Cv2ConvexityDefects Method (InputArray, InputArray, OutputArray)

public static void ConvexityDefects(
	InputArray contour,
	InputArray convexHull,
	OutputArray convexityDefects
)

Public Shared Sub ConvexityDefects ( 
	contour As InputArray,
	convexHull As InputArray,
	convexityDefects As OutputArray
)

public:
static void ConvexityDefects(
	InputArray^ contour, 
	InputArray^ convexHull, 
	OutputArray^ convexityDefects
)

static member ConvexityDefects : 
        contour : InputArray * 
        convexHull : InputArray * 
        convexityDefects : OutputArray -> unit 

Parameters

contour

Type: OpenCvSharpInputArray
Input contour.

convexHull

Type: OpenCvSharpInputArray
Convex hull obtained using convexHull() that should contain indices of the contour points that make the hull.

convexityDefects

Type: OpenCvSharpOutputArray
The output vector of convexity defects. Each convexity defect is represented as 4-element integer vector (a.k.a. cv::Vec4i): (start_index, end_index, farthest_pt_index, fixpt_depth), where indices are 0-based indices in the original contour of the convexity defect beginning, end and the farthest point, and fixpt_depth is fixed-point approximation (with 8 fractional bits) of the distance between the farthest contour point and the hull. That is, to get the floating-point value of the depth will be fixpt_depth/256.0.

Reference