Method Segment

Namespace

OpenCvSharp

Assembly

OpenCvSharp.dll

Segment(out int[][], OutputArray, InputArray, InputArray, InputArray)

Executes segmentation using the Region Growing algorithm.

public virtual int Segment(out int[][] regionsIdx, OutputArray labels, InputArray inputPts, InputArray normals, InputArray nnIdx)

Parameters

regionsIdx int[][]

Index information of all points in each region.

labels OutputArray

The label corresponds to the model number, 0 means it does not belong to any model, range [0, Number of final resultant models obtained].

inputPts InputArray

Original point cloud, support vector<Point3f> and Mat of size Nx3/3xN.

normals InputArray

Normal of each point, support vector<Point3f> and Mat of size Nx3.

nnIdx InputArray

Index information of nearest neighbors of all points. The first nearest neighbor of each point is itself. Support Mat of size NxK. If the information in a row is [0, 2, 1, -5, -1, 4, 7 ... negative number] it will use only non-negative indexes until it meets a negative number or bound of this row i.e. [0, 2, 1].

Returns

int

Number of final resultant regions obtained by segmentation.