Retrieves contours from the binary image and returns the number of retrieved contours.
Namespace: OpenCvSharp
Assembly: OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
public int FindContours( CvMemStorage storage, out CvSeq<CvPoint> firstContour, int headerSize )
Parameters
- storage
- Type: OpenCvSharpCvMemStorage
Container of the retrieved contours. - firstContour
- Type: OpenCvSharpCvSeqCvPoint
Output parameter, will contain the pointer to the first outer contour. - headerSize
- Type: SystemInt32
Size of the sequence header, >=sizeof(CvChain) if method=CV_CHAIN_CODE, and >=sizeof(CvContour) otherwise.
Return Value
Type: Int32The number of retrieved contours.
See Also