CvArr.FindContours Method (CvMemStorage, CvSeq(CvPoint), Int32, ContourRetrieval)

CvArrFindContours Method (CvMemStorage, CvSeqCvPoint, Int32, ContourRetrieval)

OpenCvSharp Class Library

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,
	ContourRetrieval mode
)

Public Function FindContours ( 
	storage As CvMemStorage,
	<OutAttribute> ByRef firstContour As CvSeq(Of CvPoint),
	headerSize As Integer,
	mode As ContourRetrieval
) As Integer

public:
int FindContours(
	CvMemStorage^ storage, 
	[OutAttribute] CvSeq<CvPoint>^% firstContour, 
	int headerSize, 
	ContourRetrieval mode
)

member FindContours : 
        storage : CvMemStorage * 
        firstContour : CvSeq<CvPoint> byref * 
        headerSize : int * 
        mode : ContourRetrieval -> int

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.
mode: Type: OpenCvSharpContourRetrieval
Retrieval mode.

Return Value

Type: Int32
The number of retrieved contours.

Reference

CvArr Class

FindContours Overload

OpenCvSharp Namespace