C# Class Emgu.CV.PointCollection

A collection of points

Public Methods

Method	Description
BoundingRectangle ( PointF points ) : Rectangle	Find the bounding rectangle for the specific array of points
ConvexHull ( PointF points, MemStorage storage, CvEnum orientation ) : Seq	Finds convex hull of 2D point set using Sklansky's algorithm
EllipseLeastSquareFitting ( PointF points ) : Ellipse	Fit an ellipse to the points collection
GeneratePointCloud ( Ellipse e, int numberOfPoints ) : System.Drawing.PointF[]	Generate a random point cloud around the ellipse.
Line2DFitting ( PointF points, CvEnum type, PointF &normalizedDirection, PointF &aPointOnLine ) : void	Fit a line to the points collection
MinAreaRect ( PointF points ) : MCvBox2D	Find the bounding rectangle for the specific array of points
MinEnclosingCircle ( PointF points ) : CircleF	Find the minimum enclosing circle for the specific array of points
PolyLine ( PointF points, bool closed ) : Emgu.CV.Structure.LineSegment2DF[]	convert a series of points to LineSegment2D
PolyLine ( Point points, bool closed ) : Emgu.CV.Structure.LineSegment2D[]	convert a series of System.Drawing.Point to LineSegment2D
ReprojectImageTo3D ( Byte>.Image disparity, Matrix Q ) : MCvPoint3D32f[]	Reproject pixels on a 1-channel disparity map to array of 3D points.
ReprojectImageTo3D ( Int16>.Image disparity, Matrix Q ) : MCvPoint3D32f[]	Reproject pixels on a 1-channel disparity map to array of 3D points.

Find the bounding rectangle for the specific array of points

public static BoundingRectangle ( PointF points ) : Rectangle
points	System.Drawing.PointF	The collection of points
return	System.Drawing.Rectangle

Finds convex hull of 2D point set using Sklansky's algorithm

public static ConvexHull ( PointF points, MemStorage storage, CvEnum orientation ) : Seq
points	System.Drawing.PointF	The points to find convex hull from
storage	MemStorage	the storage used by the resulting sequence
orientation	CvEnum	The orientation of the convex hull
return	Seq

Fit an ellipse to the points collection

public static EllipseLeastSquareFitting ( PointF points ) : Ellipse
points	System.Drawing.PointF	The points to be fitted
return	Emgu.CV.Structure.Ellipse

Generate a random point cloud around the ellipse.

public static GeneratePointCloud ( Ellipse e, int numberOfPoints ) : System.Drawing.PointF[]
e	Emgu.CV.Structure.Ellipse	The region where the point cloud will be generated. The axes of e corresponds to std of the random point cloud.
numberOfPoints	int	The number of points to be generated
return	System.Drawing.PointF[]

Fit a line to the points collection

public static Line2DFitting ( PointF points, CvEnum type, PointF &normalizedDirection, PointF &aPointOnLine ) : void
points	System.Drawing.PointF	The points to be fitted
type	CvEnum	The type of the fitting
normalizedDirection	System.Drawing.PointF	The normalized direction of the fitted line
aPointOnLine	System.Drawing.PointF	A point on the fitted line
return	void

Find the bounding rectangle for the specific array of points

public static MinAreaRect ( PointF points ) : MCvBox2D
points	System.Drawing.PointF	The collection of points
return	MCvBox2D

Find the minimum enclosing circle for the specific array of points

public static MinEnclosingCircle ( PointF points ) : CircleF
points	System.Drawing.PointF	The collection of points
return	CircleF

convert a series of points to LineSegment2D

public static PolyLine ( PointF points, bool closed ) : Emgu.CV.Structure.LineSegment2DF[]
points	System.Drawing.PointF	the array of points
closed	bool	if true, the last line segment is defined by the last point of the array and the first point of the array
return	Emgu.CV.Structure.LineSegment2DF[]

convert a series of System.Drawing.Point to LineSegment2D

public static PolyLine ( Point points, bool closed ) : Emgu.CV.Structure.LineSegment2D[]
points	Point	the array of points
closed	bool	if true, the last line segment is defined by the last point of the array and the first point of the array
return	Emgu.CV.Structure.LineSegment2D[]

Reproject pixels on a 1-channel disparity map to array of 3D points.

public static ReprojectImageTo3D ( Byte>.Image disparity, Matrix Q ) : MCvPoint3D32f[]
disparity	Byte>.Image	Disparity map
Q	Matrix	The reprojection 4x4 matrix, can be arbitrary, e.g. the one, computed by cvStereoRectify
return	MCvPoint3D32f[]

Reproject pixels on a 1-channel disparity map to array of 3D points.

public static ReprojectImageTo3D ( Int16>.Image disparity, Matrix Q ) : MCvPoint3D32f[]
disparity	Int16>.Image	Disparity map
Q	Matrix	The reprojection 4x4 matrix, can be arbitrary, e.g. the one, computed by cvStereoRectify
return	MCvPoint3D32f[]