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CvInvokeFindCirclesGrid Method (ImageGray, Byte, Size, CalibCgType, Feature2D)
http://www.emgu.com
Finds centers in the grid of circles

Namespace: Emgu.CV
Assembly: Emgu.CV.World (in Emgu.CV.World.dll) Version: 3.1.0.2282 (3.1.0.2282)
Syntax
public static PointF[] FindCirclesGrid(
	Image<Gray, byte> image,
	Size patternSize,
	CalibCgType flags,
	Feature2D featureDetector
)

Parameters

image
Type: Emgu.CVImageGray, Byte
Source chessboard view
patternSize
Type: System.DrawingSize
The number of inner circle per chessboard row and column
flags
Type: Emgu.CV.CvEnumCalibCgType
Various operation flags
featureDetector
Type: Emgu.CV.Features2DFeature2D
The feature detector. Use a SimpleBlobDetector for default

Return Value

Type: PointF
The center of circles detected if the chess board pattern is found, otherwise null is returned
See Also