an identity matrix of the specified size and type.
	FillConvexPoly	Fills a convex polygon.
	FillPoly	Fills the area bounded by one or more polygons
	Filter2D	Convolves an image with the kernel
	Finalize	Destructor (Inherited from DisposableObject.)
	FindContours(Mat, OutputArray, ContourRetrieval, ContourChain, NullablePoint)	Finds contours in a binary image. The source is an 8-bit single-channel image. Non-zero pixels are treated as 1’s. Zero pixels remain 0’s, so the image is treated as binary. The function modifies this image while extracting the contours.
	FindContours(Point, HierarchyIndex, ContourRetrieval, ContourChain, NullablePoint)	Finds contours in a binary image. The source is an 8-bit single-channel image. Non-zero pixels are treated as 1’s. Zero pixels remain 0’s, so the image is treated as binary. The function modifies this image while extracting the contours.
	FindContoursAsArray	Finds contours in a binary image. The source is an 8-bit single-channel image. Non-zero pixels are treated as 1’s. Zero pixels remain 0’s, so the image is treated as binary. The function modifies this image while extracting the contours.
	FindContoursAsMat	Finds contours in a binary image. The source is an 8-bit single-channel image. Non-zero pixels are treated as 1’s. Zero pixels remain 0’s, so the image is treated as binary. The function modifies this image while extracting the contours.
	FindNonZero	returns the list of locations of non-zero pixels
	FitEllipse	Fits ellipse to the set of 2D points.
	FitLine2D	Fits line to the set of 2D points using M-estimator algorithm. The input is vector of 2D points.
	FitLine3D	Fits line to the set of 3D points using M-estimator algorithm. The input is vector of 3D points.
	Flip	reverses the order of the rows, columns or both in a matrix
	FloodFill(Point, Scalar)	Fills a connected component with the given color. Input/output 1- or 3-channel, 8-bit, or floating-point image. It is modified by the function unless the FLOODFILL_MASK_ONLY flag is set in the second variant of the function. See the details below.
	FloodFill(InputOutputArray, Point, Scalar)	Fills a connected component with the given color. Input/output 1- or 3-channel, 8-bit, or floating-point image. It is modified by the function unless the FLOODFILL_MASK_ONLY flag is set in the second variant of the function. See the details below.
	FloodFill(Point, Scalar, Rect, NullableScalar, NullableScalar, FloodFillFlag)	Fills a connected component with the given color. Input/output 1- or 3-channel, 8-bit, or floating-point image. It is modified by the function unless the FLOODFILL_MASK_ONLY flag is set in the second variant of the function. See the details below.
	FloodFill(InputOutputArray, Point, Scalar, Rect, NullableScalar, NullableScalar, FloodFillFlag)	Fills a connected component with the given color. Input/output 1- or 3-channel, 8-bit, or floating-point image. It is modified by the function unless the FLOODFILL_MASK_ONLY flag is set in the second variant of the function. See the details below.
	FromImageData	Creates the Mat instance from image data (using cv::imdecode)
	FromStream	Creates the Mat instance from System.IO.Stream
	GaussianBlur	Blurs an image using a Gaussian filter. The input image can have any number of channels, which are processed independently, but the depth should be CV_8U, CV_16U, CV_16S, CV_32F or CV_64F.
	GetT(Int32)	Returns a value to the specified array element.
	GetT(Int32)	Returns a value to the specified array element.
	GetT(Int32, Int32)	Returns a value to the specified array element.
	GetT(Int32, Int32, Int32)	Returns a value to the specified array element.
	GetArray(Int32, Int32)	Get the data of this matrix as array
	GetArray(Int32, Int32, DMatch)	Get the data of this matrix as array
	GetArray(Int32, Int32, DMatch)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point2d)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point2d)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point2f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point2f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point3d)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point3d)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point3f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point3f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point3i)	Get the data of this matrix as array
	GetArray(Int32, Int32, Point3i)	Get the data of this matrix as array
	GetArray(Int32, Int32, Rect)	Get the data of this matrix as array
	GetArray(Int32, Int32, Rect)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec3b)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec3b)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec3d)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec3d)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec4f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec4f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec4i)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec4i)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec6f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Vec6f)	Get the data of this matrix as array
	GetArray(Int32, Int32, Byte)	Get the data of this matrix as array
	GetArray(Int32, Int32, Byte)	Get the data of this matrix as array
	GetArray(Int32, Int32, Double)	Get the data of this matrix as array
	GetArray(Int32, Int32, Double)	Get the data of this matrix as array
	GetArray(Int32, Int32, Int16)	Get the data of this matrix as array
	GetArray(Int32, Int32, Int16)	Get the data of this matrix as array
	GetArray(Int32, Int32, Int32)	Get the data of this matrix as array
	GetArray(Int32, Int32, Int32)	Get the data of this matrix as array
	GetArray(Int32, Int32, Single)	Get the data of this matrix as array
	GetArray(Int32, Int32, Single)	Get the data of this matrix as array
	GetArray(Int32, Int32, UInt16)	Get the data of this matrix as array
	GetArray(Int32, Int32, UInt16)	Get the data of this matrix as array
	GetDefaultNewCameraMatrix	returns the default new camera matrix (by default it is the same as cameraMatrix unless centerPricipalPoint=true)
	GetGenericIndexerT	Gets a type-specific indexer. The indexer has getters/setters to access each matrix element.
	GetHashCode	(Inherited from Object.)
	GetRectSubPix	Retrieves a pixel rectangle from an image with sub-pixel accuracy.
	GetType	(Inherited from Object.)
	GoodFeaturesToTrack	Finds the strong enough corners where the cornerMinEigenVal() or cornerHarris() report the local maxima. Input matrix must be 8-bit or floating-point 32-bit, single-channel image.
	GrabCut	Segments the image using GrabCut algorithm. The input is 8-bit 3-channel image.
	GreaterThan(Double)	operator >
	GreaterThan(Mat)	operator >
	GreaterThanOrEqual(Double)	operator >=
	GreaterThanOrEqual(Mat)	operator >=
	HoughCircles	Finds circles in a grayscale image using a Hough transform. The input matrix must be 8-bit, single-channel and grayscale.
	HoughLines	Finds lines in a binary image using standard Hough transform. The input matrix must be 8-bit, single-channel, binary source image. This image may be modified by the function.
	HoughLinesP	Finds lines segments in a binary image using probabilistic Hough transform.
	Idct	performs inverse 1D or 2D Discrete Cosine Transformation
	Idft	Performs an inverse Discrete Fourier transform of 1D or 2D floating-point array.
	ImDecode	Creates the Mat instance from image data (using cv::imdecode)
	ImEncode(String, ImageEncodingParam)	Encodes an image into a memory buffer.
	ImEncode(String, Int32)	Encodes an image into a memory buffer.
	ImWrite(String, ImageEncodingParam)	Saves an image to a specified file.
	ImWrite(String, Int32)	Saves an image to a specified file.
	InRange(InputArray, InputArray)	set mask elements for those array elements which are within the element-specific bounding box (dst = lowerb <= src && src < upperb)
	InRange(Scalar, Scalar)	set mask elements for those array elements which are within the element-specific bounding box (dst = lowerb <= src && src < upperb)
	InsertChannel	inserts a single channel to dst (coi is 0-based index)
	Inv	Inverses a matrix.
	InvertAffineTransform	Inverts an affine transformation.
	IsContinuous	Reports whether the matrix is continuous or not.
	IsContourConvex	Returns true if the contour is convex. Does not support contours with self-intersection
	IsSubmatrix	Returns whether this matrix is a part of other matrix or not.
	Laplacian	Calculates the Laplacian of an image
	LessThan(Double)	operator <
	LessThan(Mat)	operator <
	LessThanOrEqual(Double)	operator <=
	LessThanOrEqual(Mat)	operator <=
	Line(Point, Point, Scalar, Int32, LineType, Int32)	Draws a line segment connecting two points
	Line(Int32, Int32, Int32, Int32, CvScalar, Int32, LineType, Int32)	Draws a line segment connecting two points
	LocateROI	Locates the matrix header within a parent matrix.
	Log	computes natural logarithm of absolute value of each matrix element: dst = log(abs(src))
	LUT(Byte, Int32)	transforms array of numbers using a lookup table: dst(i)=lut(src(i))
	LUT(InputArray, Int32)	transforms array of numbers using a lookup table: dst(i)=lut(src(i))
	MatchTemplate	Computes the proximity map for the raster template and the image where the template is searched for The input is Image where the search is running; should be 8-bit or 32-bit floating-point.
	Mean	computes mean value of selected array elements
	MeanStdDev	computes mean value and standard deviation of all or selected array elements
	MedianBlur	Smoothes image using median filter. The source image must have 1-, 3- or 4-channel and its depth should be CV_8U , CV_16U or CV_32F.
	MemberwiseClone	(Inherited from Object.)
	MinAreaRect	Finds the minimum area rotated rectangle enclosing a 2D point set. The input is 2D point set, represented by CV_32SC2 or CV_32FC2 matrix.
	MinEnclosingCircle	Finds the minimum area circle enclosing a 2D point set. The input is 2D point set, represented by CV_32SC2 or CV_32FC2 matrix.
	MinMaxIdx(Double, Double)	finds global minimum and maximum array elements and returns their values and their locations
	MinMaxIdx(Int32, Int32)	finds global minimum and maximum array elements and returns their values and their locations
	MinMaxIdx(Double, Double, Int32, Int32, InputArray)	finds global minimum and maximum array elements and returns their values and their locations
	MinMaxLoc(Double, Double)	finds global minimum and maximum array elements and returns their values and their locations
	MinMaxLoc(Point, Point)	finds global minimum and maximum array elements and returns their values and their locations
	MinMaxLoc(Double, Double, Point, Point, InputArray)	finds global minimum and maximum array elements and returns their values and their locations
	Moments	Calculates all of the moments up to the third order of a polygon or rasterized shape. The input is a raster image (single-channel, 8-bit or floating-point 2D array).
	MorphologyEx	Performs advanced morphological transformations
	Mul	Performs an element-wise multiplication or division of the two matrices.
	MulTransposed	multiplies matrix by its transposition from the left or from the right
	Norm	computes norm of the selected array part
	Normalize	scales and shifts array elements so that either the specified norm (alpha) or the minimum (alpha) and maximum (beta) array values get the specified values
	NotEquals(Double)	operator !=
	NotEquals(Mat)	operator !=
	NotifyMemoryPressure	Notifies the allocated size of memory. (Inherited from DisposableObject.)
	Ones(MatType, Int32)	Returns an array of all 1’s of the specified size and type.
	Ones(Size, MatType)	Returns an array of all 1’s of the specified size and type.
	Ones(Int32, Int32, MatType)	Returns an array of all 1’s of the specified size and type.
	PatchNaNs	converts NaN's to the given number
	PerspectiveTransform	performs perspective transformation of each element of multi-channel input matrix
	PointPolygonTest	Checks if the point is inside the contour. Optionally computes the signed distance from the point to the contour boundary.
	Polylines	draws one or more polygonal curves
	PopBack	removes several hyper-planes from bottom of the matrix (Mat.pop_back)
	Pow	raises the input matrix elements to the specified power (b = a**power)
	PreCornerDetect	computes another complex cornerness criteria at each pixel
	Ptr(Int32)	Returns a pointer to the specified matrix row.
	Ptr(Int32)	Returns a pointer to the specified matrix element.
	Ptr(Int32, Int32)	Returns a pointer to the specified matrix element.
	Ptr(Int32, Int32, Int32)	Returns a pointer to the specified matrix element.
	PushBack	Adds elements to the bottom of the matrix. (Mat.push_back)
	PutText	renders text string in the image
	PyrDown	Blurs an image and downsamples it.
	PyrMeanShiftFiltering	Performs initial step of meanshift segmentation of an image. The source matrix is 8-bit, 3-channel image.
	PyrUp	Upsamples an image and then blurs it.
	Randn(InputArray, InputArray)	fills array with normally-distributed random numbers with the specified mean and the standard deviation
	Randn(Scalar, Scalar)	fills array with normally-distributed random numbers with the specified mean and the standard deviation
	RandShuffle	shuffles the input array elements
	Randu(InputArray, InputArray)	fills array with uniformly-distributed random numbers from the range [low, high)
	Randu(Scalar, Scalar)	fills array with uniformly-distributed random numbers from the range [low, high)
	Rectangle(Rect, Scalar, Int32, LineType, Int32)	Draws simple, thick or filled rectangle
	Rectangle(Point, Point, Scalar, Int32, LineType, Int32)	Draws simple, thick or filled rectangle
	Reduce	transforms 2D matrix to 1D row or column vector by taking sum, minimum, maximum or mean value over all the rows
	Release	Releases the resources
	Remap	Applies a generic geometrical transformation to an image.
	Repeat	replicates the input matrix the specified number of times in the horizontal and/or vertical direction
	Reserve	reserves enough space to fit sz hyper-planes
	Reshape(Int32, Int32)	Changes the shape and/or the number of channels of a 2D matrix without copying the data.
	Reshape(Int32, Int32)	Changes the shape and/or the number of channels of a 2D matrix without copying the data.
	Resize(Int64)	resizes matrix to the specified number of hyper-planes
	Resize(Int64, Scalar)	resizes matrix to the specified number of hyper-planes; initializes the newly added elements
	Resize(Size, Double, Double, Interpolation)	Resizes an image.
	RowRange(Range)
	RowRange(Int32, Int32)
	SaveImage(String, ImageEncodingParam)	Saves an image to a specified file.
	SaveImage(String, Int32)	Saves an image to a specified file.
	Scharr	Calculates the first x- or y- image derivative using Scharr operator
	SepFilter2D	Applies separable linear filter to an image
	SetT(Int32, T)	Set a value to the specified array element.
	SetT(Int32, T)	Set a value to the specified array element.
	SetT(Int32, Int32, T)	Set a value to the specified array element.
	SetT(Int32, Int32, Int32, T)	Set a value to the specified array element.
	SetArray(Int32, Int32, DMatch)	Set the specified array data to this matrix
	SetArray(Int32, Int32, DMatch)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point2d)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point2d)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point2f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point2f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point3d)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point3d)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point3f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point3f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point3i)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Point3i)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Rect)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Rect)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec3b)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec3b)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec3d)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec3d)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec4f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec4f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec4i)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec4i)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec6f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Vec6f)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Byte)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Byte)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Double)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Double)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Int16)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Int16)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Int32)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Int32)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Single)	Set the specified array data to this matrix
	SetArray(Int32, Int32, Single)	Set the specified array data to this matrix
	SetArray(Int32, Int32, UInt16)	Set the specified array data to this matrix
	SetArray(Int32, Int32, UInt16)	Set the specified array data to this matrix
	SetIdentity	initializes scaled identity matrix (not necessarily square).
	SetTo(InputArray, InputArray)	Sets all or some of the array elements to the specified value.
	SetTo(Scalar, InputArray)	Sets all or some of the array elements to the specified value.
	Size	Returns a matrix size.
	Size(Int32)	Returns a matrix size.
	Sobel	Calculates the first, second, third or mixed image derivatives using an extended Sobel operator
	Sort	sorts independently each matrix row or each matrix column
	SortIdx	sorts independently each matrix row or each matrix column
	Split	Copies each plane of a multi-channel array to a dedicated array
	Sqrt	computes square root of each matrix element (dst = src**0.5)
	Step
	Step(Int32)
	Step1	Returns a normalized step.
	Step1(Int32)	Returns a normalized step.
	SubMat(Range)
	SubMat(Rect)
	SubMat(Range, Range)
	SubMat(Int32, Int32, Int32, Int32)
	Sum	computes sum of array elements
	T	Transposes a matrix.
	Threshold	Applies a fixed-level threshold to each array element. The input matrix must be single-channel, 8-bit or 32-bit floating point.
	ThrowIfDisposed	If this object is disposed, then ObjectDisposedException is thrown. (Inherited from DisposableObject.)
	ToBytes(String, ImageEncodingParam)	Encodes an image into a memory buffer.
	ToBytes(String, Int32)	Encodes an image into a memory buffer.
	ToCvMat	Creates the CvMat header or clone instance for the matrix.
	ToIplImage	Creates the IplImage clone instance or header for the matrix.
	ToMemoryStream	Converts Mat to System.IO.MemoryStream
	ToString	Returns a string that represents this Mat. (Overrides ObjectToString.)
	Total	Returns the total number of array elements.
	Trace	computes trace of a matrix
	Transform	performs affine transformation of each element of multi-channel input matrix
	Transpose	transposes the matrix
	Type	Returns the type of a matrix element.
	Undistort	corrects lens distortion for the given camera matrix and distortion coefficients
	UndistortPoints	Computes the ideal point coordinates from the observed point coordinates. Input matrix is an observed point coordinates, 1xN or Nx1 2-channel (CV_32FC2 or CV_64FC2).
	WarpAffine	Applies an affine transformation to an image.
	WarpPerspective	Applies a perspective transformation to an image.
	Watershed	Performs a marker-based image segmentation using the watershed algorithm. Input matrix is 8-bit 3-channel image.
	WriteToStream	Writes image data encoded from this Mat to System.IO.Stream
	Zeros(MatType, Int32)	Returns a zero array of the specified size and type.
	Zeros(Size, MatType)	Returns a zero array of the specified size and type.
	Zeros(Int32, Int32, MatType)	Returns a zero array of the specified size and type.

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Operators

	Name	Description
	Addition(Mat, Mat)
	Addition(Mat, Scalar)
	Addition(Scalar, Mat)
	BitwiseAnd(Double, Mat)
	BitwiseAnd(Mat, Mat)
	BitwiseAnd(Mat, Double)
	BitwiseOr(Double, Mat)
	BitwiseOr(Mat, Mat)
	BitwiseOr(Mat, Double)
	Division(Double, Mat)
	Division(Mat, Mat)
	Division(Mat, Double)
	ExclusiveOr(Double, Mat)
	ExclusiveOr(Mat, Mat)
	ExclusiveOr(Mat, Double)
	(Mat to IplImage)	Creates the IplImage clone instance for the matrix.
	(Mat to CvMat)	Creates the CvMat clone instance for the matrix.
	Multiply(Double, Mat)
	Multiply(Mat, Mat)
	Multiply(Mat, Double)
	OnesComplement
	Subtraction(Mat, Mat)
	Subtraction(Mat, Scalar)
	Subtraction(Scalar, Mat)
	UnaryNegation
	UnaryPlus

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Fields

	Name	Description
	dataHandle	Gets or sets a handle which allocates using cvSetData. (Inherited from DisposableObject.)
	ptr	Data pointer (Inherited from DisposableCvObject.)
	SizeOf	sizeof(cv::Mat)

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Extension Methods

	Name	Description
	CopyFrom	Copies pixel data from System.Windows.Media.Imaging.BitmapSource to IplImage instance (Defined by BitmapSourceConverter.)
	ToBitmap	Overloaded. Converts Mat to System.Drawing.Bitmap (Defined by BitmapConverter.)
	ToBitmap(PixelFormat)	Overloaded. Converts Mat to System.Drawing.Bitmap (Defined by BitmapConverter.)
	ToBitmap(Bitmap)	Overloaded. Converts Mat to System.Drawing.Bitmap (Defined by BitmapConverter.)
	ToBitmapSource	Overloaded. Converts Mat to BitmapSource. (Defined by BitmapSourceConverter.)
	ToBitmapSource(Int32, Int32, PixelFormat, BitmapPalette)	Overloaded. Converts Mat to BitmapSource. (Defined by BitmapSourceConverter.)
	ToWriteableBitmap	Overloaded. Converts Mat to WriteableBitmap (dpi=96, BitmapPalette=null) (Defined by WriteableBitmapConverter.)
	ToWriteableBitmap(PixelFormat)	Overloaded. Converts Mat to WriteableBitmap (dpi=96, BitmapPalette=null) (Defined by WriteableBitmapConverter.)
	ToWriteableBitmap(Double, Double, PixelFormat, BitmapPalette)	Overloaded. Converts Mat to WriteableBitmap. The arguments of this method corresponds the consructor of WriteableBitmap. (Defined by WriteableBitmapConverter.)

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Reference

OpenCvSharp.CPlusPlus Namespace