/// <summary>
/// 图像处理
/// </summary>
/// <returns>返回8个点位数组</returns>
public double[] Process()
{
double[] coorderate = new double[8];
double hv_RowBegin1; double hv_ColBegin1; double hv_RowEnd1; double hv_ColEnd1; double hv_Nr1; double hv_Nc1; double hv_Dist1;
double hv_RowBegin2; double hv_ColBegin2; double hv_RowEnd2; double hv_ColEnd2; double hv_Nr2; double hv_Nc2; double hv_Dist2;
//图像阈值化，获得region
HRegion hRegion = Ho_image.Threshold((double)LowThreshold, (double)HighThreshold);
//region转化为himage
HImage hImage = hRegion.RegionToBin(255, 0, 512, 512);
//减去ROI以外多余部分
HImage image1 = hImage.ReduceDomain(Region1);
HImage image2 = hImage.ReduceDomain(Region2);
//生成边缘轮廓
HXLDCont edges1 = image1.EdgesSubPix("canny", 1, 5, 5);
HXLDCont edges2 = image2.EdgesSubPix("canny", 1, 5, 5);
//分割轮廓
HXLDCont xldContsplit1 = edges1.SegmentContoursXld("lines_circles", 5, 4, 2);
HXLDCont xldContsplit2 = edges2.SegmentContoursXld("lines_circles", 5, 4, 2);
//根据特征筛选轮廓
HXLDCont xldCont1 = xldContsplit1.SelectContoursXld("contour_length", 100, 99999999, -0.5, 0.5);
HXLDCont xldCont2 = xldContsplit2.SelectContoursXld("contour_length", 100, 99999999, -0.5, 0.5);
//拟合直线
xldCont1.FitLineContourXld("tukey", -1, 0, 5, 2, out hv_RowBegin1, out hv_ColBegin1, out hv_RowEnd1, out hv_ColEnd1, out hv_Nr1, out hv_Nc1, out hv_Dist1);
xldCont2.FitLineContourXld("tukey", -1, 0, 5, 2, out hv_RowBegin2, out hv_ColBegin2, out hv_RowEnd2, out hv_ColEnd2, out hv_Nr2, out hv_Nc2, out hv_Dist2);
coorderate[0] = hv_RowBegin1;
coorderate[1] = hv_ColBegin1;
coorderate[2] = hv_RowEnd1;
coorderate[3] = hv_ColEnd1;
coorderate[4] = hv_RowBegin2;
coorderate[5] = hv_ColBegin2;
coorderate[6] = hv_RowEnd2;
coorderate[7] = hv_ColEnd2;
return(coorderate);
}
private void bFindShape_Click(object sender, EventArgs e)
{
if (this.Image != null && this.Image.IsInitialized() &&
this.EdgesRegion != null && this.EdgesRegion.IsInitialized())
{
if (this.IgnoreRegion != null)
{
this.EdgesRegion = this.EdgesRegion.Difference(this.IgnoreRegion);
}
HImage reductImage = this.image.ReduceDomain(this.EdgesRegion);
this.Edges = reductImage.EdgesSubPix("canny", 3, (double)this.minContrast.Value, (double)this.contrast.Value);
reductImage.Dispose();
this.hWindows.HalconWindow.SetDraw("margin");
this.hWindows.HalconWindow.SetColor("red");
this.hWindows.HalconWindow.DispXld(this.Edges);
}
}